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Diffstat (limited to 'contrib/amd/fsinfo/fsi_analyze.c')
| -rw-r--r-- | contrib/amd/fsinfo/fsi_analyze.c | 668 |
1 files changed, 0 insertions, 668 deletions
diff --git a/contrib/amd/fsinfo/fsi_analyze.c b/contrib/amd/fsinfo/fsi_analyze.c deleted file mode 100644 index 78598b854647..000000000000 --- a/contrib/amd/fsinfo/fsi_analyze.c +++ /dev/null @@ -1,668 +0,0 @@ -/* - * Copyright (c) 1997-2014 Erez Zadok - * Copyright (c) 1989 Jan-Simon Pendry - * Copyright (c) 1989 Imperial College of Science, Technology & Medicine - * Copyright (c) 1989 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry at Imperial College, London. - * - * 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. 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. - * - * - * File: am-utils/fsinfo/fsi_analyze.c - * - */ - -/* - * Analyze filesystem declarations - * - * Note: most of this is magic! - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif /* HAVE_CONFIG_H */ -#include <am_defs.h> -#include <fsi_data.h> -#include <fsinfo.h> - -char *disk_fs_strings[] = -{ - "fstype", "opts", "dumpset", "passno", "freq", "mount", "log", NULL, -}; - -char *mount_strings[] = -{ - "volname", "exportfs", NULL, -}; - -char *fsmount_strings[] = -{ - "as", "volname", "fstype", "opts", "from", NULL, -}; - -char *host_strings[] = -{ - "host", "netif", "config", "arch", "cluster", "os", NULL, -}; - -char *ether_if_strings[] = -{ - "inaddr", "netmask", "hwaddr", NULL, -}; - - -/* - * Strip off the trailing part of a domain - * to produce a short-form domain relative - * to the local host domain. - * Note that this has no effect if the domain - * names do not have the same number of - * components. If that restriction proves - * to be a problem then the loop needs recoding - * to skip from right to left and do partial - * matches along the way -- ie more expensive. - */ -void -domain_strip(char *otherdom, char *localdom) -{ - char *p1, *p2; - - if ((p1 = strchr(otherdom, '.')) && - (p2 = strchr(localdom, '.')) && - STREQ(p1 + 1, p2 + 1)) - *p1 = '\0'; -} - - -/* - * Take a little-endian domain name and - * transform into a big-endian Un*x pathname. - * For example: kiska.doc.ic -> ic/doc/kiska - */ -static char * -compute_hostpath(char *hn) -{ - char *p = xmalloc(MAXPATHLEN); - char *d; - char path[MAXPATHLEN]; - - xstrlcpy(p, hn, MAXPATHLEN); - domain_strip(p, hostname); - path[0] = '\0'; - - do { - d = strrchr(p, '.'); - if (d) { - *d = '\0'; - xstrlcat(path, d + 1, sizeof(path)); - xstrlcat(path, "/", sizeof(path)); - } else { - xstrlcat(path, p, sizeof(path)); - } - } while (d); - - fsi_log("hostpath of '%s' is '%s'", hn, path); - - xstrlcpy(p, path, MAXPATHLEN); - return p; -} - - -static dict_ent * -find_volname(char *nn) -{ - dict_ent *de; - char *p = xstrdup(nn); - char *q; - - do { - fsi_log("Searching for volname %s", p); - de = dict_locate(dict_of_volnames, p); - q = strrchr(p, '/'); - if (q) - *q = '\0'; - } while (!de && q); - - XFREE(p); - return de; -} - - -static void -show_required(ioloc *l, int mask, char *info, char *hostname, char *strings[]) -{ - int i; - fsi_log("mask left for %s:%s is %#x", hostname, info, mask); - - for (i = 0; strings[i]; i++) - if (ISSET(mask, i)) - lerror(l, "%s:%s needs field \"%s\"", hostname, info, strings[i]); -} - - -/* - * Check and fill in "exportfs" details. - * Make sure the m_exported field references - * the most local node with an "exportfs" entry. - */ -static int -check_exportfs(qelem *q, fsi_mount *e) -{ - fsi_mount *mp; - int errors = 0; - - ITER(mp, fsi_mount, q) { - if (ISSET(mp->m_mask, DM_EXPORTFS)) { - if (e) - lwarning(mp->m_ioloc, "%s has duplicate exportfs data", mp->m_name); - mp->m_exported = mp; - if (!ISSET(mp->m_mask, DM_VOLNAME)) - set_mount(mp, DM_VOLNAME, xstrdup(mp->m_name)); - } else { - mp->m_exported = e; - } - - /* - * Recursively descend the mount tree - */ - if (mp->m_mount) - errors += check_exportfs(mp->m_mount, mp->m_exported); - - /* - * If a volume name has been specified, but this node and none - * of its parents has been exported, report an error. - */ - if (ISSET(mp->m_mask, DM_VOLNAME) && !mp->m_exported) { - lerror(mp->m_ioloc, "%s has a volname but no exportfs data", mp->m_name); - errors++; - } - } - - return errors; -} - - -static int -analyze_dkmount_tree(qelem *q, fsi_mount *parent, disk_fs *dk) -{ - fsi_mount *mp; - int errors = 0; - - ITER(mp, fsi_mount, q) { - fsi_log("Mount %s:", mp->m_name); - if (parent) { - char n[MAXPATHLEN]; - xsnprintf(n, sizeof(n), "%s/%s", parent->m_name, mp->m_name); - if (*mp->m_name == '/') - lerror(mp->m_ioloc, "sub-directory %s of %s starts with '/'", mp->m_name, parent->m_name); - else if (STREQ(mp->m_name, "default")) - lwarning(mp->m_ioloc, "sub-directory of %s is named \"default\"", parent->m_name); - fsi_log("Changing name %s to %s", mp->m_name, n); - XFREE(mp->m_name); - mp->m_name = xstrdup(n); - } - - mp->m_name_len = strlen(mp->m_name); - mp->m_parent = parent; - mp->m_dk = dk; - if (mp->m_mount) - analyze_dkmount_tree(mp->m_mount, mp, dk); - } - - return errors; -} - - -/* - * The mount tree is a singleton list - * containing the top-level mount - * point for a disk. - */ -static int -analyze_dkmounts(disk_fs *dk, qelem *q) -{ - int errors = 0; - fsi_mount *mp, *mp2 = NULL; - int i = 0; - - /* - * First scan the list of subdirs to make - * sure there is only one - and remember it - */ - if (q) { - ITER(mp, fsi_mount, q) { - mp2 = mp; - i++; - } - } - - /* - * Check... - */ - if (i < 1) { - lerror(dk->d_ioloc, "%s:%s has no mount point", dk->d_host->h_hostname, dk->d_dev); - return 1; - } - - if (i > 1) { - lerror(dk->d_ioloc, "%s:%s has more than one mount point", dk->d_host->h_hostname, dk->d_dev); - errors++; - } - - /* - * Now see if a default mount point is required - */ - if (mp2 && STREQ(mp2->m_name, "default")) { - if (ISSET(mp2->m_mask, DM_VOLNAME)) { - char nbuf[1024]; - compute_automount_point(nbuf, sizeof(nbuf), dk->d_host, mp2->m_volname); - XFREE(mp2->m_name); - mp2->m_name = xstrdup(nbuf); - fsi_log("%s:%s has default mount on %s", dk->d_host->h_hostname, dk->d_dev, mp2->m_name); - } else { - lerror(dk->d_ioloc, "no volname given for %s:%s", dk->d_host->h_hostname, dk->d_dev); - errors++; - } - } - - /* - * Fill in the disk mount point - */ - if (!errors && mp2 && mp2->m_name) - dk->d_mountpt = xstrdup(mp2->m_name); - else - dk->d_mountpt = xstrdup("error"); - - /* - * Analyze the mount tree - */ - errors += analyze_dkmount_tree(q, NULL, dk); - - /* - * Analyze the export tree - */ - errors += check_exportfs(q, NULL); - - return errors; -} - - -static void -fixup_required_disk_info(disk_fs *dp) -{ - /* - * "fstype" - */ - if (ISSET(dp->d_mask, DF_FSTYPE)) { - if (STREQ(dp->d_fstype, "swap")) { - - /* - * Fixup for a swap device - */ - if (!ISSET(dp->d_mask, DF_PASSNO)) { - dp->d_passno = 0; - BITSET(dp->d_mask, DF_PASSNO); - } else if (dp->d_freq != 0) { - lwarning(dp->d_ioloc, - "Pass number for %s:%s is non-zero", - dp->d_host->h_hostname, dp->d_dev); - } - - /* - * "freq" - */ - if (!ISSET(dp->d_mask, DF_FREQ)) { - dp->d_freq = 0; - BITSET(dp->d_mask, DF_FREQ); - } else if (dp->d_freq != 0) { - lwarning(dp->d_ioloc, - "dump frequency for %s:%s is non-zero", - dp->d_host->h_hostname, dp->d_dev); - } - - /* - * "opts" - */ - if (!ISSET(dp->d_mask, DF_OPTS)) - set_disk_fs(dp, DF_OPTS, xstrdup("swap")); - - /* - * "mount" - */ - if (!ISSET(dp->d_mask, DF_MOUNT)) { - qelem *q = new_que(); - fsi_mount *m = new_mount(); - - m->m_name = xstrdup("swap"); - m->m_mount = new_que(); - ins_que(&m->m_q, q->q_back); - dp->d_mount = q; - BITSET(dp->d_mask, DF_MOUNT); - } else { - lerror(dp->d_ioloc, "%s: mount field specified for swap partition", dp->d_host->h_hostname); - } - } else if (STREQ(dp->d_fstype, "export")) { - - /* - * "passno" - */ - if (!ISSET(dp->d_mask, DF_PASSNO)) { - dp->d_passno = 0; - BITSET(dp->d_mask, DF_PASSNO); - } else if (dp->d_passno != 0) { - lwarning(dp->d_ioloc, - "pass number for %s:%s is non-zero", - dp->d_host->h_hostname, dp->d_dev); - } - - /* - * "freq" - */ - if (!ISSET(dp->d_mask, DF_FREQ)) { - dp->d_freq = 0; - BITSET(dp->d_mask, DF_FREQ); - } else if (dp->d_freq != 0) { - lwarning(dp->d_ioloc, - "dump frequency for %s:%s is non-zero", - dp->d_host->h_hostname, dp->d_dev); - } - - /* - * "opts" - */ - if (!ISSET(dp->d_mask, DF_OPTS)) - set_disk_fs(dp, DF_OPTS, xstrdup("rw,defaults")); - - } - } -} - - -static void -fixup_required_mount_info(fsmount *fp, dict_ent *de) -{ - if (!ISSET(fp->f_mask, FM_FROM)) { - if (de->de_count != 1) { - lerror(fp->f_ioloc, "ambiguous mount: %s is a replicated filesystem", fp->f_volname); - } else { - dict_data *dd; - fsi_mount *mp = NULL; - dd = AM_FIRST(dict_data, &de->de_q); - mp = (fsi_mount *) dd->dd_data; - if (!mp) - abort(); - fp->f_ref = mp; - set_fsmount(fp, FM_FROM, mp->m_dk->d_host->h_hostname); - fsi_log("set: %s comes from %s", fp->f_volname, fp->f_from); - } - } - - if (!ISSET(fp->f_mask, FM_FSTYPE)) { - set_fsmount(fp, FM_FSTYPE, xstrdup("nfs")); - fsi_log("set: fstype is %s", fp->f_fstype); - } - - if (!ISSET(fp->f_mask, FM_OPTS)) { - set_fsmount(fp, FM_OPTS, xstrdup("rw,nosuid,grpid,defaults")); - fsi_log("set: opts are %s", fp->f_opts); - } - - if (!ISSET(fp->f_mask, FM_LOCALNAME)) { - if (fp->f_ref) { - set_fsmount(fp, FM_LOCALNAME, xstrdup(fp->f_volname)); - fsi_log("set: localname is %s", fp->f_localname); - } else { - lerror(fp->f_ioloc, "cannot determine localname since volname %s is not uniquely defined", fp->f_volname); - } - } -} - - -/* - * For each disk on a host - * analyze the mount information - * and fill in any derivable - * details. - */ -static void -analyze_drives(host *hp) -{ - qelem *q = hp->h_disk_fs; - disk_fs *dp; - - ITER(dp, disk_fs, q) { - int req; - fsi_log("Disk %s:", dp->d_dev); - dp->d_host = hp; - fixup_required_disk_info(dp); - req = ~dp->d_mask & DF_REQUIRED; - if (req) - show_required(dp->d_ioloc, req, dp->d_dev, hp->h_hostname, disk_fs_strings); - analyze_dkmounts(dp, dp->d_mount); - } -} - - -/* - * Check that all static mounts make sense and - * that the source volumes exist. - */ -static void -analyze_mounts(host *hp) -{ - qelem *q = hp->h_mount; - fsmount *fp; - int netbootp = 0; - - ITER(fp, fsmount, q) { - char *p; - char *nn = xstrdup(fp->f_volname); - int req; - dict_ent *de = (dict_ent *) NULL; - int found = 0; - int matched = 0; - - if (ISSET(fp->f_mask, FM_DIRECT)) { - found = 1; - matched = 1; - } else - do { - p = NULL; - de = find_volname(nn); - fsi_log("Mount: %s (trying %s)", fp->f_volname, nn); - - if (de) { - found = 1; - - /* - * Check that the from field is really exporting - * the filesystem requested. - * LBL: If fake mount, then don't care about - * consistency check. - */ - if (ISSET(fp->f_mask, FM_FROM) && !ISSET(fp->f_mask, FM_DIRECT)) { - dict_data *dd; - fsi_mount *mp2 = NULL; - - ITER(dd, dict_data, &de->de_q) { - fsi_mount *mp = (fsi_mount *) dd->dd_data; - - if (fp->f_from && - STREQ(mp->m_dk->d_host->h_hostname, fp->f_from)) { - mp2 = mp; - break; - } - } - - if (mp2) { - fp->f_ref = mp2; - matched = 1; - break; - } - } else { - matched = 1; - break; - } - } - p = strrchr(nn, '/'); - if (p) - *p = '\0'; - } while (de && p); - XFREE(nn); - - if (!found) { - lerror(fp->f_ioloc, "volname %s unknown", fp->f_volname); - } else if (matched) { - - if (de) - fixup_required_mount_info(fp, de); - req = ~fp->f_mask & FM_REQUIRED; - if (req) { - show_required(fp->f_ioloc, req, fp->f_volname, hp->h_hostname, - fsmount_strings); - } else if (STREQ(fp->f_localname, "/")) { - hp->h_netroot = fp; - netbootp |= FM_NETROOT; - } else if (STREQ(fp->f_localname, "swap")) { - hp->h_netswap = fp; - netbootp |= FM_NETSWAP; - } - - } else { - lerror(fp->f_ioloc, "volname %s not exported from %s", fp->f_volname, - fp->f_from ? fp->f_from : "anywhere"); - } - } - - if (netbootp && (netbootp != FM_NETBOOT)) - lerror(hp->h_ioloc, "network booting requires both root and swap areas"); -} - - -void -analyze_hosts(qelem *q) -{ - host *hp; - - show_area_being_processed("analyze hosts", 5); - - /* - * Check all drives - */ - ITER(hp, host, q) { - fsi_log("disks on host %s", hp->h_hostname); - show_new("ana-host"); - hp->h_hostpath = compute_hostpath(hp->h_hostname); - - if (hp->h_disk_fs) - analyze_drives(hp); - - } - - show_area_being_processed("analyze mounts", 5); - - /* - * Check static mounts - */ - ITER(hp, host, q) { - fsi_log("mounts on host %s", hp->h_hostname); - show_new("ana-mount"); - if (hp->h_mount) - analyze_mounts(hp); - - } -} - - -/* - * Check an automount request - */ -static void -analyze_automount(automount *ap) -{ - dict_ent *de = find_volname(ap->a_volname); - - if (de) { - ap->a_mounted = de; - } else { - if (STREQ(ap->a_volname, ap->a_name)) - lerror(ap->a_ioloc, "unknown volname %s automounted", ap->a_volname); - else - lerror(ap->a_ioloc, "unknown volname %s automounted on %s", ap->a_volname, ap->a_name); - } -} - - -static void -analyze_automount_tree(qelem *q, char *pref, int lvl) -{ - automount *ap; - - ITER(ap, automount, q) { - char nname[1024]; - - if (lvl > 0 || ap->a_mount) - if (ap->a_name[1] && strchr(ap->a_name + 1, '/')) - lerror(ap->a_ioloc, "not allowed '/' in a directory name"); - xsnprintf(nname, sizeof(nname), "%s/%s", pref, ap->a_name); - XFREE(ap->a_name); - ap->a_name = xstrdup(nname[1] == '/' ? nname + 1 : nname); - fsi_log("automount point %s:", ap->a_name); - show_new("ana-automount"); - - if (ap->a_mount) { - analyze_automount_tree(ap->a_mount, ap->a_name, lvl + 1); - } else if (ap->a_hardwiredfs) { - fsi_log("\thardwired from %s to %s", ap->a_volname, ap->a_hardwiredfs); - } else if (ap->a_volname) { - fsi_log("\tautomount from %s", ap->a_volname); - analyze_automount(ap); - } else if (ap->a_symlink) { - fsi_log("\tsymlink to %s", ap->a_symlink); - } else { - ap->a_volname = xstrdup(ap->a_name); - fsi_log("\timplicit automount from %s", ap->a_volname); - analyze_automount(ap); - } - } -} - - -void -analyze_automounts(qelem *q) -{ - auto_tree *tp; - - show_area_being_processed("analyze automount", 5); - - /* - * q is a list of automounts - */ - ITER(tp, auto_tree, q) - analyze_automount_tree(tp->t_mount, "", 0); -} |