diff options
Diffstat (limited to 'src/libsystemd/sd-daemon/sd-daemon.c')
| -rw-r--r-- | src/libsystemd/sd-daemon/sd-daemon.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c index 82ac72c72a..5fb0b73d02 100644 --- a/src/libsystemd/sd-daemon/sd-daemon.c +++ b/src/libsystemd/sd-daemon/sd-daemon.c @@ -90,7 +90,7 @@ finish: _public_ int sd_is_fifo(int fd, const char *path) { struct stat st_fd; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); if (fstat(fd, &st_fd) < 0) return -errno; @@ -120,7 +120,7 @@ _public_ int sd_is_fifo(int fd, const char *path) { _public_ int sd_is_special(int fd, const char *path) { struct stat st_fd; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); if (fstat(fd, &st_fd) < 0) return -errno; @@ -155,7 +155,7 @@ _public_ int sd_is_special(int fd, const char *path) { static int sd_is_socket_internal(int fd, int type, int listening) { struct stat st_fd; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(type >= 0, -EINVAL); if (fstat(fd, &st_fd) < 0) @@ -198,7 +198,7 @@ static int sd_is_socket_internal(int fd, int type, int listening) { _public_ int sd_is_socket(int fd, int family, int type, int listening) { int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(family >= 0, -EINVAL); r = sd_is_socket_internal(fd, type, listening); @@ -226,7 +226,7 @@ _public_ int sd_is_socket_inet(int fd, int family, int type, int listening, uint socklen_t l = sizeof(sockaddr); int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(IN_SET(family, 0, AF_INET, AF_INET6), -EINVAL); r = sd_is_socket_internal(fd, type, listening); @@ -269,7 +269,7 @@ _public_ int sd_is_socket_unix(int fd, int type, int listening, const char *path socklen_t l = sizeof(sockaddr); int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); r = sd_is_socket_internal(fd, type, listening); if (r <= 0) @@ -310,10 +310,15 @@ _public_ int sd_is_socket_unix(int fd, int type, int listening, const char *path _public_ int sd_is_mq(int fd, const char *path) { struct mq_attr attr; - assert_return(fd >= 0, -EINVAL); + /* Check that the fd is valid */ + assert_return(fcntl(fd, F_GETFD) >= 0, -errno); - if (mq_getattr(fd, &attr) < 0) + if (mq_getattr(fd, &attr) < 0) { + if (errno == EBADF) + /* A non-mq fd (or an invalid one, but we ruled that out above) */ + return 0; return -errno; + } if (path) { char fpath[PATH_MAX]; @@ -395,8 +400,9 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char have_pid = pid != 0 && pid != getpid(); if (n_fds > 0 || have_pid) { - msghdr.msg_controllen = CMSG_SPACE(sizeof(int) * n_fds) + - CMSG_SPACE(sizeof(struct ucred) * 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); cmsg = CMSG_FIRSTHDR(&msghdr); @@ -497,16 +503,11 @@ _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; } _public_ int sd_watchdog_enabled(int unset_environment, uint64_t *usec) { |