diff options
| -rw-r--r-- | src/binfmt/binfmt.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/binfmt/binfmt.c b/src/binfmt/binfmt.c index 7ff844c78c..5e812e89a5 100644 --- a/src/binfmt/binfmt.c +++ b/src/binfmt/binfmt.c @@ -32,18 +32,17 @@ static int delete_rule(const char *rule) { assert(rule); assert(rule[0]); - x = strdup(rule); + e = strchrnul(rule + 1, rule[0]); + x = strndup(rule + 1, e - rule - 1); if (!x) return log_oom(); - e = strchrnul(x+1, x[0]); - *e = 0; - - if (!filename_is_valid(x + 1)) + if (!filename_is_valid(x) || + STR_IN_SET(x, "register", "status")) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), - "Rule file name '%s' is not valid, refusing.", x + 1); + "Rule file name '%s' is not valid, refusing.", x); - fn = path_join("/proc/sys/fs/binfmt_misc", x+1); + fn = path_join("/proc/sys/fs/binfmt_misc", x); if (!fn) return log_oom(); |