#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <sys/un.h>
#include <unistd.h>
#include <errno.h>
}
if (cmsg->cmsg_len != CMSG_LEN(sizeof_fds)) {
fprintf(stderr, "Error: Received %zu bytes of ancillary data, expected %zu\n",
- cmsg->cmsg_len, CMSG_LEN(sizeof_fds));
+ (size_t) cmsg->cmsg_len, (size_t) CMSG_LEN(sizeof_fds));
ret = -1;
goto end;
}
ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len)
{
struct msghdr msg;
- struct cmsghdr *cmptr;
struct iovec iov[1];
ssize_t ret = -1;
- struct ucred *creds;
- size_t sizeof_cred = sizeof(struct ucred);
+#ifdef __linux__
+ struct cmsghdr *cmptr;
+ size_t sizeof_cred = sizeof(lttng_sock_cred);
char anc_buf[CMSG_SPACE(sizeof_cred)];
+ lttng_sock_cred *creds;
+#endif /* __linux__ */
memset(&msg, 0, sizeof(msg));
msg.msg_iov = iov;
msg.msg_iovlen = 1;
+#ifdef __linux__
msg.msg_control = (caddr_t) anc_buf;
msg.msg_controllen = CMSG_LEN(sizeof_cred);
cmptr = CMSG_FIRSTHDR(&msg);
cmptr->cmsg_level = SOL_SOCKET;
- cmptr->cmsg_type = SCM_CREDENTIALS;
+ cmptr->cmsg_type = LTTNG_SOCK_CREDS;
cmptr->cmsg_len = CMSG_LEN(sizeof_cred);
- creds = (struct ucred *) CMSG_DATA(cmptr);
+ creds = (lttng_sock_cred*) CMSG_DATA(cmptr);
- creds->uid = geteuid();
- creds->gid = getegid();
- creds->pid = getpid();
+ LTTNG_SOCK_SET_UID_CRED(creds, geteuid());
+ LTTNG_SOCK_SET_GID_CRED(creds, getegid());
+ LTTNG_SOCK_SET_PID_CRED(creds, getpid());
+#endif /* __linux__ */
ret = sendmsg(sock, &msg, 0);
if (ret < 0) {
* Returns the size of received data, or negative error value.
*/
ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len,
- struct ucred *creds)
+ lttng_sock_cred *creds)
{
struct msghdr msg;
- struct cmsghdr *cmptr;
struct iovec iov[1];
ssize_t ret;
- size_t sizeof_cred = sizeof(struct ucred);
+#ifdef __linux__
+ struct cmsghdr *cmptr;
+ size_t sizeof_cred = sizeof(lttng_sock_cred);
char anc_buf[CMSG_SPACE(sizeof_cred)];
+#endif /* __linux__ */
memset(&msg, 0, sizeof(msg));
msg.msg_iov = iov;
msg.msg_iovlen = 1;
+#ifdef __linux__
msg.msg_control = anc_buf;
msg.msg_controllen = sizeof(anc_buf);
+#endif /* __linux__ */
ret = recvmsg(sock, &msg, 0);
if (ret < 0) {
goto end;
}
+#ifdef __linux__
if (msg.msg_flags & MSG_CTRUNC) {
fprintf(stderr, "Error: Control message truncated.\n");
ret = -1;
}
if (cmptr->cmsg_level != SOL_SOCKET ||
- cmptr->cmsg_type != SCM_CREDENTIALS) {
+ cmptr->cmsg_type != LTTNG_SOCK_CREDS) {
fprintf(stderr, "Didn't received any credentials\n");
ret = -1;
goto end;
if (cmptr->cmsg_len != CMSG_LEN(sizeof_cred)) {
fprintf(stderr, "Error: Received %zu bytes of ancillary data, expected %zu\n",
- cmptr->cmsg_len, CMSG_LEN(sizeof_cred));
+ (size_t) cmptr->cmsg_len, (size_t) CMSG_LEN(sizeof_cred));
ret = -1;
goto end;
}
memcpy(creds, CMSG_DATA(cmptr), sizeof_cred);
+#elif defined(__FreeBSD__)
+ {
+ int peer_ret;
+
+ peer_ret = getpeereid(sock, &creds->uid, &creds->gid);
+ if (peer_ret != 0) {
+ return peer_ret;
+ }
+ }
+#else
+#error "Please implement credential support for your OS."
+#endif /* __linux__ */
end:
return ret;
/*
* Set socket option to use credentials passing.
*/
+#ifdef __linux__
int lttcomm_setsockopt_creds_unix_sock(int sock)
{
int ret, on = 1;
if (ret < 0) {
perror("setsockopt creds unix sock");
}
-
return ret;
}
+#elif defined(__FreeBSD__)
+int lttcomm_setsockopt_creds_unix_sock(int sock)
+{
+ return 0;
+}
+#else
+#error "Please implement credential support for your OS."
+#endif /* __linux__ */