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-rw-r--r--gss-misc.c127
1 files changed, 110 insertions, 17 deletions
diff --git a/gss-misc.c b/gss-misc.c
index 93642520..a80f2e6b 100644
--- a/gss-misc.c
+++ b/gss-misc.c
@@ -1,5 +1,26 @@
+/* gss-misc.c
+ * This is a miscellaneous helper class for gss-api features.
+ *
+ * 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"
-#if defined(SYSLOG_INET) && defined(USE_GSSAPI)
#include "rsyslog.h"
#include <stdio.h>
#include <stdarg.h>
@@ -29,8 +50,15 @@
#include "msg.h"
#include "tcpsyslog.h"
#include "module-template.h"
+#include "obj.h"
+#include "errmsg.h"
#include "gss-misc.h"
+MODULE_TYPE_LIB
+
+/* static data */
+DEFobjStaticHelpers
+DEFobjCurrIf(errmsg)
static void display_status_(char *m, OM_uint32 code, int type)
{
@@ -40,13 +68,13 @@ static void display_status_(char *m, OM_uint32 code, int type)
do {
maj_stat = gss_display_status(&min_stat, code, type, GSS_C_NO_OID, &msg_ctx, &msg);
if (maj_stat != GSS_S_COMPLETE) {
- logerrorSz("GSS-API error in gss_display_status called from <%s>\n", m);
+ errmsg.LogError(NO_ERRCODE, "GSS-API error in gss_display_status called from <%s>\n", m);
break;
} else {
char buf[1024];
snprintf(buf, sizeof(buf), "GSS-API error %s: %s\n", m, (char *) msg.value);
buf[sizeof(buf)/sizeof(char) - 1] = '\0';
- logerror(buf);
+ errmsg.LogError(NO_ERRCODE, "%s", buf);
}
if (msg.length != 0)
gss_release_buffer(&min_stat, &msg);
@@ -54,14 +82,14 @@ static void display_status_(char *m, OM_uint32 code, int type)
}
-void display_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
+static void display_status(char *m, OM_uint32 maj_stat, OM_uint32 min_stat)
{
display_status_(m, maj_stat, GSS_C_GSS_CODE);
display_status_(m, min_stat, GSS_C_MECH_CODE);
}
-void display_ctx_flags(OM_uint32 flags)
+static void display_ctx_flags(OM_uint32 flags)
{
if (flags & GSS_C_DELEG_FLAG)
dbgprintf("GSS_C_DELEG_FLAG\n");
@@ -128,7 +156,7 @@ static int write_all(int fd, char *buf, unsigned int nbyte)
}
-int recv_token(int s, gss_buffer_t tok)
+static int recv_token(int s, gss_buffer_t tok)
{
int ret;
unsigned char lenbuf[4];
@@ -136,12 +164,12 @@ int recv_token(int s, gss_buffer_t tok)
ret = read_all(s, (char *) lenbuf, 4);
if (ret < 0) {
- logerror("GSS-API error reading token length");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error reading token length");
return -1;
} else if (!ret) {
return 0;
} else if (ret != 4) {
- logerror("GSS-API error reading token length");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error reading token length");
return -1;
}
@@ -153,17 +181,17 @@ int recv_token(int s, gss_buffer_t tok)
tok->value = (char *) malloc(tok->length ? tok->length : 1);
if (tok->length && tok->value == NULL) {
- logerror("Out of memory allocating token data\n");
+ errmsg.LogError(NO_ERRCODE, "Out of memory allocating token data\n");
return -1;
}
ret = read_all(s, (char *) tok->value, tok->length);
if (ret < 0) {
- logerror("GSS-API error reading token data");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error reading token data");
free(tok->value);
return -1;
} else if (ret != (int) tok->length) {
- logerror("GSS-API error reading token data");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error reading token data");
free(tok->value);
return -1;
}
@@ -172,7 +200,7 @@ int recv_token(int s, gss_buffer_t tok)
}
-int send_token(int s, gss_buffer_t tok)
+static int send_token(int s, gss_buffer_t tok)
{
int ret;
unsigned char lenbuf[4];
@@ -188,23 +216,88 @@ int send_token(int s, gss_buffer_t tok)
ret = write_all(s, (char *) lenbuf, 4);
if (ret < 0) {
- logerror("GSS-API error sending token length");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error sending token length");
return -1;
} else if (ret != 4) {
- logerror("GSS-API error sending token length");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error sending token length");
return -1;
}
ret = write_all(s, tok->value, tok->length);
if (ret < 0) {
- logerror("GSS-API error sending token data");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error sending token data");
return -1;
} else if (ret != (int) tok->length) {
- logerror("GSS-API error sending token data");
+ errmsg.LogError(NO_ERRCODE, "GSS-API error sending token data");
return -1;
}
return 0;
}
-#endif /* #if defined(SYSLOG_INET) && defined(USE_GSSAPI) */
+
+/* queryInterface function
+ * rgerhards, 2008-02-29
+ */
+BEGINobjQueryInterface(gssutil)
+CODESTARTobjQueryInterface(gssutil)
+ if(pIf->ifVersion != gssutilCURR_IF_VERSION) { /* check for current version, increment on each change */
+ ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED);
+ }
+
+ /* ok, we have the right interface, so let's fill it
+ * Please note that we may also do some backwards-compatibility
+ * work here (if we can support an older interface version - that,
+ * of course, also affects the "if" above).
+ */
+ pIf->recv_token = recv_token;
+ pIf->send_token = send_token;
+ pIf->display_status = display_status;
+ pIf->display_ctx_flags = display_ctx_flags;
+
+finalize_it:
+ENDobjQueryInterface(gssutil)
+
+
+/* exit our class
+ * rgerhards, 2008-03-10
+ */
+BEGINObjClassExit(gssutil, OBJ_IS_LOADABLE_MODULE) /* CHANGE class also in END MACRO! */
+CODESTARTObjClassExit(gssutil)
+ /* release objects we no longer need */
+ objRelease(errmsg, CORE_COMPONENT);
+ENDObjClassExit(gssutil)
+
+
+/* Initialize our class. Must be called as the very first method
+ * before anything else is called inside this class.
+ * rgerhards, 2008-02-29
+ */
+BEGINAbstractObjClassInit(gssutil, 1, OBJ_IS_LOADABLE_MODULE) /* class, version - CHANGE class also in END MACRO! */
+ /* request objects we use */
+ CHKiRet(objUse(errmsg, CORE_COMPONENT));
+ENDObjClassInit(gssutil)
+
+
+/* --------------- here now comes the plumbing that makes as a library module --------------- */
+
+
+BEGINmodExit
+CODESTARTmodExit
+ gssutilClassExit();
+ENDmodExit
+
+
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+CODEqueryEtryPt_STD_LIB_QUERIES
+ENDqueryEtryPt
+
+
+BEGINmodInit()
+CODESTARTmodInit
+ *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
+
+ /* Initialize all classes that are in our module - this includes ourselfs */
+ CHKiRet(gssutilClassInit(pModInfo)); /* must be done after tcps_sess, as we use it */
+ENDmodInit
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