Index: projects/pnfs-planb-server/usr.bin/pnfsdsfile/pnfsdsfile.c =================================================================== --- projects/pnfs-planb-server/usr.bin/pnfsdsfile/pnfsdsfile.c (revision 323162) +++ projects/pnfs-planb-server/usr.bin/pnfsdsfile/pnfsdsfile.c (revision 323163) @@ -1,233 +1,249 @@ /*- * Copyright (c) 2017 Rick Macklem * 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 +#include +#include #include static void usage(void); static struct option longopts[] = { { "changeds", required_argument, NULL, 'c' }, { "quiet", no_argument, NULL, 'q' }, { "ds", required_argument, NULL, 's' }, { "zerofh", no_argument, NULL, 'z' }, { NULL, 0, NULL, 0 } }; /* * This program displays the location information of a data storage file * for a given file on a MetaData Server (MDS) in a pNFS service. This program * must be run on the MDS and the file argument must be a file in a local * file system that has been exported for the pNFS service. */ int main(int argc, char *argv[]) { struct addrinfo *res, *ad, *newres; struct sockaddr_in *sin, *adsin; struct sockaddr_in6 *sin6, *adsin6; char hostn[2 * NI_MAXHOST + 2], *cp; - struct pnfsdsfile dsfile; - int ch, quiet, zerofh; + struct pnfsdsfile dsfile[NFSDEV_MAXMIRRORS]; + int ch, dosetxattr, i, mirrorcnt, quiet, zerofh; in_port_t tport; + ssize_t xattrsize; zerofh = 0; quiet = 0; + dosetxattr = 0; res = NULL; newres = NULL; while ((ch = getopt_long(argc, argv, "c:qs:z", longopts, NULL)) != -1) { switch (ch) { case 'c': /* Replace the first DS server with the second one. */ if (zerofh != 0) errx(1, "-c and -z are mutually exclusive\n"); strlcpy(hostn, optarg, 2 * NI_MAXHOST + 2); cp = strchr(hostn, ','); if (cp == NULL) errx(1, "Bad -c argument %s\n", hostn); *cp = '\0'; if (getaddrinfo(hostn, NULL, NULL, &res) != 0) errx(1, "Can't get IP# for %s\n", hostn); *cp++ = ','; if (getaddrinfo(cp, NULL, NULL, &newres) != 0) errx(1, "Can't get IP# for %s\n", cp); break; case 'q': quiet = 1; break; case 's': /* Translate the server name to an IP address. */ if (getaddrinfo(optarg, NULL, NULL, &res) != 0) errx(1, "Can't get IP# for %s\n", optarg); break; case 'z': if (newres != NULL) errx(1, "-c and -z are mutually exclusive\n"); zerofh = 1; break; default: usage(); } } argc -= optind; if (argc != 1) usage(); argv += optind; /* * The host address and directory where the data storage file is * located is in the extended attribute "pnfsd.dsfile". */ - if (extattr_get_file(*argv, EXTATTR_NAMESPACE_SYSTEM, "pnfsd.dsfile", - &dsfile, sizeof(dsfile)) != sizeof(dsfile)) + xattrsize = extattr_get_file(*argv, EXTATTR_NAMESPACE_SYSTEM, + "pnfsd.dsfile", dsfile, sizeof(dsfile)); + mirrorcnt = xattrsize / sizeof(struct pnfsdsfile); + if (mirrorcnt < 1 || xattrsize != mirrorcnt * sizeof(struct pnfsdsfile)) err(1, "Can't get extattr pnfsd.dsfile\n"); - /* Do the zerofh option. You must be root to use this option. */ - if (zerofh != 0) { - if (geteuid() != 0) - errx(1, "Must be root/su to zerofh\n"); - - /* - * Do it for the server specified by -s/--ds or all servers, - * if -s/--ds was not sepcified. - */ - sin = &dsfile.dsf_sin; - sin6 = &dsfile.dsf_sin6; - ad = res; - while (ad != NULL) { - adsin = (struct sockaddr_in *)ad->ai_addr; - adsin6 = (struct sockaddr_in6 *)ad->ai_addr; - if (adsin->sin_family == sin->sin_family) { - if (sin->sin_family == AF_INET && - sin->sin_addr.s_addr == - adsin->sin_addr.s_addr) - break; - else if (sin->sin_family == AF_INET6 && - IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, - &adsin6->sin6_addr)) - break; + for (i = 0; i < mirrorcnt; i++) { + if (i > 0) + printf(" "); + /* Do the zerofh option. You must be root. */ + if (zerofh != 0) { + if (geteuid() != 0) + errx(1, "Must be root/su to zerofh\n"); + + /* + * Do it for the server specified by -s/--ds or all + * servers, if -s/--ds was not specified. + */ + sin = &dsfile[i].dsf_sin; + sin6 = &dsfile[i].dsf_sin6; + ad = res; + while (ad != NULL) { + adsin = (struct sockaddr_in *)ad->ai_addr; + adsin6 = (struct sockaddr_in6 *)ad->ai_addr; + if (adsin->sin_family == sin->sin_family) { + if (sin->sin_family == AF_INET && + sin->sin_addr.s_addr == + adsin->sin_addr.s_addr) + break; + else if (sin->sin_family == AF_INET6 && + IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, + &adsin6->sin6_addr)) + break; + } + ad = ad->ai_next; } - ad = ad->ai_next; - } - if (res == NULL || ad != NULL) { - memset(&dsfile.dsf_fh, 0, sizeof(dsfile.dsf_fh)); - if (extattr_set_file(*argv, EXTATTR_NAMESPACE_SYSTEM, - "pnfsd.dsfile", &dsfile, sizeof(dsfile)) != - sizeof(dsfile)) - err(1, "Can't set pnfsd.dsfile\n"); - } - } - - /* Do the -c option to replace the DS host address. */ - if (newres != NULL) { - if (geteuid() != 0) - errx(1, "Must be root/su to replace the host addr\n"); - - /* - * Check that the old host address matches. - */ - sin = &dsfile.dsf_sin; - sin6 = &dsfile.dsf_sin6; - ad = res; - while (ad != NULL) { - adsin = (struct sockaddr_in *)ad->ai_addr; - adsin6 = (struct sockaddr_in6 *)ad->ai_addr; - if (adsin->sin_family == sin->sin_family) { - if (sin->sin_family == AF_INET && - sin->sin_addr.s_addr == - adsin->sin_addr.s_addr) - break; - else if (sin->sin_family == AF_INET6 && - IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, - &adsin6->sin6_addr)) - break; + if (res == NULL || ad != NULL) { + memset(&dsfile[i].dsf_fh, 0, sizeof(fhandle_t)); + dosetxattr = 1; } - ad = ad->ai_next; } - if (ad != NULL) { - if (sin->sin_family == AF_INET) - tport = sin->sin_port; - else - tport = sin6->sin6_port; + + /* Do the -c option to replace the DS host address. */ + if (newres != NULL) { + if (geteuid() != 0) + errx(1, "Must be root/su to replace the host" + " addr\n"); + /* - * We have a match, so replace it with the first - * AF_INET or AF_INET6 address in the newres list. + * Check that the old host address matches. */ - while (newres->ai_addr->sa_family != AF_INET && - newres->ai_addr->sa_family != AF_INET6) { - newres = newres->ai_next; - if (newres == NULL) - errx(1, "Hostname %s has no IP#\n", cp); + sin = &dsfile[i].dsf_sin; + sin6 = &dsfile[i].dsf_sin6; + ad = res; + while (ad != NULL) { + adsin = (struct sockaddr_in *)ad->ai_addr; + adsin6 = (struct sockaddr_in6 *)ad->ai_addr; + if (adsin->sin_family == sin->sin_family) { + if (sin->sin_family == AF_INET && + sin->sin_addr.s_addr == + adsin->sin_addr.s_addr) + break; + else if (sin->sin_family == AF_INET6 && + IN6_ARE_ADDR_EQUAL(&sin6->sin6_addr, + &adsin6->sin6_addr)) + break; + } + ad = ad->ai_next; } - if (newres->ai_addr->sa_family == AF_INET) { - memcpy(sin, newres->ai_addr, sizeof(*sin)); - sin->sin_port = tport; - } else if (newres->ai_addr->sa_family == AF_INET6) { - memcpy(sin6, newres->ai_addr, sizeof(*sin6)); - sin6->sin6_port = tport; + if (ad != NULL) { + if (sin->sin_family == AF_INET) + tport = sin->sin_port; + else + tport = sin6->sin6_port; + /* + * We have a match, so replace it with the first + * AF_INET or AF_INET6 address in the newres + * list. + */ + while (newres->ai_addr->sa_family != AF_INET && + newres->ai_addr->sa_family != AF_INET6) { + newres = newres->ai_next; + if (newres == NULL) + errx(1, "Hostname %s has no" + " IP#\n", cp); + } + if (newres->ai_addr->sa_family == AF_INET) { + memcpy(sin, newres->ai_addr, + sizeof(*sin)); + sin->sin_port = tport; + } else if (newres->ai_addr->sa_family == + AF_INET6) { + memcpy(sin6, newres->ai_addr, + sizeof(*sin6)); + sin6->sin6_port = tport; + } + dosetxattr = 1; } - if (extattr_set_file(*argv, EXTATTR_NAMESPACE_SYSTEM, - "pnfsd.dsfile", &dsfile, sizeof(dsfile)) != - sizeof(dsfile)) - err(1, "Can't set pnfsd.dsfile\n"); } + + if (quiet == 0) { + /* Translate the IP address to a hostname. */ + if (getnameinfo((struct sockaddr *)&dsfile[i].dsf_sin, + dsfile[i].dsf_sin.sin_len, hostn, sizeof(hostn), + NULL, 0, 0) < 0) + err(1, "Can't get hostname\n"); + printf("%s\tds%d/%s", hostn, dsfile[i].dsf_dir, + dsfile[i].dsf_filename); + } } - - if (quiet != 0) - exit(0); - - /* Translate the IP address to a hostname. */ - if (getnameinfo((struct sockaddr *)&dsfile.dsf_sin, - dsfile.dsf_sin.sin_len, hostn, sizeof(hostn), NULL, 0, 0) < 0) - err(1, "Can't get hostname\n"); - - printf("%s\tds%d/%s\n", hostn, dsfile.dsf_dir, dsfile.dsf_filename); + if (quiet == 0) + printf("\n"); + if (dosetxattr != 0 && extattr_set_file(*argv, EXTATTR_NAMESPACE_SYSTEM, + "pnfsd.dsfile", dsfile, xattrsize) != xattrsize) + err(1, "Can't set pnfsd.dsfile\n"); } static void usage(void) { fprintf(stderr, "pnfsdsfile [-q/--quiet] [-z/--zerofh] " "[-s/--ds ] \n"); exit(1); }