diff options
Diffstat (limited to 'monitor_fdpass.c')
| -rw-r--r-- | monitor_fdpass.c | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/monitor_fdpass.c b/monitor_fdpass.c index 9f8e9cd5..a572302e 100644 --- a/monitor_fdpass.c +++ b/monitor_fdpass.c @@ -1,4 +1,4 @@ -/* $OpenBSD: monitor_fdpass.c,v 1.12 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: monitor_fdpass.c,v 1.13 2007/09/04 03:21:03 djm Exp $ */ /* * Copyright 2001 Niels Provos <provos@citi.umich.edu> * All rights reserved. @@ -40,7 +40,7 @@ #include "log.h" #include "monitor_fdpass.h" -void +int mm_send_fd(int sock, int fd) { #if defined(HAVE_SENDMSG) && (defined(HAVE_ACCRIGHTS_IN_MSGHDR) || defined(HAVE_CONTROL_IN_MSGHDR)) @@ -72,15 +72,21 @@ mm_send_fd(int sock, int fd) msg.msg_iov = &vec; msg.msg_iovlen = 1; - if ((n = sendmsg(sock, &msg, 0)) == -1) - fatal("%s: sendmsg(%d): %s", __func__, fd, + if ((n = sendmsg(sock, &msg, 0)) == -1) { + error("%s: sendmsg(%d): %s", __func__, fd, strerror(errno)); - if (n != 1) - fatal("%s: sendmsg: expected sent 1 got %ld", + return -1; + } + + if (n != 1) { + error("%s: sendmsg: expected sent 1 got %ld", __func__, (long)n); + return -1; + } + return 0; #else - fatal("%s: UsePrivilegeSeparation=yes not supported", - __func__); + error("%s: file descriptor passing not supported", __func__); + return -1; #endif } @@ -111,29 +117,39 @@ mm_receive_fd(int sock) msg.msg_controllen = sizeof(tmp); #endif - if ((n = recvmsg(sock, &msg, 0)) == -1) - fatal("%s: recvmsg: %s", __func__, strerror(errno)); - if (n != 1) - fatal("%s: recvmsg: expected received 1 got %ld", + if ((n = recvmsg(sock, &msg, 0)) == -1) { + error("%s: recvmsg: %s", __func__, strerror(errno)); + return -1; + } + if (n != 1) { + error("%s: recvmsg: expected received 1 got %ld", __func__, (long)n); + return -1; + } #ifdef HAVE_ACCRIGHTS_IN_MSGHDR - if (msg.msg_accrightslen != sizeof(fd)) - fatal("%s: no fd", __func__); + if (msg.msg_accrightslen != sizeof(fd)) { + error("%s: no fd", __func__); + return -1; + } #else cmsg = CMSG_FIRSTHDR(&msg); - if (cmsg == NULL) - fatal("%s: no message header", __func__); + if (cmsg == NULL) { + error("%s: no message header", __func__); + return -1; + } #ifndef BROKEN_CMSG_TYPE - if (cmsg->cmsg_type != SCM_RIGHTS) - fatal("%s: expected type %d got %d", __func__, + if (cmsg->cmsg_type != SCM_RIGHTS) { + error("%s: expected type %d got %d", __func__, SCM_RIGHTS, cmsg->cmsg_type); + return -1; + } #endif fd = (*(int *)CMSG_DATA(cmsg)); #endif return fd; #else - fatal("%s: UsePrivilegeSeparation=yes not supported", - __func__); + error("%s: file descriptor passing not supported", __func__); + return -1; #endif } |