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smartdns: when running as non-root, no create pid file.

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This commit is contained in:
Nick Peng
2023-11-14 22:23:31 +08:00
parent c9524065a5
commit eb9fc6c13d
1 changed files with 12 additions and 0 deletions
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12
src/smartdns.c
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@@ -767,6 +767,7 @@ int main(int argc, char *argv[])
int opt = 0;
char config_file[MAX_LINE_LEN];
char pid_file[MAX_LINE_LEN];
int is_pid_file_set = 0;
int signal_ignore = 0;
sigset_t empty_sigblock;
struct stat sb;
@@ -800,6 +801,7 @@ int main(int argc, char *argv[])
case 'p':
if (strncmp(optarg, "-", 2) == 0 || full_path(pid_file, sizeof(pid_file), optarg) != 0) {
snprintf(pid_file, sizeof(pid_file), "%s", optarg);
is_pid_file_set = 1;
}
break;
case 'S':
@@ -856,6 +858,16 @@ int main(int argc, char *argv[])
_reg_signal();
}
if (is_pid_file_set == 0) {
char pid_file_path[MAX_LINE_LEN];
safe_strncpy(pid_file_path, pid_file, MAX_LINE_LEN);
dir_name(pid_file_path);
if (access(pid_file_path, W_OK) != 0) {
dns_no_pidfile = 1;
}
}
if (strncmp(pid_file, "-", 2) != 0 && dns_no_pidfile == 0 && create_pid_file(pid_file) != 0) {
ret = -3;
goto errout;