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-rw-r--r--src/rc/mountinfo.c488
1 files changed, 0 insertions, 488 deletions
diff --git a/src/rc/mountinfo.c b/src/rc/mountinfo.c
deleted file mode 100644
index 6652760d..00000000
--- a/src/rc/mountinfo.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- * mountinfo.c
- * Obtains information about mounted filesystems.
- */
-
-/*
- * Copyright 2007-2015 The OpenRC Authors.
- * See the Authors file at the top-level directory of this distribution and
- * https://github.com/OpenRC/openrc/blob/HEAD/AUTHORS
- *
- * This file is part of OpenRC. It is subject to the license terms in
- * the LICENSE file found in the top-level directory of this
- * distribution and at https://github.com/OpenRC/openrc/blob/HEAD/LICENSE
- * This file may not be copied, modified, propagated, or distributed
- * except according to the terms contained in the LICENSE file.
- */
-
-#include <sys/types.h>
-#include <sys/param.h>
-
-#if defined(__DragonFly__) || defined(__FreeBSD__)
-# include <sys/ucred.h>
-# include <sys/mount.h>
-# define F_FLAGS f_flags
-#elif defined(BSD) && !defined(__GNU__)
-# include <sys/statvfs.h>
-# define statfs statvfs
-# define F_FLAGS f_flag
-#elif defined(__linux__) || (defined(__FreeBSD_kernel__) && \
- defined(__GLIBC__)) || defined(__GNU__)
-# include <mntent.h>
-#endif
-
-#include <errno.h>
-#include <getopt.h>
-#include <limits.h>
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "einfo.h"
-#include "queue.h"
-#include "rc.h"
-#include "rc-misc.h"
-#include "_usage.h"
-
-const char *applet = NULL;
-const char *procmounts = "/proc/mounts";
-const char *extraopts = "[mount1] [mount2] ...";
-const char getoptstring[] = "f:F:n:N:o:O:p:P:iste:E:" getoptstring_COMMON;
-const struct option longopts[] = {
- { "fstype-regex", 1, NULL, 'f'},
- { "skip-fstype-regex", 1, NULL, 'F'},
- { "node-regex", 1, NULL, 'n'},
- { "skip-node-regex", 1, NULL, 'N'},
- { "options-regex", 1, NULL, 'o'},
- { "skip-options-regex", 1, NULL, 'O'},
- { "point-regex", 1, NULL, 'p'},
- { "skip-point-regex", 1, NULL, 'P'},
- { "options", 0, NULL, 'i'},
- { "fstype", 0, NULL, 's'},
- { "node", 0, NULL, 't'},
- { "netdev", 0, NULL, 'e'},
- { "nonetdev", 0, NULL, 'E'},
- longopts_COMMON
-};
-const char * const longopts_help[] = {
- "fstype regex to find",
- "fstype regex to skip",
- "node regex to find",
- "node regex to skip",
- "options regex to find",
- "options regex to skip",
- "point regex to find",
- "point regex to skip",
- "print options",
- "print fstype",
- "print node",
- "is it a network device",
- "is it not a network device",
- longopts_help_COMMON
-};
-const char *usagestring = NULL;
-
-typedef enum {
- mount_from,
- mount_to,
- mount_fstype,
- mount_options
-} mount_type;
-
-typedef enum {
- net_ignore,
- net_yes,
- net_no
-} net_opts;
-
-struct args {
- regex_t *node_regex;
- regex_t *skip_node_regex;
- regex_t *fstype_regex;
- regex_t *skip_fstype_regex;
- regex_t *options_regex;
- regex_t *skip_options_regex;
- RC_STRINGLIST *mounts;
- mount_type mount_type;
- net_opts netdev;
-};
-
-static int
-process_mount(RC_STRINGLIST *list, struct args *args,
- char *from, char *to, char *fstype, char *options,
- int netdev)
-{
- char *p;
- RC_STRING *s;
-
- errno = ENOENT;
-
-#ifdef __linux__
- /* Skip the really silly rootfs */
- if (strcmp(fstype, "rootfs") == 0)
- return -1;
-#endif
-
- if (args->netdev == net_yes &&
- (netdev != -1 || TAILQ_FIRST(args->mounts)))
- {
- if (netdev != 0)
- return 1;
- } else if (args->netdev == net_no &&
- (netdev != -1 || TAILQ_FIRST(args->mounts)))
- {
- if (netdev != 1)
- return 1;
- } else {
- if (args->node_regex &&
- regexec(args->node_regex, from, 0, NULL, 0) != 0)
- return 1;
- if (args->skip_node_regex &&
- regexec(args->skip_node_regex, from, 0, NULL, 0) == 0)
- return 1;
-
- if (args->fstype_regex &&
- regexec(args->fstype_regex, fstype, 0, NULL, 0) != 0)
- return -1;
- if (args->skip_fstype_regex &&
- regexec(args->skip_fstype_regex, fstype, 0, NULL, 0) == 0)
- return -1;
-
- if (args->options_regex &&
- regexec(args->options_regex, options, 0, NULL, 0) != 0)
- return -1;
- if (args->skip_options_regex &&
- regexec(args->skip_options_regex, options, 0, NULL, 0) == 0)
- return -1;
- }
-
- if (TAILQ_FIRST(args->mounts)) {
- TAILQ_FOREACH(s, args->mounts, entries)
- if (strcmp(s->value, to) == 0)
- break;
- if (!s)
- return -1;
- }
-
- switch (args->mount_type) {
- case mount_from:
- p = from;
- break;
- case mount_to:
- p = to;
- break;
- case mount_fstype:
- p = fstype;
- break;
- case mount_options:
- p = options;
- break;
- default:
- p = NULL;
- errno = EINVAL;
- break;
- }
-
- if (p) {
- errno = 0;
- rc_stringlist_add(list, p);
- return 0;
- }
-
- return -1;
-}
-
-#if defined(BSD) && !defined(__GNU__)
-
-/* Translate the mounted options to english
- * This is taken directly from FreeBSD mount.c */
-static struct opt {
- int o_opt;
- const char *o_name;
-} optnames[] = {
- { MNT_ASYNC, "asynchronous" },
- { MNT_EXPORTED, "NFS exported" },
- { MNT_LOCAL, "local" },
- { MNT_NOATIME, "noatime" },
- { MNT_NOEXEC, "noexec" },
- { MNT_NOSUID, "nosuid" },
-#ifdef MNT_NOSYMFOLLOW
- { MNT_NOSYMFOLLOW, "nosymfollow" },
-#endif
- { MNT_QUOTA, "with quotas" },
- { MNT_RDONLY, "read-only" },
- { MNT_SYNCHRONOUS, "synchronous" },
- { MNT_UNION, "union" },
-#ifdef MNT_NOCLUSTERR
- { MNT_NOCLUSTERR, "noclusterr" },
-#endif
-#ifdef MNT_NOCLUSTERW
- { MNT_NOCLUSTERW, "noclusterw" },
-#endif
-#ifdef MNT_SUIDDIR
- { MNT_SUIDDIR, "suiddir" },
-#endif
- { MNT_SOFTDEP, "soft-updates" },
-#ifdef MNT_MULTILABEL
- { MNT_MULTILABEL, "multilabel" },
-#endif
-#ifdef MNT_ACLS
- { MNT_ACLS, "acls" },
-#endif
-#ifdef MNT_GJOURNAL
- { MNT_GJOURNAL, "gjournal" },
-#endif
- { 0, NULL }
-};
-
-static RC_STRINGLIST *
-find_mounts(struct args *args)
-{
- struct statfs *mnts;
- int nmnts;
- int i;
- RC_STRINGLIST *list;
- char *options = NULL;
- uint64_t flags;
- struct opt *o;
- int netdev;
- char *tmp;
-
- if ((nmnts = getmntinfo(&mnts, MNT_NOWAIT)) == 0)
- eerrorx("getmntinfo: %s", strerror (errno));
-
- list = rc_stringlist_new();
- for (i = 0; i < nmnts; i++) {
- netdev = 0;
- flags = mnts[i].F_FLAGS & MNT_VISFLAGMASK;
- for (o = optnames; flags && o->o_opt; o++) {
- if (flags & o->o_opt) {
- if (o->o_opt == MNT_LOCAL)
- netdev = 1;
- if (!options)
- options = xstrdup(o->o_name);
- else {
- xasprintf(&tmp, "%s,%s", options, o->o_name);
- free(options);
- options = tmp;
- }
- }
- flags &= ~o->o_opt;
- }
-
- process_mount(list, args,
- mnts[i].f_mntfromname,
- mnts[i].f_mntonname,
- mnts[i].f_fstypename,
- options,
- netdev);
-
- free(options);
- options = NULL;
- }
-
- return list;
-}
-
-#elif defined(__linux__) || (defined(__FreeBSD_kernel__) && \
- defined(__GLIBC__)) || defined(__GNU__)
-static struct mntent *
-getmntfile(const char *file)
-{
- struct mntent *ent = NULL;
- FILE *fp;
-
- if (!exists("/etc/fstab"))
- return NULL;
-
- fp = setmntent("/etc/fstab", "r");
- while ((ent = getmntent(fp)))
- if (strcmp(file, ent->mnt_dir) == 0)
- break;
- endmntent(fp);
-
- return ent;
-}
-
-static RC_STRINGLIST *
-find_mounts(struct args *args)
-{
- FILE *fp;
- char *buffer;
- size_t size;
- char *p;
- char *from;
- char *to;
- char *fst;
- char *opts;
- struct mntent *ent;
- int netdev;
- RC_STRINGLIST *list;
-
- if ((fp = fopen(procmounts, "r")) == NULL)
- eerrorx("getmntinfo: %s", strerror(errno));
-
- list = rc_stringlist_new();
-
- buffer = NULL;
- while (getline(&buffer, &size, fp) != -1) {
- netdev = -1;
- p = buffer;
- from = strsep(&p, " ");
- to = strsep(&p, " ");
- fst = strsep(&p, " ");
- opts = strsep(&p, " ");
-
- if ((ent = getmntfile(to))) {
- if (strstr(ent->mnt_opts, "_netdev"))
- netdev = 0;
- else
- netdev = 1;
- }
-
- process_mount(list, args, from, to, fst, opts, netdev);
- free(buffer);
- buffer = NULL;
- }
- free(buffer);
- fclose(fp);
-
- return list;
-}
-
-#else
-# error "Operating system not supported!"
-#endif
-
-static regex_t *
-get_regex(const char *string)
-{
- regex_t *reg = xmalloc(sizeof (*reg));
- int result;
- char buffer[256];
-
- if ((result = regcomp(reg, string, REG_EXTENDED | REG_NOSUB)) != 0)
- {
- regerror(result, reg, buffer, sizeof(buffer));
- eerrorx("%s: invalid regex `%s'", applet, buffer);
- }
-
- return reg;
-}
-
-int main(int argc, char **argv)
-{
- struct args args;
- regex_t *point_regex = NULL;
- regex_t *skip_point_regex = NULL;
- RC_STRINGLIST *nodes;
- RC_STRING *s;
- char *real_path = NULL;
- int opt;
- int result;
- char *this_path;
-
-#define DO_REG(_var) \
- if (_var) free(_var); \
- _var = get_regex(optarg);
-#define REG_FREE(_var) \
- if (_var) { regfree(_var); free(_var); }
-
- applet = basename_c(argv[0]);
- memset (&args, 0, sizeof(args));
- args.mount_type = mount_to;
- args.netdev = net_ignore;
- args.mounts = rc_stringlist_new();
-
- while ((opt = getopt_long(argc, argv, getoptstring,
- longopts, (int *) 0)) != -1)
- {
- switch (opt) {
- case 'e':
- args.netdev = net_yes;
- break;
- case 'E':
- args.netdev = net_no;
- break;
- case 'f':
- DO_REG(args.fstype_regex);
- break;
- case 'F':
- DO_REG(args.skip_fstype_regex);
- break;
- case 'n':
- DO_REG(args.node_regex);
- break;
- case 'N':
- DO_REG(args.skip_node_regex);
- break;
- case 'o':
- DO_REG(args.options_regex);
- break;
- case 'O':
- DO_REG(args.skip_options_regex);
- break;
- case 'p':
- DO_REG(point_regex);
- break;
- case 'P':
- DO_REG(skip_point_regex);
- break;
- case 'i':
- args.mount_type = mount_options;
- break;
- case 's':
- args.mount_type = mount_fstype;
- break;
- case 't':
- args.mount_type = mount_from;
- break;
-
- case_RC_COMMON_GETOPT
- }
- }
-
- while (optind < argc) {
- if (argv[optind][0] != '/')
- eerrorx("%s: `%s' is not a mount point",
- argv[0], argv[optind]);
- this_path = argv[optind++];
- real_path = realpath(this_path, NULL);
- if (real_path)
- this_path = real_path;
- rc_stringlist_add(args.mounts, this_path);
- free(real_path);
- real_path = NULL;
- }
- nodes = find_mounts(&args);
- rc_stringlist_free(args.mounts);
-
- REG_FREE(args.fstype_regex);
- REG_FREE(args.skip_fstype_regex);
- REG_FREE(args.node_regex);
- REG_FREE(args.skip_node_regex);
- REG_FREE(args.options_regex);
- REG_FREE(args.skip_options_regex);
-
- result = EXIT_FAILURE;
-
- /* We should report the mounts in reverse order to ease unmounting */
- TAILQ_FOREACH_REVERSE(s, nodes, rc_stringlist, entries) {
- if (point_regex &&
- regexec(point_regex, s->value, 0, NULL, 0) != 0)
- continue;
- if (skip_point_regex &&
- regexec(skip_point_regex, s->value, 0, NULL, 0) == 0)
- continue;
- if (!rc_yesno(getenv("EINFO_QUIET")))
- printf("%s\n", s->value);
- result = EXIT_SUCCESS;
- }
- rc_stringlist_free(nodes);
-
- REG_FREE(point_regex);
- REG_FREE(skip_point_regex);
-
- return result;
-}
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