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sysusers: use return_error_errno() where possible
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
71fb15888b
commit
330d1defdb
@ -389,15 +389,15 @@ static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char
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while ((r = fgetpwent_sane(original, &pw)) > 0) {
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i = ordered_hashmap_get(users, pw->pw_name);
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if (i && i->todo_user) {
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log_error("%s: User \"%s\" already exists.", passwd_path, pw->pw_name);
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return -EEXIST;
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}
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if (i && i->todo_user)
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return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
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"%s: User \"%s\" already exists.",
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passwd_path, pw->pw_name);
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if (ordered_hashmap_contains(todo_uids, UID_TO_PTR(pw->pw_uid))) {
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log_error("%s: Detected collision for UID " UID_FMT ".", passwd_path, pw->pw_uid);
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return -EEXIST;
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}
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if (ordered_hashmap_contains(todo_uids, UID_TO_PTR(pw->pw_uid)))
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return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
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"%s: Detected collision for UID " UID_FMT ".",
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passwd_path, pw->pw_uid);
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/* Make sure we keep the NIS entries (if any) at the end. */
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if (IN_SET(pw->pw_name[0], '+', '-'))
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@ -592,15 +592,15 @@ static int write_temporary_group(const char *group_path, FILE **tmpfile, char **
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* step that we don't generate duplicate entries. */
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i = ordered_hashmap_get(groups, gr->gr_name);
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if (i && i->todo_group) {
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log_error("%s: Group \"%s\" already exists.", group_path, gr->gr_name);
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return -EEXIST;
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}
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if (i && i->todo_group)
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return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
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"%s: Group \"%s\" already exists.",
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group_path, gr->gr_name);
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if (ordered_hashmap_contains(todo_gids, GID_TO_PTR(gr->gr_gid))) {
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log_error("%s: Detected collision for GID " GID_FMT ".", group_path, gr->gr_gid);
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return -EEXIST;
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}
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if (ordered_hashmap_contains(todo_gids, GID_TO_PTR(gr->gr_gid)))
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return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
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"%s: Detected collision for GID " GID_FMT ".",
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group_path, gr->gr_gid);
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/* Make sure we keep the NIS entries (if any) at the end. */
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if (IN_SET(gr->gr_name[0], '+', '-'))
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@ -687,10 +687,10 @@ static int write_temporary_gshadow(const char * gshadow_path, FILE **tmpfile, ch
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while ((r = fgetsgent_sane(original, &sg)) > 0) {
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i = ordered_hashmap_get(groups, sg->sg_namp);
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if (i && i->todo_group) {
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log_error("%s: Group \"%s\" already exists.", gshadow_path, sg->sg_namp);
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return -EEXIST;
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}
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if (i && i->todo_group)
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return log_error_errno(SYNTHETIC_ERRNO(EEXIST),
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"%s: Group \"%s\" already exists.",
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gshadow_path, sg->sg_namp);
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r = putsgent_with_members(sg, gshadow);
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if (r < 0)
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@ -1021,10 +1021,8 @@ static int add_user(Item *i) {
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if (!i->uid_set) {
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for (;;) {
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r = uid_range_next_lower(uid_range, n_uid_range, &search_uid);
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if (r < 0) {
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log_error("No free user ID available for %s.", i->name);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "No free user ID available for %s.", i->name);
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r = uid_is_ok(search_uid, i->name, true);
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if (r < 0)
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@ -1178,10 +1176,8 @@ static int add_group(Item *i) {
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for (;;) {
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/* We look for new GIDs in the UID pool! */
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r = uid_range_next_lower(uid_range, n_uid_range, &search_uid);
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if (r < 0) {
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log_error("No free group ID available for %s.", i->name);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "No free group ID available for %s.", i->name);
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r = gid_is_ok(search_uid);
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if (r < 0)
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@ -1396,29 +1392,23 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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p = buffer;
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r = extract_many_words(&p, NULL, EXTRACT_QUOTES,
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&action, &name, &id, &description, &home, &shell, NULL);
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if (r < 0) {
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log_error("[%s:%u] Syntax error.", fname, line);
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return r;
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}
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if (r < 2) {
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log_error("[%s:%u] Missing action and name columns.", fname, line);
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return -EINVAL;
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}
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if (!isempty(p)) {
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log_error("[%s:%u] Trailing garbage.", fname, line);
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return -EINVAL;
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}
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if (r < 0)
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return log_error_errno(r, "[%s:%u] Syntax error.", fname, line);
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if (r < 2)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Missing action and name columns.", fname, line);
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if (!isempty(p))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Trailing garbage.", fname, line);
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/* Verify action */
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if (strlen(action) != 1) {
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log_error("[%s:%u] Unknown modifier '%s'", fname, line, action);
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return -EINVAL;
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}
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if (strlen(action) != 1)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Unknown modifier '%s'", fname, line, action);
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if (!IN_SET(action[0], ADD_USER, ADD_GROUP, ADD_MEMBER, ADD_RANGE)) {
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log_error("[%s:%u] Unknown command type '%c'.", fname, line, action[0]);
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return -EBADMSG;
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}
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if (!IN_SET(action[0], ADD_USER, ADD_GROUP, ADD_MEMBER, ADD_RANGE))
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return log_error_errno(SYNTHETIC_ERRNO(EBADMSG),
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"[%s:%u] Unknown command type '%c'.", fname, line, action[0]);
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/* Verify name */
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if (isempty(name) || streq(name, "-"))
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@ -1426,15 +1416,13 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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if (name) {
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r = specifier_printf(name, specifier_table, NULL, &resolved_name);
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if (r < 0) {
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log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, name);
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return r;
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}
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if (r < 0)
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log_error_errno(r, "[%s:%u] Failed to replace specifiers: %s", fname, line, name);
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if (!valid_user_group_name(resolved_name)) {
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log_error("[%s:%u] '%s' is not a valid user or group name.", fname, line, resolved_name);
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return -EINVAL;
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}
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if (!valid_user_group_name(resolved_name))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] '%s' is not a valid user or group name.",
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fname, line, resolved_name);
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}
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/* Verify id */
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@ -1443,10 +1431,9 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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if (id) {
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r = specifier_printf(id, specifier_table, NULL, &resolved_id);
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if (r < 0) {
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log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, name);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "[%s:%u] Failed to replace specifiers: %s",
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fname, line, name);
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}
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/* Verify description */
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@ -1455,15 +1442,14 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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if (description) {
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r = specifier_printf(description, specifier_table, NULL, &resolved_description);
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if (r < 0) {
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log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, description);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "[%s:%u] Failed to replace specifiers: %s",
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fname, line, description);
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if (!valid_gecos(resolved_description)) {
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log_error("[%s:%u] '%s' is not a valid GECOS field.", fname, line, resolved_description);
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return -EINVAL;
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}
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if (!valid_gecos(resolved_description))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] '%s' is not a valid GECOS field.",
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fname, line, resolved_description);
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}
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/* Verify home */
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@ -1472,15 +1458,14 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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if (home) {
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r = specifier_printf(home, specifier_table, NULL, &resolved_home);
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if (r < 0) {
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log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, home);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "[%s:%u] Failed to replace specifiers: %s",
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fname, line, home);
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if (!valid_home(resolved_home)) {
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log_error("[%s:%u] '%s' is not a valid home directory field.", fname, line, resolved_home);
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return -EINVAL;
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}
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if (!valid_home(resolved_home))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] '%s' is not a valid home directory field.",
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fname, line, resolved_home);
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}
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/* Verify shell */
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@ -1489,42 +1474,39 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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if (shell) {
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r = specifier_printf(shell, specifier_table, NULL, &resolved_shell);
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if (r < 0) {
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log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, shell);
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return r;
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}
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if (r < 0)
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return log_error_errno(r, "[%s:%u] Failed to replace specifiers: %s",
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fname, line, shell);
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if (!valid_shell(resolved_shell)) {
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log_error("[%s:%u] '%s' is not a valid login shell field.", fname, line, resolved_shell);
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return -EINVAL;
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}
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if (!valid_shell(resolved_shell))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] '%s' is not a valid login shell field.",
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fname, line, resolved_shell);
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}
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switch (action[0]) {
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case ADD_RANGE:
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if (resolved_name) {
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log_error("[%s:%u] Lines of type 'r' don't take a name field.", fname, line);
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return -EINVAL;
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}
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if (resolved_name)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'r' don't take a name field.",
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fname, line);
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if (!resolved_id) {
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log_error("[%s:%u] Lines of type 'r' require a ID range in the third field.", fname, line);
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return -EINVAL;
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}
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if (!resolved_id)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'r' require a ID range in the third field.",
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fname, line);
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if (description || home || shell) {
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log_error("[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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return -EINVAL;
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}
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if (description || home || shell)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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r = uid_range_add_str(&uid_range, &n_uid_range, resolved_id);
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if (r < 0) {
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log_error("[%s:%u] Invalid UID range %s.", fname, line, resolved_id);
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return -EINVAL;
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}
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if (r < 0)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Invalid UID range %s.", fname, line, resolved_id);
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return 0;
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@ -1532,27 +1514,26 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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char **l;
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/* Try to extend an existing member or group item */
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if (!name) {
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log_error("[%s:%u] Lines of type 'm' require a user name in the second field.", fname, line);
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return -EINVAL;
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}
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if (!name)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'm' require a user name in the second field.",
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fname, line);
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if (!resolved_id) {
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log_error("[%s:%u] Lines of type 'm' require a group name in the third field.", fname, line);
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return -EINVAL;
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}
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if (!resolved_id)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'm' require a group name in the third field.",
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fname, line);
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if (!valid_user_group_name(resolved_id)) {
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log_error("[%s:%u] '%s' is not a valid user or group name.", fname, line, resolved_id);
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return -EINVAL;
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}
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if (!valid_user_group_name(resolved_id))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] '%s' is not a valid user or group name.",
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fname, line, resolved_id);
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if (description || home || shell) {
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log_error("[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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return -EINVAL;
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}
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if (description || home || shell)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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r = ordered_hashmap_ensure_allocated(&members, &members_hash_ops);
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if (r < 0)
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@ -1591,10 +1572,10 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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}
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case ADD_USER:
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if (!name) {
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log_error("[%s:%u] Lines of type 'u' require a user name in the second field.", fname, line);
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return -EINVAL;
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}
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if (!name)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'u' require a user name in the second field.",
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fname, line);
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r = ordered_hashmap_ensure_allocated(&users, &item_hash_ops);
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if (r < 0)
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@ -1635,17 +1616,16 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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break;
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case ADD_GROUP:
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if (!name) {
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log_error("[%s:%u] Lines of type 'g' require a user name in the second field.", fname, line);
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return -EINVAL;
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}
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if (!name)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type 'g' require a user name in the second field.",
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fname, line);
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if (description || home || shell) {
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log_error("[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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return -EINVAL;
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}
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if (description || home || shell)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
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"[%s:%u] Lines of type '%c' don't take a %s field.",
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fname, line, action[0],
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description ? "GECOS" : home ? "home directory" : "login shell");
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r = ordered_hashmap_ensure_allocated(&groups, &item_hash_ops);
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if (r < 0)
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@ -1680,7 +1660,6 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
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existing = ordered_hashmap_get(h, i->name);
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if (existing) {
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/* Two identical items are fine */
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if (!item_equal(existing, i))
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log_warning("Two or more conflicting lines for %s configured, ignoring.", i->name);
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