Index: stable/10/lib/libstand/bswap.c =================================================================== --- stable/10/lib/libstand/bswap.c (revision 301055) +++ stable/10/lib/libstand/bswap.c (nonexistent) @@ -1,57 +0,0 @@ -/* - * Written by Manuel Bouyer . - * Public domain. - */ - -#include -__FBSDID("$FreeBSD$"); - -#if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$NetBSD: bswap32.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $"; -static char *rcsid = "$NetBSD: bswap64.c,v 1.3 2009/03/16 05:59:21 cegger Exp $"; -#endif - -#include - -#undef bswap32 -#undef bswap64 - -u_int32_t bswap32(u_int32_t x); -u_int64_t bswap64(u_int64_t x); - -u_int32_t -bswap32(u_int32_t x) -{ - return ((x << 24) & 0xff000000 ) | - ((x << 8) & 0x00ff0000 ) | - ((x >> 8) & 0x0000ff00 ) | - ((x >> 24) & 0x000000ff ); -} - -u_int64_t -bswap64(u_int64_t x) -{ -#ifdef __LP64__ - /* - * Assume we have wide enough registers to do it without touching - * memory. - */ - return ( (x << 56) & 0xff00000000000000UL ) | - ( (x << 40) & 0x00ff000000000000UL ) | - ( (x << 24) & 0x0000ff0000000000UL ) | - ( (x << 8) & 0x000000ff00000000UL ) | - ( (x >> 8) & 0x00000000ff000000UL ) | - ( (x >> 24) & 0x0000000000ff0000UL ) | - ( (x >> 40) & 0x000000000000ff00UL ) | - ( (x >> 56) & 0x00000000000000ffUL ); -#else - /* - * Split the operation in two 32bit steps. - */ - u_int32_t tl, th; - - th = bswap32((u_int32_t)(x & 0x00000000ffffffffULL)); - tl = bswap32((u_int32_t)((x >> 32) & 0x00000000ffffffffULL)); - return ((u_int64_t)th << 32) | tl; -#endif -} Property changes on: stable/10/lib/libstand/bswap.c ___________________________________________________________________ Deleted: svn:keywords ## -1 +0,0 ## -FreeBSD=%H \ No newline at end of property Index: stable/10/lib/libstand/Makefile =================================================================== --- stable/10/lib/libstand/Makefile (revision 301055) +++ stable/10/lib/libstand/Makefile (revision 301056) @@ -1,182 +1,182 @@ # $FreeBSD$ # Originally from $NetBSD: Makefile,v 1.21 1997/10/26 22:08:38 lukem Exp $ # # Notes: # - We don't use the libc strerror/sys_errlist because the string table is # quite large. # .include MK_SSP= no LIB= stand NO_PROFILE= NO_PIC= INCS= stand.h MAN= libstand.3 WARNS?= 0 CFLAGS+= -ffreestanding -Wformat CFLAGS+= -I${.CURDIR} .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" CFLAGS+= -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float .endif .if ${MACHINE_CPUARCH} == "i386" CFLAGS.gcc+= -mpreferred-stack-boundary=2 .endif .if ${MACHINE_CPUARCH} == "amd64" CFLAGS+= -fPIC -mno-red-zone .endif .if ${MACHINE} == "pc98" CFLAGS+= -Os .endif .if ${MACHINE_CPUARCH} == "powerpc" CFLAGS+= -msoft-float -D_STANDALONE -DNETIF_DEBUG .endif .if ${MACHINE_CPUARCH} == "arm" CFLAGS+= -msoft-float -D_STANDALONE .endif .if ${MACHINE_CPUARCH} == "mips" CFLAGS+= -G0 -fno-pic -mno-abicalls .endif # standalone components and stuff we have modified locally -SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c bswap.c environment.c getopt.c gets.c \ +SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c environment.c getopt.c gets.c \ globals.c pager.c printf.c strdup.c strerror.c strtol.c strtoul.c random.c \ sbrk.c twiddle.c zalloc.c zalloc_malloc.c # private (pruned) versions of libc string functions SRCS+= strcasecmp.c .PATH: ${.CURDIR}/../libc/net SRCS+= ntoh.c # string functions from libc .PATH: ${.CURDIR}/../libc/string .if ${MACHINE_CPUARCH} != "ia64" SRCS+= bcmp.c bcopy.c bzero.c ffs.c memccpy.c memchr.c memcmp.c memcpy.c \ memmove.c memset.c qdivrem.c strcat.c strchr.c strcmp.c strcpy.c \ strcspn.c strlcat.c strlcpy.c strlen.c strncat.c strncmp.c strncpy.c \ strpbrk.c strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c .endif .if ${MACHINE_CPUARCH} == "arm" .PATH: ${.CURDIR}/../libc/arm/gen .if ${MK_ARM_EABI} == "no" SRCS+= divsi3.S .else # Compiler support functions .PATH: ${.CURDIR}/../../contrib/compiler-rt/lib/ # __clzsi2 and ctzsi2 for various builtin functions SRCS+= clzsi2.c ctzsi2.c # Divide and modulus functions called by the compiler SRCS+= divmoddi4.c divmodsi4.c divdi3.c divsi3.c moddi3.c modsi3.c SRCS+= udivmoddi4.c udivmodsi4.c udivdi3.c udivsi3.c umoddi3.c umodsi3.c .PATH: ${.CURDIR}/../../contrib/compiler-rt/lib/arm/ SRCS+= aeabi_idivmod.S aeabi_ldivmod.S aeabi_uidivmod.S aeabi_uldivmod.S SRCS+= aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S .endif .endif .if ${MACHINE_CPUARCH} == "ia64" .PATH: ${.CURDIR}/../libc/ia64/string SRCS+= bcmp.c bcopy.S bzero.S ffs.S memccpy.c memchr.c memcmp.c memcpy.S \ memmove.S memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c \ strlcat.c strlcpy.c \ strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strsep.c \ strspn.c strstr.c strtok.c swab.c .PATH: ${.CURDIR}/../libc/ia64/gen SRCS+= __divdi3.S __divsi3.S __moddi3.S __modsi3.S SRCS+= __udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S .endif .if ${MACHINE_CPUARCH} == "powerpc" .PATH: ${.CURDIR}/../libc/quad SRCS+= ashldi3.c ashrdi3.c .PATH: ${.CURDIR}/../libc/powerpc/gen SRCS+= syncicache.c .endif # uuid functions from libc .PATH: ${.CURDIR}/../libc/uuid SRCS+= uuid_equal.c uuid_is_nil.c # _setjmp/_longjmp .if ${MACHINE_ARCH} == "powerpc64" .PATH: ${.CURDIR}/powerpc .else .PATH: ${.CURDIR}/${MACHINE_CPUARCH} .endif SRCS+= _setjmp.S # decompression functionality from libbz2 # NOTE: to actually test this functionality after libbz2 upgrade compile # loader(8) with LOADER_BZIP2_SUPPORT defined .PATH: ${.CURDIR}/../../contrib/bzip2 CFLAGS+= -DBZ_NO_STDIO -DBZ_NO_COMPRESS SRCS+= libstand_bzlib_private.h .for file in bzlib.c crctable.c decompress.c huffman.c randtable.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed "s|bzlib_private\.h|libstand_bzlib_private.h|" ${.ALLSRC} > ${.TARGET} .endfor CLEANFILES+= libstand_bzlib_private.h libstand_bzlib_private.h: bzlib_private.h sed -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} # decompression functionality from libz .PATH: ${.CURDIR}/../libz CFLAGS+=-DHAVE_MEMCPY -I${.CURDIR}/../libz SRCS+= adler32.c crc32.c libstand_zutil.h libstand_gzguts.h .for file in infback.c inffast.c inflate.c inftrees.c zutil.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed -e "s|zutil\.h|libstand_zutil.h|" \ -e "s|gzguts\.h|libstand_gzguts.h|" \ ${.ALLSRC} > ${.TARGET} .endfor # depend on stand.h being able to be included multiple times .for file in zutil.h gzguts.h CLEANFILES+= libstand_${file} libstand_${file}: ${file} sed -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} .endfor # io routines SRCS+= closeall.c dev.c ioctl.c nullfs.c stat.c \ fstat.c close.c lseek.c open.c read.c write.c readdir.c # network routines SRCS+= arp.c ether.c inet_ntoa.c in_cksum.c net.c udp.c netif.c rpc.c # network info services: SRCS+= bootp.c rarp.c bootparam.c # boot filesystems SRCS+= ufs.c nfs.c cd9660.c tftp.c gzipfs.c bzipfs.c SRCS+= dosfs.c ext2fs.c SRCS+= splitfs.c .if ${MK_NAND} != "no" SRCS+= nandfs.c .endif .include Index: stable/10/lib/libstand/bootp.c =================================================================== --- stable/10/lib/libstand/bootp.c (revision 301055) +++ stable/10/lib/libstand/bootp.c (revision 301056) @@ -1,749 +1,757 @@ /* $NetBSD: bootp.c,v 1.14 1998/02/16 11:10:54 drochner Exp $ */ /* * Copyright (c) 1992 Regents of the University of California. * All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#) Header: bootp.c,v 1.4 93/09/11 03:13:51 leres Exp (LBL) */ #include __FBSDID("$FreeBSD$"); #include +#include #include #include #include #define BOOTP_DEBUGxx #define SUPPORT_DHCP #define DHCP_ENV_NOVENDOR 1 /* do not parse vendor options */ #define DHCP_ENV_PXE 10 /* assume pxe vendor options */ #define DHCP_ENV_FREEBSD 11 /* assume freebsd vendor options */ /* set DHCP_ENV to one of the values above to export dhcp options to kenv */ #define DHCP_ENV DHCP_ENV_NO_VENDOR #include "stand.h" #include "net.h" #include "netif.h" #include "bootp.h" struct in_addr servip; static n_long nmask, smask; static time_t bot; static char vm_rfc1048[4] = VM_RFC1048; #ifdef BOOTP_VEND_CMU static char vm_cmu[4] = VM_CMU; #endif /* Local forwards */ static ssize_t bootpsend(struct iodesc *, void *, size_t); static ssize_t bootprecv(struct iodesc *, void *, size_t, time_t); static int vend_rfc1048(u_char *, u_int); #ifdef BOOTP_VEND_CMU static void vend_cmu(u_char *); #endif #ifdef DHCP_ENV /* export the dhcp response to kenv */ struct dhcp_opt; static void setenv_(u_char *cp, u_char *ep, struct dhcp_opt *opts); #else #define setenv_(a, b, c) #endif #ifdef SUPPORT_DHCP static char expected_dhcpmsgtype = -1, dhcp_ok; struct in_addr dhcp_serverip; #endif /* Fetch required bootp infomation */ void bootp(sock, flag) int sock; int flag; { struct iodesc *d; struct bootp *bp; struct { u_char header[HEADER_SIZE]; struct bootp wbootp; } wbuf; struct { u_char header[HEADER_SIZE]; struct bootp rbootp; } rbuf; #ifdef BOOTP_DEBUG if (debug) printf("bootp: socket=%d\n", sock); #endif if (!bot) bot = getsecs(); if (!(d = socktodesc(sock))) { printf("bootp: bad socket. %d\n", sock); return; } #ifdef BOOTP_DEBUG if (debug) printf("bootp: d=%lx\n", (long)d); #endif bp = &wbuf.wbootp; bzero(bp, sizeof(*bp)); bp->bp_op = BOOTREQUEST; bp->bp_htype = 1; /* 10Mb Ethernet (48 bits) */ bp->bp_hlen = 6; bp->bp_xid = htonl(d->xid); MACPY(d->myea, bp->bp_chaddr); strncpy(bp->bp_file, bootfile, sizeof(bp->bp_file)); bcopy(vm_rfc1048, bp->bp_vend, sizeof(vm_rfc1048)); #ifdef SUPPORT_DHCP bp->bp_vend[4] = TAG_DHCP_MSGTYPE; bp->bp_vend[5] = 1; bp->bp_vend[6] = DHCPDISCOVER; /* * If we are booting from PXE, we want to send the string * 'PXEClient' to the DHCP server so you have the option of * only responding to PXE aware dhcp requests. */ if (flag & BOOTP_PXE) { bp->bp_vend[7] = TAG_CLASSID; bp->bp_vend[8] = 9; bcopy("PXEClient", &bp->bp_vend[9], 9); bp->bp_vend[18] = TAG_END; } else bp->bp_vend[7] = TAG_END; #else bp->bp_vend[4] = TAG_END; #endif d->myip.s_addr = INADDR_ANY; d->myport = htons(IPPORT_BOOTPC); d->destip.s_addr = INADDR_BROADCAST; d->destport = htons(IPPORT_BOOTPS); #ifdef SUPPORT_DHCP expected_dhcpmsgtype = DHCPOFFER; dhcp_ok = 0; #endif if(sendrecv(d, bootpsend, bp, sizeof(*bp), bootprecv, &rbuf.rbootp, sizeof(rbuf.rbootp)) == -1) { printf("bootp: no reply\n"); return; } #ifdef SUPPORT_DHCP if(dhcp_ok) { u_int32_t leasetime; bp->bp_vend[6] = DHCPREQUEST; bp->bp_vend[7] = TAG_REQ_ADDR; bp->bp_vend[8] = 4; bcopy(&rbuf.rbootp.bp_yiaddr, &bp->bp_vend[9], 4); bp->bp_vend[13] = TAG_SERVERID; bp->bp_vend[14] = 4; bcopy(&dhcp_serverip.s_addr, &bp->bp_vend[15], 4); bp->bp_vend[19] = TAG_LEASETIME; bp->bp_vend[20] = 4; leasetime = htonl(300); bcopy(&leasetime, &bp->bp_vend[21], 4); if (flag & BOOTP_PXE) { bp->bp_vend[25] = TAG_CLASSID; bp->bp_vend[26] = 9; bcopy("PXEClient", &bp->bp_vend[27], 9); bp->bp_vend[36] = TAG_END; } else bp->bp_vend[25] = TAG_END; expected_dhcpmsgtype = DHCPACK; if(sendrecv(d, bootpsend, bp, sizeof(*bp), bootprecv, &rbuf.rbootp, sizeof(rbuf.rbootp)) == -1) { printf("DHCPREQUEST failed\n"); return; } } #endif myip = d->myip = rbuf.rbootp.bp_yiaddr; servip = rbuf.rbootp.bp_siaddr; if(rootip.s_addr == INADDR_ANY) rootip = servip; bcopy(rbuf.rbootp.bp_file, bootfile, sizeof(bootfile)); bootfile[sizeof(bootfile) - 1] = '\0'; if (IN_CLASSA(ntohl(myip.s_addr))) nmask = htonl(IN_CLASSA_NET); else if (IN_CLASSB(ntohl(myip.s_addr))) nmask = htonl(IN_CLASSB_NET); else nmask = htonl(IN_CLASSC_NET); #ifdef BOOTP_DEBUG if (debug) printf("'native netmask' is %s\n", intoa(nmask)); #endif /* Check subnet mask against net mask; toss if bogus */ if ((nmask & smask) != nmask) { #ifdef BOOTP_DEBUG if (debug) printf("subnet mask (%s) bad\n", intoa(smask)); #endif smask = 0; } /* Get subnet (or natural net) mask */ netmask = nmask; if (smask) netmask = smask; #ifdef BOOTP_DEBUG if (debug) printf("mask: %s\n", intoa(netmask)); #endif /* We need a gateway if root is on a different net */ if (!SAMENET(myip, rootip, netmask)) { #ifdef BOOTP_DEBUG if (debug) printf("need gateway for root ip\n"); #endif } /* Toss gateway if on a different net */ if (!SAMENET(myip, gateip, netmask)) { #ifdef BOOTP_DEBUG if (debug) printf("gateway ip (%s) bad\n", inet_ntoa(gateip)); #endif gateip.s_addr = 0; } /* Bump xid so next request will be unique. */ ++d->xid; } /* Transmit a bootp request */ static ssize_t bootpsend(d, pkt, len) struct iodesc *d; void *pkt; size_t len; { struct bootp *bp; #ifdef BOOTP_DEBUG if (debug) printf("bootpsend: d=%lx called.\n", (long)d); #endif bp = pkt; bp->bp_secs = htons((u_short)(getsecs() - bot)); #ifdef BOOTP_DEBUG if (debug) printf("bootpsend: calling sendudp\n"); #endif return (sendudp(d, pkt, len)); } static ssize_t bootprecv(d, pkt, len, tleft) struct iodesc *d; void *pkt; size_t len; time_t tleft; { ssize_t n; struct bootp *bp; #ifdef BOOTP_DEBUGx if (debug) printf("bootp_recvoffer: called\n"); #endif n = readudp(d, pkt, len, tleft); if (n == -1 || n < sizeof(struct bootp) - BOOTP_VENDSIZE) goto bad; bp = (struct bootp *)pkt; #ifdef BOOTP_DEBUG if (debug) printf("bootprecv: checked. bp = 0x%lx, n = %d\n", (long)bp, (int)n); #endif if (bp->bp_xid != htonl(d->xid)) { #ifdef BOOTP_DEBUG if (debug) { printf("bootprecv: expected xid 0x%lx, got 0x%x\n", d->xid, ntohl(bp->bp_xid)); } #endif goto bad; } #ifdef BOOTP_DEBUG if (debug) printf("bootprecv: got one!\n"); #endif /* Suck out vendor info */ if (bcmp(vm_rfc1048, bp->bp_vend, sizeof(vm_rfc1048)) == 0) { if(vend_rfc1048(bp->bp_vend, sizeof(bp->bp_vend)) != 0) goto bad; } #ifdef BOOTP_VEND_CMU else if (bcmp(vm_cmu, bp->bp_vend, sizeof(vm_cmu)) == 0) vend_cmu(bp->bp_vend); #endif else printf("bootprecv: unknown vendor 0x%lx\n", (long)bp->bp_vend); return(n); bad: errno = 0; return (-1); } static int vend_rfc1048(cp, len) u_char *cp; u_int len; { u_char *ep; int size; u_char tag; const char *val; #ifdef BOOTP_DEBUG if (debug) printf("vend_rfc1048 bootp info. len=%d\n", len); #endif ep = cp + len; /* Step over magic cookie */ cp += sizeof(int); setenv_(cp, ep, NULL); while (cp < ep) { tag = *cp++; size = *cp++; if (tag == TAG_END) break; if (tag == TAG_SUBNET_MASK) { bcopy(cp, &smask, sizeof(smask)); } if (tag == TAG_GATEWAY) { bcopy(cp, &gateip.s_addr, sizeof(gateip.s_addr)); } if (tag == TAG_SWAPSERVER) { /* let it override bp_siaddr */ bcopy(cp, &rootip.s_addr, sizeof(rootip.s_addr)); } if (tag == TAG_ROOTPATH) { if ((val = getenv("dhcp.root-path")) == NULL) val = (const char *)cp; strlcpy(rootpath, val, sizeof(rootpath)); } if (tag == TAG_HOSTNAME) { if ((val = getenv("dhcp.host-name")) == NULL) val = (const char *)cp; strlcpy(hostname, val, sizeof(hostname)); + } + if (tag == TAG_INTF_MTU) { + if ((val = getenv("dhcp.interface-mtu")) != NULL) { + intf_mtu = (u_int)strtoul(val, NULL, 0); + } else { + intf_mtu = be16dec(cp); + } } #ifdef SUPPORT_DHCP if (tag == TAG_DHCP_MSGTYPE) { if(*cp != expected_dhcpmsgtype) return(-1); dhcp_ok = 1; } if (tag == TAG_SERVERID) { bcopy(cp, &dhcp_serverip.s_addr, sizeof(dhcp_serverip.s_addr)); } #endif cp += size; } return(0); } #ifdef BOOTP_VEND_CMU static void vend_cmu(cp) u_char *cp; { struct cmu_vend *vp; #ifdef BOOTP_DEBUG if (debug) printf("vend_cmu bootp info.\n"); #endif vp = (struct cmu_vend *)cp; if (vp->v_smask.s_addr != 0) { smask = vp->v_smask.s_addr; } if (vp->v_dgate.s_addr != 0) { gateip = vp->v_dgate; } } #endif #ifdef DHCP_ENV /* * Parse DHCP options and store them into kenv variables. * Original code from Danny Braniss, modifications by Luigi Rizzo. * * The parser is driven by tables which specify the type and name of * each dhcp option and how it appears in kenv. * The first entry in the list contains the prefix used to set the kenv * name (including the . if needed), the last entry must have a 0 tag. * Entries do not need to be sorted though it helps for readability. * * Certain vendor-specific tables can be enabled according to DHCP_ENV. * Set it to 0 if you don't want any. */ enum opt_fmt { __NONE = 0, __8 = 1, __16 = 2, __32 = 4, /* Unsigned fields, value=size */ __IP, /* IPv4 address */ __TXT, /* C string */ __BYTES, /* byte sequence, printed %02x */ __INDIR, /* name=value */ __ILIST, /* name=value;name=value ... */ __VE, /* vendor specific, recurse */ }; struct dhcp_opt { uint8_t tag; uint8_t fmt; const char *desc; }; static struct dhcp_opt vndr_opt[] = { /* Vendor Specific Options */ #if DHCP_ENV == DHCP_ENV_FREEBSD /* FreeBSD table in the original code */ {0, 0, "FreeBSD"}, /* prefix */ {1, __TXT, "kernel"}, {2, __TXT, "kernelname"}, {3, __TXT, "kernel_options"}, {4, __IP, "usr-ip"}, {5, __TXT, "conf-path"}, {6, __TXT, "rc.conf0"}, {7, __TXT, "rc.conf1"}, {8, __TXT, "rc.conf2"}, {9, __TXT, "rc.conf3"}, {10, __TXT, "rc.conf4"}, {11, __TXT, "rc.conf5"}, {12, __TXT, "rc.conf6"}, {13, __TXT, "rc.conf7"}, {14, __TXT, "rc.conf8"}, {15, __TXT, "rc.conf9"}, {20, __TXT, "boot.nfsroot.options"}, {245, __INDIR, ""}, {246, __INDIR, ""}, {247, __INDIR, ""}, {248, __INDIR, ""}, {249, __INDIR, ""}, {250, __INDIR, ""}, {251, __INDIR, ""}, {252, __INDIR, ""}, {253, __INDIR, ""}, {254, __INDIR, ""}, #elif DHCP_ENV == DHCP_ENV_PXE /* some pxe options, RFC4578 */ {0, 0, "pxe"}, /* prefix */ {93, __16, "system-architecture"}, {94, __BYTES, "network-interface"}, {97, __BYTES, "machine-identifier"}, #else /* default (empty) table */ {0, 0, "dhcp.vendor."}, /* prefix */ #endif {0, __TXT, "%soption-%d"} }; static struct dhcp_opt dhcp_opt[] = { /* DHCP Option names, formats and codes, from RFC2132. */ {0, 0, "dhcp."}, // prefix {1, __IP, "subnet-mask"}, {2, __32, "time-offset"}, /* this is signed */ {3, __IP, "routers"}, {4, __IP, "time-servers"}, {5, __IP, "ien116-name-servers"}, {6, __IP, "domain-name-servers"}, {7, __IP, "log-servers"}, {8, __IP, "cookie-servers"}, {9, __IP, "lpr-servers"}, {10, __IP, "impress-servers"}, {11, __IP, "resource-location-servers"}, {12, __TXT, "host-name"}, {13, __16, "boot-size"}, {14, __TXT, "merit-dump"}, {15, __TXT, "domain-name"}, {16, __IP, "swap-server"}, {17, __TXT, "root-path"}, {18, __TXT, "extensions-path"}, {19, __8, "ip-forwarding"}, {20, __8, "non-local-source-routing"}, {21, __IP, "policy-filter"}, {22, __16, "max-dgram-reassembly"}, {23, __8, "default-ip-ttl"}, {24, __32, "path-mtu-aging-timeout"}, {25, __16, "path-mtu-plateau-table"}, {26, __16, "interface-mtu"}, {27, __8, "all-subnets-local"}, {28, __IP, "broadcast-address"}, {29, __8, "perform-mask-discovery"}, {30, __8, "mask-supplier"}, {31, __8, "perform-router-discovery"}, {32, __IP, "router-solicitation-address"}, {33, __IP, "static-routes"}, {34, __8, "trailer-encapsulation"}, {35, __32, "arp-cache-timeout"}, {36, __8, "ieee802-3-encapsulation"}, {37, __8, "default-tcp-ttl"}, {38, __32, "tcp-keepalive-interval"}, {39, __8, "tcp-keepalive-garbage"}, {40, __TXT, "nis-domain"}, {41, __IP, "nis-servers"}, {42, __IP, "ntp-servers"}, {43, __VE, "vendor-encapsulated-options"}, {44, __IP, "netbios-name-servers"}, {45, __IP, "netbios-dd-server"}, {46, __8, "netbios-node-type"}, {47, __TXT, "netbios-scope"}, {48, __IP, "x-font-servers"}, {49, __IP, "x-display-managers"}, {50, __IP, "dhcp-requested-address"}, {51, __32, "dhcp-lease-time"}, {52, __8, "dhcp-option-overload"}, {53, __8, "dhcp-message-type"}, {54, __IP, "dhcp-server-identifier"}, {55, __8, "dhcp-parameter-request-list"}, {56, __TXT, "dhcp-message"}, {57, __16, "dhcp-max-message-size"}, {58, __32, "dhcp-renewal-time"}, {59, __32, "dhcp-rebinding-time"}, {60, __TXT, "vendor-class-identifier"}, {61, __TXT, "dhcp-client-identifier"}, {64, __TXT, "nisplus-domain"}, {65, __IP, "nisplus-servers"}, {66, __TXT, "tftp-server-name"}, {67, __TXT, "bootfile-name"}, {68, __IP, "mobile-ip-home-agent"}, {69, __IP, "smtp-server"}, {70, __IP, "pop-server"}, {71, __IP, "nntp-server"}, {72, __IP, "www-server"}, {73, __IP, "finger-server"}, {74, __IP, "irc-server"}, {75, __IP, "streettalk-server"}, {76, __IP, "streettalk-directory-assistance-server"}, {77, __TXT, "user-class"}, {85, __IP, "nds-servers"}, {86, __TXT, "nds-tree-name"}, {87, __TXT, "nds-context"}, {210, __TXT, "authenticate"}, /* use the following entries for arbitrary variables */ {246, __ILIST, ""}, {247, __ILIST, ""}, {248, __ILIST, ""}, {249, __ILIST, ""}, {250, __INDIR, ""}, {251, __INDIR, ""}, {252, __INDIR, ""}, {253, __INDIR, ""}, {254, __INDIR, ""}, {0, __TXT, "%soption-%d"} }; /* * parse a dhcp response, set environment variables translating options * names and values according to the tables above. Also set dhcp.tags * to the list of selected tags. */ static void setenv_(u_char *cp, u_char *ep, struct dhcp_opt *opts) { u_char *ncp; u_char tag; char tags[512], *tp; /* the list of tags */ #define FLD_SEP ',' /* separator in list of elements */ ncp = cp; tp = tags; if (opts == NULL) opts = dhcp_opt; while (ncp < ep) { unsigned int size; /* option size */ char *vp, *endv, buf[256]; /* the value buffer */ struct dhcp_opt *op; tag = *ncp++; /* extract tag and size */ size = *ncp++; cp = ncp; /* current payload */ ncp += size; /* point to the next option */ if (tag == TAG_END) break; if (tag == 0) continue; for (op = opts+1; op->tag && op->tag != tag; op++) ; /* if not found we end up on the default entry */ /* * Copy data into the buffer. libstand does not have snprintf so we * need to be careful with sprintf(). With strings, the source is * always <256 char so shorter than the buffer so we are safe; with * other arguments, the longest string is inet_ntoa which is 16 bytes * so we make sure to have always enough room in the string before * trying an sprint. */ vp = buf; *vp = '\0'; endv = buf + sizeof(buf) - 1 - 16; /* last valid write position */ switch(op->fmt) { case __NONE: break; /* should not happen */ case __VE: /* recurse, vendor specific */ setenv_(cp, cp+size, vndr_opt); break; case __IP: /* ip address */ for (; size > 0 && vp < endv; size -= 4, cp += 4) { struct in_addr in_ip; /* ip addresses */ if (vp != buf) *vp++ = FLD_SEP; bcopy(cp, &in_ip.s_addr, sizeof(in_ip.s_addr)); sprintf(vp, "%s", inet_ntoa(in_ip)); vp += strlen(vp); } break; case __BYTES: /* opaque byte string */ for (; size > 0 && vp < endv; size -= 1, cp += 1) { sprintf(vp, "%02x", *cp); vp += strlen(vp); } break; case __TXT: bcopy(cp, buf, size); /* cannot overflow */ buf[size] = 0; break; case __32: case __16: case __8: /* op->fmt is also the length of each field */ for (; size > 0 && vp < endv; size -= op->fmt, cp += op->fmt) { uint32_t v; if (op->fmt == __32) v = (cp[0]<<24) + (cp[1]<<16) + (cp[2]<<8) + cp[3]; else if (op->fmt == __16) v = (cp[0]<<8) + cp[1]; else v = cp[0]; if (vp != buf) *vp++ = FLD_SEP; sprintf(vp, "%u", v); vp += strlen(vp); } break; case __INDIR: /* name=value */ case __ILIST: /* name=value;name=value... */ bcopy(cp, buf, size); /* cannot overflow */ buf[size] = '\0'; for (endv = buf; endv; endv = vp) { u_char *s = NULL; /* semicolon ? */ /* skip leading whitespace */ while (*endv && strchr(" \t\n\r", *endv)) endv++; vp = strchr(endv, '='); /* find name=value separator */ if (!vp) break; *vp++ = 0; if (op->fmt == __ILIST && (s = strchr(vp, ';'))) *s++ = '\0'; setenv(endv, vp, 1); vp = s; /* prepare for next round */ } buf[0] = '\0'; /* option already done */ } if (tp - tags < sizeof(tags) - 5) { /* add tag to the list */ if (tp != tags) *tp++ = FLD_SEP; sprintf(tp, "%d", tag); tp += strlen(tp); } if (buf[0]) { char env[128]; /* the string name */ if (op->tag == 0) sprintf(env, op->desc, opts[0].desc, tag); else sprintf(env, "%s%s", opts[0].desc, op->desc); /* * Do not replace existing values in the environment, so that * locally-obtained values can override server-provided values. */ setenv(env, buf, 0); } } if (tp != tags) { char env[128]; /* the string name */ sprintf(env, "%stags", opts[0].desc); setenv(env, tags, 1); } } #endif /* additional dhcp */ Index: stable/10/lib/libstand/bootp.h =================================================================== --- stable/10/lib/libstand/bootp.h (revision 301055) +++ stable/10/lib/libstand/bootp.h (revision 301056) @@ -1,145 +1,146 @@ /* $NetBSD: bootp.h,v 1.4 1997/09/06 13:55:57 drochner Exp $ */ /* * Bootstrap Protocol (BOOTP). RFC951 and RFC1048. * * This file specifies the "implementation-independent" BOOTP protocol * information which is common to both client and server. * * Copyright 1988 by Carnegie Mellon. * * Permission to use, copy, modify, and distribute this program for any * purpose and without fee is hereby granted, provided that this copyright * and permission notice appear on all copies and supporting documentation, * the name of Carnegie Mellon not be used in advertising or publicity * pertaining to distribution of the program without specific prior * permission, and notice be given in supporting documentation that copying * and distribution is by permission of Carnegie Mellon and Stanford * University. Carnegie Mellon makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * $FreeBSD$ */ struct bootp { unsigned char bp_op; /* packet opcode type */ unsigned char bp_htype; /* hardware addr type */ unsigned char bp_hlen; /* hardware addr length */ unsigned char bp_hops; /* gateway hops */ unsigned int bp_xid; /* transaction ID */ unsigned short bp_secs; /* seconds since boot began */ unsigned short bp_flags; struct in_addr bp_ciaddr; /* client IP address */ struct in_addr bp_yiaddr; /* 'your' IP address */ struct in_addr bp_siaddr; /* server IP address */ struct in_addr bp_giaddr; /* gateway IP address */ unsigned char bp_chaddr[16]; /* client hardware address */ unsigned char bp_sname[64]; /* server host name */ unsigned char bp_file[128]; /* boot file name */ #ifdef SUPPORT_DHCP #define BOOTP_VENDSIZE 312 #else #define BOOTP_VENDSIZE 64 #endif unsigned char bp_vend[BOOTP_VENDSIZE]; /* vendor-specific area */ }; /* * UDP port numbers, server and client. */ #define IPPORT_BOOTPS 67 #define IPPORT_BOOTPC 68 #define BOOTREPLY 2 #define BOOTREQUEST 1 /* * Vendor magic cookie (v_magic) for CMU */ #define VM_CMU "CMU" /* * Vendor magic cookie (v_magic) for RFC1048 */ #define VM_RFC1048 { 99, 130, 83, 99 } /* * RFC1048 tag values used to specify what information is being supplied in * the vendor field of the packet. */ #define TAG_PAD ((unsigned char) 0) #define TAG_SUBNET_MASK ((unsigned char) 1) #define TAG_TIME_OFFSET ((unsigned char) 2) #define TAG_GATEWAY ((unsigned char) 3) #define TAG_TIME_SERVER ((unsigned char) 4) #define TAG_NAME_SERVER ((unsigned char) 5) #define TAG_DOMAIN_SERVER ((unsigned char) 6) #define TAG_LOG_SERVER ((unsigned char) 7) #define TAG_COOKIE_SERVER ((unsigned char) 8) #define TAG_LPR_SERVER ((unsigned char) 9) #define TAG_IMPRESS_SERVER ((unsigned char) 10) #define TAG_RLP_SERVER ((unsigned char) 11) #define TAG_HOSTNAME ((unsigned char) 12) #define TAG_BOOTSIZE ((unsigned char) 13) #define TAG_DUMPFILE ((unsigned char) 14) #define TAG_DOMAINNAME ((unsigned char) 15) #define TAG_SWAPSERVER ((unsigned char) 16) #define TAG_ROOTPATH ((unsigned char) 17) +#define TAG_INTF_MTU ((unsigned char) 26) #ifdef SUPPORT_DHCP #define TAG_REQ_ADDR ((unsigned char) 50) #define TAG_LEASETIME ((unsigned char) 51) #define TAG_OVERLOAD ((unsigned char) 52) #define TAG_DHCP_MSGTYPE ((unsigned char) 53) #define TAG_SERVERID ((unsigned char) 54) #define TAG_PARAM_REQ ((unsigned char) 55) #define TAG_MSG ((unsigned char) 56) #define TAG_MAXSIZE ((unsigned char) 57) #define TAG_T1 ((unsigned char) 58) #define TAG_T2 ((unsigned char) 59) #define TAG_CLASSID ((unsigned char) 60) #define TAG_CLIENTID ((unsigned char) 61) #endif #define TAG_END ((unsigned char) 255) #ifdef SUPPORT_DHCP #define DHCPDISCOVER 1 #define DHCPOFFER 2 #define DHCPREQUEST 3 #define DHCPDECLINE 4 #define DHCPACK 5 #define DHCPNAK 6 #define DHCPRELEASE 7 #endif /* * bootp flags */ #define BOOTP_NONE 0x0000 /* No flags */ #define BOOTP_PXE 0x0001 /* Booting from PXE. */ /* * "vendor" data permitted for CMU bootp clients. */ struct cmu_vend { unsigned char v_magic[4]; /* magic number */ unsigned int v_flags; /* flags/opcodes, etc. */ struct in_addr v_smask; /* Subnet mask */ struct in_addr v_dgate; /* Default gateway */ struct in_addr v_dns1, v_dns2; /* Domain name servers */ struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */ struct in_addr v_ts1, v_ts2; /* Time servers */ unsigned char v_unused[25]; /* currently unused */ }; /* v_flags values */ #define VF_SMASK 1 /* Subnet mask field contains valid data */ Index: stable/10/lib/libstand/globals.c =================================================================== --- stable/10/lib/libstand/globals.c (revision 301055) +++ stable/10/lib/libstand/globals.c (revision 301056) @@ -1,36 +1,37 @@ /* $NetBSD: globals.c,v 1.3 1995/09/18 21:19:27 pk Exp $ */ /* * globals.c: * * global variables should be separate, so nothing else * must be included extraneously. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include "stand.h" #include "net.h" u_char bcea[6] = BA; /* broadcast ethernet address */ char rootpath[FNAME_SIZE] = "/"; /* root mount path */ char bootfile[FNAME_SIZE]; /* bootp says to boot this */ char hostname[FNAME_SIZE]; /* our hostname */ int hostnamelen; char domainname[FNAME_SIZE]; /* our DNS domain */ int domainnamelen; char ifname[IFNAME_SIZE]; /* name of interface (e.g. "le0") */ struct in_addr myip; /* my ip address */ struct in_addr nameip; /* DNS server ip address */ struct in_addr rootip; /* root ip address */ struct in_addr swapip; /* swap ip address */ struct in_addr gateip; /* swap ip address */ n_long netmask = 0xffffff00; /* subnet or net mask */ +u_int intf_mtu; /* interface mtu from bootp/dhcp */ int errno; /* our old friend */ Index: stable/10/lib/libstand/net.h =================================================================== --- stable/10/lib/libstand/net.h (revision 301055) +++ stable/10/lib/libstand/net.h (revision 301056) @@ -1,121 +1,122 @@ /* $NetBSD: net.h,v 1.10 1995/10/20 00:46:30 cgd Exp $ */ /* * Copyright (c) 1993 Adam Glass * Copyright (c) 1992 Regents of the University of California. * All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _KERNEL /* XXX - see */ #undef __IPADDR #define __IPADDR(x) htonl((u_int32_t)(x)) #endif #include "iodesc.h" #define BA { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } /* Returns true if n_long's on the same net */ #define SAMENET(a1, a2, m) ((a1.s_addr & m) == (a2.s_addr & m)) #define MACPY(s, d) bcopy((char *)s, (char *)d, 6) #define MAXTMO 120 /* seconds */ #define MINTMO 2 /* seconds */ #define FNAME_SIZE 128 #define IFNAME_SIZE 16 #define RECV_SIZE 1536 /* XXX delete this */ /* * How much room to leave for headers: * 14: struct ether_header * 20: struct ip * 8: struct udphdr * That's 42 but let's pad it out to 48 bytes. */ #define ETHER_SIZE 14 #define HEADER_SIZE 48 extern u_char bcea[6]; extern char rootpath[FNAME_SIZE]; extern char bootfile[FNAME_SIZE]; extern char hostname[FNAME_SIZE]; extern int hostnamelen; extern char domainname[FNAME_SIZE]; extern int domainnamelen; extern char ifname[IFNAME_SIZE]; /* All of these are in network order. */ extern struct in_addr myip; extern struct in_addr rootip; extern struct in_addr swapip; extern struct in_addr gateip; extern struct in_addr nameip; extern n_long netmask; +extern u_int intf_mtu; extern int debug; /* defined in the machdep sources */ extern struct iodesc sockets[SOPEN_MAX]; /* ARP/RevARP functions: */ u_char *arpwhohas(struct iodesc *, struct in_addr); void arp_reply(struct iodesc *, void *); int rarp_getipaddress(int); /* Link functions: */ ssize_t sendether(struct iodesc *d, void *pkt, size_t len, u_char *dea, int etype); ssize_t readether(struct iodesc *d, void *pkt, size_t len, time_t tleft, u_int16_t *etype); ssize_t sendudp(struct iodesc *, void *, size_t); ssize_t readudp(struct iodesc *, void *, size_t, time_t); ssize_t sendrecv(struct iodesc *, ssize_t (*)(struct iodesc *, void *, size_t), void *, size_t, ssize_t (*)(struct iodesc *, void *, size_t, time_t), void *, size_t); /* bootp/DHCP */ void bootp(int, int); /* Utilities: */ char *ether_sprintf(u_char *); int in_cksum(void *, int); char *inet_ntoa(struct in_addr); char *intoa(n_long); /* similar to inet_ntoa */ n_long inet_addr(char *); /* Machine-dependent functions: */ time_t getsecs(void); Index: stable/10/lib/libstand/stand.h =================================================================== --- stable/10/lib/libstand/stand.h (revision 301055) +++ stable/10/lib/libstand/stand.h (revision 301056) @@ -1,406 +1,401 @@ /* * Copyright (c) 1998 Michael Smith. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ * From $NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner Exp $ */ /*- * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)stand.h 8.1 (Berkeley) 6/11/93 */ #ifndef STAND_H #define STAND_H #include #include #include #include /* this header intentionally exports NULL from */ #include #define CHK(fmt, args...) printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args) #define PCHK(fmt, args...) {printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args); getchar();} /* Avoid unwanted userlandish components */ #define _KERNEL #include #undef _KERNEL /* special stand error codes */ #define EADAPT (ELAST+1) /* bad adaptor */ #define ECTLR (ELAST+2) /* bad controller */ #define EUNIT (ELAST+3) /* bad unit */ #define ESLICE (ELAST+4) /* bad slice */ #define EPART (ELAST+5) /* bad partition */ #define ERDLAB (ELAST+6) /* can't read disk label */ #define EUNLAB (ELAST+7) /* unlabeled disk */ #define EOFFSET (ELAST+8) /* relative seek not supported */ #define ESALAST (ELAST+8) /* */ struct open_file; /* * This structure is used to define file system operations in a file system * independent way. * * XXX note that filesystem providers should export a pointer to their fs_ops * struct, so that consumers can reference this and thus include the * filesystems that they require. */ struct fs_ops { const char *fs_name; int (*fo_open)(const char *path, struct open_file *f); int (*fo_close)(struct open_file *f); int (*fo_read)(struct open_file *f, void *buf, size_t size, size_t *resid); int (*fo_write)(struct open_file *f, void *buf, size_t size, size_t *resid); off_t (*fo_seek)(struct open_file *f, off_t offset, int where); int (*fo_stat)(struct open_file *f, struct stat *sb); int (*fo_readdir)(struct open_file *f, struct dirent *d); }; /* * libstand-supplied filesystems */ extern struct fs_ops ufs_fsops; extern struct fs_ops tftp_fsops; extern struct fs_ops nfs_fsops; extern struct fs_ops cd9660_fsops; extern struct fs_ops nandfs_fsops; extern struct fs_ops gzipfs_fsops; extern struct fs_ops bzipfs_fsops; extern struct fs_ops dosfs_fsops; extern struct fs_ops ext2fs_fsops; extern struct fs_ops splitfs_fsops; /* where values for lseek(2) */ #define SEEK_SET 0 /* set file offset to offset */ #define SEEK_CUR 1 /* set file offset to current plus offset */ #define SEEK_END 2 /* set file offset to EOF plus offset */ /* * Device switch */ struct devsw { const char dv_name[8]; int dv_type; /* opaque type constant, arch-dependant */ int (*dv_init)(void); /* early probe call */ int (*dv_strategy)(void *devdata, int rw, daddr_t blk, size_t size, char *buf, size_t *rsize); int (*dv_open)(struct open_file *f, ...); int (*dv_close)(struct open_file *f); int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data); void (*dv_print)(int verbose); /* print device information */ void (*dv_cleanup)(void); }; /* * libstand-supplied device switch */ extern struct devsw netdev; extern int errno; struct open_file { int f_flags; /* see F_* below */ struct devsw *f_dev; /* pointer to device operations */ void *f_devdata; /* device specific data */ struct fs_ops *f_ops; /* pointer to file system operations */ void *f_fsdata; /* file system specific data */ off_t f_offset; /* current file offset */ char *f_rabuf; /* readahead buffer pointer */ size_t f_ralen; /* valid data in readahead buffer */ off_t f_raoffset; /* consumer offset in readahead buffer */ #define SOPEN_RASIZE 512 }; #define SOPEN_MAX 64 extern struct open_file files[]; /* f_flags values */ #define F_READ 0x0001 /* file opened for reading */ #define F_WRITE 0x0002 /* file opened for writing */ #define F_RAW 0x0004 /* raw device open - no file system */ #define F_NODEV 0x0008 /* network open - no device */ #define isascii(c) (((c) & ~0x7F) == 0) static __inline int isupper(int c) { return c >= 'A' && c <= 'Z'; } static __inline int islower(int c) { return c >= 'a' && c <= 'z'; } static __inline int isspace(int c) { return c == ' ' || (c >= 0x9 && c <= 0xd); } static __inline int isdigit(int c) { return c >= '0' && c <= '9'; } static __inline int isxdigit(int c) { return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'); } static __inline int isalpha(int c) { return isupper(c) || islower(c); } static __inline int isalnum(int c) { return isalpha(c) || isdigit(c); } static __inline int toupper(int c) { return islower(c) ? c - 'a' + 'A' : c; } static __inline int tolower(int c) { return isupper(c) ? c - 'A' + 'a' : c; } /* sbrk emulation */ extern void setheap(void *base, void *top); extern char *sbrk(int incr); /* Matt Dillon's zalloc/zmalloc */ extern void *malloc(size_t bytes); extern void free(void *ptr); /*#define free(p) {CHK("free %p", p); free(p);} */ /* use for catching guard violations */ extern void *calloc(size_t n1, size_t n2); extern void *realloc(void *ptr, size_t size); extern void *reallocf(void *ptr, size_t size); extern void mallocstats(void); extern int printf(const char *fmt, ...) __printflike(1, 2); extern void vprintf(const char *fmt, __va_list); extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3); extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4); extern void vsprintf(char *buf, const char *cfmt, __va_list); extern void twiddle(u_int callerdiv); extern void twiddle_divisor(u_int globaldiv); extern void ngets(char *, int); #define gets(x) ngets((x), 0) extern int fgetstr(char *buf, int size, int fd); extern int open(const char *, int); #define O_RDONLY 0x0 #define O_WRONLY 0x1 #define O_RDWR 0x2 extern int close(int); extern void closeall(void); extern ssize_t read(int, void *, size_t); extern ssize_t write(int, void *, size_t); extern struct dirent *readdirfd(int); extern void srandom(u_long seed); extern u_long random(void); /* imports from stdlib, locally modified */ extern long strtol(const char *, char **, int); extern unsigned long strtoul(const char *, char **, int); extern char *optarg; /* getopt(3) external variables */ extern int optind, opterr, optopt, optreset; extern int getopt(int, char * const [], const char *); /* pager.c */ extern void pager_open(void); extern void pager_close(void); extern int pager_output(const char *lines); extern int pager_file(const char *fname); /* No signal state to preserve */ #define setjmp _setjmp #define longjmp _longjmp /* environment.c */ #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */ #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */ #define EV_NOHOOK (1<<2) /* don't call hook when setting */ struct env_var; typedef char *(ev_format_t)(struct env_var *ev); typedef int (ev_sethook_t)(struct env_var *ev, int flags, const void *value); typedef int (ev_unsethook_t)(struct env_var *ev); struct env_var { char *ev_name; int ev_flags; void *ev_value; ev_sethook_t *ev_sethook; ev_unsethook_t *ev_unsethook; struct env_var *ev_next, *ev_prev; }; extern struct env_var *environ; extern struct env_var *env_getenv(const char *name); extern int env_setenv(const char *name, int flags, const void *value, ev_sethook_t sethook, ev_unsethook_t unsethook); extern char *getenv(const char *name); extern int setenv(const char *name, const char *value, int overwrite); extern int putenv(const char *string); extern int unsetenv(const char *name); extern ev_sethook_t env_noset; /* refuse set operation */ extern ev_unsethook_t env_nounset; /* refuse unset operation */ /* BCD conversions (undocumented) */ extern u_char const bcd2bin_data[]; extern u_char const bin2bcd_data[]; extern char const hex2ascii_data[]; #define bcd2bin(bcd) (bcd2bin_data[bcd]) #define bin2bcd(bin) (bin2bcd_data[bin]) #define hex2ascii(hex) (hex2ascii_data[hex]) /* min/max (undocumented) */ static __inline int imax(int a, int b) { return (a > b ? a : b); } static __inline int imin(int a, int b) { return (a < b ? a : b); } static __inline long lmax(long a, long b) { return (a > b ? a : b); } static __inline long lmin(long a, long b) { return (a < b ? a : b); } static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } -/* swaps (undocumented, useful?) */ -#ifdef __i386__ -extern u_int32_t bswap32(u_int32_t x); -extern u_int64_t bswap64(u_int64_t x); -#endif /* null functions for device/filesystem switches (undocumented) */ extern int nodev(void); extern int noioctl(struct open_file *, u_long, void *); extern void nullsys(void); extern int null_open(const char *path, struct open_file *f); extern int null_close(struct open_file *f); extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid); extern int null_write(struct open_file *f, void *buf, size_t size, size_t *resid); extern off_t null_seek(struct open_file *f, off_t offset, int where); extern int null_stat(struct open_file *f, struct stat *sb); extern int null_readdir(struct open_file *f, struct dirent *d); /* * Machine dependent functions and data, must be provided or stubbed by * the consumer */ extern int getchar(void); extern int ischar(void); extern void putchar(int); extern int devopen(struct open_file *, const char *, const char **); extern int devclose(struct open_file *f); extern void panic(const char *, ...) __dead2 __printflike(1, 2); extern struct fs_ops *file_system[]; extern struct devsw *devsw[]; /* * Expose byteorder(3) functions. */ #ifndef _BYTEORDER_PROTOTYPED #define _BYTEORDER_PROTOTYPED extern uint32_t htonl(uint32_t); extern uint16_t htons(uint16_t); extern uint32_t ntohl(uint32_t); extern uint16_t ntohs(uint16_t); #endif #ifndef _BYTEORDER_FUNC_DEFINED #define _BYTEORDER_FUNC_DEFINED #define htonl(x) __htonl(x) #define htons(x) __htons(x) #define ntohl(x) __ntohl(x) #define ntohs(x) __ntohs(x) #endif void *Malloc(size_t, const char *, int); void *Calloc(size_t, size_t, const char *, int); void *Realloc(void *, size_t, const char *, int); void Free(void *, const char *, int); #if 1 #define malloc(x) Malloc(x, __FILE__, __LINE__) #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__) #define free(x) Free(x, __FILE__, __LINE__) #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__) #else #define malloc(x) Malloc(x, NULL, 0) #define calloc(x, y) Calloc(x, y, NULL, 0) #define free(x) Free(x, NULL, 0) #define realloc(x, y) Realloc(x, y, NULL, 0) #endif #endif /* STAND_H */ Index: stable/10/sys/boot/common/dev_net.c =================================================================== --- stable/10/sys/boot/common/dev_net.c (revision 301055) +++ stable/10/sys/boot/common/dev_net.c (revision 301056) @@ -1,373 +1,379 @@ /* $NetBSD: dev_net.c,v 1.23 2008/04/28 20:24:06 martin Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Gordon W. Ross. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); /*- * This module implements a "raw device" interface suitable for * use by the stand-alone I/O library NFS code. This interface * does not support any "block" access, and exists only for the * purpose of initializing the network interface, getting boot * parameters, and performing the NFS mount. * * At open time, this does: * * find interface - netif_open() * RARP for IP address - rarp_getipaddress() * RPC/bootparams - callrpc(d, RPC_BOOTPARAMS, ...) * RPC/mountd - nfs_mount(sock, ip, path) * * the root file handle from mountd is saved in a global * for use by the NFS open code (NFS/lookup). */ #include #include #include #include #include #include #include #include #include #include #include #include #include "dev_net.h" #include "bootstrap.h" #ifdef NETIF_DEBUG int debug = 0; #endif static char *netdev_name; static int netdev_sock = -1; static int netdev_opens; static int net_init(void); static int net_open(struct open_file *, ...); static int net_close(struct open_file *); static void net_cleanup(void); static int net_strategy(); static void net_print(int); static int net_getparams(int sock); struct devsw netdev = { "net", DEVT_NET, net_init, net_strategy, net_open, net_close, noioctl, net_print, net_cleanup }; static int net_init(void) { return (0); } /* * Called by devopen after it sets f->f_dev to our devsw entry. * This opens the low-level device and sets f->f_devdata. * This is declared with variable arguments... */ static int net_open(struct open_file *f, ...) { char temp[FNAME_SIZE]; struct iodesc *d; va_list args; char *devname; /* Device part of file name (or NULL). */ int error = 0; va_start(args, f); devname = va_arg(args, char*); va_end(args); #ifdef NETIF_OPEN_CLOSE_ONCE /* Before opening another interface, close the previous one first. */ if (netdev_sock >= 0 && strcmp(devname, netdev_name) != 0) net_cleanup(); #endif /* On first open, do netif open, mount, etc. */ if (netdev_opens == 0) { /* Find network interface. */ if (netdev_sock < 0) { netdev_sock = netif_open(devname); if (netdev_sock < 0) { printf("net_open: netif_open() failed\n"); return (ENXIO); } netdev_name = strdup(devname); #ifdef NETIF_DEBUG if (debug) printf("net_open: netif_open() succeeded\n"); #endif } /* * If network params were not set by netif_open(), try to get * them via bootp, rarp, etc. */ if (rootip.s_addr == 0) { /* Get root IP address, and path, etc. */ error = net_getparams(netdev_sock); if (error) { /* getparams makes its own noise */ free(netdev_name); netif_close(netdev_sock); netdev_sock = -1; return (error); } } /* * Set the variables required by the kernel's nfs_diskless * mechanism. This is the minimum set of variables required to * mount a root filesystem without needing to obtain additional * info from bootp or other sources. */ d = socktodesc(netdev_sock); sprintf(temp, "%6D", d->myea, ":"); setenv("boot.netif.hwaddr", temp, 1); setenv("boot.netif.ip", inet_ntoa(myip), 1); setenv("boot.netif.netmask", intoa(netmask), 1); setenv("boot.netif.gateway", inet_ntoa(gateip), 1); setenv("boot.nfsroot.server", inet_ntoa(rootip), 1); setenv("boot.nfsroot.path", rootpath, 1); + if (intf_mtu != 0) { + char mtu[16]; + sprintf(mtu, "%u", intf_mtu); + setenv("boot.netif.mtu", mtu, 1); + } + } netdev_opens++; f->f_devdata = &netdev_sock; return (error); } static int net_close(struct open_file *f) { #ifdef NETIF_DEBUG if (debug) printf("net_close: opens=%d\n", netdev_opens); #endif f->f_devdata = NULL; #ifndef NETIF_OPEN_CLOSE_ONCE /* Extra close call? */ if (netdev_opens <= 0) return (0); netdev_opens--; /* Not last close? */ if (netdev_opens > 0) return (0); /* On last close, do netif close, etc. */ #ifdef NETIF_DEBUG if (debug) printf("net_close: calling net_cleanup()\n"); #endif net_cleanup(); #endif return (0); } static void net_cleanup(void) { if (netdev_sock >= 0) { #ifdef NETIF_DEBUG if (debug) printf("net_cleanup: calling netif_close()\n"); #endif rootip.s_addr = 0; free(netdev_name); netif_close(netdev_sock); netdev_sock = -1; } } static int net_strategy() { return (EIO); } #define SUPPORT_BOOTP /* * Get info for NFS boot: our IP address, our hostname, * server IP address, and our root path on the server. * There are two ways to do this: The old, Sun way, * and the more modern, BOOTP way. (RFC951, RFC1048) * * The default is to use the Sun bootparams RPC * (because that is what the kernel will do). * MD code can make try_bootp initialied data, * which will override this common definition. */ #ifdef SUPPORT_BOOTP int try_bootp = 1; #endif extern n_long ip_convertaddr(char *p); static int net_getparams(int sock) { char buf[MAXHOSTNAMELEN]; n_long rootaddr, smask; #ifdef SUPPORT_BOOTP /* * Try to get boot info using BOOTP. If we succeed, then * the server IP address, gateway, and root path will all * be initialized. If any remain uninitialized, we will * use RARP and RPC/bootparam (the Sun way) to get them. */ if (try_bootp) bootp(sock, BOOTP_NONE); if (myip.s_addr != 0) goto exit; #ifdef NETIF_DEBUG if (debug) printf("net_open: BOOTP failed, trying RARP/RPC...\n"); #endif #endif /* * Use RARP to get our IP address. This also sets our * netmask to the "natural" default for our address. */ if (rarp_getipaddress(sock)) { printf("net_open: RARP failed\n"); return (EIO); } printf("net_open: client addr: %s\n", inet_ntoa(myip)); /* Get our hostname, server IP address, gateway. */ if (bp_whoami(sock)) { printf("net_open: bootparam/whoami RPC failed\n"); return (EIO); } #ifdef NETIF_DEBUG if (debug) printf("net_open: client name: %s\n", hostname); #endif /* * Ignore the gateway from whoami (unreliable). * Use the "gateway" parameter instead. */ smask = 0; gateip.s_addr = 0; if (bp_getfile(sock, "gateway", &gateip, buf) == 0) { /* Got it! Parse the netmask. */ smask = ip_convertaddr(buf); } if (smask) { netmask = smask; #ifdef NETIF_DEBUG if (debug) printf("net_open: subnet mask: %s\n", intoa(netmask)); #endif } #ifdef NETIF_DEBUG if (gateip.s_addr && debug) printf("net_open: net gateway: %s\n", inet_ntoa(gateip)); #endif /* Get the root server and pathname. */ if (bp_getfile(sock, "root", &rootip, rootpath)) { printf("net_open: bootparam/getfile RPC failed\n"); return (EIO); } exit: if ((rootaddr = net_parse_rootpath()) != INADDR_NONE) rootip.s_addr = rootaddr; #ifdef NETIF_DEBUG if (debug) { printf("net_open: server addr: %s\n", inet_ntoa(rootip)); printf("net_open: server path: %s\n", rootpath); } #endif return (0); } static void net_print(int verbose) { struct netif_driver *drv; int i, d, cnt; cnt = 0; for (d = 0; netif_drivers[d]; d++) { drv = netif_drivers[d]; for (i = 0; i < drv->netif_nifs; i++) { printf("\t%s%d:", "net", cnt++); if (verbose) printf(" (%s%d)", drv->netif_bname, drv->netif_ifs[i].dif_unit); } } printf("\n"); } /* * Strip the server's address off of the rootpath if present and return it in * network byte order, leaving just the pathname part in the global rootpath. */ uint32_t net_parse_rootpath() { int i; n_long addr = INADDR_NONE; for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++) if (rootpath[i] == ':') break; if (i && i != FNAME_SIZE && rootpath[i] == ':') { rootpath[i++] = '\0'; addr = inet_addr(&rootpath[0]); bcopy(&rootpath[i], rootpath, strlen(&rootpath[i])+1); } return (addr); } Index: stable/10/sys/boot/i386/libi386/pxe.c =================================================================== --- stable/10/sys/boot/i386/libi386/pxe.c (revision 301055) +++ stable/10/sys/boot/i386/libi386/pxe.c (revision 301056) @@ -1,696 +1,701 @@ /*- * Copyright (c) 2000 Alfred Perlstein * Copyright (c) 2000 Paul Saab * Copyright (c) 2000 John Baldwin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include "btxv86.h" #include "pxe.h" /* * Allocate the PXE buffers statically instead of sticking grimy fingers into * BTX's private data area. The scratch buffer is used to send information to * the PXE BIOS, and the data buffer is used to receive data from the PXE BIOS. */ #define PXE_BUFFER_SIZE 0x2000 #define PXE_TFTP_BUFFER_SIZE 512 static char scratch_buffer[PXE_BUFFER_SIZE]; static char data_buffer[PXE_BUFFER_SIZE]; static pxenv_t *pxenv_p = NULL; /* PXENV+ */ static pxe_t *pxe_p = NULL; /* !PXE */ static BOOTPLAYER bootplayer; /* PXE Cached information. */ static int pxe_debug = 0; static int pxe_sock = -1; static int pxe_opens = 0; void pxe_enable(void *pxeinfo); static void (*pxe_call)(int func); static void pxenv_call(int func); static void bangpxe_call(int func); static int pxe_init(void); static int pxe_strategy(void *devdata, int flag, daddr_t dblk, size_t size, char *buf, size_t *rsize); static int pxe_open(struct open_file *f, ...); static int pxe_close(struct open_file *f); static void pxe_print(int verbose); static void pxe_cleanup(void); static void pxe_setnfshandle(char *rootpath); static void pxe_perror(int error); static int pxe_netif_match(struct netif *nif, void *machdep_hint); static int pxe_netif_probe(struct netif *nif, void *machdep_hint); static void pxe_netif_init(struct iodesc *desc, void *machdep_hint); static int pxe_netif_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout); static int pxe_netif_put(struct iodesc *desc, void *pkt, size_t len); static void pxe_netif_end(struct netif *nif); #ifdef OLD_NFSV2 int nfs_getrootfh(struct iodesc*, char*, u_char*); #else int nfs_getrootfh(struct iodesc*, char*, uint32_t*, u_char*); #endif extern struct netif_stats pxe_st[]; extern u_int16_t __bangpxeseg; extern u_int16_t __bangpxeoff; extern void __bangpxeentry(void); extern u_int16_t __pxenvseg; extern u_int16_t __pxenvoff; extern void __pxenventry(void); struct netif_dif pxe_ifs[] = { /* dif_unit dif_nsel dif_stats dif_private */ {0, 1, &pxe_st[0], 0} }; struct netif_stats pxe_st[NENTS(pxe_ifs)]; struct netif_driver pxenetif = { "pxenet", pxe_netif_match, pxe_netif_probe, pxe_netif_init, pxe_netif_get, pxe_netif_put, pxe_netif_end, pxe_ifs, NENTS(pxe_ifs) }; struct netif_driver *netif_drivers[] = { &pxenetif, NULL }; struct devsw pxedisk = { "pxe", DEVT_NET, pxe_init, pxe_strategy, pxe_open, pxe_close, noioctl, pxe_print, pxe_cleanup }; /* * This function is called by the loader to enable PXE support if we * are booted by PXE. The passed in pointer is a pointer to the * PXENV+ structure. */ void pxe_enable(void *pxeinfo) { pxenv_p = (pxenv_t *)pxeinfo; pxe_p = (pxe_t *)PTOV(pxenv_p->PXEPtr.segment * 16 + pxenv_p->PXEPtr.offset); pxe_call = NULL; } /* * return true if pxe structures are found/initialized, * also figures out our IP information via the pxe cached info struct */ static int pxe_init(void) { t_PXENV_GET_CACHED_INFO *gci_p; int counter; uint8_t checksum; uint8_t *checkptr; if(pxenv_p == NULL) return (0); /* look for "PXENV+" */ if (bcmp((void *)pxenv_p->Signature, S_SIZE("PXENV+"))) { pxenv_p = NULL; return (0); } /* make sure the size is something we can handle */ if (pxenv_p->Length > sizeof(*pxenv_p)) { printf("PXENV+ structure too large, ignoring\n"); pxenv_p = NULL; return (0); } /* * do byte checksum: * add up each byte in the structure, the total should be 0 */ checksum = 0; checkptr = (uint8_t *) pxenv_p; for (counter = 0; counter < pxenv_p->Length; counter++) checksum += *checkptr++; if (checksum != 0) { printf("PXENV+ structure failed checksum, ignoring\n"); pxenv_p = NULL; return (0); } /* * PXENV+ passed, so use that if !PXE is not available or * the checksum fails. */ pxe_call = pxenv_call; if (pxenv_p->Version >= 0x0200) { for (;;) { if (bcmp((void *)pxe_p->Signature, S_SIZE("!PXE"))) { pxe_p = NULL; break; } checksum = 0; checkptr = (uint8_t *)pxe_p; for (counter = 0; counter < pxe_p->StructLength; counter++) checksum += *checkptr++; if (checksum != 0) { pxe_p = NULL; break; } pxe_call = bangpxe_call; break; } } printf("\nPXE version %d.%d, real mode entry point ", (uint8_t) (pxenv_p->Version >> 8), (uint8_t) (pxenv_p->Version & 0xFF)); if (pxe_call == bangpxe_call) printf("@%04x:%04x\n", pxe_p->EntryPointSP.segment, pxe_p->EntryPointSP.offset); else printf("@%04x:%04x\n", pxenv_p->RMEntry.segment, pxenv_p->RMEntry.offset); gci_p = (t_PXENV_GET_CACHED_INFO *) scratch_buffer; bzero(gci_p, sizeof(*gci_p)); gci_p->PacketType = PXENV_PACKET_TYPE_BINL_REPLY; pxe_call(PXENV_GET_CACHED_INFO); if (gci_p->Status != 0) { pxe_perror(gci_p->Status); pxe_p = NULL; return (0); } bcopy(PTOV((gci_p->Buffer.segment << 4) + gci_p->Buffer.offset), &bootplayer, gci_p->BufferSize); return (1); } static int pxe_strategy(void *devdata, int flag, daddr_t dblk, size_t size, char *buf, size_t *rsize) { return (EIO); } static int pxe_open(struct open_file *f, ...) { va_list args; char *devname; /* Device part of file name (or NULL). */ char temp[FNAME_SIZE]; int error = 0; int i; va_start(args, f); devname = va_arg(args, char*); va_end(args); /* On first open, do netif open, mount, etc. */ if (pxe_opens == 0) { /* Find network interface. */ if (pxe_sock < 0) { pxe_sock = netif_open(devname); if (pxe_sock < 0) { printf("pxe_open: netif_open() failed\n"); return (ENXIO); } if (pxe_debug) printf("pxe_open: netif_open() succeeded\n"); } if (rootip.s_addr == 0) { /* * Do a bootp/dhcp request to find out where our * NFS/TFTP server is. Even if we dont get back * the proper information, fall back to the server * which brought us to life and a default rootpath. */ bootp(pxe_sock, BOOTP_PXE); if (rootip.s_addr == 0) rootip.s_addr = bootplayer.sip; if (!rootpath[0]) strcpy(rootpath, PXENFSROOTPATH); for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++) if (rootpath[i] == ':') break; if (i && i != FNAME_SIZE && rootpath[i] == ':') { rootpath[i++] = '\0'; if (inet_addr(&rootpath[0]) != INADDR_NONE) rootip.s_addr = inet_addr(&rootpath[0]); bcopy(&rootpath[i], &temp[0], strlen(&rootpath[i])+1); bcopy(&temp[0], &rootpath[0], strlen(&rootpath[i])+1); } printf("pxe_open: server addr: %s\n", inet_ntoa(rootip)); printf("pxe_open: server path: %s\n", rootpath); printf("pxe_open: gateway ip: %s\n", inet_ntoa(gateip)); setenv("boot.netif.ip", inet_ntoa(myip), 1); setenv("boot.netif.netmask", intoa(netmask), 1); setenv("boot.netif.gateway", inet_ntoa(gateip), 1); if (bootplayer.Hardware == ETHER_TYPE) { sprintf(temp, "%6D", bootplayer.CAddr, ":"); setenv("boot.netif.hwaddr", temp, 1); } + if (intf_mtu != 0) { + char mtu[16]; + sprintf(mtu, "%u", intf_mtu); + setenv("boot.netif.mtu", mtu, 1); + } setenv("boot.nfsroot.server", inet_ntoa(rootip), 1); setenv("boot.nfsroot.path", rootpath, 1); setenv("dhcp.host-name", hostname, 1); } } pxe_opens++; f->f_devdata = &pxe_sock; return (error); } static int pxe_close(struct open_file *f) { #ifdef PXE_DEBUG if (pxe_debug) printf("pxe_close: opens=%d\n", pxe_opens); #endif /* On last close, do netif close, etc. */ f->f_devdata = NULL; /* Extra close call? */ if (pxe_opens <= 0) return (0); pxe_opens--; /* Not last close? */ if (pxe_opens > 0) return(0); #ifdef LOADER_NFS_SUPPORT /* get an NFS filehandle for our root filesystem */ pxe_setnfshandle(rootpath); #endif if (pxe_sock >= 0) { #ifdef PXE_DEBUG if (pxe_debug) printf("pxe_close: calling netif_close()\n"); #endif netif_close(pxe_sock); pxe_sock = -1; } return (0); } static void pxe_print(int verbose) { if (pxe_call == NULL) return; printf(" pxe0: %s:%s\n", inet_ntoa(rootip), rootpath); } static void pxe_cleanup(void) { #ifdef PXE_DEBUG t_PXENV_UNLOAD_STACK *unload_stack_p = (t_PXENV_UNLOAD_STACK *)scratch_buffer; t_PXENV_UNDI_SHUTDOWN *undi_shutdown_p = (t_PXENV_UNDI_SHUTDOWN *)scratch_buffer; #endif if (pxe_call == NULL) return; pxe_call(PXENV_UNDI_SHUTDOWN); #ifdef PXE_DEBUG if (pxe_debug && undi_shutdown_p->Status != 0) printf("pxe_cleanup: UNDI_SHUTDOWN failed %x\n", undi_shutdown_p->Status); #endif pxe_call(PXENV_UNLOAD_STACK); #ifdef PXE_DEBUG if (pxe_debug && unload_stack_p->Status != 0) printf("pxe_cleanup: UNLOAD_STACK failed %x\n", unload_stack_p->Status); #endif } void pxe_perror(int err) { return; } #ifdef LOADER_NFS_SUPPORT /* * Reach inside the libstand NFS code and dig out an NFS handle * for the root filesystem. */ #ifdef OLD_NFSV2 struct nfs_iodesc { struct iodesc *iodesc; off_t off; u_char fh[NFS_FHSIZE]; /* structure truncated here */ }; extern struct nfs_iodesc nfs_root_node; extern int rpc_port; static void pxe_rpcmountcall() { struct iodesc *d; int error; if (!(d = socktodesc(pxe_sock))) return; d->myport = htons(--rpc_port); d->destip = rootip; if ((error = nfs_getrootfh(d, rootpath, nfs_root_node.fh)) != 0) printf("NFS MOUNT RPC error: %d\n", error); nfs_root_node.iodesc = d; } static void pxe_setnfshandle(char *rootpath) { int i; u_char *fh; char buf[2 * NFS_FHSIZE + 3], *cp; /* * If NFS files were never opened, we need to do mount call * ourselves. Use nfs_root_node.iodesc as flag indicating * previous NFS usage. */ if (nfs_root_node.iodesc == NULL) pxe_rpcmountcall(); fh = &nfs_root_node.fh[0]; buf[0] = 'X'; cp = &buf[1]; for (i = 0; i < NFS_FHSIZE; i++, cp += 2) sprintf(cp, "%02x", fh[i]); sprintf(cp, "X"); setenv("boot.nfsroot.nfshandle", buf, 1); } #else /* !OLD_NFSV2 */ #define NFS_V3MAXFHSIZE 64 struct nfs_iodesc { struct iodesc *iodesc; off_t off; uint32_t fhsize; u_char fh[NFS_V3MAXFHSIZE]; /* structure truncated */ }; extern struct nfs_iodesc nfs_root_node; extern int rpc_port; static void pxe_rpcmountcall() { struct iodesc *d; int error; if (!(d = socktodesc(pxe_sock))) return; d->myport = htons(--rpc_port); d->destip = rootip; if ((error = nfs_getrootfh(d, rootpath, &nfs_root_node.fhsize, nfs_root_node.fh)) != 0) { printf("NFS MOUNT RPC error: %d\n", error); nfs_root_node.fhsize = 0; } nfs_root_node.iodesc = d; } static void pxe_setnfshandle(char *rootpath) { int i; u_char *fh; char buf[2 * NFS_V3MAXFHSIZE + 3], *cp; /* * If NFS files were never opened, we need to do mount call * ourselves. Use nfs_root_node.iodesc as flag indicating * previous NFS usage. */ if (nfs_root_node.iodesc == NULL) pxe_rpcmountcall(); fh = &nfs_root_node.fh[0]; buf[0] = 'X'; cp = &buf[1]; for (i = 0; i < nfs_root_node.fhsize; i++, cp += 2) sprintf(cp, "%02x", fh[i]); sprintf(cp, "X"); setenv("boot.nfsroot.nfshandle", buf, 1); sprintf(buf, "%d", nfs_root_node.fhsize); setenv("boot.nfsroot.nfshandlelen", buf, 1); } #endif /* OLD_NFSV2 */ #endif /* LOADER_NFS_SUPPORT */ void pxenv_call(int func) { #ifdef PXE_DEBUG if (pxe_debug) printf("pxenv_call %x\n", func); #endif bzero(&v86, sizeof(v86)); bzero(data_buffer, sizeof(data_buffer)); __pxenvseg = pxenv_p->RMEntry.segment; __pxenvoff = pxenv_p->RMEntry.offset; v86.ctl = V86_ADDR | V86_CALLF | V86_FLAGS; v86.es = VTOPSEG(scratch_buffer); v86.edi = VTOPOFF(scratch_buffer); v86.addr = (VTOPSEG(__pxenventry) << 16) | VTOPOFF(__pxenventry); v86.ebx = func; v86int(); v86.ctl = V86_FLAGS; } void bangpxe_call(int func) { #ifdef PXE_DEBUG if (pxe_debug) printf("bangpxe_call %x\n", func); #endif bzero(&v86, sizeof(v86)); bzero(data_buffer, sizeof(data_buffer)); __bangpxeseg = pxe_p->EntryPointSP.segment; __bangpxeoff = pxe_p->EntryPointSP.offset; v86.ctl = V86_ADDR | V86_CALLF | V86_FLAGS; v86.edx = VTOPSEG(scratch_buffer); v86.eax = VTOPOFF(scratch_buffer); v86.addr = (VTOPSEG(__bangpxeentry) << 16) | VTOPOFF(__bangpxeentry); v86.ebx = func; v86int(); v86.ctl = V86_FLAGS; } time_t getsecs() { time_t n = 0; time(&n); return n; } static int pxe_netif_match(struct netif *nif, void *machdep_hint) { return 1; } static int pxe_netif_probe(struct netif *nif, void *machdep_hint) { t_PXENV_UDP_OPEN *udpopen_p = (t_PXENV_UDP_OPEN *)scratch_buffer; if (pxe_call == NULL) return -1; bzero(udpopen_p, sizeof(*udpopen_p)); udpopen_p->src_ip = bootplayer.yip; pxe_call(PXENV_UDP_OPEN); if (udpopen_p->status != 0) { printf("pxe_netif_probe: failed %x\n", udpopen_p->status); return -1; } return 0; } static void pxe_netif_end(struct netif *nif) { t_PXENV_UDP_CLOSE *udpclose_p = (t_PXENV_UDP_CLOSE *)scratch_buffer; bzero(udpclose_p, sizeof(*udpclose_p)); pxe_call(PXENV_UDP_CLOSE); if (udpclose_p->status != 0) printf("pxe_end failed %x\n", udpclose_p->status); } static void pxe_netif_init(struct iodesc *desc, void *machdep_hint) { int i; for (i = 0; i < 6; ++i) desc->myea[i] = bootplayer.CAddr[i]; desc->xid = bootplayer.ident; } static int pxe_netif_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout) { return len; } static int pxe_netif_put(struct iodesc *desc, void *pkt, size_t len) { return len; } ssize_t sendudp(struct iodesc *h, void *pkt, size_t len) { t_PXENV_UDP_WRITE *udpwrite_p = (t_PXENV_UDP_WRITE *)scratch_buffer; bzero(udpwrite_p, sizeof(*udpwrite_p)); udpwrite_p->ip = h->destip.s_addr; udpwrite_p->dst_port = h->destport; udpwrite_p->src_port = h->myport; udpwrite_p->buffer_size = len; udpwrite_p->buffer.segment = VTOPSEG(pkt); udpwrite_p->buffer.offset = VTOPOFF(pkt); if (netmask == 0 || SAMENET(myip, h->destip, netmask)) udpwrite_p->gw = 0; else udpwrite_p->gw = gateip.s_addr; pxe_call(PXENV_UDP_WRITE); #if 0 /* XXX - I dont know why we need this. */ delay(1000); #endif if (udpwrite_p->status != 0) { /* XXX: This happens a lot. It shouldn't. */ if (udpwrite_p->status != 1) printf("sendudp failed %x\n", udpwrite_p->status); return -1; } return len; } ssize_t readudp(struct iodesc *h, void *pkt, size_t len, time_t timeout) { t_PXENV_UDP_READ *udpread_p = (t_PXENV_UDP_READ *)scratch_buffer; struct udphdr *uh = NULL; uh = (struct udphdr *) pkt - 1; bzero(udpread_p, sizeof(*udpread_p)); udpread_p->dest_ip = h->myip.s_addr; udpread_p->d_port = h->myport; udpread_p->buffer_size = len; udpread_p->buffer.segment = VTOPSEG(data_buffer); udpread_p->buffer.offset = VTOPOFF(data_buffer); pxe_call(PXENV_UDP_READ); #if 0 /* XXX - I dont know why we need this. */ delay(1000); #endif if (udpread_p->status != 0) { /* XXX: This happens a lot. It shouldn't. */ if (udpread_p->status != 1) printf("readudp failed %x\n", udpread_p->status); return -1; } bcopy(data_buffer, pkt, udpread_p->buffer_size); uh->uh_sport = udpread_p->s_port; return udpread_p->buffer_size; } Index: stable/10/sys/boot/libstand32/Makefile =================================================================== --- stable/10/sys/boot/libstand32/Makefile (revision 301055) +++ stable/10/sys/boot/libstand32/Makefile (revision 301056) @@ -1,193 +1,193 @@ # $FreeBSD$ # Originally from $NetBSD: Makefile,v 1.21 1997/10/26 22:08:38 lukem Exp $ # # Notes: # - We don't use the libc strerror/sys_errlist because the string table is # quite large. # MAN= .include MK_SSP= no S= ${.CURDIR}/../../../lib/libstand .PATH: ${S} LIB= stand INTERNALLIB= NO_PROFILE= NO_PIC= WARNS?= 0 CFLAGS+= -ffreestanding -Wformat CFLAGS+= -I${S} .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" CFLAGS.gcc+= -mpreferred-stack-boundary=2 CFLAGS+= -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float .endif .if ${MACHINE} == "pc98" CFLAGS+= -Os .endif .if ${MACHINE_CPUARCH} == "powerpc" CFLAGS+= -msoft-float -D_STANDALONE -DNETIF_DEBUG .endif .if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "powerpc64" CFLAGS+= -m32 -I. .endif .if ${MACHINE_CPUARCH} == "arm" CFLAGS+= -msoft-float -D_STANDALONE .endif .if ${MACHINE_CPUARCH} == "mips" CFLAGS+= -G0 -fno-pic -mno-abicalls .endif # standalone components and stuff we have modified locally -SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c bswap.c environment.c getopt.c gets.c \ +SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c environment.c getopt.c gets.c \ globals.c pager.c printf.c strdup.c strerror.c strtol.c strtoul.c random.c \ sbrk.c twiddle.c zalloc.c zalloc_malloc.c # private (pruned) versions of libc string functions SRCS+= strcasecmp.c LIBC= ${S}/../libc .PATH: ${LIBC}/net SRCS+= ntoh.c # string functions from libc .PATH: ${LIBC}/string .if ${MACHINE_CPUARCH} != "ia64" SRCS+= bcmp.c bcopy.c bzero.c ffs.c memccpy.c memchr.c memcmp.c memcpy.c \ memmove.c memset.c qdivrem.c strcat.c strchr.c strcmp.c strcpy.c \ strcspn.c strlcat.c strlcpy.c strlen.c strncat.c strncmp.c strncpy.c \ strpbrk.c strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c .endif .if ${MACHINE_CPUARCH} == "arm" .PATH: ${LIBC}/arm/gen .if ${MK_ARM_EABI} == "no" SRCS+= divsi3.S .else # Compiler support functions .PATH: ${.CURDIR}/../../../contrib/compiler-rt/lib/ # __clzsi2 and ctzsi2 for various builtin functions SRCS+= clzsi2.c ctzsi2.c # Divide and modulus functions called by the compiler SRCS+= divmoddi4.c divmodsi4.c divdi3.c divsi3.c moddi3.c modsi3.c SRCS+= udivmoddi4.c udivmodsi4.c udivdi3.c udivsi3.c umoddi3.c umodsi3.c .PATH: ${.CURDIR}/../../../contrib/compiler-rt/lib/arm/ SRCS+= aeabi_idivmod.S aeabi_ldivmod.S aeabi_uidivmod.S aeabi_uldivmod.S SRCS+= aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S .endif .endif .if ${MACHINE_CPUARCH} == "ia64" .PATH: ${LIBC}/ia64/string SRCS+= bcmp.c bcopy.S bzero.S ffs.S memccpy.c memchr.c memcmp.c memcpy.S \ memmove.S memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c \ strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strsep.c \ strspn.c strstr.c strtok.c swab.c .PATH: ${LIBC}/ia64/gen SRCS+= __divdi3.S __divsi3.S __moddi3.S __modsi3.S SRCS+= __udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S .endif .if ${MACHINE_CPUARCH} == "powerpc" .PATH: ${LIBC}/quad SRCS+= ashldi3.c ashrdi3.c .PATH: ${LIBC}/powerpc/gen SRCS+= syncicache.c .endif # uuid functions from libc .PATH: ${LIBC}/uuid SRCS+= uuid_equal.c uuid_is_nil.c # _setjmp/_longjmp .if ${MACHINE_CPUARCH} == "amd64" .PATH: ${S}/i386 .elif ${MACHINE_ARCH} == "powerpc64" .PATH: ${S}/powerpc .else .PATH: ${S}/${MACHINE_CPUARCH} .endif SRCS+= _setjmp.S # decompression functionality from libbz2 # NOTE: to actually test this functionality after libbz2 upgrade compile # loader(8) with LOADER_BZIP2_SUPPORT defined .PATH: ${.CURDIR}/../../../contrib/bzip2 CFLAGS+= -DBZ_NO_STDIO -DBZ_NO_COMPRESS SRCS+= libstand_bzlib_private.h .for file in bzlib.c crctable.c decompress.c huffman.c randtable.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed "s|bzlib_private\.h|libstand_bzlib_private.h|" ${.ALLSRC} > ${.TARGET} .endfor CLEANFILES+= libstand_bzlib_private.h libstand_bzlib_private.h: bzlib_private.h sed -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} # decompression functionality from libz .PATH: ${S}/../libz CFLAGS+=-DHAVE_MEMCPY -I${S}/../libz SRCS+= adler32.c crc32.c libstand_zutil.h libstand_gzguts.h .for file in infback.c inffast.c inflate.c inftrees.c zutil.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed -e "s|zutil\.h|libstand_zutil.h|" \ -e "s|gzguts\.h|libstand_gzguts.h|" \ ${.ALLSRC} > ${.TARGET} .endfor # depend on stand.h being able to be included multiple times .for file in zutil.h gzguts.h CLEANFILES+= libstand_${file} libstand_${file}: ${file} sed -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} .endfor # io routines SRCS+= closeall.c dev.c ioctl.c nullfs.c stat.c \ fstat.c close.c lseek.c open.c read.c write.c readdir.c # network routines SRCS+= arp.c ether.c inet_ntoa.c in_cksum.c net.c udp.c netif.c rpc.c # network info services: SRCS+= bootp.c rarp.c bootparam.c # boot filesystems SRCS+= ufs.c nfs.c cd9660.c tftp.c gzipfs.c bzipfs.c SRCS+= dosfs.c ext2fs.c SRCS+= splitfs.c .if ${MK_NAND} != "no" SRCS+= nandfs.c .endif .include .if ${MACHINE_CPUARCH} == "amd64" CLEANFILES+= machine beforedepend ${OBJS}: machine machine: ln -fs ${.CURDIR}/../../i386/include machine .endif Index: stable/10/sys/boot/userboot/libstand/Makefile =================================================================== --- stable/10/sys/boot/userboot/libstand/Makefile (revision 301055) +++ stable/10/sys/boot/userboot/libstand/Makefile (revision 301056) @@ -1,166 +1,166 @@ # $FreeBSD$ # Originally from $NetBSD: Makefile,v 1.21 1997/10/26 22:08:38 lukem Exp $ # # Notes: # - We don't use the libc strerror/sys_errlist because the string table is # quite large. # MAN= .include MK_SSP= no S= ${.CURDIR}/../../../../lib/libstand .PATH: ${S} LIB= stand INTERNALLIB= NO_PROFILE= NO_PIC= WARNS?= 0 CFLAGS+= -ffreestanding -Wformat -fPIC CFLAGS+= -I${.CURDIR}/../../../../lib/libstand .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" CFLAGS+= -mno-mmx -mno-3dnow -mno-sse -mno-sse2 .endif .if ${MACHINE_CPUARCH} == "i386" CFLAGS.gcc+= -mpreferred-stack-boundary=2 CFLAGS+= -mno-sse3 .endif .if ${MACHINE} == "pc98" CFLAGS+= -Os .endif .if ${MACHINE_CPUARCH} == "powerpc" CFLAGS+= -msoft-float -D_STANDALONE -DNETIF_DEBUG .endif .if ${MACHINE_CPUARCH} == "arm" CFLAGS+= -msoft-float -D_STANDALONE .endif # standalone components and stuff we have modified locally -SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c bswap.c environment.c getopt.c gets.c \ +SRCS+= gzguts.h zutil.h __main.c assert.c bcd.c environment.c getopt.c gets.c \ globals.c pager.c printf.c strdup.c strerror.c strtol.c random.c \ sbrk.c twiddle.c zalloc.c zalloc_malloc.c # private (pruned) versions of libc string functions SRCS+= strcasecmp.c LIBC= ${.CURDIR}/../../../../lib/libc .PATH: ${LIBC}/net SRCS+= ntoh.c # string functions from libc .PATH: ${LIBC}/string .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "powerpc" || \ ${MACHINE_CPUARCH} == "sparc64" || ${MACHINE_CPUARCH} == "amd64" || \ ${MACHINE_CPUARCH} == "arm" SRCS+= bcmp.c bcopy.c bzero.c ffs.c memccpy.c memchr.c memcmp.c memcpy.c \ memmove.c memset.c qdivrem.c strcat.c strchr.c strcmp.c strcpy.c \ strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c \ strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c .endif .if ${MACHINE_CPUARCH} == "arm" .PATH: ${LIBC}/arm/gen SRCS+= divsi3.S .endif .if ${MACHINE_CPUARCH} == "ia64" .PATH: ${LIBC}/ia64/string SRCS+= bcmp.c bcopy.S bzero.S ffs.S index.c memccpy.c memchr.c memcmp.c \ memcpy.S memmove.S memset.c rindex.c strcat.c strchr.c \ strcmp.c strcpy.c strcspn.c strlen.c \ strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strsep.c \ strspn.c strstr.c strtok.c swab.c .PATH: ${LIBC}/ia64/gen SRCS+= __divdi3.S __divsi3.S __moddi3.S __modsi3.S SRCS+= __udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S .endif .if ${MACHINE_CPUARCH} == "powerpc" .PATH: ${LIBC}/libc/quad SRCS+= ashldi3.c ashrdi3.c .PATH: ${LIBC}/powerpc/gen SRCS+= syncicache.c .endif # uuid functions from libc .PATH: ${LIBC}/uuid SRCS+= uuid_equal.c uuid_is_nil.c # _setjmp/_longjmp .if ${MACHINE_CPUARCH} == "amd64" .PATH: ${S}/amd64 .elif ${MACHINE_ARCH} == "powerpc64" .PATH: ${S}/powerpc .else .PATH: ${S}/${MACHINE_CPUARCH} .endif SRCS+= _setjmp.S # decompression functionality from libbz2 # NOTE: to actually test this functionality after libbz2 upgrade compile # loader(8) with LOADER_BZIP2_SUPPORT defined .PATH: ${.CURDIR}/../../../../contrib/bzip2 CFLAGS+= -DBZ_NO_STDIO -DBZ_NO_COMPRESS SRCS+= libstand_bzlib_private.h .for file in bzlib.c crctable.c decompress.c huffman.c randtable.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed "s|bzlib_private\.h|libstand_bzlib_private.h|" ${.ALLSRC} > ${.TARGET} .endfor CLEANFILES+= libstand_bzlib_private.h libstand_bzlib_private.h: bzlib_private.h sed -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} # decompression functionality from libz .PATH: ${.CURDIR}/../../../../lib/libz CFLAGS+=-DHAVE_MEMCPY -I${.CURDIR}/../../../../lib/libz SRCS+= adler32.c crc32.c libstand_zutil.h libstand_gzguts.h .for file in infback.c inffast.c inflate.c inftrees.c zutil.c SRCS+= _${file} CLEANFILES+= _${file} _${file}: ${file} sed -e "s|zutil\.h|libstand_zutil.h|" \ -e "s|gzguts\.h|libstand_gzguts.h|" ${.ALLSRC} > ${.TARGET} .endfor # depend on stand.h being able to be included multiple times .for file in zutil.h gzguts.h CLEANFILES+= libstand_${file} libstand_${file}: ${file} sed -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ -e 's||"stand.h"|' \ ${.ALLSRC} > ${.TARGET} .endfor # io routines SRCS+= closeall.c dev.c ioctl.c nullfs.c stat.c \ fstat.c close.c lseek.c open.c read.c write.c readdir.c # network routines SRCS+= arp.c ether.c inet_ntoa.c in_cksum.c net.c udp.c netif.c rpc.c # network info services: SRCS+= bootp.c rarp.c bootparam.c # boot filesystems SRCS+= ufs.c nfs.c cd9660.c tftp.c gzipfs.c bzipfs.c SRCS+= dosfs.c ext2fs.c SRCS+= splitfs.c .include Index: stable/10/sys/nfs/bootp_subr.c =================================================================== --- stable/10/sys/nfs/bootp_subr.c (revision 301055) +++ stable/10/sys/nfs/bootp_subr.c (revision 301056) @@ -1,1865 +1,1885 @@ /*- * Copyright (c) 1995 Gordon Ross, Adam Glass * Copyright (c) 1992 Regents of the University of California. * All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * based on: * nfs/krpc_subr.c * $NetBSD: krpc_subr.c,v 1.10 1995/08/08 20:43:43 gwr Exp $ */ #include __FBSDID("$FreeBSD$"); #include "opt_bootp.h" #include "opt_nfs.h" #include "opt_rootdevname.h" #include #include +#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define BOOTP_MIN_LEN 300 /* Minimum size of bootp udp packet */ #ifndef BOOTP_SETTLE_DELAY #define BOOTP_SETTLE_DELAY 3 #endif /* * Wait 10 seconds for interface appearance * USB ethernet adapters might require some time to pop up */ #ifndef BOOTP_IFACE_WAIT_TIMEOUT #define BOOTP_IFACE_WAIT_TIMEOUT 10 #endif /* * What is the longest we will wait before re-sending a request? * Note this is also the frequency of "RPC timeout" messages. * The re-send loop count sup linearly to this maximum, so the * first complaint will happen after (1+2+3+4+5)=15 seconds. */ #define MAX_RESEND_DELAY 5 /* seconds */ /* Definitions from RFC951 */ struct bootp_packet { u_int8_t op; u_int8_t htype; u_int8_t hlen; u_int8_t hops; u_int32_t xid; u_int16_t secs; u_int16_t flags; struct in_addr ciaddr; struct in_addr yiaddr; struct in_addr siaddr; struct in_addr giaddr; unsigned char chaddr[16]; char sname[64]; char file[128]; unsigned char vend[1222]; }; struct bootpc_ifcontext { STAILQ_ENTRY(bootpc_ifcontext) next; struct bootp_packet call; struct bootp_packet reply; int replylen; int overload; union { struct ifreq _ifreq; struct in_aliasreq _in_alias_req; } _req; #define ireq _req._ifreq #define iareq _req._in_alias_req struct ifnet *ifp; struct sockaddr_dl *sdl; struct sockaddr_in myaddr; struct sockaddr_in netmask; struct sockaddr_in gw; int gotgw; int gotnetmask; int gotrootpath; int outstanding; int sentmsg; u_int32_t xid; enum { IF_BOOTP_UNRESOLVED, IF_BOOTP_RESOLVED, IF_BOOTP_FAILED, IF_DHCP_UNRESOLVED, IF_DHCP_OFFERED, IF_DHCP_RESOLVED, IF_DHCP_FAILED, } state; int dhcpquerytype; /* dhcp type sent */ struct in_addr dhcpserver; int gotdhcpserver; + uint16_t mtu; }; #define TAG_MAXLEN 1024 struct bootpc_tagcontext { char buf[TAG_MAXLEN + 1]; int overload; int badopt; int badtag; int foundopt; int taglen; }; struct bootpc_globalcontext { STAILQ_HEAD(, bootpc_ifcontext) interfaces; u_int32_t xid; int any_root_overrides; int gotrootpath; int gotgw; int ifnum; int secs; int starttime; struct bootp_packet reply; int replylen; struct bootpc_ifcontext *setrootfs; struct bootpc_ifcontext *sethostname; struct bootpc_tagcontext tmptag; struct bootpc_tagcontext tag; }; #define IPPORT_BOOTPC 68 #define IPPORT_BOOTPS 67 #define BOOTP_REQUEST 1 #define BOOTP_REPLY 2 /* Common tags */ #define TAG_PAD 0 /* Pad option, implicit length 1 */ #define TAG_SUBNETMASK 1 /* RFC 950 subnet mask */ #define TAG_ROUTERS 3 /* Routers (in order of preference) */ #define TAG_HOSTNAME 12 /* Client host name */ #define TAG_ROOT 17 /* Root path */ +#define TAG_INTF_MTU 26 /* Interface MTU Size (RFC2132) */ /* DHCP specific tags */ #define TAG_OVERLOAD 52 /* Option Overload */ #define TAG_MAXMSGSIZE 57 /* Maximum DHCP Message Size */ #define TAG_END 255 /* End Option (i.e. no more options) */ /* Overload values */ #define OVERLOAD_FILE 1 #define OVERLOAD_SNAME 2 /* Site specific tags: */ #define TAG_ROOTOPTS 130 #define TAG_COOKIE 134 /* ascii info for userland, via sysctl */ #define TAG_DHCP_MSGTYPE 53 #define TAG_DHCP_REQ_ADDR 50 #define TAG_DHCP_SERVERID 54 #define TAG_DHCP_LEASETIME 51 #define TAG_VENDOR_INDENTIFIER 60 #define DHCP_NOMSG 0 #define DHCP_DISCOVER 1 #define DHCP_OFFER 2 #define DHCP_REQUEST 3 #define DHCP_ACK 5 /* NFS read/write block size */ #ifndef BOOTP_BLOCKSIZE #define BOOTP_BLOCKSIZE 8192 #endif static char bootp_cookie[128]; static struct socket *bootp_so; SYSCTL_STRING(_kern, OID_AUTO, bootp_cookie, CTLFLAG_RD, bootp_cookie, 0, "Cookie (T134) supplied by bootp server"); /* mountd RPC */ static int md_mount(struct sockaddr_in *mdsin, char *path, u_char *fhp, int *fhsizep, struct nfs_args *args, struct thread *td); static int setfs(struct sockaddr_in *addr, char *path, char *p, const struct in_addr *siaddr); static int getdec(char **ptr); static int getip(char **ptr, struct in_addr *ip); static void mountopts(struct nfs_args *args, char *p); static int xdr_opaque_decode(struct mbuf **ptr, u_char *buf, int len); static int xdr_int_decode(struct mbuf **ptr, int *iptr); static void print_in_addr(struct in_addr addr); static void print_sin_addr(struct sockaddr_in *addr); static void clear_sinaddr(struct sockaddr_in *sin); static void allocifctx(struct bootpc_globalcontext *gctx); static void bootpc_compose_query(struct bootpc_ifcontext *ifctx, struct thread *td); static unsigned char *bootpc_tag(struct bootpc_tagcontext *tctx, struct bootp_packet *bp, int len, int tag); static void bootpc_tag_helper(struct bootpc_tagcontext *tctx, unsigned char *start, int len, int tag); #ifdef BOOTP_DEBUG void bootpboot_p_sa(struct sockaddr *sa, struct sockaddr *ma); void bootpboot_p_rtentry(struct rtentry *rt); void bootpboot_p_tree(struct radix_node *rn); void bootpboot_p_rtlist(void); void bootpboot_p_if(struct ifnet *ifp, struct ifaddr *ifa); void bootpboot_p_iflist(void); #endif static int bootpc_call(struct bootpc_globalcontext *gctx, struct thread *td); static void bootpc_fakeup_interface(struct bootpc_ifcontext *ifctx, struct thread *td); static int bootpc_adjust_interface(struct bootpc_ifcontext *ifctx, struct bootpc_globalcontext *gctx, struct thread *td); static void bootpc_decode_reply(struct nfsv3_diskless *nd, struct bootpc_ifcontext *ifctx, struct bootpc_globalcontext *gctx); static int bootpc_received(struct bootpc_globalcontext *gctx, struct bootpc_ifcontext *ifctx); static __inline int bootpc_ifctx_isresolved(struct bootpc_ifcontext *ifctx); static __inline int bootpc_ifctx_isunresolved(struct bootpc_ifcontext *ifctx); static __inline int bootpc_ifctx_isfailed(struct bootpc_ifcontext *ifctx); /* * In order to have multiple active interfaces with address 0.0.0.0 * and be able to send data to a selected interface, we first set * mask to /8 on all interfaces, and temporarily set it to /0 when * doing sosend(). */ #ifdef BOOTP_DEBUG void bootpboot_p_sa(struct sockaddr *sa, struct sockaddr *ma) { if (sa == NULL) { printf("(sockaddr *) "); return; } switch (sa->sa_family) { case AF_INET: { struct sockaddr_in *sin; sin = (struct sockaddr_in *) sa; printf("inet "); print_sin_addr(sin); if (ma != NULL) { sin = (struct sockaddr_in *) ma; printf(" mask "); print_sin_addr(sin); } } break; case AF_LINK: { struct sockaddr_dl *sli; int i; sli = (struct sockaddr_dl *) sa; printf("link %.*s ", sli->sdl_nlen, sli->sdl_data); for (i = 0; i < sli->sdl_alen; i++) { if (i > 0) printf(":"); printf("%x", ((unsigned char *) LLADDR(sli))[i]); } } break; default: printf("af%d", sa->sa_family); } } void bootpboot_p_rtentry(struct rtentry *rt) { bootpboot_p_sa(rt_key(rt), rt_mask(rt)); printf(" "); bootpboot_p_sa(rt->rt_gateway, NULL); printf(" "); printf("flags %x", (unsigned short) rt->rt_flags); printf(" %d", (int) rt->rt_expire); printf(" %s\n", rt->rt_ifp->if_xname); } void bootpboot_p_tree(struct radix_node *rn) { while (rn != NULL) { if (rn->rn_bit < 0) { if ((rn->rn_flags & RNF_ROOT) != 0) { } else { bootpboot_p_rtentry((struct rtentry *) rn); } rn = rn->rn_dupedkey; } else { bootpboot_p_tree(rn->rn_left); bootpboot_p_tree(rn->rn_right); return; } } } void bootpboot_p_rtlist(void) { struct radix_node_head *rnh; printf("Routing table:\n"); rnh = rt_tables_get_rnh(0, AF_INET); if (rnh == NULL) return; RADIX_NODE_HEAD_RLOCK(rnh); /* could sleep XXX */ bootpboot_p_tree(rnh->rnh_treetop); RADIX_NODE_HEAD_RUNLOCK(rnh); } void bootpboot_p_if(struct ifnet *ifp, struct ifaddr *ifa) { printf("%s flags %x, addr ", ifp->if_xname, ifp->if_flags); print_sin_addr((struct sockaddr_in *) ifa->ifa_addr); printf(", broadcast "); print_sin_addr((struct sockaddr_in *) ifa->ifa_dstaddr); printf(", netmask "); print_sin_addr((struct sockaddr_in *) ifa->ifa_netmask); printf("\n"); } void bootpboot_p_iflist(void) { struct ifnet *ifp; struct ifaddr *ifa; printf("Interface list:\n"); IFNET_RLOCK(); for (ifp = TAILQ_FIRST(&V_ifnet); ifp != NULL; ifp = TAILQ_NEXT(ifp, if_link)) { for (ifa = TAILQ_FIRST(&ifp->if_addrhead); ifa != NULL; ifa = TAILQ_NEXT(ifa, ifa_link)) if (ifa->ifa_addr->sa_family == AF_INET) bootpboot_p_if(ifp, ifa); } IFNET_RUNLOCK(); } #endif /* defined(BOOTP_DEBUG) */ static void clear_sinaddr(struct sockaddr_in *sin) { bzero(sin, sizeof(*sin)); sin->sin_len = sizeof(*sin); sin->sin_family = AF_INET; sin->sin_addr.s_addr = INADDR_ANY; /* XXX: htonl(INAADDR_ANY) ? */ sin->sin_port = 0; } static void allocifctx(struct bootpc_globalcontext *gctx) { struct bootpc_ifcontext *ifctx; ifctx = malloc(sizeof(*ifctx), M_TEMP, M_WAITOK | M_ZERO); ifctx->xid = gctx->xid; #ifdef BOOTP_NO_DHCP ifctx->state = IF_BOOTP_UNRESOLVED; #else ifctx->state = IF_DHCP_UNRESOLVED; #endif gctx->xid += 0x100; STAILQ_INSERT_TAIL(&gctx->interfaces, ifctx, next); } static __inline int bootpc_ifctx_isresolved(struct bootpc_ifcontext *ifctx) { if (ifctx->state == IF_BOOTP_RESOLVED || ifctx->state == IF_DHCP_RESOLVED) return 1; return 0; } static __inline int bootpc_ifctx_isunresolved(struct bootpc_ifcontext *ifctx) { if (ifctx->state == IF_BOOTP_UNRESOLVED || ifctx->state == IF_DHCP_UNRESOLVED) return 1; return 0; } static __inline int bootpc_ifctx_isfailed(struct bootpc_ifcontext *ifctx) { if (ifctx->state == IF_BOOTP_FAILED || ifctx->state == IF_DHCP_FAILED) return 1; return 0; } static int bootpc_received(struct bootpc_globalcontext *gctx, struct bootpc_ifcontext *ifctx) { unsigned char dhcpreplytype; char *p; /* * Need timeout for fallback to less * desirable alternative. */ /* This call used for the side effect (badopt flag) */ (void) bootpc_tag(&gctx->tmptag, &gctx->reply, gctx->replylen, TAG_END); /* If packet is invalid, ignore it */ if (gctx->tmptag.badopt != 0) return 0; p = bootpc_tag(&gctx->tmptag, &gctx->reply, gctx->replylen, TAG_DHCP_MSGTYPE); if (p != NULL) dhcpreplytype = *p; else dhcpreplytype = DHCP_NOMSG; switch (ifctx->dhcpquerytype) { case DHCP_DISCOVER: if (dhcpreplytype != DHCP_OFFER /* Normal DHCP offer */ #ifndef BOOTP_FORCE_DHCP && dhcpreplytype != DHCP_NOMSG /* Fallback to BOOTP */ #endif ) return 0; break; case DHCP_REQUEST: if (dhcpreplytype != DHCP_ACK) return 0; case DHCP_NOMSG: break; } /* Ignore packet unless it gives us a root tag we didn't have */ if ((ifctx->state == IF_BOOTP_RESOLVED || (ifctx->dhcpquerytype == DHCP_DISCOVER && (ifctx->state == IF_DHCP_OFFERED || ifctx->state == IF_DHCP_RESOLVED))) && (bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_ROOT) != NULL || bootpc_tag(&gctx->tmptag, &gctx->reply, gctx->replylen, TAG_ROOT) == NULL)) return 0; bcopy(&gctx->reply, &ifctx->reply, gctx->replylen); ifctx->replylen = gctx->replylen; /* XXX: Only reset if 'perfect' response */ if (ifctx->state == IF_BOOTP_UNRESOLVED) ifctx->state = IF_BOOTP_RESOLVED; else if (ifctx->state == IF_DHCP_UNRESOLVED && ifctx->dhcpquerytype == DHCP_DISCOVER) { if (dhcpreplytype == DHCP_OFFER) ifctx->state = IF_DHCP_OFFERED; else ifctx->state = IF_BOOTP_RESOLVED; /* Fallback */ } else if (ifctx->state == IF_DHCP_OFFERED && ifctx->dhcpquerytype == DHCP_REQUEST) ifctx->state = IF_DHCP_RESOLVED; if (ifctx->dhcpquerytype == DHCP_DISCOVER && ifctx->state != IF_BOOTP_RESOLVED) { p = bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_DHCP_SERVERID); if (p != NULL && gctx->tmptag.taglen == 4) { memcpy(&ifctx->dhcpserver, p, 4); ifctx->gotdhcpserver = 1; } else ifctx->gotdhcpserver = 0; return 1; } ifctx->gotrootpath = (bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_ROOT) != NULL); ifctx->gotgw = (bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_ROUTERS) != NULL); ifctx->gotnetmask = (bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_SUBNETMASK) != NULL); return 1; } static int bootpc_call(struct bootpc_globalcontext *gctx, struct thread *td) { struct sockaddr_in *sin, dst; struct uio auio; struct sockopt sopt; struct iovec aio; int error, on, rcvflg, timo, len; time_t atimo; time_t rtimo; struct timeval tv; struct bootpc_ifcontext *ifctx; int outstanding; int gotrootpath; int retry; const char *s; tv.tv_sec = 1; tv.tv_usec = 0; bzero(&sopt, sizeof(sopt)); sopt.sopt_dir = SOPT_SET; sopt.sopt_level = SOL_SOCKET; sopt.sopt_name = SO_RCVTIMEO; sopt.sopt_val = &tv; sopt.sopt_valsize = sizeof tv; error = sosetopt(bootp_so, &sopt); if (error != 0) goto out; /* * Enable broadcast. */ on = 1; sopt.sopt_name = SO_BROADCAST; sopt.sopt_val = &on; sopt.sopt_valsize = sizeof on; error = sosetopt(bootp_so, &sopt); if (error != 0) goto out; /* * Disable routing. */ on = 1; sopt.sopt_name = SO_DONTROUTE; sopt.sopt_val = &on; sopt.sopt_valsize = sizeof on; error = sosetopt(bootp_so, &sopt); if (error != 0) goto out; /* * Bind the local endpoint to a bootp client port. */ sin = &dst; clear_sinaddr(sin); sin->sin_port = htons(IPPORT_BOOTPC); error = sobind(bootp_so, (struct sockaddr *)sin, td); if (error != 0) { printf("bind failed\n"); goto out; } /* * Setup socket address for the server. */ sin = &dst; clear_sinaddr(sin); sin->sin_addr.s_addr = INADDR_BROADCAST; sin->sin_port = htons(IPPORT_BOOTPS); /* * Send it, repeatedly, until a reply is received, * but delay each re-send by an increasing amount. * If the delay hits the maximum, start complaining. */ timo = 0; rtimo = 0; for (;;) { outstanding = 0; gotrootpath = 0; STAILQ_FOREACH(ifctx, &gctx->interfaces, next) { if (bootpc_ifctx_isresolved(ifctx) != 0 && bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_ROOT) != NULL) gotrootpath = 1; } STAILQ_FOREACH(ifctx, &gctx->interfaces, next) { struct in_aliasreq *ifra = &ifctx->iareq; sin = (struct sockaddr_in *)&ifra->ifra_mask; ifctx->outstanding = 0; if (bootpc_ifctx_isresolved(ifctx) != 0 && gotrootpath != 0) { continue; } if (bootpc_ifctx_isfailed(ifctx) != 0) continue; outstanding++; ifctx->outstanding = 1; /* Proceed to next step in DHCP negotiation */ if ((ifctx->state == IF_DHCP_OFFERED && ifctx->dhcpquerytype != DHCP_REQUEST) || (ifctx->state == IF_DHCP_UNRESOLVED && ifctx->dhcpquerytype != DHCP_DISCOVER) || (ifctx->state == IF_BOOTP_UNRESOLVED && ifctx->dhcpquerytype != DHCP_NOMSG)) { ifctx->sentmsg = 0; bootpc_compose_query(ifctx, td); } /* Send BOOTP request (or re-send). */ if (ifctx->sentmsg == 0) { switch(ifctx->dhcpquerytype) { case DHCP_DISCOVER: s = "DHCP Discover"; break; case DHCP_REQUEST: s = "DHCP Request"; break; case DHCP_NOMSG: default: s = "BOOTP Query"; break; } printf("Sending %s packet from " "interface %s (%*D)\n", s, ifctx->ireq.ifr_name, ifctx->sdl->sdl_alen, (unsigned char *) LLADDR(ifctx->sdl), ":"); ifctx->sentmsg = 1; } aio.iov_base = (caddr_t) &ifctx->call; aio.iov_len = sizeof(ifctx->call); auio.uio_iov = &aio; auio.uio_iovcnt = 1; auio.uio_segflg = UIO_SYSSPACE; auio.uio_rw = UIO_WRITE; auio.uio_offset = 0; auio.uio_resid = sizeof(ifctx->call); auio.uio_td = td; /* Set netmask to 0.0.0.0 */ clear_sinaddr(sin); error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td); if (error != 0) panic("%s: SIOCAIFADDR, error=%d", __func__, error); error = sosend(bootp_so, (struct sockaddr *) &dst, &auio, NULL, NULL, 0, td); if (error != 0) printf("%s: sosend: %d state %08x\n", __func__, error, (int )bootp_so->so_state); /* Set netmask to 255.0.0.0 */ sin->sin_addr.s_addr = htonl(IN_CLASSA_NET); error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td); if (error != 0) panic("%s: SIOCAIFADDR, error=%d", __func__, error); } if (outstanding == 0 && (rtimo == 0 || time_second >= rtimo)) { error = 0; goto out; } /* Determine new timeout. */ if (timo < MAX_RESEND_DELAY) timo++; else { printf("DHCP/BOOTP timeout for server "); print_sin_addr(&dst); printf("\n"); } /* * Wait for up to timo seconds for a reply. * The socket receive timeout was set to 1 second. */ atimo = timo + time_second; while (time_second < atimo) { aio.iov_base = (caddr_t) &gctx->reply; aio.iov_len = sizeof(gctx->reply); auio.uio_iov = &aio; auio.uio_iovcnt = 1; auio.uio_segflg = UIO_SYSSPACE; auio.uio_rw = UIO_READ; auio.uio_offset = 0; auio.uio_resid = sizeof(gctx->reply); auio.uio_td = td; rcvflg = 0; error = soreceive(bootp_so, NULL, &auio, NULL, NULL, &rcvflg); gctx->secs = time_second - gctx->starttime; STAILQ_FOREACH(ifctx, &gctx->interfaces, next) { if (bootpc_ifctx_isresolved(ifctx) != 0 || bootpc_ifctx_isfailed(ifctx) != 0) continue; ifctx->call.secs = htons(gctx->secs); } if (error == EWOULDBLOCK) continue; if (error != 0) goto out; len = sizeof(gctx->reply) - auio.uio_resid; /* Do we have the required number of bytes ? */ if (len < BOOTP_MIN_LEN) continue; gctx->replylen = len; /* Is it a reply? */ if (gctx->reply.op != BOOTP_REPLY) continue; /* Is this an answer to our query */ STAILQ_FOREACH(ifctx, &gctx->interfaces, next) { if (gctx->reply.xid != ifctx->call.xid) continue; /* Same HW address size ? */ if (gctx->reply.hlen != ifctx->call.hlen) continue; /* Correct HW address ? */ if (bcmp(gctx->reply.chaddr, ifctx->call.chaddr, ifctx->call.hlen) != 0) continue; break; } if (ifctx != NULL) { s = bootpc_tag(&gctx->tmptag, &gctx->reply, gctx->replylen, TAG_DHCP_MSGTYPE); if (s != NULL) { switch (*s) { case DHCP_OFFER: s = "DHCP Offer"; break; case DHCP_ACK: s = "DHCP Ack"; break; default: s = "DHCP (unexpected)"; break; } } else s = "BOOTP Reply"; printf("Received %s packet" " on %s from ", s, ifctx->ireq.ifr_name); print_in_addr(gctx->reply.siaddr); if (gctx->reply.giaddr.s_addr != htonl(INADDR_ANY)) { printf(" via "); print_in_addr(gctx->reply.giaddr); } if (bootpc_received(gctx, ifctx) != 0) { printf(" (accepted)"); if (ifctx->outstanding) { ifctx->outstanding = 0; outstanding--; } /* Network settle delay */ if (outstanding == 0) atimo = time_second + BOOTP_SETTLE_DELAY; } else printf(" (ignored)"); if (ifctx->gotrootpath || gctx->any_root_overrides) { gotrootpath = 1; rtimo = time_second + BOOTP_SETTLE_DELAY; if (ifctx->gotrootpath) printf(" (got root path)"); } printf("\n"); } } /* while secs */ #ifdef BOOTP_TIMEOUT if (gctx->secs > BOOTP_TIMEOUT && BOOTP_TIMEOUT > 0) break; #endif /* Force a retry if halfway in DHCP negotiation */ retry = 0; STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (ifctx->state == IF_DHCP_OFFERED) { if (ifctx->dhcpquerytype == DHCP_DISCOVER) retry = 1; else ifctx->state = IF_DHCP_UNRESOLVED; } if (retry != 0) continue; if (gotrootpath != 0) { gctx->gotrootpath = gotrootpath; if (rtimo != 0 && time_second >= rtimo) break; } } /* forever send/receive */ /* * XXX: These are errors of varying seriousness being silently * ignored */ STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (bootpc_ifctx_isresolved(ifctx) == 0) { printf("%s timeout for interface %s\n", ifctx->dhcpquerytype != DHCP_NOMSG ? "DHCP" : "BOOTP", ifctx->ireq.ifr_name); } if (gctx->gotrootpath != 0) { #if 0 printf("Got a root path, ignoring remaining timeout\n"); #endif error = 0; goto out; } #ifndef BOOTP_NFSROOT STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (bootpc_ifctx_isresolved(ifctx) != 0) { error = 0; goto out; } #endif error = ETIMEDOUT; out: return (error); } static void bootpc_fakeup_interface(struct bootpc_ifcontext *ifctx, struct thread *td) { struct ifreq *ifr; struct in_aliasreq *ifra; struct sockaddr_in *sin; int error; ifr = &ifctx->ireq; ifra = &ifctx->iareq; /* * Bring up the interface. * * Get the old interface flags and or IFF_UP into them; if * IFF_UP set blindly, interface selection can be clobbered. */ error = ifioctl(bootp_so, SIOCGIFFLAGS, (caddr_t)ifr, td); if (error != 0) panic("%s: SIOCGIFFLAGS, error=%d", __func__, error); ifr->ifr_flags |= IFF_UP; error = ifioctl(bootp_so, SIOCSIFFLAGS, (caddr_t)ifr, td); if (error != 0) panic("%s: SIOCSIFFLAGS, error=%d", __func__, error); /* * Do enough of ifconfig(8) so that the chosen interface * can talk to the servers. Set address to 0.0.0.0/8 and * broadcast address to local broadcast. */ sin = (struct sockaddr_in *)&ifra->ifra_addr; clear_sinaddr(sin); sin = (struct sockaddr_in *)&ifra->ifra_mask; clear_sinaddr(sin); sin->sin_addr.s_addr = htonl(IN_CLASSA_NET); sin = (struct sockaddr_in *)&ifra->ifra_broadaddr; clear_sinaddr(sin); sin->sin_addr.s_addr = htonl(INADDR_BROADCAST); error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td); if (error != 0) panic("%s: SIOCAIFADDR, error=%d", __func__, error); } static void bootpc_shutdown_interface(struct bootpc_ifcontext *ifctx, struct thread *td) { struct ifreq *ifr; struct sockaddr_in *sin; int error; ifr = &ifctx->ireq; printf("Shutdown interface %s\n", ifctx->ireq.ifr_name); error = ifioctl(bootp_so, SIOCGIFFLAGS, (caddr_t)ifr, td); if (error != 0) panic("%s: SIOCGIFFLAGS, error=%d", __func__, error); ifr->ifr_flags &= ~IFF_UP; error = ifioctl(bootp_so, SIOCSIFFLAGS, (caddr_t)ifr, td); if (error != 0) panic("%s: SIOCSIFFLAGS, error=%d", __func__, error); sin = (struct sockaddr_in *) &ifr->ifr_addr; clear_sinaddr(sin); error = ifioctl(bootp_so, SIOCDIFADDR, (caddr_t) ifr, td); if (error != 0) panic("%s: SIOCDIFADDR, error=%d", __func__, error); } static int bootpc_adjust_interface(struct bootpc_ifcontext *ifctx, struct bootpc_globalcontext *gctx, struct thread *td) { int error; struct sockaddr_in defdst; struct sockaddr_in defmask; struct sockaddr_in *sin; struct ifreq *ifr; struct in_aliasreq *ifra; struct sockaddr_in *myaddr; struct sockaddr_in *netmask; struct sockaddr_in *gw; ifr = &ifctx->ireq; ifra = &ifctx->iareq; myaddr = &ifctx->myaddr; netmask = &ifctx->netmask; gw = &ifctx->gw; if (bootpc_ifctx_isresolved(ifctx) == 0) { /* Shutdown interfaces where BOOTP failed */ bootpc_shutdown_interface(ifctx, td); return (0); } - printf("Adjusted interface %s\n", ifctx->ireq.ifr_name); + printf("Adjusted interface %s", ifctx->ireq.ifr_name); + + /* Do BOOTP interface options */ + if (ifctx->mtu != 0) { + printf(" (MTU=%d%s)", ifctx->mtu, + (ifctx->mtu > 1514) ? "/JUMBO" : ""); + ifr->ifr_mtu = ifctx->mtu; + error = ifioctl(bootp_so, SIOCSIFMTU, (caddr_t) ifr, td); + if (error != 0) + panic("%s: SIOCSIFMTU, error=%d", __func__, error); + } + printf("\n"); + /* * Do enough of ifconfig(8) so that the chosen interface * can talk to the servers. (just set the address) */ sin = (struct sockaddr_in *) &ifr->ifr_addr; clear_sinaddr(sin); error = ifioctl(bootp_so, SIOCDIFADDR, (caddr_t) ifr, td); if (error != 0) panic("%s: SIOCDIFADDR, error=%d", __func__, error); bcopy(myaddr, &ifra->ifra_addr, sizeof(*myaddr)); bcopy(netmask, &ifra->ifra_mask, sizeof(*netmask)); clear_sinaddr(&ifra->ifra_broadaddr); ifra->ifra_broadaddr.sin_addr.s_addr = myaddr->sin_addr.s_addr | ~netmask->sin_addr.s_addr; error = ifioctl(bootp_so, SIOCAIFADDR, (caddr_t)ifra, td); if (error != 0) panic("%s: SIOCAIFADDR, error=%d", __func__, error); /* Add new default route */ if (ifctx->gotgw != 0 || gctx->gotgw == 0) { clear_sinaddr(&defdst); clear_sinaddr(&defmask); /* XXX MRT just table 0 */ error = rtrequest_fib(RTM_ADD, (struct sockaddr *) &defdst, (struct sockaddr *) gw, (struct sockaddr *) &defmask, (RTF_UP | RTF_GATEWAY | RTF_STATIC), NULL, RT_DEFAULT_FIB); if (error != 0) { printf("%s: RTM_ADD, error=%d\n", __func__, error); return (error); } } return (0); } static int setfs(struct sockaddr_in *addr, char *path, char *p, const struct in_addr *siaddr) { if (getip(&p, &addr->sin_addr) == 0) { if (siaddr != NULL && *p == '/') bcopy(siaddr, &addr->sin_addr, sizeof(struct in_addr)); else return 0; } else { if (*p != ':') return 0; p++; } addr->sin_len = sizeof(struct sockaddr_in); addr->sin_family = AF_INET; strlcpy(path, p, MNAMELEN); return 1; } static int getip(char **ptr, struct in_addr *addr) { char *p; unsigned int ip; int val; p = *ptr; ip = 0; if (((val = getdec(&p)) < 0) || (val > 255)) return 0; ip = val << 24; if (*p != '.') return 0; p++; if (((val = getdec(&p)) < 0) || (val > 255)) return 0; ip |= (val << 16); if (*p != '.') return 0; p++; if (((val = getdec(&p)) < 0) || (val > 255)) return 0; ip |= (val << 8); if (*p != '.') return 0; p++; if (((val = getdec(&p)) < 0) || (val > 255)) return 0; ip |= val; addr->s_addr = htonl(ip); *ptr = p; return 1; } static int getdec(char **ptr) { char *p; int ret; p = *ptr; ret = 0; if ((*p < '0') || (*p > '9')) return -1; while ((*p >= '0') && (*p <= '9')) { ret = ret * 10 + (*p - '0'); p++; } *ptr = p; return ret; } static void mountopts(struct nfs_args *args, char *p) { args->version = NFS_ARGSVERSION; args->rsize = BOOTP_BLOCKSIZE; args->wsize = BOOTP_BLOCKSIZE; args->flags = NFSMNT_RSIZE | NFSMNT_WSIZE | NFSMNT_RESVPORT; args->sotype = SOCK_DGRAM; if (p != NULL) nfs_parse_options(p, args); } static int xdr_opaque_decode(struct mbuf **mptr, u_char *buf, int len) { struct mbuf *m; int alignedlen; m = *mptr; alignedlen = ( len + 3 ) & ~3; if (m->m_len < alignedlen) { m = m_pullup(m, alignedlen); if (m == NULL) { *mptr = NULL; return EBADRPC; } } bcopy(mtod(m, u_char *), buf, len); m_adj(m, alignedlen); *mptr = m; return 0; } static int xdr_int_decode(struct mbuf **mptr, int *iptr) { u_int32_t i; if (xdr_opaque_decode(mptr, (u_char *) &i, sizeof(u_int32_t)) != 0) return EBADRPC; *iptr = fxdr_unsigned(u_int32_t, i); return 0; } static void print_sin_addr(struct sockaddr_in *sin) { print_in_addr(sin->sin_addr); } static void print_in_addr(struct in_addr addr) { unsigned int ip; ip = ntohl(addr.s_addr); printf("%d.%d.%d.%d", ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255); } static void bootpc_compose_query(struct bootpc_ifcontext *ifctx, struct thread *td) { unsigned char *vendp; unsigned char vendor_client[64]; uint32_t leasetime; uint8_t vendor_client_len; ifctx->gotrootpath = 0; bzero((caddr_t) &ifctx->call, sizeof(ifctx->call)); /* bootpc part */ ifctx->call.op = BOOTP_REQUEST; /* BOOTREQUEST */ ifctx->call.htype = 1; /* 10mb ethernet */ ifctx->call.hlen = ifctx->sdl->sdl_alen;/* Hardware address length */ ifctx->call.hops = 0; if (bootpc_ifctx_isunresolved(ifctx) != 0) ifctx->xid++; ifctx->call.xid = txdr_unsigned(ifctx->xid); bcopy(LLADDR(ifctx->sdl), &ifctx->call.chaddr, ifctx->sdl->sdl_alen); vendp = ifctx->call.vend; *vendp++ = 99; /* RFC1048 cookie */ *vendp++ = 130; *vendp++ = 83; *vendp++ = 99; *vendp++ = TAG_MAXMSGSIZE; *vendp++ = 2; *vendp++ = (sizeof(struct bootp_packet) >> 8) & 255; *vendp++ = sizeof(struct bootp_packet) & 255; snprintf(vendor_client, sizeof(vendor_client), "%s:%s:%s", ostype, MACHINE, osrelease); vendor_client_len = strlen(vendor_client); *vendp++ = TAG_VENDOR_INDENTIFIER; *vendp++ = vendor_client_len; memcpy(vendp, vendor_client, vendor_client_len); vendp += vendor_client_len; ifctx->dhcpquerytype = DHCP_NOMSG; switch (ifctx->state) { case IF_DHCP_UNRESOLVED: *vendp++ = TAG_DHCP_MSGTYPE; *vendp++ = 1; *vendp++ = DHCP_DISCOVER; ifctx->dhcpquerytype = DHCP_DISCOVER; ifctx->gotdhcpserver = 0; break; case IF_DHCP_OFFERED: *vendp++ = TAG_DHCP_MSGTYPE; *vendp++ = 1; *vendp++ = DHCP_REQUEST; ifctx->dhcpquerytype = DHCP_REQUEST; *vendp++ = TAG_DHCP_REQ_ADDR; *vendp++ = 4; memcpy(vendp, &ifctx->reply.yiaddr, 4); vendp += 4; if (ifctx->gotdhcpserver != 0) { *vendp++ = TAG_DHCP_SERVERID; *vendp++ = 4; memcpy(vendp, &ifctx->dhcpserver, 4); vendp += 4; } *vendp++ = TAG_DHCP_LEASETIME; *vendp++ = 4; leasetime = htonl(300); memcpy(vendp, &leasetime, 4); vendp += 4; break; default: break; } *vendp = TAG_END; ifctx->call.secs = 0; ifctx->call.flags = htons(0x8000); /* We need a broadcast answer */ } static int bootpc_hascookie(struct bootp_packet *bp) { return (bp->vend[0] == 99 && bp->vend[1] == 130 && bp->vend[2] == 83 && bp->vend[3] == 99); } static void bootpc_tag_helper(struct bootpc_tagcontext *tctx, unsigned char *start, int len, int tag) { unsigned char *j; unsigned char *ej; unsigned char code; if (tctx->badtag != 0 || tctx->badopt != 0) return; j = start; ej = j + len; while (j < ej) { code = *j++; if (code == TAG_PAD) continue; if (code == TAG_END) return; if (j >= ej || j + *j + 1 > ej) { tctx->badopt = 1; return; } len = *j++; if (code == tag) { if (tctx->taglen + len > TAG_MAXLEN) { tctx->badtag = 1; return; } tctx->foundopt = 1; if (len > 0) memcpy(tctx->buf + tctx->taglen, j, len); tctx->taglen += len; } if (code == TAG_OVERLOAD) tctx->overload = *j; j += len; } } static unsigned char * bootpc_tag(struct bootpc_tagcontext *tctx, struct bootp_packet *bp, int len, int tag) { tctx->overload = 0; tctx->badopt = 0; tctx->badtag = 0; tctx->foundopt = 0; tctx->taglen = 0; if (bootpc_hascookie(bp) == 0) return NULL; bootpc_tag_helper(tctx, &bp->vend[4], (unsigned char *) bp + len - &bp->vend[4], tag); if ((tctx->overload & OVERLOAD_FILE) != 0) bootpc_tag_helper(tctx, (unsigned char *) bp->file, sizeof(bp->file), tag); if ((tctx->overload & OVERLOAD_SNAME) != 0) bootpc_tag_helper(tctx, (unsigned char *) bp->sname, sizeof(bp->sname), tag); if (tctx->badopt != 0 || tctx->badtag != 0 || tctx->foundopt == 0) return NULL; tctx->buf[tctx->taglen] = '\0'; return tctx->buf; } static void bootpc_decode_reply(struct nfsv3_diskless *nd, struct bootpc_ifcontext *ifctx, struct bootpc_globalcontext *gctx) { char *p, *s; unsigned int ip; ifctx->gotgw = 0; ifctx->gotnetmask = 0; clear_sinaddr(&ifctx->myaddr); clear_sinaddr(&ifctx->netmask); clear_sinaddr(&ifctx->gw); ifctx->myaddr.sin_addr = ifctx->reply.yiaddr; ip = ntohl(ifctx->myaddr.sin_addr.s_addr); printf("%s at ", ifctx->ireq.ifr_name); print_sin_addr(&ifctx->myaddr); printf(" server "); print_in_addr(ifctx->reply.siaddr); ifctx->gw.sin_addr = ifctx->reply.giaddr; if (ifctx->reply.giaddr.s_addr != htonl(INADDR_ANY)) { printf(" via gateway "); print_in_addr(ifctx->reply.giaddr); } /* This call used for the side effect (overload flag) */ (void) bootpc_tag(&gctx->tmptag, &ifctx->reply, ifctx->replylen, TAG_END); if ((gctx->tmptag.overload & OVERLOAD_SNAME) == 0) if (ifctx->reply.sname[0] != '\0') printf(" server name %s", ifctx->reply.sname); if ((gctx->tmptag.overload & OVERLOAD_FILE) == 0) if (ifctx->reply.file[0] != '\0') printf(" boot file %s", ifctx->reply.file); printf("\n"); p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_SUBNETMASK); if (p != NULL) { if (gctx->tag.taglen != 4) panic("bootpc: subnet mask len is %d", gctx->tag.taglen); bcopy(p, &ifctx->netmask.sin_addr, 4); ifctx->gotnetmask = 1; printf("subnet mask "); print_sin_addr(&ifctx->netmask); printf(" "); } p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_ROUTERS); if (p != NULL) { /* Routers */ if (gctx->tag.taglen % 4) panic("bootpc: Router Len is %d", gctx->tag.taglen); if (gctx->tag.taglen > 0) { bcopy(p, &ifctx->gw.sin_addr, 4); printf("router "); print_sin_addr(&ifctx->gw); printf(" "); ifctx->gotgw = 1; gctx->gotgw = 1; } } /* * Choose a root filesystem. If a value is forced in the environment * and it contains "nfs:", use it unconditionally. Otherwise, if the * kernel is compiled with the ROOTDEVNAME option, then use it if: * - The server doesn't provide a pathname. * - The boothowto flags include RB_DFLTROOT (user said to override * the server value). */ p = NULL; if ((s = getenv("vfs.root.mountfrom")) != NULL) { if ((p = strstr(s, "nfs:")) != NULL) p = strdup(p + 4, M_TEMP); freeenv(s); } if (p == NULL) { p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_ROOT); } #ifdef ROOTDEVNAME if ((p == NULL || (boothowto & RB_DFLTROOT) != 0) && (p = strstr(ROOTDEVNAME, "nfs:")) != NULL) { p += 4; } #endif if (p != NULL) { if (gctx->setrootfs != NULL) { printf("rootfs %s (ignored) ", p); } else if (setfs(&nd->root_saddr, nd->root_hostnam, p, &ifctx->reply.siaddr)) { if (*p == '/') { printf("root_server "); print_sin_addr(&nd->root_saddr); printf(" "); } printf("rootfs %s ", p); gctx->gotrootpath = 1; ifctx->gotrootpath = 1; gctx->setrootfs = ifctx; p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_ROOTOPTS); if (p != NULL) { mountopts(&nd->root_args, p); printf("rootopts %s ", p); } } else panic("Failed to set rootfs to %s", p); } p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_HOSTNAME); if (p != NULL) { if (gctx->tag.taglen >= MAXHOSTNAMELEN) panic("bootpc: hostname >= %d bytes", MAXHOSTNAMELEN); if (gctx->sethostname != NULL) { printf("hostname %s (ignored) ", p); } else { strcpy(nd->my_hostnam, p); mtx_lock(&prison0.pr_mtx); strcpy(prison0.pr_hostname, p); mtx_unlock(&prison0.pr_mtx); printf("hostname %s ", p); gctx->sethostname = ifctx; } } p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, TAG_COOKIE); if (p != NULL) { /* store in a sysctl variable */ int i, l = sizeof(bootp_cookie) - 1; for (i = 0; i < l && p[i] != '\0'; i++) bootp_cookie[i] = p[i]; p[i] = '\0'; } + p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen, + TAG_INTF_MTU); + if (p != NULL) { + ifctx->mtu = be16dec(p); + } printf("\n"); if (ifctx->gotnetmask == 0) { if (IN_CLASSA(ntohl(ifctx->myaddr.sin_addr.s_addr))) ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSA_NET); else if (IN_CLASSB(ntohl(ifctx->myaddr.sin_addr.s_addr))) ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSB_NET); else ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSC_NET); } if (ifctx->gotgw == 0) { /* Use proxyarp */ ifctx->gw.sin_addr.s_addr = ifctx->myaddr.sin_addr.s_addr; } } void bootpc_init(void) { struct bootpc_ifcontext *ifctx; /* Interface BOOTP contexts */ struct bootpc_globalcontext *gctx; /* Global BOOTP context */ struct ifnet *ifp; struct sockaddr_dl *sdl; struct ifaddr *ifa; int error; #ifndef BOOTP_WIRED_TO int ifcnt; #endif struct nfsv3_diskless *nd; struct thread *td; int timeout; int delay; timeout = BOOTP_IFACE_WAIT_TIMEOUT * hz; delay = hz / 10; nd = &nfsv3_diskless; td = curthread; /* * If already filled in, don't touch it here */ if (nfs_diskless_valid != 0) return; gctx = malloc(sizeof(*gctx), M_TEMP, M_WAITOK | M_ZERO); STAILQ_INIT(&gctx->interfaces); gctx->xid = ~0xFFFF; gctx->starttime = time_second; /* * If ROOTDEVNAME is defined or vfs.root.mountfrom is set then we have * root-path overrides that can potentially let us boot even if we don't * get a root path from the server, so we can treat that as a non-error. */ #ifdef ROOTDEVNAME gctx->any_root_overrides = 1; #else gctx->any_root_overrides = testenv("vfs.root.mountfrom"); #endif /* * Find a network interface. */ CURVNET_SET(TD_TO_VNET(td)); #ifdef BOOTP_WIRED_TO printf("%s: wired to interface '%s'\n", __func__, __XSTRING(BOOTP_WIRED_TO)); allocifctx(gctx); #else /* * Preallocate interface context storage, if another interface * attaches and wins the race, it won't be eligible for bootp. */ ifcnt = 0; IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { if ((ifp->if_flags & (IFF_LOOPBACK | IFF_POINTOPOINT | IFF_BROADCAST)) != IFF_BROADCAST) continue; switch (ifp->if_alloctype) { case IFT_ETHER: case IFT_FDDI: case IFT_ISO88025: break; default: continue; } ifcnt++; } IFNET_RUNLOCK(); if (ifcnt == 0) panic("%s: no eligible interfaces", __func__); for (; ifcnt > 0; ifcnt--) allocifctx(gctx); #endif retry: ifctx = STAILQ_FIRST(&gctx->interfaces); IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { if (ifctx == NULL) break; #ifdef BOOTP_WIRED_TO if (strcmp(ifp->if_xname, __XSTRING(BOOTP_WIRED_TO)) != 0) continue; #else if ((ifp->if_flags & (IFF_LOOPBACK | IFF_POINTOPOINT | IFF_BROADCAST)) != IFF_BROADCAST) continue; switch (ifp->if_alloctype) { case IFT_ETHER: case IFT_FDDI: case IFT_ISO88025: break; default: continue; } #endif strlcpy(ifctx->ireq.ifr_name, ifp->if_xname, sizeof(ifctx->ireq.ifr_name)); ifctx->ifp = ifp; /* Get HW address */ sdl = NULL; TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) if (ifa->ifa_addr->sa_family == AF_LINK) { sdl = (struct sockaddr_dl *)ifa->ifa_addr; if (sdl->sdl_type == IFT_ETHER) break; } if (sdl == NULL) panic("bootpc: Unable to find HW address for %s", ifctx->ireq.ifr_name); ifctx->sdl = sdl; ifctx = STAILQ_NEXT(ifctx, next); } IFNET_RUNLOCK(); CURVNET_RESTORE(); if (STAILQ_EMPTY(&gctx->interfaces) || STAILQ_FIRST(&gctx->interfaces)->ifp == NULL) { if (timeout > 0) { pause("bootpc", delay); timeout -= delay; goto retry; } #ifdef BOOTP_WIRED_TO panic("%s: Could not find interface specified " "by BOOTP_WIRED_TO: " __XSTRING(BOOTP_WIRED_TO), __func__); #else panic("%s: no suitable interface", __func__); #endif } error = socreate(AF_INET, &bootp_so, SOCK_DGRAM, 0, td->td_ucred, td); if (error != 0) panic("%s: socreate, error=%d", __func__, error); STAILQ_FOREACH(ifctx, &gctx->interfaces, next) bootpc_fakeup_interface(ifctx, td); STAILQ_FOREACH(ifctx, &gctx->interfaces, next) bootpc_compose_query(ifctx, td); error = bootpc_call(gctx, td); if (error != 0) { printf("BOOTP call failed\n"); } mountopts(&nd->root_args, NULL); STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (bootpc_ifctx_isresolved(ifctx) != 0) bootpc_decode_reply(nd, ifctx, gctx); #ifdef BOOTP_NFSROOT if (gctx->gotrootpath == 0 && gctx->any_root_overrides == 0) panic("bootpc: No root path offered"); #endif STAILQ_FOREACH(ifctx, &gctx->interfaces, next) bootpc_adjust_interface(ifctx, gctx, td); soclose(bootp_so); STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (ifctx->gotrootpath != 0) break; if (ifctx == NULL) { STAILQ_FOREACH(ifctx, &gctx->interfaces, next) if (bootpc_ifctx_isresolved(ifctx) != 0) break; } if (ifctx == NULL) goto out; if (gctx->gotrootpath != 0) { setenv("boot.netif.name", ifctx->ifp->if_xname); error = md_mount(&nd->root_saddr, nd->root_hostnam, nd->root_fh, &nd->root_fhsize, &nd->root_args, td); if (error != 0) { if (gctx->any_root_overrides == 0) panic("nfs_boot: mount root, error=%d", error); else goto out; } rootdevnames[0] = "nfs:"; #ifdef NFSCLIENT rootdevnames[1] = "oldnfs:"; #endif nfs_diskless_valid = 3; } strcpy(nd->myif.ifra_name, ifctx->ireq.ifr_name); bcopy(&ifctx->myaddr, &nd->myif.ifra_addr, sizeof(ifctx->myaddr)); bcopy(&ifctx->myaddr, &nd->myif.ifra_broadaddr, sizeof(ifctx->myaddr)); ((struct sockaddr_in *) &nd->myif.ifra_broadaddr)->sin_addr.s_addr = ifctx->myaddr.sin_addr.s_addr | ~ ifctx->netmask.sin_addr.s_addr; bcopy(&ifctx->netmask, &nd->myif.ifra_mask, sizeof(ifctx->netmask)); out: while((ifctx = STAILQ_FIRST(&gctx->interfaces)) != NULL) { STAILQ_REMOVE_HEAD(&gctx->interfaces, next); free(ifctx, M_TEMP); } free(gctx, M_TEMP); } /* * RPC: mountd/mount * Given a server pathname, get an NFS file handle. * Also, sets sin->sin_port to the NFS service port. */ static int md_mount(struct sockaddr_in *mdsin, char *path, u_char *fhp, int *fhsizep, struct nfs_args *args, struct thread *td) { struct mbuf *m; int error; int authunixok; int authcount; int authver; #define RPCPROG_MNT 100005 #define RPCMNT_VER1 1 #define RPCMNT_VER3 3 #define RPCMNT_MOUNT 1 #define AUTH_SYS 1 /* unix style (uid, gids) */ #define AUTH_UNIX AUTH_SYS /* XXX honor v2/v3 flags in args->flags? */ #ifdef BOOTP_NFSV3 /* First try NFS v3 */ /* Get port number for MOUNTD. */ error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER3, &mdsin->sin_port, td); if (error == 0) { m = xdr_string_encode(path, strlen(path)); /* Do RPC to mountd. */ error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER3, RPCMNT_MOUNT, &m, NULL, td); } if (error == 0) { args->flags |= NFSMNT_NFSV3; } else { #endif /* Fallback to NFS v2 */ /* Get port number for MOUNTD. */ error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER1, &mdsin->sin_port, td); if (error != 0) return error; m = xdr_string_encode(path, strlen(path)); /* Do RPC to mountd. */ error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER1, RPCMNT_MOUNT, &m, NULL, td); if (error != 0) return error; /* message already freed */ #ifdef BOOTP_NFSV3 } #endif if (xdr_int_decode(&m, &error) != 0 || error != 0) goto bad; if ((args->flags & NFSMNT_NFSV3) != 0) { if (xdr_int_decode(&m, fhsizep) != 0 || *fhsizep > NFSX_V3FHMAX || *fhsizep <= 0) goto bad; } else *fhsizep = NFSX_V2FH; if (xdr_opaque_decode(&m, fhp, *fhsizep) != 0) goto bad; if (args->flags & NFSMNT_NFSV3) { if (xdr_int_decode(&m, &authcount) != 0) goto bad; authunixok = 0; if (authcount < 0 || authcount > 100) goto bad; while (authcount > 0) { if (xdr_int_decode(&m, &authver) != 0) goto bad; if (authver == AUTH_UNIX) authunixok = 1; authcount--; } if (authunixok == 0) goto bad; } /* Set port number for NFS use. */ error = krpc_portmap(mdsin, NFS_PROG, (args->flags & NFSMNT_NFSV3) ? NFS_VER3 : NFS_VER2, &mdsin->sin_port, td); goto out; bad: error = EBADRPC; out: m_freem(m); return error; } SYSINIT(bootp_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, bootpc_init, NULL); Index: stable/10 =================================================================== --- stable/10 (revision 301055) +++ stable/10 (revision 301056) Property changes on: stable/10 ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r297147-297151