diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bindfs.c | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/src/bindfs.c b/src/bindfs.c index 3ee8ac5..48a8693 100644 --- a/src/bindfs.c +++ b/src/bindfs.c @@ -40,6 +40,7 @@ #include <stdlib.h> #include <stddef.h> #include <stdio.h> +#include <stdbool.h> #include <string.h> #include <ctype.h> #ifdef HAVE_SYS_TYPES_H @@ -164,7 +165,7 @@ static int is_mirroring_enabled(); static int is_mirrored_user(uid_t uid); /* Processes the virtual path to a real path. Always free() the result. */ -static char *process_path(const char *path); +static char *process_path(const char *path, bool resolve_symlinks); /* The common parts of getattr and fgetattr. */ static int getattr_common(const char *path, struct stat *stbuf); @@ -246,7 +247,7 @@ static int is_mirrored_user(uid_t uid) } -static char * process_path(const char *path) +static char * process_path(const char *path, bool resolve_symlinks) { char * res; @@ -261,7 +262,7 @@ static char * process_path(const char *path) if (*path == '\0') path = "."; - if (settings.resolve_symlinks) { + if (resolve_symlinks && settings.resolve_symlinks) { res = realpath(path, NULL); if (res) return res; @@ -398,7 +399,7 @@ static int bindfs_getattr(const char *path, struct stat *stbuf) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -418,7 +419,7 @@ static int bindfs_fgetattr(const char *path, struct stat *stbuf, int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -436,7 +437,7 @@ static int bindfs_readlink(const char *path, char *buf, size_t size) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -458,7 +459,7 @@ static int bindfs_opendir(const char *path, struct fuse_file_info *fi) DIR *dp; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -487,7 +488,7 @@ static int bindfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, long pc_ret; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -535,7 +536,7 @@ static int bindfs_mknod(const char *path, mode_t mode, dev_t rdev) struct fuse_context *fc; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -563,7 +564,7 @@ static int bindfs_mkdir(const char *path, mode_t mode) struct fuse_context *fc; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -588,7 +589,7 @@ static int bindfs_unlink(const char *path) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, false); if (real_path == NULL) return -errno; @@ -604,11 +605,23 @@ static int bindfs_rmdir(const char *path) { int res; char *real_path; + struct stat st; - real_path = process_path(path); + real_path = process_path(path, false); if (real_path == NULL) return -errno; + if (lstat(real_path, &st) == -1) + return -errno; + + if (S_ISLNK(st.st_mode)) { + res = unlink(real_path); + free(real_path); + if (res == -1) + return -errno; + return 0; + } + res = rmdir(real_path); free(real_path); if (res == -1) @@ -626,11 +639,11 @@ static int bindfs_symlink(const char *from, const char *to) if (settings.resolve_symlinks) return -EPERM; - real_from = process_path(from); + real_from = process_path(from, false); if (real_from == NULL) return -errno; - real_to = process_path(to); + real_to = process_path(to, false); if (real_to == NULL) { free(real_from); return -errno; @@ -656,11 +669,11 @@ static int bindfs_rename(const char *from, const char *to) int res; char *real_from, *real_to; - real_from = process_path(from); + real_from = process_path(from, false); if (real_from == NULL) return -errno; - real_to = process_path(to); + real_to = process_path(to, true); if (real_to == NULL) { free(real_from); return -errno; @@ -680,11 +693,11 @@ static int bindfs_link(const char *from, const char *to) int res; char *real_from, *real_to; - real_from = process_path(from); + real_from = process_path(from, true); if (real_from == NULL) return -errno; - real_to = process_path(to); + real_to = process_path(to, true); if (real_to == NULL) { free(real_from); return -errno; @@ -706,7 +719,7 @@ static int bindfs_chmod(const char *path, mode_t mode) mode_t diff = 0; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -794,7 +807,7 @@ static int bindfs_chown(const char *path, uid_t uid, gid_t gid) } if (uid != -1 || gid != -1) { - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -812,7 +825,7 @@ static int bindfs_truncate(const char *path, off_t size) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -842,7 +855,7 @@ static int bindfs_utimens(const char *path, const struct timespec ts[2]) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL ) return -errno; @@ -872,7 +885,7 @@ static int bindfs_create(const char *path, mode_t mode, struct fuse_file_info *f struct fuse_context *fc; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -898,7 +911,7 @@ static int bindfs_open(const char *path, struct fuse_file_info *fi) int fd; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -950,7 +963,7 @@ static int bindfs_statfs(const char *path, struct statvfs *stbuf) int res; char *real_path; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -1012,7 +1025,7 @@ static int bindfs_setxattr(const char *path, const char *name, const char *value if (settings.xattr_policy == XATTR_READ_ONLY) return -EACCES; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -1054,7 +1067,7 @@ static int bindfs_getxattr(const char *path, const char *name, char *value, DPRINTF("getxattr %s %s", path, name); - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -1084,7 +1097,7 @@ static int bindfs_listxattr(const char *path, char* list, size_t size) DPRINTF("listxattr %s", path); - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; @@ -1137,7 +1150,7 @@ static int bindfs_removexattr(const char *path, const char *name) if (settings.xattr_policy == XATTR_READ_ONLY) return -EACCES; - real_path = process_path(path); + real_path = process_path(path, true); if (real_path == NULL) return -errno; |