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authorRainer Gerhards <rgerhards@adiscon.com>2007-12-28 15:59:24 +0000
committerRainer Gerhards <rgerhards@adiscon.com>2007-12-28 15:59:24 +0000
commitf67509d5707978f2acd0e335af58266afc04e372 (patch)
tree01b65c0647fadb25df0974da82d2a9d780662558 /plugins/omgssapi
parent1990c08536f3880053508ab6b60aab8cee9760ec (diff)
downloadrsyslog-f67509d5707978f2acd0e335af58266afc04e372.tar.gz
rsyslog-f67509d5707978f2acd0e335af58266afc04e372.tar.xz
rsyslog-f67509d5707978f2acd0e335af58266afc04e372.zip
omgssapi created
Diffstat (limited to 'plugins/omgssapi')
-rw-r--r--plugins/omgssapi/.cvsignore6
-rw-r--r--plugins/omgssapi/Makefile.am6
-rw-r--r--plugins/omgssapi/omgssapi.c685
3 files changed, 697 insertions, 0 deletions
diff --git a/plugins/omgssapi/.cvsignore b/plugins/omgssapi/.cvsignore
new file mode 100644
index 00000000..9730646f
--- /dev/null
+++ b/plugins/omgssapi/.cvsignore
@@ -0,0 +1,6 @@
+.deps
+.libs
+Makefile
+Makefile.in
+*.la
+*.lo
diff --git a/plugins/omgssapi/Makefile.am b/plugins/omgssapi/Makefile.am
new file mode 100644
index 00000000..3b568d3d
--- /dev/null
+++ b/plugins/omgssapi/Makefile.am
@@ -0,0 +1,6 @@
+pkglib_LTLIBRARIES = omgssapi.la
+
+omgssapi_la_SOURCES = omgssapi.c omgssapi.h ../../module-template.h
+omgssapi_la_CPPFLAGS = $(pgsql_cflags) -I$(srcdir)/../..
+omgssapi_la_LDFLAGS = -module -avoid-version
+omgssapi_la_LIBADD = $(gss_libs)
diff --git a/plugins/omgssapi/omgssapi.c b/plugins/omgssapi/omgssapi.c
new file mode 100644
index 00000000..7097d742
--- /dev/null
+++ b/plugins/omgssapi/omgssapi.c
@@ -0,0 +1,685 @@
+/* omgssapi.c
+ * This is the implementation of the build-in forwarding output module.
+ *
+ * NOTE: read comments in module-template.h to understand how this file
+ * works!
+ *
+ * Copyright 2007 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of rsyslog.
+ *
+ * Rsyslog is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Rsyslog is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ */
+#include "config.h"
+#ifdef USE_GSSAPI
+#include "rsyslog.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <fnmatch.h>
+#include <assert.h>
+#include <errno.h>
+#include <ctype.h>
+#include <unistd.h>
+#ifdef USE_NETZIP
+#include <zlib.h>
+#endif
+#include <pthread.h>
+#include <gssapi/gssapi.h>
+#include "syslogd.h"
+#include "syslogd-types.h"
+#include "srUtils.h"
+#include "net.h"
+#include "omfwd.h"
+#include "template.h"
+#include "msg.h"
+#include "tcpsyslog.h"
+#include "cfsysline.h"
+#include "module-template.h"
+#include "gss-misc.h"
+
+MODULE_TYPE_OUTPUT
+
+#define INET_SUSPEND_TIME 60 /* equal to 1 minute
+ * rgerhards, 2005-07-26: This was 3 minutes. As the
+ * same timer is used for tcp based syslog, we have
+ * reduced it. However, it might actually be worth
+ * thinking about a buffered tcp sender, which would be
+ * a much better alternative. When that happens, this
+ * time here can be re-adjusted to 3 minutes (or,
+ * even better, made configurable).
+ */
+#define INET_RETRY_MAX 30 /* maximum of retries for gethostbyname() */
+ /* was 10, changed to 30 because we reduced INET_SUSPEND_TIME by one third. So
+ * this "fixes" some of implications of it (see comment on INET_SUSPEND_TIME).
+ * rgerhards, 2005-07-26
+ */
+
+/* internal structures
+ */
+DEF_OMOD_STATIC_DATA
+
+typedef struct _instanceData {
+ char f_hname[MAXHOSTNAMELEN+1];
+ short sock; /* file descriptor */
+ enum { /* TODO: we shoud revisit these definitions */
+ eDestFORW,
+ eDestFORW_SUSP,
+ eDestFORW_UNKN
+ } eDestState;
+ int iRtryCnt;
+ struct addrinfo *f_addr;
+ int compressionLevel; /* 0 - no compression, else level for zlib */
+ char *port;
+ TCPFRAMINGMODE tcp_framing;
+# define FORW_UDP 0
+# define FORW_TCP 1
+ /* following fields for TCP-based delivery */
+ time_t ttSuspend; /* time selector was suspended */
+ gss_ctx_id_t gss_context;
+ OM_uint32 gss_flags;
+} instanceData;
+
+static char *gss_base_service_name = NULL;
+static enum gss_mode_t {
+ GSSMODE_MIC,
+ GSSMODE_ENC
+} gss_mode = GSSMODE_ENC;
+
+/* get the syslog forward port from selector_t. The passed in
+ * struct must be one that is setup for forwarding.
+ * rgerhards, 2007-06-28
+ * We may change the implementation to try to lookup the port
+ * if it is unspecified. So far, we use the IANA default auf 514.
+ */
+char *getFwdSyslogPt(instanceData *pData)
+{
+ assert(pData != NULL);
+ if(pData->port == NULL)
+ return("514");
+ else
+ return(pData->port);
+}
+
+BEGINcreateInstance
+CODESTARTcreateInstance
+ENDcreateInstance
+
+
+BEGINisCompatibleWithFeature
+CODESTARTisCompatibleWithFeature
+ if(eFeat == sFEATURERepeatedMsgReduction)
+ iRet = RS_RET_OK;
+ENDisCompatibleWithFeature
+
+
+BEGINfreeInstance
+OM_uint32 maj_stat, min_stat;
+CODESTARTfreeInstance
+ switch (pData->eDestState) {
+ case eDestFORW:
+ case eDestFORW_SUSP:
+ freeaddrinfo(pData->f_addr);
+ /* fall through */
+ case eDestFORW_UNKN:
+ if(pData->port != NULL)
+ free(pData->port);
+ break;
+ }
+
+ if (pData->gss_context != GSS_C_NO_CONTEXT) {
+ maj_stat = gss_delete_sec_context(&min_stat, &pData->gss_context, GSS_C_NO_BUFFER);
+ if (maj_stat != GSS_S_COMPLETE)
+ display_status("deleting context", maj_stat, min_stat);
+ }
+ /* this is meant to be done when module is unloaded,
+ but since this module is static...
+ */
+ if (gss_base_service_name != NULL) {
+ free(gss_base_service_name);
+ gss_base_service_name = NULL;
+ }
+
+ /* final cleanup */
+ if(pData->sock >= 0)
+ close(pData->sock);
+ENDfreeInstance
+
+
+BEGINdbgPrintInstInfo
+CODESTARTdbgPrintInstInfo
+ printf("%s", pData->f_hname);
+ENDdbgPrintInstInfo
+
+
+/* CODE FOR SENDING TCP MESSAGES */
+
+/* This function is called immediately before a send retry is attempted.
+ * It shall clean up whatever makes sense.
+ * rgerhards, 2007-12-28
+ */
+static rsRetVal TCPSendGSSPrepRetry(void __attribute__((unused)) *pData)
+{
+ /* in case of TCP/GSS, there is nothing to do */
+ return RS_RET_OK;
+}
+
+
+static rsRetVal TCPSendGSSInit(void *pvData)
+{
+ DEFiRet;
+ int s = -1;
+ char *base;
+ OM_uint32 maj_stat, min_stat, init_sec_min_stat, *sess_flags, ret_flags;
+ gss_buffer_desc out_tok, in_tok;
+ gss_buffer_t tok_ptr;
+ gss_name_t target_name;
+ gss_ctx_id_t *context;
+ instanceData *pData = (instanceData *) pvData;
+
+ assert(pData != NULL);
+
+ /* if the socket is already initialized, we are done */
+ if(pData->sock > 0)
+ ABORT_FINALIZE(RS_RET_OK);
+
+ base = (gss_base_service_name == NULL) ? "host" : gss_base_service_name;
+ out_tok.length = strlen(pData->f_hname) + strlen(base) + 2;
+ if ((out_tok.value = malloc(out_tok.length)) == NULL) {
+ ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY);
+ }
+ strcpy(out_tok.value, base);
+ strcat(out_tok.value, "@");
+ strcat(out_tok.value, pData->f_hname);
+ dbgprintf("GSS-API service name: %s\n", (char*) out_tok.value);
+
+ tok_ptr = GSS_C_NO_BUFFER;
+ context = &pData->gss_context;
+ *context = GSS_C_NO_CONTEXT;
+
+ maj_stat = gss_import_name(&min_stat, &out_tok, GSS_C_NT_HOSTBASED_SERVICE, &target_name);
+ free(out_tok.value);
+ out_tok.value = NULL;
+ out_tok.length = 0;
+
+ if (maj_stat != GSS_S_COMPLETE) {
+ display_status("parsing name", maj_stat, min_stat);
+ goto fail;
+ }
+
+ sess_flags = &pData->gss_flags;
+ *sess_flags = GSS_C_MUTUAL_FLAG;
+ if (gss_mode == GSSMODE_MIC) {
+ *sess_flags |= GSS_C_INTEG_FLAG;
+ }
+ if (gss_mode == GSSMODE_ENC) {
+ *sess_flags |= GSS_C_CONF_FLAG;
+ }
+ dbgprintf("GSS-API requested context flags:\n");
+ display_ctx_flags(*sess_flags);
+
+ do {
+ maj_stat = gss_init_sec_context(&init_sec_min_stat, GSS_C_NO_CREDENTIAL, context,
+ target_name, GSS_C_NO_OID, *sess_flags, 0, NULL,
+ tok_ptr, NULL, &out_tok, &ret_flags, NULL);
+ if (tok_ptr != GSS_C_NO_BUFFER)
+ free(in_tok.value);
+
+ if (maj_stat != GSS_S_COMPLETE
+ && maj_stat != GSS_S_CONTINUE_NEEDED) {
+ display_status("initializing context", maj_stat, init_sec_min_stat);
+ goto fail;
+ }
+
+ if (s == -1)
+ if ((s = pData->sock = TCPSendCreateSocket(pData->f_addr)) == -1)
+ goto fail;
+
+ if (out_tok.length != 0) {
+ dbgprintf("GSS-API Sending init_sec_context token (length: %ld)\n", (long) out_tok.length);
+ if (send_token(s, &out_tok) < 0) {
+ goto fail;
+ }
+ }
+ gss_release_buffer(&min_stat, &out_tok);
+
+ if (maj_stat == GSS_S_CONTINUE_NEEDED) {
+ dbgprintf("GSS-API Continue needed...\n");
+ if (recv_token(s, &in_tok) <= 0) {
+ goto fail;
+ }
+ tok_ptr = &in_tok;
+ }
+ } while (maj_stat == GSS_S_CONTINUE_NEEDED);
+
+ dbgprintf("GSS-API Provided context flags:\n");
+ *sess_flags = ret_flags;
+ display_ctx_flags(*sess_flags);
+
+ dbgprintf("GSS-API Context initialized\n");
+ gss_release_name(&min_stat, &target_name);
+
+finalize_it:
+ return iRet;
+
+ fail:
+ logerror("GSS-API Context initialization failed\n");
+ gss_release_name(&min_stat, &target_name);
+ gss_release_buffer(&min_stat, &out_tok);
+ if (*context != GSS_C_NO_CONTEXT) {
+ gss_delete_sec_context(&min_stat, context, GSS_C_NO_BUFFER);
+ *context = GSS_C_NO_CONTEXT;
+ }
+ if (s != -1)
+ close(s);
+ pData->sock = -1;
+ return RS_RET_GSS_SENDINIT_ERROR;
+}
+
+
+static rsRetVal TCPSendGSSSend(void *pvData, char *msg, size_t len)
+{
+ int s;
+ gss_ctx_id_t *context;
+ OM_uint32 maj_stat, min_stat;
+ gss_buffer_desc in_buf, out_buf;
+ instanceData *pData = (instanceData *) pvData;
+
+ assert(pData != NULL);
+ assert(msg != NULL);
+ assert(len > 0);
+
+ s = pData->sock;
+ context = &pData->gss_context;
+ in_buf.value = msg;
+ in_buf.length = len;
+ maj_stat = gss_wrap(&min_stat, *context, (gss_mode == GSSMODE_ENC) ? 1 : 0, GSS_C_QOP_DEFAULT,
+ &in_buf, NULL, &out_buf);
+ if (maj_stat != GSS_S_COMPLETE) {
+ display_status("wrapping message", maj_stat, min_stat);
+ goto fail;
+ }
+
+ if (send_token(s, &out_buf) < 0) {
+ goto fail;
+ }
+ gss_release_buffer(&min_stat, &out_buf);
+
+ return RS_RET_OK;
+
+ fail:
+ close(s);
+ pData->sock = -1;
+ gss_delete_sec_context(&min_stat, context, GSS_C_NO_BUFFER);
+ *context = GSS_C_NO_CONTEXT;
+ gss_release_buffer(&min_stat, &out_buf);
+ dbgprintf("message not (GSS/tcp)send");
+ return RS_RET_GSS_SEND_ERROR;
+}
+
+
+/* try to resume connection if it is not ready
+ * rgerhards, 2007-08-02
+ */
+static rsRetVal doTryResume(instanceData *pData)
+{
+ DEFiRet;
+ struct addrinfo *res;
+ struct addrinfo hints;
+ unsigned e;
+
+ switch (pData->eDestState) {
+ case eDestFORW_SUSP:
+ iRet = RS_RET_OK; /* the actual check happens during doAction() only */
+ pData->eDestState = eDestFORW;
+ break;
+
+ case eDestFORW_UNKN:
+ /* The remote address is not yet known and needs to be obtained */
+ dbgprintf(" %s\n", pData->f_hname);
+ memset(&hints, 0, sizeof(hints));
+ /* port must be numeric, because config file syntax requests this */
+ /* TODO: this code is a duplicate from cfline() - we should later create
+ * a common function.
+ */
+ hints.ai_flags = AI_NUMERICSERV;
+ hints.ai_family = family;
+ hints.ai_socktype = SOCK_STREAM;
+ if((e = getaddrinfo(pData->f_hname,
+ getFwdSyslogPt(pData), &hints, &res)) == 0) {
+ dbgprintf("%s found, resuming.\n", pData->f_hname);
+ pData->f_addr = res;
+ pData->iRtryCnt = 0;
+ pData->eDestState = eDestFORW;
+ } else {
+ iRet = RS_RET_SUSPENDED;
+ }
+ break;
+ case eDestFORW:
+ /* rgerhards, 2007-09-11: this can not happen, but I've included it to
+ * a) make the compiler happy, b) detect any logic errors */
+ assert(0);
+ break;
+ }
+
+ return iRet;
+}
+
+
+BEGINtryResume
+CODESTARTtryResume
+ iRet = doTryResume(pData);
+ENDtryResume
+
+BEGINdoAction
+ char *psz; /* temporary buffering */
+ register unsigned l;
+CODESTARTdoAction
+ switch (pData->eDestState) {
+ case eDestFORW_SUSP:
+ dbgprintf("internal error in omgssapi.c, eDestFORW_SUSP in doAction()!\n");
+ iRet = RS_RET_SUSPENDED;
+ break;
+
+ case eDestFORW_UNKN:
+ dbgprintf("doAction eDestFORW_UNKN\n");
+ iRet = doTryResume(pData);
+ break;
+
+ case eDestFORW:
+ dbgprintf(" %s:%s/%s\n", pData->f_hname, getFwdSyslogPt(pData), "tcp-gssapi");
+ pData->ttSuspend = time(NULL);
+ psz = (char*) ppString[0];
+ l = strlen((char*) psz);
+ if (l > MAXLINE)
+ l = MAXLINE;
+
+# ifdef USE_NETZIP
+ /* Check if we should compress and, if so, do it. We also
+ * check if the message is large enough to justify compression.
+ * The smaller the message, the less likely is a gain in compression.
+ * To save CPU cycles, we do not try to compress very small messages.
+ * What "very small" means needs to be configured. Currently, it is
+ * hard-coded but this may be changed to a config parameter.
+ * rgerhards, 2006-11-30
+ */
+ if(pData->compressionLevel && (l > MIN_SIZE_FOR_COMPRESS)) {
+ Bytef out[MAXLINE+MAXLINE/100+12] = "z";
+ uLongf destLen = sizeof(out) / sizeof(Bytef);
+ uLong srcLen = l;
+ int ret;
+ ret = compress2((Bytef*) out+1, &destLen, (Bytef*) psz,
+ srcLen, pData->compressionLevel);
+ dbgprintf("Compressing message, length was %d now %d, return state %d.\n",
+ l, (int) destLen, ret);
+ if(ret != Z_OK) {
+ /* if we fail, we complain, but only in debug mode
+ * Otherwise, we are silent. In any case, we ignore the
+ * failed compression and just sent the uncompressed
+ * data, which is still valid. So this is probably the
+ * best course of action.
+ * rgerhards, 2006-11-30
+ */
+ dbgprintf("Compression failed, sending uncompressed message\n");
+ } else if(destLen+1 < l) {
+ /* only use compression if there is a gain in using it! */
+ dbgprintf("there is gain in compression, so we do it\n");
+ psz = (char*) out;
+ l = destLen + 1; /* take care for the "z" at message start! */
+ }
+ ++destLen;
+ }
+# endif
+
+ CHKiRet_Hdlr(TCPSend(pData, psz, l, pData->tcp_framing, TCPSendGSSInit, TCPSendGSSSend, TCPSendGSSPrepRetry)) {
+ /* error! */
+ dbgprintf("error forwarding via tcp, suspending\n");
+ pData->eDestState = eDestFORW_SUSP;
+ iRet = RS_RET_SUSPENDED;
+ }
+ break;
+ }
+ENDdoAction
+
+
+BEGINparseSelectorAct
+ uchar *q;
+ int i;
+ int error;
+ int bErr;
+ struct addrinfo hints, *res;
+CODESTARTparseSelectorAct
+CODE_STD_STRING_REQUESTparseSelectorAct(1)
+ /* first check if this config line is actually for us
+ * The first test [*p == '>'] can be skipped if a module shall only
+ * support the newer slection syntax [:modname:]. This is in fact
+ * recommended for new modules. Please note that over time this part
+ * will be handled by rsyslogd itself, but for the time being it is
+ * a good compromise to do it at the module level.
+ * rgerhards, 2007-10-15
+ */
+
+ if(!strncmp((char*) p, ":omgssapi:", sizeof(":omgssapi:") - 1)) {
+ p += sizeof(":omgssapi:") - 1; /* eat indicator sequence (-1 because of '\0'!) */
+ } else {
+ ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED);
+ }
+
+ /* ok, if we reach this point, we have something for us */
+ if((iRet = createInstance(&pData)) != RS_RET_OK)
+ goto finalize_it;
+
+ /* we are now after the protocol indicator. Now check if we should
+ * use compression. We begin to use a new option format for this:
+ * @(option,option)host:port
+ * The first option defined is "z[0..9]" where the digit indicates
+ * the compression level. If it is not given, 9 (best compression) is
+ * assumed. An example action statement might be:
+ * @@(z5,o)127.0.0.1:1400
+ * Which means send via TCP with medium (5) compresion (z) to the local
+ * host on port 1400. The '0' option means that octet-couting (as in
+ * IETF I-D syslog-transport-tls) is to be used for framing (this option
+ * applies to TCP-based syslog only and is ignored when specified with UDP).
+ * That is not yet implemented.
+ * rgerhards, 2006-12-07
+ */
+ if(*p == '(') {
+ /* at this position, it *must* be an option indicator */
+ do {
+ ++p; /* eat '(' or ',' (depending on when called) */
+ /* check options */
+ if(*p == 'z') { /* compression */
+# ifdef USE_NETZIP
+ ++p; /* eat */
+ if(isdigit((int) *p)) {
+ int iLevel;
+ iLevel = *p - '0';
+ ++p; /* eat */
+ pData->compressionLevel = iLevel;
+ } else {
+ logerrorInt("Invalid compression level '%c' specified in "
+ "forwardig action - NOT turning on compression.",
+ *p);
+ }
+# else
+ logerror("Compression requested, but rsyslogd is not compiled "
+ "with compression support - request ignored.");
+# endif /* #ifdef USE_NETZIP */
+ } else if(*p == 'o') { /* octet-couting based TCP framing? */
+ ++p; /* eat */
+ /* no further options settable */
+ pData->tcp_framing = TCP_FRAMING_OCTET_COUNTING;
+ } else { /* invalid option! Just skip it... */
+ logerrorInt("Invalid option %c in forwarding action - ignoring.", *p);
+ ++p; /* eat invalid option */
+ }
+ /* the option processing is done. We now do a generic skip
+ * to either the next option or the end of the option
+ * block.
+ */
+ while(*p && *p != ')' && *p != ',')
+ ++p; /* just skip it */
+ } while(*p && *p == ','); /* Attention: do.. while() */
+ if(*p == ')')
+ ++p; /* eat terminator, on to next */
+ else
+ /* we probably have end of string - leave it for the rest
+ * of the code to handle it (but warn the user)
+ */
+ logerror("Option block not terminated in gssapi forward action.");
+ }
+ /* extract the host first (we do a trick - we replace the ';' or ':' with a '\0')
+ * now skip to port and then template name. rgerhards 2005-07-06
+ */
+ for(q = p ; *p && *p != ';' && *p != ':' ; ++p)
+ /* JUST SKIP */;
+
+ pData->port = NULL;
+ if(*p == ':') { /* process port */
+ uchar * tmp;
+
+ *p = '\0'; /* trick to obtain hostname (later)! */
+ tmp = ++p;
+ for(i=0 ; *p && isdigit((int) *p) ; ++p, ++i)
+ /* SKIP AND COUNT */;
+ pData->port = malloc(i + 1);
+ if(pData->port == NULL) {
+ logerror("Could not get memory to store syslog forwarding port, "
+ "using default port, results may not be what you intend\n");
+ /* we leave f_forw.port set to NULL, this is then handled by
+ * getFwdSyslogPt().
+ */
+ } else {
+ memcpy(pData->port, tmp, i);
+ *(pData->port + i) = '\0';
+ }
+ }
+
+ /* now skip to template */
+ bErr = 0;
+ while(*p && *p != ';') {
+ if(*p && *p != ';' && !isspace((int) *p)) {
+ if(bErr == 0) { /* only 1 error msg! */
+ bErr = 1;
+ errno = 0;
+ logerror("invalid selector line (port), probably not doing "
+ "what was intended");
+ }
+ }
+ ++p;
+ }
+
+ /* TODO: make this if go away! */
+ if(*p == ';') {
+ *p = '\0'; /* trick to obtain hostname (later)! */
+ strcpy(pData->f_hname, (char*) q);
+ *p = ';';
+ } else
+ strcpy(pData->f_hname, (char*) q);
+
+ /* process template */
+ if((iRet = cflineParseTemplateName(&p, *ppOMSR, 0, OMSR_NO_RQD_TPL_OPTS, (uchar*) " StdFwdFmt"))
+ != RS_RET_OK)
+ goto finalize_it;
+
+ /* first set the pData->eDestState */
+ memset(&hints, 0, sizeof(hints));
+ /* port must be numeric, because config file syntax requests this */
+ hints.ai_flags = AI_NUMERICSERV;
+ hints.ai_family = family;
+ hints.ai_socktype = SOCK_STREAM;
+ if( (error = getaddrinfo(pData->f_hname, getFwdSyslogPt(pData), &hints, &res)) != 0) {
+ pData->eDestState = eDestFORW_UNKN;
+ pData->iRtryCnt = INET_RETRY_MAX;
+ pData->ttSuspend = time(NULL);
+ } else {
+ pData->eDestState = eDestFORW;
+ pData->f_addr = res;
+ }
+
+ /* TODO: do we need to call freeInstance if we failed - this is a general question for
+ * all output modules. I'll address it lates as the interface evolves. rgerhards, 2007-07-25
+ */
+CODE_STD_FINALIZERparseSelectorAct
+ENDparseSelectorAct
+
+
+BEGINneedUDPSocket
+CODESTARTneedUDPSocket
+ iRet = RS_RET_TRUE;
+ENDneedUDPSocket
+
+
+BEGINmodExit
+CODESTARTmodExit
+ENDmodExit
+
+
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+CODEqueryEtryPt_STD_OMOD_QUERIES
+ENDqueryEtryPt
+
+
+/* set a new GSSMODE based on config directive */
+static rsRetVal setGSSMode(void __attribute__((unused)) *pVal, uchar *mode)
+{
+ if (!strcmp((char *) mode, "integrity")) {
+ gss_mode = GSSMODE_MIC;
+ free(mode);
+ dbgprintf("GSS-API gssmode set to GSSMODE_MIC\n");
+ } else if (!strcmp((char *) mode, "encryption")) {
+ gss_mode = GSSMODE_ENC;
+ free(mode);
+ dbgprintf("GSS-API gssmode set to GSSMODE_ENC\n");
+ } else {
+ logerrorSz("unknown gssmode parameter: %s", (char *) mode);
+ free(mode);
+ return RS_RET_ERR;
+ }
+
+ return RS_RET_OK;
+}
+
+
+static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal)
+{
+ gss_mode = GSSMODE_ENC;
+ if (gss_base_service_name != NULL) {
+ free(gss_base_service_name);
+ gss_base_service_name = NULL;
+ }
+ return RS_RET_OK;
+}
+
+
+BEGINmodInit()
+CODESTARTmodInit
+ *ipIFVersProvided = 1; /* so far, we only support the initial definition */
+CODEmodInit_QueryRegCFSLineHdlr
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"gssforwardservicename", 0, eCmdHdlrGetWord, NULL, &gss_base_service_name, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"gssmode", 0, eCmdHdlrGetWord, setGSSMode, &gss_mode, STD_LOADABLE_MODULE_ID));
+ CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID));
+ENDmodInit
+
+#endif /* #ifdef USE_GSSAPI */
+/*
+ * vi:set ai:
+ */