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Diffstat (limited to 'src/shared/ask-password-api.c')
-rw-r--r--src/shared/ask-password-api.c131
1 files changed, 61 insertions, 70 deletions
diff --git a/src/shared/ask-password-api.c b/src/shared/ask-password-api.c
index b02cdf9a17..314f983b20 100644
--- a/src/shared/ask-password-api.c
+++ b/src/shared/ask-password-api.c
@@ -18,26 +18,28 @@
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdbool.h>
-#include <termios.h>
-#include <unistd.h>
-#include <poll.h>
-#include <sys/inotify.h>
+
#include <errno.h>
#include <fcntl.h>
-#include <sys/socket.h>
-#include <string.h>
-#include <sys/un.h>
+#include <poll.h>
+#include <stdbool.h>
#include <stddef.h>
+#include <string.h>
+#include <sys/inotify.h>
#include <sys/signalfd.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <termios.h>
+#include <unistd.h>
-#include "util.h"
#include "formats-util.h"
#include "mkdir.h"
-#include "strv.h"
#include "random-util.h"
-#include "terminal-util.h"
#include "signal-util.h"
+#include "socket-util.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "util.h"
#include "ask-password-api.h"
static void backspace_chars(int ttyfd, size_t p) {
@@ -97,10 +99,10 @@ int ask_password_tty(
goto finish;
}
- loop_write(ttyfd, ANSI_HIGHLIGHT, sizeof(ANSI_HIGHLIGHT)-1, false);
+ loop_write(ttyfd, ANSI_HIGHLIGHT, strlen(ANSI_HIGHLIGHT), false);
loop_write(ttyfd, message, strlen(message), false);
loop_write(ttyfd, " ", 1, false);
- loop_write(ttyfd, ANSI_NORMAL, sizeof(ANSI_NORMAL)-1, false);
+ loop_write(ttyfd, ANSI_NORMAL, strlen(ANSI_NORMAL), false);
new_termios = old_termios;
new_termios.c_lflag &= ~(ICANON|ECHO);
@@ -247,52 +249,38 @@ finish:
}
static int create_socket(char **name) {
- int fd;
- union {
- struct sockaddr sa;
- struct sockaddr_un un;
- } sa = {
+ union sockaddr_union sa = {
.un.sun_family = AF_UNIX,
};
- int one = 1;
- int r = 0;
+ _cleanup_close_ int fd = -1;
+ static const int one = 1;
char *c;
+ int r;
assert(name);
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (fd < 0)
- return log_error_errno(errno, "socket() failed: %m");
+ return -errno;
snprintf(sa.un.sun_path, sizeof(sa.un.sun_path)-1, "/run/systemd/ask-password/sck.%" PRIx64, random_u64());
RUN_WITH_UMASK(0177) {
- r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
+ if (bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0)
+ return -errno;
}
- if (r < 0) {
- r = -errno;
- log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
- goto fail;
- }
-
- if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0) {
- r = -errno;
- log_error_errno(errno, "SO_PASSCRED failed: %m");
- goto fail;
- }
+ if (setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)) < 0)
+ return -errno;
c = strdup(sa.un.sun_path);
- if (!c) {
- r = log_oom();
- goto fail;
- }
+ if (!c)
+ return -ENOMEM;
*name = c;
- return fd;
-fail:
- safe_close(fd);
+ r = fd;
+ fd = -1;
return r;
}
@@ -323,24 +311,24 @@ int ask_password_agent(
assert(_passphrases);
+
assert_se(sigemptyset(&mask) >= 0);
assert_se(sigset_add_many(&mask, SIGINT, SIGTERM, -1) >= 0);
assert_se(sigprocmask(SIG_BLOCK, &mask, &oldmask) >= 0);
- mkdir_p_label("/run/systemd/ask-password", 0755);
+ (void) mkdir_p_label("/run/systemd/ask-password", 0755);
fd = mkostemp_safe(temp, O_WRONLY|O_CLOEXEC);
if (fd < 0) {
- r = log_error_errno(errno,
- "Failed to create password file: %m");
+ r = -errno;
goto finish;
}
- fchmod(fd, 0644);
+ (void) fchmod(fd, 0644);
f = fdopen(fd, "w");
if (!f) {
- r = log_error_errno(errno, "Failed to allocate FILE: %m");
+ r = -errno;
goto finish;
}
@@ -348,7 +336,7 @@ int ask_password_agent(
signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
if (signal_fd < 0) {
- r = log_error_errno(errno, "signalfd(): %m");
+ r = -errno;
goto finish;
}
@@ -381,10 +369,8 @@ int ask_password_agent(
fprintf(f, "Id=%s\n", id);
r = fflush_and_check(f);
- if (r < 0) {
- log_error_errno(r, "Failed to write query file: %m");
+ if (r < 0)
goto finish;
- }
memcpy(final, temp, sizeof(temp));
@@ -393,7 +379,7 @@ int ask_password_agent(
final[sizeof(final)-9] = 'k';
if (rename(temp, final) < 0) {
- r = log_error_errno(errno, "Failed to rename query file: %m");
+ r = -errno;
goto finish;
}
@@ -419,7 +405,6 @@ int ask_password_agent(
t = now(CLOCK_MONOTONIC);
if (until > 0 && until <= t) {
- log_notice("Timed out");
r = -ETIME;
goto finish;
}
@@ -429,12 +414,11 @@ int ask_password_agent(
if (errno == EINTR)
continue;
- r = log_error_errno(errno, "poll() failed: %m");
+ r = -errno;
goto finish;
}
if (k <= 0) {
- log_notice("Timed out");
r = -ETIME;
goto finish;
}
@@ -445,7 +429,6 @@ int ask_password_agent(
}
if (pollfd[FD_SOCKET].revents != POLLIN) {
- log_error("Unexpected poll() event.");
r = -EIO;
goto finish;
}
@@ -467,14 +450,14 @@ int ask_password_agent(
errno == EINTR)
continue;
- r = log_error_errno(errno, "recvmsg() failed: %m");
+ r = -errno;
goto finish;
}
cmsg_close_all(&msghdr);
if (n <= 0) {
- log_error("Message too short");
+ log_debug("Message too short");
continue;
}
@@ -482,13 +465,13 @@ int ask_password_agent(
control.cmsghdr.cmsg_level != SOL_SOCKET ||
control.cmsghdr.cmsg_type != SCM_CREDENTIALS ||
control.cmsghdr.cmsg_len != CMSG_LEN(sizeof(struct ucred))) {
- log_warning("Received message without credentials. Ignoring.");
+ log_debug("Received message without credentials. Ignoring.");
continue;
}
ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
if (ucred->uid != 0) {
- log_warning("Got request from unprivileged user. Ignoring.");
+ log_debug("Got request from unprivileged user. Ignoring.");
continue;
}
@@ -508,7 +491,7 @@ int ask_password_agent(
if (strv_length(l) <= 0) {
strv_free(l);
- log_error("Invalid packet");
+ log_debug("Invalid packet");
continue;
}
@@ -518,7 +501,7 @@ int ask_password_agent(
r = -ECANCELED;
goto finish;
} else {
- log_error("Invalid packet");
+ log_debug("Invalid packet");
continue;
}
@@ -529,25 +512,32 @@ int ask_password_agent(
finish:
if (socket_name)
- unlink(socket_name);
+ (void) unlink(socket_name);
- unlink(temp);
+ (void) unlink(temp);
if (final[0])
- unlink(final);
+ (void) unlink(final);
assert_se(sigprocmask(SIG_SETMASK, &oldmask, NULL) == 0);
return r;
}
-int ask_password_auto(const char *message, const char *icon, const char *id,
- usec_t until, bool accept_cached, char ***_passphrases) {
+int ask_password_auto(
+ const char *message,
+ const char *icon,
+ const char *id,
+ usec_t until,
+ bool accept_cached,
+ char ***_passphrases) {
+
+ int r;
+
assert(message);
assert(_passphrases);
if (isatty(STDIN_FILENO)) {
- int r;
char *s = NULL, **l = NULL;
r = ask_password_tty(message, until, false, NULL, &s);
@@ -556,10 +546,11 @@ int ask_password_auto(const char *message, const char *icon, const char *id,
r = strv_consume(&l, s);
if (r < 0)
- return r;
+ return -ENOMEM;
*_passphrases = l;
- return r;
- } else
- return ask_password_agent(message, icon, id, until, false, accept_cached, _passphrases);
+ return 0;
+ }
+
+ return ask_password_agent(message, icon, id, until, false, accept_cached, _passphrases);
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-23 02:25:51 +0000