aboutsummaryrefslogtreecommitdiff
path: root/src/rc/fstabinfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/rc/fstabinfo.c')
-rw-r--r--src/rc/fstabinfo.c339
1 files changed, 0 insertions, 339 deletions
diff --git a/src/rc/fstabinfo.c b/src/rc/fstabinfo.c
deleted file mode 100644
index 2a1a12ea..00000000
--- a/src/rc/fstabinfo.c
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- * fstabinfo.c
- * Gets information about /etc/fstab.
- */
-
-/*
- * Copyright (c) 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/wait.h>
-
-#include <errno.h>
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-/* Yay for linux and its non liking of POSIX functions.
- Okay, we could use getfsent but the man page says use getmntent instead
- AND we don't have getfsent on uclibc or dietlibc for some odd reason. */
-#ifdef __linux__
-# define HAVE_GETMNTENT
-# include <mntent.h>
-# define ENT mntent
-# define START_ENT fp = setmntent ("/etc/fstab", "r");
-# define GET_ENT getmntent (fp)
-# define GET_ENT_FILE(_name) getmntfile (_name)
-# define END_ENT endmntent (fp)
-# define ENT_BLOCKDEVICE(_ent) (_ent)->mnt_fsname
-# define ENT_FILE(_ent) (_ent)->mnt_dir
-# define ENT_TYPE(_ent) (_ent)->mnt_type
-# define ENT_OPTS(_ent) (_ent)->mnt_opts
-# define ENT_PASS(_ent) (_ent)->mnt_passno
-#else
-# define HAVE_GETFSENT
-# include <fstab.h>
-# define ENT fstab
-# define START_ENT
-# define GET_ENT getfsent ()
-# define GET_ENT_FILE(_name) getfsfile (_name)
-# define END_ENT endfsent ()
-# define ENT_BLOCKDEVICE(_ent) (_ent)->fs_spec
-# define ENT_TYPE(_ent) (_ent)->fs_vfstype
-# define ENT_FILE(_ent) (_ent)->fs_file
-# define ENT_OPTS(_ent) (_ent)->fs_mntops
-# define ENT_PASS(_ent) (_ent)->fs_passno
-#endif
-
-#include "einfo.h"
-#include "queue.h"
-#include "rc.h"
-#include "rc-misc.h"
-#include "_usage.h"
-
-const char *applet = NULL;
-const char *extraopts = NULL;
-const char getoptstring[] = "MRbmop:t:" getoptstring_COMMON;
-const struct option longopts[] = {
- { "mount", 0, NULL, 'M' },
- { "remount", 0, NULL, 'R' },
- { "blockdevice", 0, NULL, 'b' },
- { "mountargs", 0, NULL, 'm' },
- { "options", 0, NULL, 'o' },
- { "passno", 1, NULL, 'p' },
- { "fstype", 1, NULL, 't' },
- longopts_COMMON
-};
-const char * const longopts_help[] = {
- "Mounts the filesytem from the mountpoint",
- "Remounts the filesystem based on the information in fstab",
- "Extract the block device",
- "Show arguments needed to mount the entry",
- "Extract the options field",
- "Extract or query the pass number field",
- "List entries with matching file system type",
- longopts_help_COMMON
-};
-const char *usagestring = NULL;
-
-#ifdef HAVE_GETMNTENT
-static struct mntent *
-getmntfile(const char *file)
-{
- struct mntent *ent;
- FILE *fp;
-
- START_ENT;
- while ((ent = getmntent(fp)))
- if (strcmp(file, ent->mnt_dir) == 0)
- break;
- END_ENT;
-
- return ent;
-}
-#endif
-
-extern const char *applet;
-
-static int
-do_mount(struct ENT *ent, bool remount)
-{
- char *argv[10];
- pid_t pid;
- int status;
-
- argv[0] = UNCONST("mount");
- argv[1] = UNCONST("-o");
- argv[2] = ENT_OPTS(ent);
- argv[3] = UNCONST("-t");
- argv[4] = ENT_TYPE(ent);
- if (!remount) {
- argv[5] = ENT_BLOCKDEVICE(ent);
- argv[6] = ENT_FILE(ent);
- argv[7] = NULL;
- } else {
-#ifdef __linux__
- argv[5] = UNCONST("-o");
- argv[6] = UNCONST("remount");
- argv[7] = ENT_BLOCKDEVICE(ent);
- argv[8] = ENT_FILE(ent);
- argv[9] = NULL;
-#else
- argv[5] = UNCONST("-u");
- argv[6] = ENT_BLOCKDEVICE(ent);
- argv[7] = ENT_FILE(ent);
- argv[8] = NULL;
-#endif
- }
- switch (pid = vfork()) {
- case -1:
- eerrorx("%s: vfork: %s", applet, strerror(errno));
- /* NOTREACHED */
- case 0:
- execvp(argv[0], argv);
- eerror("%s: execvp: %s", applet, strerror(errno));
- _exit(EXIT_FAILURE);
- /* NOTREACHED */
- default:
- waitpid(pid, &status, 0);
- if (WIFEXITED(status))
- return WEXITSTATUS(status);
- else
- return -1;
- /* NOTREACHED */
- }
-}
-
-#define OUTPUT_FILE (1 << 1)
-#define OUTPUT_MOUNTARGS (1 << 2)
-#define OUTPUT_OPTIONS (1 << 3)
-#define OUTPUT_PASSNO (1 << 4)
-#define OUTPUT_BLOCKDEV (1 << 5)
-#define OUTPUT_MOUNT (1 << 6)
-#define OUTPUT_REMOUNT (1 << 7)
-
-int main(int argc, char **argv)
-{
- struct ENT *ent;
- int result = EXIT_SUCCESS;
- char *token;
- int i, p;
- int opt;
- int output = OUTPUT_FILE;
- RC_STRINGLIST *files = rc_stringlist_new();
- RC_STRING *file, *file_np;
- bool filtered = false;
-
-#ifdef HAVE_GETMNTENT
- FILE *fp;
-#endif
-
- /* fail if there is no /etc/fstab */
- if (!exists("/etc/fstab"))
- eerrorx("/etc/fstab does not exist");
- /* Ensure that we are only quiet when explicitly told to be */
- unsetenv("EINFO_QUIET");
-
- applet = basename_c(argv[0]);
- while ((opt = getopt_long(argc, argv, getoptstring,
- longopts, (int *) 0)) != -1)
- {
- switch (opt) {
- case 'M':
- output = OUTPUT_MOUNT;
- break;
- case 'R':
- output = OUTPUT_REMOUNT;
- break;
- case 'b':
- output = OUTPUT_BLOCKDEV;
- break;
- case 'o':
- output = OUTPUT_OPTIONS;
- break;
- case 'm':
- output = OUTPUT_MOUNTARGS;
- break;
-
- case 'p':
- switch (optarg[0]) {
- case '=':
- case '<':
- case '>':
- if (sscanf(optarg + 1, "%d", &i) != 1)
- eerrorx("%s: invalid passno %s",
- argv[0], optarg + 1);
-
- filtered = true;
- opt = optarg[0];
- START_ENT;
- while ((ent = GET_ENT)) {
- if (strcmp(ENT_FILE(ent), "none") == 0)
- continue;
- p = ENT_PASS(ent);
- if ((opt == '=' && i == p) ||
- (opt == '<' && i > p && p != 0) ||
- (opt == '>' && i < p && p != 0))
- rc_stringlist_add(files,
- ENT_FILE(ent));
- }
- END_ENT;
- break;
-
- default:
- rc_stringlist_add(files, optarg);
- output = OUTPUT_PASSNO;
- break;
- }
- break;
-
- case 't':
- filtered = true;
- while ((token = strsep(&optarg, ","))) {
- START_ENT;
- while ((ent = GET_ENT))
- if (strcmp(token, ENT_TYPE(ent)) == 0)
- rc_stringlist_add(files,
- ENT_FILE(ent));
- END_ENT;
- }
- break;
-
- case_RC_COMMON_GETOPT
- }
- }
-
- if (optind < argc) {
- if (TAILQ_FIRST(files)) {
- TAILQ_FOREACH_SAFE(file, files, entries, file_np) {
- for (i = optind; i < argc; i++)
- if (strcmp(argv[i], file->value) == 0)
- break;
- if (i >= argc)
- rc_stringlist_delete(files,
- file->value);
- }
- } else {
- while (optind < argc)
- rc_stringlist_add(files, argv[optind++]);
- }
- } else if (!filtered) {
- START_ENT;
- while ((ent = GET_ENT))
- rc_stringlist_add(files, ENT_FILE(ent));
- END_ENT;
-
- if (!TAILQ_FIRST(files))
- eerrorx("%s: empty fstab", argv[0]);
- }
-
- if (!TAILQ_FIRST(files)) {
- rc_stringlist_free(files);
- return (EXIT_FAILURE);
- }
-
- /* Ensure we always display something */
- START_ENT;
- TAILQ_FOREACH(file, files, entries) {
- if (!(ent = GET_ENT_FILE(file->value))) {
- result = EXIT_FAILURE;
- continue;
- }
-
- /* mount or remount? */
- switch (output) {
- case OUTPUT_MOUNT:
- result += do_mount(ent, false);
- break;
-
- case OUTPUT_REMOUNT:
- result += do_mount(ent, true);
- break;
- }
-
- /* No point in outputting if quiet */
- if (rc_yesno(getenv("EINFO_QUIET")))
- continue;
-
- switch (output) {
- case OUTPUT_BLOCKDEV:
- printf("%s\n", ENT_BLOCKDEVICE(ent));
- break;
-
- case OUTPUT_MOUNTARGS:
- printf("-o %s -t %s %s %s\n",
- ENT_OPTS(ent),
- ENT_TYPE(ent),
- ENT_BLOCKDEVICE(ent),
- file->value);
- break;
-
- case OUTPUT_OPTIONS:
- printf("%s\n", ENT_OPTS(ent));
- break;
-
- case OUTPUT_FILE:
- printf("%s\n", file->value);
- break;
-
- case OUTPUT_PASSNO:
- printf("%d\n", ENT_PASS(ent));
- break;
- }
- }
- END_ENT;
-
- rc_stringlist_free(files);
- exit(result);
- /* NOTREACHED */
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 10:25:41 +0000