X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibelogind%2Fsd-daemon%2Fsd-daemon.c;h=e47da68a66f3cd6a0bcd82998292e15a14b6b8f2;hp=f74f44c65142ec4d31339dad400919c0b1523b25;hb=9e42188e79377946c9d5c197abfb58ad88d7baae;hpb=bfe9c16671c456eb4c12e0ec01564c43a73c3127;ds=inline
diff --git a/src/libelogind/sd-daemon/sd-daemon.c b/src/libelogind/sd-daemon/sd-daemon.c
index f74f44c65..e47da68a6 100644
--- a/src/libelogind/sd-daemon/sd-daemon.c
+++ b/src/libelogind/sd-daemon/sd-daemon.c
@@ -19,31 +19,42 @@
along with systemd; If not, see .
***/
-#include
-#include
-#include
-#include
-#include
#include
-#include
-#include
-#include
-#include
-#include
#include
//#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
-#include "util.h"
#include "path-util.h"
#include "socket-util.h"
+//#include "strv.h"
+#include "util.h"
+
#include "sd-daemon.h"
/// UNNEEDED by elogind
#if 0
+static void unsetenv_all(bool unset_environment) {
+
+ if (!unset_environment)
+ return;
+
+ unsetenv("LISTEN_PID");
+ unsetenv("LISTEN_FDS");
+ unsetenv("LISTEN_FDNAMES");
+}
+
_public_ int sd_listen_fds(int unset_environment) {
const char *e;
- unsigned n;
- int r, fd;
+ int n, r, fd;
pid_t pid;
e = getenv("LISTEN_PID");
@@ -68,27 +79,70 @@ _public_ int sd_listen_fds(int unset_environment) {
goto finish;
}
- r = safe_atou(e, &n);
+ r = safe_atoi(e, &n);
if (r < 0)
goto finish;
- for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + (int) n; fd ++) {
+ assert_cc(SD_LISTEN_FDS_START < INT_MAX);
+ if (n <= 0 || n > INT_MAX - SD_LISTEN_FDS_START) {
+ r = -EINVAL;
+ goto finish;
+ }
+
+ for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd ++) {
r = fd_cloexec(fd, true);
if (r < 0)
goto finish;
}
- r = (int) n;
+ r = n;
finish:
- if (unset_environment) {
- unsetenv("LISTEN_PID");
- unsetenv("LISTEN_FDS");
+ unsetenv_all(unset_environment);
+ return r;
}
+_public_ int sd_listen_fds_with_names(int unset_environment, char ***names) {
+ _cleanup_strv_free_ char **l = NULL;
+ bool have_names;
+ int n_names = 0, n_fds;
+ const char *e;
+ int r;
+
+ if (!names)
+ return sd_listen_fds(unset_environment);
+
+ e = getenv("LISTEN_FDNAMES");
+ if (e) {
+ n_names = strv_split_extract(&l, e, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
+ if (n_names < 0) {
+ unsetenv_all(unset_environment);
+ return n_names;
+ }
+
+ have_names = true;
+ } else
+ have_names = false;
+
+ n_fds = sd_listen_fds(unset_environment);
+ if (n_fds <= 0)
+ return n_fds;
+
+ if (have_names) {
+ if (n_names != n_fds)
+ return -EINVAL;
+ } else {
+ r = strv_extend_n(&l, "unknown", n_fds);
+ if (r < 0)
return r;
}
+ *names = l;
+ l = NULL;
+
+ return n_fds;
+}
+
_public_ int sd_is_fifo(int fd, const char *path) {
struct stat st_fd;
@@ -387,6 +441,11 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
goto finish;
}
+ if (strlen(e) > sizeof(sockaddr.un.sun_path)) {
+ r = -EINVAL;
+ goto finish;
+ }
+
fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
if (fd < 0) {
r = -errno;
@@ -407,9 +466,11 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
if (n_fds > 0 || have_pid) {
/* CMSG_SPACE(0) may return value different then zero, which results in miscalculated controllen. */
- msghdr.msg_controllen = (n_fds ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
- CMSG_SPACE(sizeof(struct ucred)) * have_pid;
- msghdr.msg_control = alloca(msghdr.msg_controllen);
+ msghdr.msg_controllen =
+ (n_fds > 0 ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
+ (have_pid ? CMSG_SPACE(sizeof(struct ucred)) : 0);
+
+ msghdr.msg_control = alloca0(msghdr.msg_controllen);
cmsg = CMSG_FIRSTHDR(&msghdr);
if (n_fds > 0) {
@@ -464,9 +525,12 @@ finish:
return r;
}
+/// UNNEEDED by elogind
+#if 0
_public_ int sd_pid_notify(pid_t pid, int unset_environment, const char *state) {
return sd_pid_notify_with_fds(pid, unset_environment, state, NULL, 0);
}
+#endif // 0
_public_ int sd_notify(int unset_environment, const char *state) {
return sd_pid_notify_with_fds(0, unset_environment, state, NULL, 0);
@@ -511,16 +575,11 @@ _public_ int sd_notifyf(int unset_environment, const char *format, ...) {
}
_public_ int sd_booted(void) {
- struct stat st;
-
/* We test whether the runtime unit file directory has been
* created. This takes place in mount-setup.c, so is
* guaranteed to happen very early during boot. */
- if (lstat("/run/systemd/system/", &st) < 0)
- return 0;
-
- return !!S_ISDIR(st.st_mode);
+ return laccess("/run/systemd/system/", F_OK) >= 0;
}
#endif // 0
@@ -536,7 +595,7 @@ _public_ int sd_watchdog_enabled(int unset_environment, uint64_t *usec) {
r = safe_atou64(s, &u);
if (r < 0)
goto finish;
- if (u <= 0) {
+ if (u <= 0 || u >= USEC_INFINITY) {
r = -EINVAL;
goto finish;
}