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-rw-r--r--configure.ac5
-rw-r--r--plugins/imuxsock/imuxsock.c18
2 files changed, 20 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index a27a0fe9..61ff7752 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,11 @@ AC_FUNC_STRERROR_R
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([flock basename alarm clock_gettime gethostbyname gethostname gettimeofday localtime_r memset mkdir regcomp select setid socket strcasecmp strchr strdup strerror strndup strnlen strrchr strstr strtol strtoul uname ttyname_r getline malloc_trim prctl epoll_create epoll_create1 fdatasync])
+# the check below is probably ugly. If someone knows how to do it in a better way, please
+# let me know! -- rgerhards, 2010-10-06
+AC_CHECK_DECL([SCM_CREDENTIALS], [AC_DEFINE(HAVE_SCM_CREDENTIALS, [1], [set define])], [], [#include <sys/types.h>
+#include <sys/socket.h>])
+
# Check for MAXHOSTNAMELEN
AC_MSG_CHECKING(for MAXHOSTNAMELEN)
AC_TRY_COMPILE([
diff --git a/plugins/imuxsock/imuxsock.c b/plugins/imuxsock/imuxsock.c
index be162a1b..c248b3d6 100644
--- a/plugins/imuxsock/imuxsock.c
+++ b/plugins/imuxsock/imuxsock.c
@@ -66,6 +66,10 @@ MODULE_TYPE_INPUT
#endif
#endif
+/* emulate struct ucred for platforms that do not have it */
+#ifndef HAVE_SCM_CREDENTIALS
+struct ucred { int pid; };
+#endif
/* handle some defines missing on more than one platform */
#ifndef SUN_LEN
@@ -406,6 +410,7 @@ openLogSocket(lstn_t *pLstn)
CHKiRet(createLogSocket(pLstn));
}
+# if HAVE_SCM_CREDENTIALS
if(pLstn->bUseCreds) {
one = 1;
if(setsockopt(pLstn->fd, SOL_SOCKET, SO_PASSCRED, &one, (socklen_t) sizeof(one)) != 0) {
@@ -417,6 +422,9 @@ openLogSocket(lstn_t *pLstn)
pLstn->bUseCreds = 0;
}
}
+# else /* HAVE_SCM_CREDENTIALS */
+ pLstn->bUseCreds = 0;
+# endif /* HAVE_SCM_CREDENTIALS */
finalize_it:
if(iRet != RS_RET_OK) {
@@ -513,7 +521,7 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred)
rs_ratelimit_state_t *ratelimiter = NULL;
DEFiRet;
-// TODO: handle format errors??
+ /* TODO: handle format errors?? */
/* we need to parse the pri first, because we need the severity for
* rate-limiting as well.
*/
@@ -530,8 +538,10 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred)
facil = LOG_FAC(pri);
sever = LOG_PRI(pri);
- if(sever >= pLstn->ratelimitSev)
+ if(sever >= pLstn->ratelimitSev) {
+ /* note: if cred == NULL, then ratelimiter == NULL as well! */
findRatelimiter(pLstn, cred, &ratelimiter); /* ignore error, better so than others... */
+ }
datetime.getCurrTime(&st, &tt);
if(ratelimiter != NULL && !withinRatelimit(ratelimiter, tt, cred->pid)) {
@@ -637,6 +647,7 @@ static rsRetVal readSocket(lstn_t *pLstn)
dbgprintf("Message from UNIX socket: #%d\n", pLstn->fd);
if(iRcvd > 0) {
cred = NULL;
+# if HAVE_SCM_CREDENTIALS
if(pLstn->bUseCreds) {
dbgprintf("XXX: pre CM loop, length of control message %d\n", (int) msgh.msg_controllen);
for (cm = CMSG_FIRSTHDR(&msgh); cm; cm = CMSG_NXTHDR(&msgh, cm)) {
@@ -644,11 +655,12 @@ static rsRetVal readSocket(lstn_t *pLstn)
if (cm->cmsg_level == SOL_SOCKET && cm->cmsg_type == SCM_CREDENTIALS) {
cred = (struct ucred*) CMSG_DATA(cm);
dbgprintf("XXX: got credentials pid %d\n", (int) cred->pid);
- //break;
+ break;
}
}
dbgprintf("XXX: post CM loop\n");
}
+# endif /* HAVE_SCM_CREDENTIALS */
CHKiRet(SubmitMsg(pRcv, iRcvd, pLstn, cred));
} else if(iRcvd < 0 && errno != EINTR) {
char errStr[1024];