summaryrefslogtreecommitdiff
path: root/src/tty-ask-password-agent/tty-ask-password-agent.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/tty-ask-password-agent/tty-ask-password-agent.c')
-rw-r--r--src/tty-ask-password-agent/tty-ask-password-agent.c95
1 files changed, 38 insertions, 57 deletions
diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c b/src/tty-ask-password-agent/tty-ask-password-agent.c
index 5852f71173..a7fce518a5 100644
--- a/src/tty-ask-password-agent/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent/tty-ask-password-agent.c
@@ -243,10 +243,9 @@ finish:
}
static int parse_password(const char *filename, char **wall) {
- char *socket_name = NULL, *message = NULL, *packet = NULL;
+ _cleanup_free_ char *socket_name = NULL, *message = NULL, *packet = NULL;
uint64_t not_after = 0;
unsigned pid = 0;
- int socket_fd = -1;
bool accept_cached = false;
const ConfigTableItem items[] = {
@@ -271,24 +270,18 @@ static int parse_password(const char *filename, char **wall) {
if (!socket_name) {
log_error("Invalid password file %s", filename);
- r = -EBADMSG;
- goto finish;
+ return -EBADMSG;
}
- if (not_after > 0) {
- if (now(CLOCK_MONOTONIC) > not_after) {
- r = 0;
- goto finish;
- }
- }
+ if (not_after > 0 && now(CLOCK_MONOTONIC) > not_after)
+ return 0;
- if (pid > 0 && !pid_is_alive(pid)) {
- r = 0;
- goto finish;
- }
+ if (pid > 0 && !pid_is_alive(pid))
+ return 0;
if (arg_action == ACTION_LIST)
printf("'%s' (PID %u)\n", message, pid);
+
else if (arg_action == ACTION_WALL) {
char *_wall;
@@ -298,43 +291,40 @@ static int parse_password(const char *filename, char **wall) {
*wall ? *wall : "",
*wall ? "\r\n\r\n" : "",
message,
- pid) < 0) {
- r = log_oom();
- goto finish;
- }
+ pid) < 0)
+ return log_oom();
free(*wall);
*wall = _wall;
+
} else {
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- } sa = {};
+ union sockaddr_union sa = {};
size_t packet_length = 0;
+ _cleanup_close_ int socket_fd = -1;
assert(arg_action == ACTION_QUERY ||
arg_action == ACTION_WATCH);
if (access(socket_name, W_OK) < 0) {
-
if (arg_action == ACTION_QUERY)
log_info("Not querying '%s' (PID %u), lacking privileges.", message, pid);
- r = 0;
- goto finish;
+ return 0;
}
if (arg_plymouth) {
_cleanup_strv_free_ char **passwords = NULL;
- if ((r = ask_password_plymouth(message, not_after, filename, accept_cached, &passwords)) >= 0) {
+ r = ask_password_plymouth(message, not_after, filename, accept_cached, &passwords);
+ if (r >= 0) {
char **p;
packet_length = 1;
STRV_FOREACH(p, passwords)
packet_length += strlen(*p) + 1;
- if (!(packet = new(char, packet_length)))
+ packet = new(char, packet_length);
+ if (!packet)
r = -ENOMEM;
else {
char *d;
@@ -349,13 +339,13 @@ static int parse_password(const char *filename, char **wall) {
} else {
int tty_fd = -1;
- char *password = NULL;
+ _cleanup_free_ char *password = NULL;
- if (arg_console)
- if ((tty_fd = acquire_terminal("/dev/console", false, false, false, (usec_t) -1)) < 0) {
- r = tty_fd;
- goto finish;
- }
+ if (arg_console) {
+ tty_fd = acquire_terminal("/dev/console", false, false, false, (usec_t) -1);
+ if (tty_fd < 0)
+ return tty_fd;
+ }
r = ask_password_tty(message, not_after, filename, &password);
@@ -365,53 +355,44 @@ static int parse_password(const char *filename, char **wall) {
}
if (r >= 0) {
- packet_length = 1+strlen(password)+1;
- if (!(packet = new(char, packet_length)))
+ packet_length = 1 + strlen(password) + 1;
+ packet = new(char, packet_length);
+ if (!packet)
r = -ENOMEM;
else {
packet[0] = '+';
- strcpy(packet+1, password);
+ strcpy(packet + 1, password);
}
-
- free(password);
}
}
- if (r == -ETIME || r == -ENOENT) {
+ if (r == -ETIME || r == -ENOENT)
/* If the query went away, that's OK */
- r = 0;
- goto finish;
- }
+ return 0;
if (r < 0) {
log_error("Failed to query password: %s", strerror(-r));
- goto finish;
+ return r;
}
- if ((socket_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) {
+ socket_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
+ if (socket_fd < 0) {
log_error("socket(): %m");
- r = -errno;
- goto finish;
+ return -errno;
}
sa.un.sun_family = AF_UNIX;
strncpy(sa.un.sun_path, socket_name, sizeof(sa.un.sun_path));
- if (sendto(socket_fd, packet, packet_length, MSG_NOSIGNAL, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(socket_name)) < 0) {
+ r = sendto(socket_fd, packet, packet_length, MSG_NOSIGNAL, &sa.sa,
+ offsetof(struct sockaddr_un, sun_path) + strlen(socket_name));
+ if (r < 0) {
log_error("Failed to send: %m");
- r = -errno;
- goto finish;
+ return r;
}
}
-finish:
- safe_close(socket_fd);
-
- free(packet);
- free(socket_name);
- free(message);
-
- return r;
+ return 0;
}
static int wall_tty_block(void) {