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mount: print errno on NFS error (again)
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@ -733,7 +733,10 @@ extern int get_linux_version_code(void);
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extern char *query_loop(const char *device);
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extern char *query_loop(const char *device);
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extern int del_loop(const char *device);
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extern int del_loop(const char *device);
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extern int set_loop(char **device, const char *file, unsigned long long offset);
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/* If *devname is not NULL, use that name, otherwise try to find free one,
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* malloc and return it in *devname.
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* return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
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extern int set_loop(char **devname, const char *file, unsigned long long offset);
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//TODO: pass buf pointer or return allocated buf (avoid statics)?
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//TODO: pass buf pointer or return allocated buf (avoid statics)?
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@ -1061,6 +1064,7 @@ extern const char bb_default_login_shell[];
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#endif
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#endif
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# define VC_FORMAT "/dev/vc/%d"
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# define VC_FORMAT "/dev/vc/%d"
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# define LOOP_FORMAT "/dev/loop/%d"
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# define LOOP_FORMAT "/dev/loop/%d"
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# define LOOP_NAMESIZE (sizeof("/dev/loop/") + sizeof(int)*3 + 1)
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# define LOOP_NAME "/dev/loop/"
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# define LOOP_NAME "/dev/loop/"
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# define FB_0 "/dev/fb/0"
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# define FB_0 "/dev/fb/0"
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#else
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#else
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@ -1081,6 +1085,7 @@ extern const char bb_default_login_shell[];
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#endif
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#endif
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# define VC_FORMAT "/dev/tty%d"
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# define VC_FORMAT "/dev/tty%d"
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# define LOOP_FORMAT "/dev/loop%d"
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# define LOOP_FORMAT "/dev/loop%d"
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# define LOOP_NAMESIZE (sizeof("/dev/loop") + sizeof(int)*3 + 1)
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# define LOOP_NAME "/dev/loop"
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# define LOOP_NAME "/dev/loop"
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# define FB_0 "/dev/fb0"
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# define FB_0 "/dev/fb0"
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#endif
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#endif
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@ -81,7 +81,8 @@ int del_loop(const char *device)
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*/
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*/
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int set_loop(char **device, const char *file, unsigned long long offset)
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int set_loop(char **device, const char *file, unsigned long long offset)
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{
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{
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char dev[20], *try;
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char dev[LOOP_NAMESIZE];
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char *try;
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bb_loop_info loopinfo;
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bb_loop_info loopinfo;
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struct stat statbuf;
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struct stat statbuf;
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int i, dfd, ffd, mode, rc = -1;
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int i, dfd, ffd, mode, rc = -1;
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@ -147,7 +148,7 @@ try_again:
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if (!rc) {
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if (!rc) {
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if (!*device)
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if (!*device)
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*device = xstrdup(dev);
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*device = xstrdup(dev);
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return (mode == O_RDONLY) ? 1 : 0;
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return (mode == O_RDONLY); /* 1:ro, 0:rw */
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}
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}
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return rc;
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return rc;
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}
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}
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@ -14,6 +14,10 @@ void bb_perror_msg(const char *s, ...)
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va_list p;
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va_list p;
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va_start(p, s);
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va_start(p, s);
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/* Guard against "<error message>: Success" */
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if (!errno)
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bb_verror_msg(s, p, NULL);
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else
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bb_vperror_msg(s, p);
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bb_vperror_msg(s, p);
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va_end(p);
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va_end(p);
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}
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}
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@ -14,6 +14,10 @@ void bb_perror_msg_and_die(const char *s, ...)
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va_list p;
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va_list p;
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va_start(p, s);
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va_start(p, s);
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/* Guard against "<error message>: Success" */
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if (!errno)
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bb_verror_msg(s, p, NULL);
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else
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bb_vperror_msg(s, p);
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bb_vperror_msg(s, p);
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va_end(p);
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va_end(p);
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xfunc_die();
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xfunc_die();
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@ -1458,15 +1458,12 @@ static int singlemount(struct mntent *mp, int ignore_busy)
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if (ENABLE_FEATURE_MOUNT_LOOP && S_ISREG(st.st_mode)) {
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if (ENABLE_FEATURE_MOUNT_LOOP && S_ISREG(st.st_mode)) {
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loopFile = bb_simplify_path(mp->mnt_fsname);
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loopFile = bb_simplify_path(mp->mnt_fsname);
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mp->mnt_fsname = 0;
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mp->mnt_fsname = NULL; /* will receive malloced loop dev name */
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switch (set_loop(&(mp->mnt_fsname), loopFile, 0)) {
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if (set_loop(&(mp->mnt_fsname), loopFile, 0) < 0) {
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case 0:
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if (errno == EPERM || errno == EACCES)
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case 1:
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bb_error_msg(bb_msg_perm_denied_are_you_root);
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break;
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else
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default:
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bb_perror_msg("cannot setup loop device");
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bb_error_msg( errno == EPERM || errno == EACCES
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? bb_msg_perm_denied_are_you_root
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: "cannot setup loop device");
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return errno;
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return errno;
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}
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}
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@ -1516,10 +1513,10 @@ static int singlemount(struct mntent *mp, int ignore_busy)
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if (ENABLE_FEATURE_CLEAN_UP)
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if (ENABLE_FEATURE_CLEAN_UP)
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free(filteropts);
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free(filteropts);
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if (rc && errno == EBUSY && ignore_busy) rc = 0;
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if (rc && errno == EBUSY && ignore_busy)
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rc = 0;
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if (rc < 0)
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if (rc < 0)
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/* perror here sometimes says "mounting ... on ... failed: Success" */
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bb_perror_msg("mounting %s on %s failed", mp->mnt_fsname, mp->mnt_dir);
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bb_error_msg("mounting %s on %s failed", mp->mnt_fsname, mp->mnt_dir);
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return rc;
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return rc;
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}
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}
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@ -1527,7 +1524,7 @@ static int singlemount(struct mntent *mp, int ignore_busy)
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// Parse options, if necessary parse fstab/mtab, and call singlemount for
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// Parse options, if necessary parse fstab/mtab, and call singlemount for
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// each directory to be mounted.
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// each directory to be mounted.
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const char must_be_root[] = "you must be root";
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static const char must_be_root[] = "you must be root";
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int mount_main(int argc, char **argv);
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int mount_main(int argc, char **argv);
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int mount_main(int argc, char **argv)
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int mount_main(int argc, char **argv)
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