diff options
| -rw-r--r-- | builtin-init-db.c | 12 | ||||
| -rw-r--r-- | cache.h | 3 | ||||
| -rw-r--r-- | fast-import.c | 3 | ||||
| -rw-r--r-- | http-push.c | 1 | ||||
| -rw-r--r-- | http-walker.c | 1 | ||||
| -rw-r--r-- | index-pack.c | 7 | ||||
| -rw-r--r-- | path.c | 53 | ||||
| -rw-r--r-- | setup.c | 4 | ||||
| -rw-r--r-- | sha1_file.c | 14 | ||||
| -rwxr-xr-x | t/t1301-shared-repo.sh | 37 |
10 files changed, 97 insertions, 38 deletions
diff --git a/builtin-init-db.c b/builtin-init-db.c index fc63d0fce..4e02b33bb 100644 --- a/builtin-init-db.c +++ b/builtin-init-db.c @@ -194,6 +194,8 @@ static int create_default_files(const char *template_path) git_config(git_default_config, NULL); is_bare_repository_cfg = init_is_bare_repository; + + /* reading existing config may have overwrote it */ if (init_shared_repository != -1) shared_repository = init_shared_repository; @@ -312,12 +314,15 @@ int init_db(const char *template_dir, unsigned int flags) * and compatibility values for PERM_GROUP and * PERM_EVERYBODY. */ - if (shared_repository == PERM_GROUP) + if (shared_repository < 0) + /* force to the mode value */ + sprintf(buf, "0%o", -shared_repository); + else if (shared_repository == PERM_GROUP) sprintf(buf, "%d", OLD_PERM_GROUP); else if (shared_repository == PERM_EVERYBODY) sprintf(buf, "%d", OLD_PERM_EVERYBODY); else - sprintf(buf, "0%o", shared_repository); + die("oops"); git_config_set("core.sharedrepository", buf); git_config_set("receive.denyNonFastforwards", "true"); } @@ -397,6 +402,9 @@ int cmd_init_db(int argc, const char **argv, const char *prefix) usage(init_db_usage); } + if (init_shared_repository != -1) + shared_repository = init_shared_repository; + /* * GIT_WORK_TREE makes sense only in conjunction with GIT_DIR * without --bare. Catch the error early. @@ -623,7 +623,8 @@ enum sharedrepo { PERM_EVERYBODY = 0664, }; int git_config_perm(const char *var, const char *value); -int adjust_shared_perm(const char *path); +int set_shared_perm(const char *path, int mode); +#define adjust_shared_perm(path) set_shared_perm((path), 0) int safe_create_leading_directories(char *path); int safe_create_leading_directories_const(const char *path); char *enter_repo(char *path, int strict); diff --git a/fast-import.c b/fast-import.c index db44da3e0..23c496d68 100644 --- a/fast-import.c +++ b/fast-import.c @@ -903,9 +903,6 @@ static char *keep_pack(char *curr_index_name) static const char *keep_msg = "fast-import"; int keep_fd; - chmod(pack_data->pack_name, 0444); - chmod(curr_index_name, 0444); - keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1); if (keep_fd < 0) die("cannot create keep file"); diff --git a/http-push.c b/http-push.c index 6ce5a1d55..e465b20c1 100644 --- a/http-push.c +++ b/http-push.c @@ -748,7 +748,6 @@ static void finish_request(struct transfer_request *request) aborted = 1; } } else if (request->state == RUN_FETCH_LOOSE) { - fchmod(request->local_fileno, 0444); close(request->local_fileno); request->local_fileno = -1; if (request->curl_result != CURLE_OK && diff --git a/http-walker.c b/http-walker.c index 0dbad3c88..c5a3ea3b3 100644 --- a/http-walker.c +++ b/http-walker.c @@ -231,7 +231,6 @@ static void finish_object_request(struct object_request *obj_req) { struct stat st; - fchmod(obj_req->local, 0444); close(obj_req->local); obj_req->local = -1; if (obj_req->http_code == 416) { diff --git a/index-pack.c b/index-pack.c index 75468228d..6e93ee6af 100644 --- a/index-pack.c +++ b/index-pack.c @@ -823,8 +823,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } if (move_temp_to_file(curr_pack_name, final_pack_name)) die("cannot store pack file"); - } - if (from_stdin) + } else if (from_stdin) chmod(final_pack_name, 0444); if (final_index_name != curr_index_name) { @@ -835,8 +834,8 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } if (move_temp_to_file(curr_index_name, final_index_name)) die("cannot store index file"); - } - chmod(final_index_name, 0444); + } else + chmod(final_index_name, 0444); if (!from_stdin) { printf("%s\n", sha1_to_hex(sha1)); @@ -311,36 +311,49 @@ char *enter_repo(char *path, int strict) return NULL; } -int adjust_shared_perm(const char *path) +int set_shared_perm(const char *path, int mode) { struct stat st; - int mode; + int tweak, shared, orig_mode; - if (!shared_repository) + if (!shared_repository) { + if (mode) + return chmod(path, mode & ~S_IFMT); return 0; - if (lstat(path, &st) < 0) - return -1; - mode = st.st_mode; - - if (shared_repository) { - int tweak = shared_repository; - if (!(mode & S_IWUSR)) - tweak &= ~0222; - mode |= tweak; - } else { - /* Preserve old PERM_UMASK behaviour */ - if (mode & S_IWUSR) - mode |= S_IWGRP; } + if (!mode) { + if (lstat(path, &st) < 0) + return -1; + mode = st.st_mode; + orig_mode = mode; + } else + orig_mode = 0; + if (shared_repository < 0) + shared = -shared_repository; + else + shared = shared_repository; + tweak = shared; + + if (!(mode & S_IWUSR)) + tweak &= ~0222; + if (mode & S_IXUSR) + /* Copy read bits to execute bits */ + tweak |= (tweak & 0444) >> 2; + if (shared_repository < 0) + mode = (mode & ~0777) | tweak; + else + mode |= tweak; if (S_ISDIR(mode)) { - mode |= FORCE_DIR_SET_GID; - /* Copy read bits to execute bits */ - mode |= (shared_repository & 0444) >> 2; + mode |= (shared & 0444) >> 2; + mode |= FORCE_DIR_SET_GID; } - if ((mode & st.st_mode) != mode && chmod(path, mode) < 0) + if (((shared_repository < 0 + ? (orig_mode & (FORCE_DIR_SET_GID | 0777)) + : (orig_mode & mode)) != mode) && + chmod(path, (mode & ~S_IFMT)) < 0) return -2; return 0; } @@ -434,7 +434,7 @@ int git_config_perm(const char *var, const char *value) /* * Treat values 0, 1 and 2 as compatibility cases, otherwise it is - * a chmod value. + * a chmod value to restrict to. */ switch (i) { case PERM_UMASK: /* 0 */ @@ -456,7 +456,7 @@ int git_config_perm(const char *var, const char *value) * Mask filemode value. Others can not get write permission. * x flags for directories are handled separately. */ - return i & 0666; + return -(i & 0666); } int check_repository_format_version(const char *var, const char *value, void *cb) diff --git a/sha1_file.c b/sha1_file.c index 37e833b77..8fe135dc6 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -2216,11 +2216,15 @@ static void write_sha1_file_prepare(const void *buf, unsigned long len, } /* - * Move the just written object into its final resting place + * Move the just written object into its final resting place. + * NEEDSWORK: this should be renamed to finalize_temp_file() as + * "moving" is only a part of what it does, when no patch between + * master to pu changes the call sites of this function. */ int move_temp_to_file(const char *tmpfile, const char *filename) { int ret = 0; + if (link(tmpfile, filename)) ret = errno; @@ -2232,12 +2236,12 @@ int move_temp_to_file(const char *tmpfile, const char *filename) * * The same holds for FAT formatted media. * - * When this succeeds, we just return 0. We have nothing + * When this succeeds, we just return. We have nothing * left to unlink. */ if (ret && ret != EEXIST) { if (!rename(tmpfile, filename)) - return 0; + goto out; ret = errno; } unlink(tmpfile); @@ -2248,6 +2252,9 @@ int move_temp_to_file(const char *tmpfile, const char *filename) /* FIXME!!! Collision check here ? */ } +out: + if (set_shared_perm(filename, (S_IFREG|0444))) + return error("unable to set permission to '%s'", filename); return 0; } @@ -2272,7 +2279,6 @@ static void close_sha1_file(int fd) { if (fsync_object_files) fsync_or_die(fd, "sha1 file"); - fchmod(fd, 0444); if (close(fd) != 0) die("error when closing sha1 file (%s)", strerror(errno)); } diff --git a/t/t1301-shared-repo.sh b/t/t1301-shared-repo.sh index dc4485409..750fbb32e 100755 --- a/t/t1301-shared-repo.sh +++ b/t/t1301-shared-repo.sh @@ -126,4 +126,41 @@ test_expect_success POSIXPERM 'git reflog expire honors core.sharedRepository' ' esac ' +test_expect_success 'forced modes' ' + mkdir -p templates/hooks && + echo update-server-info >templates/hooks/post-update && + chmod +x templates/hooks/post-update && + echo : >random-file && + mkdir new && + ( + cd new && + umask 002 && + git init --shared=0660 --template=../templates && + >frotz && + git add frotz && + git commit -a -m initial && + git repack + ) && + find new/.git -print | + xargs ls -ld >actual && + + # Everything must be unaccessible to others + test -z "$(sed -n -e "/^.......---/d" actual)" && + + # All directories must have either 2770 or 770 + test -z "$(sed -n -e "/^drwxrw[sx]---/d" -e "/^d/p" actual)" && + + # post-update hook must be 0770 + test -z "$(sed -n -e "/post-update/{ + /^-rwxrwx---/d + p + }" actual)" && + + # All files inside objects must be 0440 + test -z "$(sed -n -e "/objects\//{ + /^d/d + /^-r--r-----/d + }" actual)" +' + test_done |