92 lines
3 KiB
C
92 lines
3 KiB
C
--- server/gam_channel.c.orig Sun Jul 17 16:48:54 2005
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+++ server/gam_channel.c Sun Jul 17 16:51:45 2005
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@@ -29,10 +29,10 @@ gam_client_conn_send_cred(int fd)
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{
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char data[2] = { 0, 0 };
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int written;
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-#if defined(HAVE_CMSGCRED) && !defined(LOCAL_CREDS)
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- struct {
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+#if defined(HAVE_CMSGCRED) && (!defined(LOCAL_CREDS) || defined(__FreeBSD__))
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+ union {
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struct cmsghdr hdr;
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- struct cmsgcred cred;
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+ char cred[CMSG_SPACE (sizeof (struct cmsgcred))];
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} cmsg;
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struct iovec iov;
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struct msghdr msg;
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@@ -44,16 +44,16 @@ gam_client_conn_send_cred(int fd)
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msg.msg_iov = &iov;
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msg.msg_iovlen = 1;
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- msg.msg_control = &cmsg;
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- msg.msg_controllen = sizeof (cmsg);
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+ msg.msg_control = (caddr_t) &cmsg;
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+ msg.msg_controllen = CMSG_SPACE (sizeof (struct cmsgcred));
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memset (&cmsg, 0, sizeof (cmsg));
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- cmsg.hdr.cmsg_len = sizeof (cmsg);
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+ cmsg.hdr.cmsg_len = CMSG_LEN (sizeof (struct cmsgcred));
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cmsg.hdr.cmsg_level = SOL_SOCKET;
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cmsg.hdr.cmsg_type = SCM_CREDS;
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#endif
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retry:
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-#if defined(HAVE_CMSGCRED) && !defined(LOCAL_CREDS)
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+#if defined(HAVE_CMSGCRED) && (!defined(LOCAL_CREDS) || defined(__FreeBSD__))
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written = sendmsg(fd, &msg, 0);
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#else
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written = write(fd, &data[0], 1);
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@@ -92,15 +92,16 @@ gam_client_conn_check_cred(GIOChannel *
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gid_t c_gid;
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#ifdef HAVE_CMSGCRED
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- struct {
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+ struct cmsgcred *cred;
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+ union {
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struct cmsghdr hdr;
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- struct cmsgcred cred;
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+ char cred[CMSG_SPACE (sizeof (struct cmsgcred))];
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} cmsg;
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#endif
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s_uid = getuid();
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-#if defined(LOCAL_CREDS) && defined(HAVE_CMSGCRED)
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+#if defined(LOCAL_CREDS) && defined(HAVE_CMSGCRED) && !defined(__FreeBSD__)
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/* Set the socket to receive credentials on the next message */
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{
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int on = 1;
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@@ -121,8 +122,8 @@ gam_client_conn_check_cred(GIOChannel *
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#ifdef HAVE_CMSGCRED
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memset(&cmsg, 0, sizeof(cmsg));
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- msg.msg_control = &cmsg;
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- msg.msg_controllen = sizeof(cmsg);
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+ msg.msg_control = (caddr_t) &cmsg;
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+ msg.msg_controllen = CMSG_SPACE (sizeof (struct cmsgcred));
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#endif
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retry:
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@@ -139,7 +140,8 @@ gam_client_conn_check_cred(GIOChannel *
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goto failed;
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}
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#ifdef HAVE_CMSGCRED
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- if (cmsg.hdr.cmsg_len < sizeof(cmsg) || cmsg.hdr.cmsg_type != SCM_CREDS) {
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+ if (cmsg.hdr.cmsg_len < CMSG_LEN (sizeof (struct cmsgcred))
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+ || cmsg.hdr.cmsg_type != SCM_CREDS) {
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GAM_DEBUG(DEBUG_INFO,
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"Message from recvmsg() was not SCM_CREDS\n");
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goto failed;
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@@ -165,9 +167,10 @@ gam_client_conn_check_cred(GIOChannel *
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goto failed;
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}
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#elif defined(HAVE_CMSGCRED)
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- c_pid = cmsg.cred.cmcred_pid;
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- c_uid = cmsg.cred.cmcred_euid;
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- c_gid = cmsg.cred.cmcred_groups[0];
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+ cred = (struct cmsgcred *) CMSG_DATA (&cmsg);
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+ c_pid = cred->cmcred_pid;
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+ c_uid = cred->cmcred_euid;
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+ c_gid = cred->cmcred_groups[0];
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#else /* !SO_PEERCRED && !HAVE_CMSGCRED */
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GAM_DEBUG(DEBUG_INFO,
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"Socket credentials not supported on this OS\n");
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