-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
#include <errno.h>
#include <limits.h>
-//#include <mqueue.h>
+#include <mqueue.h>
#include <netinet/in.h>
#include <stdarg.h>
#include <stddef.h>
#include <sys/un.h>
#include <unistd.h>
+#include "sd-daemon.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
+//#include "fs-util.h"
+#include "parse-util.h"
#include "path-util.h"
#include "socket-util.h"
-//#include "strv.h"
+#include "strv.h"
#include "util.h"
-#include "sd-daemon.h"
+#define SNDBUF_SIZE (8*1024*1024)
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
static void unsetenv_all(bool unset_environment) {
if (!unset_environment)
_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");
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:
unsetenv_all(unset_environment);
return r;
- }
+}
_public_ int sd_listen_fds_with_names(int unset_environment, char ***names) {
_cleanup_strv_free_ char **l = NULL;
} else {
r = strv_extend_n(&l, "unknown", n_fds);
if (r < 0)
- return r;
-}
+ return r;
+ }
*names = l;
l = NULL;
return 1;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
_public_ int sd_is_socket_inet(int fd, int family, int type, int listening, uint16_t port) {
union sockaddr_union sockaddr = {};
socklen_t l = sizeof(sockaddr);
if (l < sizeof(struct sockaddr_in))
return -EINVAL;
- return htons(port) == sockaddr.in.sin_port;
+ return htobe16(port) == sockaddr.in.sin_port;
} else {
if (l < sizeof(struct sockaddr_in6))
return -EINVAL;
- return htons(port) == sockaddr.in6.sin6_port;
+ return htobe16(port) == sockaddr.in6.sin6_port;
}
}
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;
goto finish;
}
+ fd_inc_sndbuf(fd, SNDBUF_SIZE);
+
iovec.iov_len = strlen(state);
strncpy(sockaddr.un.sun_path, e, sizeof(sockaddr.un.sun_path));
if (sockaddr.un.sun_path[0] == '@')
sockaddr.un.sun_path[0] = 0;
- msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(e);
- if (msghdr.msg_namelen > sizeof(struct sockaddr_un))
- msghdr.msg_namelen = sizeof(struct sockaddr_un);
+ msghdr.msg_namelen = SOCKADDR_UN_LEN(sockaddr.un);
have_pid = pid != 0 && pid != getpid();
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);
+ /* CMSG_SPACE(0) may return value different than zero, which results in miscalculated 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) {
return r;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
_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);
}
return sd_pid_notify_with_fds(0, unset_environment, state, NULL, 0);
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
_public_ int sd_pid_notifyf(pid_t pid, int unset_environment, const char *format, ...) {
_cleanup_free_ char *p = NULL;
int r;
r = safe_atou64(s, &u);
if (r < 0)
goto finish;
- if (u <= 0) {
+ if (u <= 0 || u >= USEC_INFINITY) {
r = -EINVAL;
goto finish;
}