diff options
Diffstat (limited to 'tools/testing/selftests/landlock/audit.h')
| -rw-r--r-- | tools/testing/selftests/landlock/audit.h | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/tools/testing/selftests/landlock/audit.h b/tools/testing/selftests/landlock/audit.h index b9054086a0c9..b16986aa6442 100644 --- a/tools/testing/selftests/landlock/audit.h +++ b/tools/testing/selftests/landlock/audit.h @@ -300,15 +300,22 @@ out: return err; } -static int __maybe_unused matches_log_domain_allocated(int audit_fd, +static int __maybe_unused matches_log_domain_allocated(int audit_fd, pid_t pid, __u64 *domain_id) { - return audit_match_record( - audit_fd, AUDIT_LANDLOCK_DOMAIN, - REGEX_LANDLOCK_PREFIX - " status=allocated mode=enforcing pid=[0-9]\\+ uid=[0-9]\\+" - " exe=\"[^\"]\\+\" comm=\".*_test\"$", - domain_id); + static const char log_template[] = REGEX_LANDLOCK_PREFIX + " status=allocated mode=enforcing pid=%d uid=[0-9]\\+" + " exe=\"[^\"]\\+\" comm=\".*_test\"$"; + char log_match[sizeof(log_template) + 10]; + int log_match_len; + + log_match_len = + snprintf(log_match, sizeof(log_match), log_template, pid); + if (log_match_len > sizeof(log_match)) + return -E2BIG; + + return audit_match_record(audit_fd, AUDIT_LANDLOCK_DOMAIN, log_match, + domain_id); } static int __maybe_unused matches_log_domain_deallocated( @@ -396,11 +403,12 @@ static int audit_init_filter_exe(struct audit_filter *filter, const char *path) /* It is assume that there is not already filtering rules. */ filter->record_type = AUDIT_EXE; if (!path) { - filter->exe_len = readlink("/proc/self/exe", filter->exe, - sizeof(filter->exe) - 1); - if (filter->exe_len < 0) + int ret = readlink("/proc/self/exe", filter->exe, + sizeof(filter->exe) - 1); + if (ret < 0) return -errno; + filter->exe_len = ret; return 0; } |