diff --git a/tests/sys/net/routing/rtsock_print.h b/tests/sys/net/routing/rtsock_print.h index b44fcca25053..20bb1c51bc33 100644 --- a/tests/sys/net/routing/rtsock_print.h +++ b/tests/sys/net/routing/rtsock_print.h @@ -1,384 +1,414 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2019 Alexander V. Chernikov * * 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. * * $FreeBSD$ */ #ifndef _NET_ROUTING_RTSOCK_PRINT_H_ #define _NET_ROUTING_RTSOCK_PRINT_H_ #define RLOG(_fmt, ...) printf("%s: " _fmt "\n", __func__, ##__VA_ARGS__) #define RLOG_ERRNO(_fmt, ...) do { \ printf("%s: " _fmt, __func__, ##__VA_ARGS__); \ printf(": %s\n", strerror(errno)); \ } while(0) #define RTSOCK_ATF_REQUIRE_MSG(_rtm, _cond, _fmt, ...) do { \ if (!(_cond)) { \ printf("-- CONDITION FAILED, rtm dump --\n\n");\ - rtsock_print_message(_rtm); \ + rtsock_print_message(_rtm); \ + rtsock_print_table(AF_INET); \ + rtsock_print_table(AF_INET6); \ + printf("===================================\n");\ } \ ATF_REQUIRE_MSG(_cond, _fmt, ##__VA_ARGS__); \ } while (0); #define RTSOCKHD_ATF_REQUIRE_MSG(_rtm, _cond, _fmt, ...) do { \ if (!(_cond)) { \ printf("-- CONDITION FAILED, rtm hexdump--\n\n");\ rtsock_print_message_hd(_rtm); \ } \ ATF_REQUIRE_MSG(_cond, _fmt, ##__VA_ARGS__); \ } while (0); /* from route.c */ static const char *const msgtypes[] = { "", "RTM_ADD", "RTM_DELETE", "RTM_CHANGE", "RTM_GET", "RTM_LOSING", "RTM_REDIRECT", "RTM_MISS", "RTM_LOCK", "RTM_OLDADD", "RTM_OLDDEL", "RTM_RESOLVE", "RTM_NEWADDR", "RTM_DELADDR", "RTM_IFINFO", "RTM_NEWMADDR", "RTM_DELMADDR", "RTM_IFANNOUNCE", "RTM_IEEE80211", }; static const char metricnames[] = "\011weight\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire" "\1mtu"; static const char routeflags[] = "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE" "\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE" "\017PROTO2\020PROTO1\021PRCLONING\022WASCLONED\023PROTO3" "\024FIXEDMTU\025PINNED\026LOCAL\027BROADCAST\030MULTICAST\035STICKY"; static const char ifnetflags[] = "\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5PTP\6b6\7RUNNING\010NOARP" "\011PPROMISC\012ALLMULTI\013OACTIVE\014SIMPLEX\015LINK0\016LINK1" "\017LINK2\020MULTICAST"; static const char addrnames[] = "\1DST\2GATEWAY\3NETMASK\4GENMASK\5IFP\6IFA\7AUTHOR\010BRD"; static int _printb(char *buf, size_t bufsize, int b, const char *str) { int i; int gotsome = 0; char *pbuf = buf; if (b == 0) { *pbuf = '\0'; return (0); } while ((i = *str++) != 0) { if (b & (1 << (i-1))) { if (gotsome == 0) i = '<'; else i = ','; *pbuf++ = i; gotsome = 1; for (; (i = *str) > 32; str++) *pbuf++ = i; } else while (*str > 32) str++; } if (gotsome) *pbuf++ = '>'; *pbuf = '\0'; return (int)(pbuf - buf); } const char * rtsock_print_cmdtype(int cmd) { return (msgtypes[cmd]); } char * rtsock_print_rtm_flags(char *buf, int buflen, int rtm_flags) { _printb(buf, buflen, rtm_flags, routeflags); return (buf); } #define _PRINTX(fmt, ...) do { \ one_len = snprintf(ptr, rem_len, fmt, __VA_ARGS__); \ ptr += one_len; \ rem_len -= one_len; \ } while(0) void sa_print_hd(char *buf, int buflen, const char *data, int len) { char *ptr; int one_len, rem_len; ptr = buf; rem_len = buflen; const char *last_char = NULL; unsigned char v; int repeat_count = 0; for (int i = 0; i < len; i++) { if (last_char && *last_char == data[i] && data[i] == 0x00) { repeat_count++; continue; } if (repeat_count > 1) { _PRINTX("{%d}", repeat_count); repeat_count = 0; } v = ((const unsigned char *)data)[i]; if (last_char == NULL) _PRINTX("x%02X", v); else _PRINTX(", x%02X", v); last_char = &data[i]; repeat_count = 1; } if (repeat_count > 1) snprintf(ptr, rem_len, "{%d}", repeat_count); } #undef _PRINTX void sa_print(const struct sockaddr *sa, int include_hexdump) { char hdbuf[512], abuf[64]; char ifbuf[128]; const struct sockaddr_dl *sdl; const struct sockaddr_in6 *sin6; const struct sockaddr_in *sin; int i; switch (sa->sa_family) { case AF_INET: sin = (struct sockaddr_in *)sa; inet_ntop(AF_INET, &sin->sin_addr, abuf, sizeof(abuf)); printf(" af=inet len=%d addr=%s", sa->sa_len, abuf); break; case AF_INET6: sin6 = (struct sockaddr_in6 *)sa; inet_ntop(AF_INET6, &sin6->sin6_addr, abuf, sizeof(abuf)); int scope_id = sin6->sin6_scope_id; printf(" af=inet6 len=%d addr=%s", sa->sa_len, abuf); if (scope_id != 0) { memset(ifbuf, 0, sizeof(ifbuf)); if_indextoname(scope_id, ifbuf); printf(" scope_id=%d if_name=%s", scope_id, ifbuf); } break; case AF_LINK: sdl = (const struct sockaddr_dl *)sa; int sdl_index = sdl->sdl_index; if (sdl_index != 0) { memset(ifbuf, 0, sizeof(ifbuf)); if_indextoname(sdl_index, ifbuf); printf(" af=link len=%d sdl_index=%d if_name=%s", sdl->sdl_len, sdl_index, ifbuf); } if (sdl->sdl_nlen) { char _ifname[IFNAMSIZ]; memcpy(_ifname, sdl->sdl_data, sdl->sdl_nlen); _ifname[sdl->sdl_nlen] = '\0'; printf(" name=%s", _ifname); } if (sdl->sdl_alen) { printf(" addr="); const char *lladdr = LLADDR(sdl); for (int i = 0; i < sdl->sdl_alen; i++) { if (i + 1 < sdl->sdl_alen) printf("%02X:", ((const unsigned char *)lladdr)[i]); else printf("%02X", ((const unsigned char *)lladdr)[i]); } } break; default: printf(" af=%d len=%d", sa->sa_family, sa->sa_len); } if (include_hexdump) { sa_print_hd(hdbuf, sizeof(hdbuf), ((char *)sa), sa->sa_len); printf(" hd={%s}", hdbuf); } printf("\n"); } /* got message of size 240 on Mon Dec 16 09:23:31 2019 RTM_ADD: Add Route: len 240, pid: 25534, seq 2, errno 0, flags: locks: inits: sockaddrs: */ void rtsock_print_rtm(struct rt_msghdr *rtm) { struct timeval tv; struct tm tm_res; char buf[64]; gettimeofday(&tv, NULL); localtime_r(&tv.tv_sec, &tm_res); strftime(buf, sizeof(buf), "%F %T", &tm_res); printf("Got message of size %hu on %s\n", rtm->rtm_msglen, buf); char flags_buf[256]; rtsock_print_rtm_flags(flags_buf, sizeof(flags_buf), rtm->rtm_flags); printf("%s: len %hu, pid: %d, seq %d, errno %d, flags: %s\n", msgtypes[rtm->rtm_type], rtm->rtm_msglen, rtm->rtm_pid, rtm->rtm_seq, rtm->rtm_errno, flags_buf); if (rtm->rtm_inits > 0) { _printb(flags_buf, sizeof(flags_buf), rtm->rtm_inits, metricnames); printf("metrics: %s\n", flags_buf); if (rtm->rtm_inits & RTV_MTU) printf("mtu: %lu\n", rtm->rtm_rmx.rmx_mtu); if (rtm->rtm_inits & RTV_EXPIRE) { struct timeval tv; gettimeofday(&tv, NULL); printf("expire: %d (%lu raw)\n", (int)(rtm->rtm_rmx.rmx_expire - tv.tv_sec), rtm->rtm_rmx.rmx_expire); } } _printb(flags_buf, sizeof(flags_buf), rtm->rtm_addrs, addrnames); printf("sockaddrs: 0x%X %s\n", rtm->rtm_addrs, flags_buf); char *ptr = (char *)(rtm + 1); for (int i = 0; i < RTAX_MAX; i++) { if (rtm->rtm_addrs & (1 << i)) { struct sockaddr *sa = (struct sockaddr *)ptr; sa_print(sa, 1); /* add */ ptr += ALIGN(((struct sockaddr *)ptr)->sa_len); } } printf("\n"); } void rtsock_print_ifa(struct ifa_msghdr *ifam) { struct timeval tv; struct tm tm_res; char buf[64]; gettimeofday(&tv, NULL); localtime_r(&tv.tv_sec, &tm_res); strftime(buf, sizeof(buf), "%F %T", &tm_res); printf("Got message of size %hu on %s\n", ifam->ifam_msglen, buf); char flags_buf[256]; _printb(flags_buf, sizeof(flags_buf), ifam->ifam_flags, routeflags); printf("%s: len %hu, ifindex: %d, flags: %s\n", msgtypes[ifam->ifam_type], ifam->ifam_msglen, ifam->ifam_index, flags_buf); _printb(flags_buf, sizeof(flags_buf), ifam->ifam_addrs, addrnames); printf("sockaddrs: 0x%X %s\n", ifam->ifam_addrs, flags_buf); char *ptr = (char *)(ifam + 1); for (int i = 0; i < RTAX_MAX; i++) { if (ifam->ifam_addrs & (1 << i)) { struct sockaddr *sa = (struct sockaddr *)ptr; sa_print(sa, 1); /* add */ ptr += ALIGN(((struct sockaddr *)ptr)->sa_len); } } printf("\n"); } void rtsock_print_message_hd(struct rt_msghdr *rtm) { struct timeval tv; struct tm tm_res; char buf[64]; char dumpbuf[2048]; gettimeofday(&tv, NULL); localtime_r(&tv.tv_sec, &tm_res); strftime(buf, sizeof(buf), "%F %T", &tm_res); printf("Got message type %s of size %hu on %s\n", rtsock_print_cmdtype(rtm->rtm_type), rtm->rtm_msglen, buf); sa_print_hd(dumpbuf, sizeof(dumpbuf), (char *)rtm, rtm->rtm_msglen); printf(" %s\n", dumpbuf); } void rtsock_print_message(struct rt_msghdr *rtm) { switch (rtm->rtm_type) { case RTM_GET: case RTM_ADD: case RTM_DELETE: case RTM_CHANGE: rtsock_print_rtm(rtm); break; case RTM_DELADDR: case RTM_NEWADDR: rtsock_print_ifa((struct ifa_msghdr *)rtm); break; default: printf("unknown rt message type %X\n", rtm->rtm_type); } } +static void +print_command(char *cmd) +{ + char line[1024]; + + FILE *fp = popen(cmd, "r"); + if (fp != NULL) { + while (fgets(line, sizeof(line), fp) != NULL) + printf("%s", line); + pclose(fp); + } +} + +void +rtsock_print_table(int family) +{ + char cmdbuf[128]; + char *key = (family == AF_INET) ? "4" : "6"; + + snprintf(cmdbuf, sizeof(cmdbuf), "/usr/bin/netstat -%srnW", key); + printf("==== %s ===\n", cmdbuf); + print_command(cmdbuf); + snprintf(cmdbuf, sizeof(cmdbuf), "/usr/bin/netstat -%sonW", key); + printf("==== %s ===\n", cmdbuf); + print_command(cmdbuf); +} + #endif