From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: gagan sidhu <gagan@hotmail.com>
Date: Sun, 21 May 2023 15:47:36 -0600
Subject: [PATCH 1/3] add pcre2 support
(cherry picked from commit d3e95c87b32397815f6d5bcfc844259f2552697a)
Conflicts:
agent/mibgroup/host/data_access/swrun.c
agent/mibgroup/if-mib/data_access/interface.c
agent/mibgroup/struct.h
agent/mibgroup/ucd-snmp/proc.c
configure.d/config_os_libs1
include/net-snmp/data_access/interface.h
---
agent/mibgroup/host/data_access/swrun.c | 18 ++++++--
agent/mibgroup/if-mib/data_access/interface.c | 44 ++++++++++++++++---
agent/mibgroup/struct.h | 2 +-
agent/mibgroup/ucd-snmp/proc.c | 27 +++++++++---
agent/mibgroup/ucd-snmp/proc.h | 2 +-
configure.d/config_os_libs1 | 27 ++++++++++++
configure.d/config_project_with_enable | 4 ++
include/net-snmp/data_access/interface.h | 9 +++-
include/net-snmp/data_access/swrun.h | 2 +-
include/net-snmp/types.h | 2 +-
10 files changed, 116 insertions(+), 21 deletions(-)
diff --git a/agent/mibgroup/host/data_access/swrun.c b/agent/mibgroup/host/data_access/swrun.c
index f58143a0b7..f0442b4493 100644
--- a/agent/mibgroup/host/data_access/swrun.c
+++ b/agent/mibgroup/host/data_access/swrun.c
@@ -17,7 +17,10 @@
#include "swrun.h"
#include "swrun_private.h"
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H)
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+#elif defined(HAVE_PCRE_H)
#include <pcre.h>
#endif
@@ -100,14 +103,21 @@ swrun_max_processes( void )
#endif /* NETSNMP_FEATURE_REMOVE_SWRUN_MAX_PROCESSES */
#ifndef NETSNMP_FEATURE_REMOVE_SWRUN_COUNT_PROCESSES_BY_REGEX
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
int
swrun_count_processes_by_regex( char *name, netsnmp_regex_ptr regexp )
{
netsnmp_swrun_entry *entry;
netsnmp_iterator *it;
int i = 0;
+#ifdef HAVE_PCRE2_H
+ pcre2_match_data *ndx_match;
+ int *found_ndx;
+ ndx_match = pcre2_match_data_create(30, NULL);
+ found_ndx = pcre2_get_ovector_pointer(ndx_match);
+#elif HAVE_PCRE_H
int found_ndx[30];
+#endif
int found;
char fullCommand[64 + 128 + 128 + 3];
@@ -125,7 +135,9 @@ swrun_count_processes_by_regex( char *name, netsnmp_regex_ptr regexp )
}
}
ITERATOR_RELEASE( it );
-
+#ifdef HAVE_PCRE2_H
+ pcre2_match_data_free(ndx_match);
+#endif
return i;
}
#endif /* HAVE_PCRE_H */
diff --git a/agent/mibgroup/if-mib/data_access/interface.c b/agent/mibgroup/if-mib/data_access/interface.c
index 3f1b392864..5d714e9895 100644
--- a/agent/mibgroup/if-mib/data_access/interface.c
+++ b/agent/mibgroup/if-mib/data_access/interface.c
@@ -16,7 +16,11 @@
#include "if-mib/ifTable/ifTable.h"
#include "if-mib/data_access/interface.h"
#include "interface_private.h"
-#if defined(HAVE_PCRE_H)
+
+#if defined(HAVE_PCRE2_H)
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+#elif defined(HAVE_PCRE_H)
#include <pcre.h>
#elif defined(HAVE_REGEX_H)
#include <sys/types.h>
@@ -824,7 +828,13 @@ int netsnmp_access_interface_max_reached(const char *name)
int netsnmp_access_interface_include(const char *name)
{
netsnmp_include_if_list *if_ptr;
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H)
+ //pcre_exec->pcre2_match
+ //ovector->pcre2_match_data
+ pcre2_match_data *ndx_match;
+ ndx_match = pcre2_match_data_create(3, NULL);
+ int *found_ndx = pcre2_get_ovector_pointer(ndx_match);
+#elif defined(HAVE_PCRE_H)
int found_ndx[3];
#endif
@@ -840,7 +850,13 @@ int netsnmp_access_interface_include(const char *name)
for (if_ptr = include_list; if_ptr; if_ptr = if_ptr->next) {
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H)
+ if (pcre2_match(if_ptr->regex_ptr, name, strlen(name), 0, 0,
+ ndx_match, NULL) >= 0) {
+ pcre2_match_data_free(ndx_match);
+ return TRUE;
+ }
+#elif defined(HAVE_PCRE_H)
if (pcre_exec(if_ptr->regex_ptr, NULL, name, strlen(name), 0, 0,
found_ndx, 3) >= 0)
return TRUE;
@@ -964,7 +980,13 @@ _parse_include_if_config(const char *token, char *cptr)
{
netsnmp_include_if_list *if_ptr, *if_new;
char *name, *st;
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H)
+ //we can only get the message upon calling pcre2_error_message.
+ // so an additional variable is required.
+ int pcre2_err_code;
+ unsigned char pcre2_error[128];
+ int pcre2_error_offset;
+#elif defined(HAVE_PCRE_H)
const char *pcre_error;
int pcre_error_offset;
#elif defined(HAVE_REGEX_H)
@@ -996,7 +1018,15 @@ _parse_include_if_config(const char *token, char *cptr)
config_perror("Out of memory");
goto err;
}
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H)
+ if_new->regex_ptr = pcre2_compile(if_new->name, PCRE2_ZERO_TERMINATED, 0,
+ &pcre2_err_code, &pcre2_error_offset, NULL);
+ if (!if_new->regex_ptr) {
+ pcre2_get_error_message(pcre2_err_code, pcre2_error, 128);
+ config_perror(pcre2_error);
+ goto err;
+ }
+#elif defined(HAVE_PCRE_H)
if_new->regex_ptr = pcre_compile(if_new->name, 0, &pcre_error,
&pcre_error_offset, NULL);
if (!if_new->regex_ptr) {
@@ -1032,7 +1062,7 @@ _parse_include_if_config(const char *token, char *cptr)
err:
if (if_new) {
-#if defined(HAVE_PCRE_H) || defined(HAVE_REGEX_H)
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H) || defined(HAVE_REGEX_H)
free(if_new->regex_ptr);
#endif
free(if_new->name);
@@ -1047,7 +1077,7 @@ _free_include_if_config(void)
while (if_ptr) {
if_next = if_ptr->next;
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
free(if_ptr->regex_ptr);
#elif defined(HAVE_REGEX_H)
regfree(if_ptr->regex_ptr);
diff --git a/agent/mibgroup/struct.h b/agent/mibgroup/struct.h
index d6c69c0449..d6d85e4124 100644
--- a/agent/mibgroup/struct.h
+++ b/agent/mibgroup/struct.h
@@ -30,7 +30,7 @@ struct extensible {
struct myproc {
char name[STRMAX];
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
netsnmp_regex_ptr regexp;
#endif
char fixcmd[STRMAX];
diff --git a/agent/mibgroup/ucd-snmp/proc.c b/agent/mibgroup/ucd-snmp/proc.c
index 01704e8f39..f819122bc2 100644
--- a/agent/mibgroup/ucd-snmp/proc.c
+++ b/agent/mibgroup/ucd-snmp/proc.c
@@ -39,7 +39,10 @@
# include <time.h>
# endif
#endif
-#ifdef HAVE_PCRE_H
+#ifdef HAVE_PCRE2_H
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+#elif HAVE_PCRE_H
#include <pcre.h>
#endif
@@ -134,7 +137,7 @@ proc_free_config(void)
for (ptmp = procwatch; ptmp != NULL;) {
ptmp2 = ptmp;
ptmp = ptmp->next;
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
free(ptmp2->regexp.regex_ptr);
#endif
free(ptmp2);
@@ -208,7 +211,7 @@ proc_parse_config(const char *token, char *cptr)
if (*procp == NULL)
return; /* memory alloc error */
numprocs++;
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
(*procp)->regexp.regex_ptr = NULL;
#endif
/*
@@ -220,9 +223,22 @@ proc_parse_config(const char *token, char *cptr)
cptr = skip_not_white(cptr);
if ((cptr = skip_white(cptr))) {
(*procp)->min = atoi(cptr);
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
cptr = skip_not_white(cptr);
if ((cptr = skip_white(cptr))) {
+ DEBUGMSGTL(("ucd-snmp/regexp_proc", "Loading regex %s\n", cptr));
+#ifdef HAVE_PCRE2_H
+ unsigned char pcre2_error_msg[128];
+ int pcre2_err_code;
+ int pcre2_error_offset;
+
+ (*procp)->regexp.regex_ptr =
+ pcre2_compile(cptr, PCRE2_ZERO_TERMINATED, 0, &pcre2_err_code, &pcre2_error_offset, NULL);
+ pcre2_get_error_message(pcre2_err_code, pcre2_error_msg, 128);
+ if ((*procp)->regexp.regex_ptr == NULL) {
+ config_perror(pcre2_error_msg);
+ }
+#elif HAVE_PCRE_H
const char *pcre_error;
int pcre_error_offset;
@@ -232,6 +248,7 @@ proc_parse_config(const char *token, char *cptr)
if ((*procp)->regexp.regex_ptr == NULL) {
config_perror(pcre_error);
}
+#endif
}
#endif
} else
@@ -406,7 +423,7 @@ sh_count_procs(char *procname)
return swrun_count_processes_by_name( procname );
}
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
netsnmp_feature_require(swrun_count_processes_by_regex);
int
sh_count_procs_by_regex(char *procname, netsnmp_regex_ptr regexp)
diff --git a/agent/mibgroup/ucd-snmp/proc.h b/agent/mibgroup/ucd-snmp/proc.h
index dd95082339..001fcfa3be 100644
--- a/agent/mibgroup/ucd-snmp/proc.h
+++ b/agent/mibgroup/ucd-snmp/proc.h
@@ -12,7 +12,7 @@ config_require(util_funcs)
extern WriteMethod fixProcError;
int sh_count_myprocs(struct myproc *);
int sh_count_procs(char *);
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
int sh_count_procs_by_regex(char *, netsnmp_regex_ptr);
#endif
diff --git a/configure.d/config_os_libs1 b/configure.d/config_os_libs1
index 3ccd41c1a8..0bbbf38701 100644
--- a/configure.d/config_os_libs1
+++ b/configure.d/config_os_libs1
@@ -97,6 +97,32 @@ LIBS="$netsnmp_save_LIBS"
#
# regex in process table
#
+if test "x$with_pcre2" != "xno"; then
+ AC_CHECK_HEADER([pcre2.h], [
+ AC_DEFINE([HAVE_PCRE2_H], [1], [Define to 1 if you have <pcre2.h>.])
+ pcre2_h=yes
+ ],
+ [pcre2_h=no], [#define PCRE2_CODE_UNIT_WIDTH 8]
+ )
+fi
+if test "x$pcre2header_h" = "xno" -o "x$pcre2_h" = "xno" ; then
+ if test "x$with_pcre2" = "xyes" ; then
+ AC_MSG_ERROR([Could not find the pcre2 header file needed and was specifically asked to use pcre2 support])
+ else
+ with_pcre2=no
+ fi
+fi
+
+if test "x$with_pcre2" != "xno"; then
+ NETSNMP_SEARCH_LIBS([pcre2_match_8], [pcre2-8], [
+ LMIBLIBS="$LMIBLIBS -lpcre2-8"
+ ],,, LAGENTLIBS)
+ AC_SUBST(LAGENTLIBS)
+ AC_SUBST(LMIBLIBS)
+fi
+
+if test "x$with_pcre2" != "xyes"; then
+
if test "x$with_pcre" != "xno"; then
AC_CHECK_HEADER([pcre.h], [
AC_DEFINE([HAVE_PCRE_H], [1], [Define to 1 if you have <pcre.h>.])
@@ -123,3 +149,4 @@ if test "x$with_pcre" != "xno"; then
AC_SUBST(LAGENTLIBS)
AC_SUBST(LMIBLIBS)
fi
+fi
diff --git a/configure.d/config_project_with_enable b/configure.d/config_project_with_enable
index cdf56deb69..b6dabfbf8d 100644
--- a/configure.d/config_project_with_enable
+++ b/configure.d/config_project_with_enable
@@ -160,6 +160,10 @@ NETSNMP_ARG_WITH(rpm,
management system when building the host MIB
module.])
+NETSNMP_ARG_WITH(pcre2-8,
+[ --without-pcre2 Don't include pcre2 process searching
+ support in the agent.],
+ with_pcre2="$withval", with_pcre2="maybe")
NETSNMP_ARG_WITH(pcre,
[ --without-pcre Don't include pcre process searching
diff --git a/include/net-snmp/data_access/interface.h b/include/net-snmp/data_access/interface.h
index 36c32475f5..2c7c880340 100644
--- a/include/net-snmp/data_access/interface.h
+++ b/include/net-snmp/data_access/interface.h
@@ -10,7 +10,10 @@
extern "C" {
#endif
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H)
+#define PCRE2_CODE_UNIT_WIDTH 8
+#include <pcre2.h>
+#elif defined(HAVE_PCRE_H)
#include <pcre.h>
#elif defined(HAVE_REGEX_H)
#include <regex.h>
@@ -211,7 +214,9 @@ typedef struct _conf_if_list {
typedef netsnmp_conf_if_list conf_if_list; /* backwards compat */
typedef struct _include_if_list {
-#if defined(HAVE_PCRE_H)
+#if defined(HAVE_PCRE2_H)
+ pcre2_code *regex_ptr;
+#elif defined(HAVE_PCRE_H)
pcre *regex_ptr;
#elif defined(HAVE_REGEX_H)
regex_t *regex_ptr;
diff --git a/include/net-snmp/data_access/swrun.h b/include/net-snmp/data_access/swrun.h
index 2b8636b7a8..578f1ed6d7 100644
--- a/include/net-snmp/data_access/swrun.h
+++ b/include/net-snmp/data_access/swrun.h
@@ -90,7 +90,7 @@ extern "C" {
int swrun_count_processes_by_name( char *name );
#if !defined(NETSNMP_FEATURE_REMOVE_SWRUN_COUNT_PROCESSES_BY_REGEX) \
- && defined(HAVE_PCRE_H)
+ && (defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H))
int swrun_count_processes_by_regex(char *name, netsnmp_regex_ptr regexp);
#endif
diff --git a/include/net-snmp/types.h b/include/net-snmp/types.h
index d489f37b16..eb1b8f1b28 100644
--- a/include/net-snmp/types.h
+++ b/include/net-snmp/types.h
@@ -63,7 +63,7 @@ typedef long ssize_t;
typedef unsigned long int nfds_t;
#endif
-#ifdef HAVE_PCRE_H
+#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
/*
* Abstract the pcre typedef such that not all *.c files have to include
* <pcre.h>.
--
2.43.2
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Sun, 21 May 2023 16:18:56 -0700
Subject: [PATCH 2/3] Improve pcre2 support
Fix compiler warnings. Convert C++ comments to C comments. Make sure that
declarations occur before statements.
(cherry picked from commit 346b6f8959513320e5b674fd670c49ba2cd43af5)
Conflicts:
agent/mibgroup/host/data_access/swrun.c
---
agent/mibgroup/host/data_access/swrun.c | 16 +++++++---
agent/mibgroup/if-mib/data_access/interface.c | 32 ++++++++++---------
agent/mibgroup/ucd-snmp/proc.c | 12 ++++---
3 files changed, 35 insertions(+), 25 deletions(-)
diff --git a/agent/mibgroup/host/data_access/swrun.c b/agent/mibgroup/host/data_access/swrun.c
index f0442b4493..6bfb267531 100644
--- a/agent/mibgroup/host/data_access/swrun.c
+++ b/agent/mibgroup/host/data_access/swrun.c
@@ -111,10 +111,7 @@ swrun_count_processes_by_regex( char *name, netsnmp_regex_ptr regexp )
netsnmp_iterator *it;
int i = 0;
#ifdef HAVE_PCRE2_H
- pcre2_match_data *ndx_match;
- int *found_ndx;
- ndx_match = pcre2_match_data_create(30, NULL);
- found_ndx = pcre2_get_ovector_pointer(ndx_match);
+ pcre2_match_data *ndx_match = pcre2_match_data_create(30, NULL);
#elif HAVE_PCRE_H
int found_ndx[30];
#endif
@@ -122,14 +119,23 @@ swrun_count_processes_by_regex( char *name, netsnmp_regex_ptr regexp )
char fullCommand[64 + 128 + 128 + 3];
netsnmp_cache_check_and_reload(swrun_cache);
- if ( !swrun_container || !name || !regexp.regex_ptr )
+ if ( !swrun_container || !name || !regexp.regex_ptr ) {
+#ifdef HAVE_PCRE2_H
+ pcre2_match_data_free(ndx_match);
+#endif
return 0; /* or -1 */
+ }
it = CONTAINER_ITERATOR( swrun_container );
while ((entry = (netsnmp_swrun_entry*)ITERATOR_NEXT( it )) != NULL) {
/* need to assemble full command back so regexps can get full picture */
sprintf(fullCommand, "%s %s", entry->hrSWRunPath, entry->hrSWRunParameters);
+#ifdef HAVE_PCRE2_H
+ found = pcre2_match(regexp.regex_ptr, (unsigned char *)fullCommand,
+ strlen(fullCommand), 0, 0, ndx_match, NULL);
+#elif HAVE_PCRE_H
found = pcre_exec(regexp.regex_ptr, NULL, fullCommand, strlen(fullCommand), 0, 0, found_ndx, 30);
+#endif
if (found > 0) {
i++;
}
diff --git a/agent/mibgroup/if-mib/data_access/interface.c b/agent/mibgroup/if-mib/data_access/interface.c
index 5d714e9895..eda9a17070 100644
--- a/agent/mibgroup/if-mib/data_access/interface.c
+++ b/agent/mibgroup/if-mib/data_access/interface.c
@@ -828,12 +828,8 @@ int netsnmp_access_interface_max_reached(const char *name)
int netsnmp_access_interface_include(const char *name)
{
netsnmp_include_if_list *if_ptr;
-#if defined(HAVE_PCRE2_H)
- //pcre_exec->pcre2_match
- //ovector->pcre2_match_data
- pcre2_match_data *ndx_match;
- ndx_match = pcre2_match_data_create(3, NULL);
- int *found_ndx = pcre2_get_ovector_pointer(ndx_match);
+#if defined(HAVE_PCRE2_H)
+ pcre2_match_data *ndx_match = pcre2_match_data_create(3, NULL);
#elif defined(HAVE_PCRE_H)
int found_ndx[3];
#endif
@@ -851,8 +847,8 @@ int netsnmp_access_interface_include(const char *name)
for (if_ptr = include_list; if_ptr; if_ptr = if_ptr->next) {
#if defined(HAVE_PCRE2_H)
- if (pcre2_match(if_ptr->regex_ptr, name, strlen(name), 0, 0,
- ndx_match, NULL) >= 0) {
+ if (pcre2_match(if_ptr->regex_ptr, (const unsigned char *)name,
+ strlen(name), 0, 0, ndx_match, NULL) >= 0) {
pcre2_match_data_free(ndx_match);
return TRUE;
}
@@ -981,11 +977,13 @@ _parse_include_if_config(const char *token, char *cptr)
netsnmp_include_if_list *if_ptr, *if_new;
char *name, *st;
#if defined(HAVE_PCRE2_H)
- //we can only get the message upon calling pcre2_error_message.
- // so an additional variable is required.
+ /*
+ * We can only get the message upon calling pcre2_error_message.
+ * so an additional variable is required.
+ */
int pcre2_err_code;
- unsigned char pcre2_error[128];
- int pcre2_error_offset;
+ char pcre2_error[128];
+ size_t pcre2_error_offset;
#elif defined(HAVE_PCRE_H)
const char *pcre_error;
int pcre_error_offset;
@@ -1019,10 +1017,14 @@ _parse_include_if_config(const char *token, char *cptr)
goto err;
}
#if defined(HAVE_PCRE2_H)
- if_new->regex_ptr = pcre2_compile(if_new->name, PCRE2_ZERO_TERMINATED, 0,
- &pcre2_err_code, &pcre2_error_offset, NULL);
+ if_new->regex_ptr = pcre2_compile((const unsigned char *)if_new->name,
+ PCRE2_ZERO_TERMINATED, 0,
+ &pcre2_err_code, &pcre2_error_offset,
+ NULL);
if (!if_new->regex_ptr) {
- pcre2_get_error_message(pcre2_err_code, pcre2_error, 128);
+ pcre2_get_error_message(pcre2_err_code,
+ (unsigned char *)pcre2_error,
+ sizeof(pcre2_error));
config_perror(pcre2_error);
goto err;
}
diff --git a/agent/mibgroup/ucd-snmp/proc.c b/agent/mibgroup/ucd-snmp/proc.c
index f819122bc2..d10e428ecd 100644
--- a/agent/mibgroup/ucd-snmp/proc.c
+++ b/agent/mibgroup/ucd-snmp/proc.c
@@ -226,15 +226,17 @@ proc_parse_config(const char *token, char *cptr)
#if defined(HAVE_PCRE2_H) || defined(HAVE_PCRE_H)
cptr = skip_not_white(cptr);
if ((cptr = skip_white(cptr))) {
- DEBUGMSGTL(("ucd-snmp/regexp_proc", "Loading regex %s\n", cptr));
#ifdef HAVE_PCRE2_H
- unsigned char pcre2_error_msg[128];
+ char pcre2_error_msg[128];
int pcre2_err_code;
- int pcre2_error_offset;
+ size_t pcre2_error_offset;
+ DEBUGMSGTL(("ucd-snmp/regexp_proc", "Loading regex %s\n", cptr));
(*procp)->regexp.regex_ptr =
- pcre2_compile(cptr, PCRE2_ZERO_TERMINATED, 0, &pcre2_err_code, &pcre2_error_offset, NULL);
- pcre2_get_error_message(pcre2_err_code, pcre2_error_msg, 128);
+ pcre2_compile((const unsigned char *)cptr, PCRE2_ZERO_TERMINATED, 0, &pcre2_err_code, &pcre2_error_offset, NULL);
+ pcre2_get_error_message(pcre2_err_code,
+ (unsigned char *)pcre2_error_msg,
+ sizeof(pcre2_error_msg));
if ((*procp)->regexp.regex_ptr == NULL) {
config_perror(pcre2_error_msg);
}
--
2.43.2
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Niels Baggesen <nba@users.sourceforge.net>
Date: Mon, 22 May 2023 18:44:36 +0200
Subject: [PATCH 3/3] if-mib/data_access/interface.c: plug a leak with pcre2
(cherry picked from commit e5aadf1e78c624a8e4147d4b70a7795497a50e73)
---
agent/mibgroup/if-mib/data_access/interface.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/agent/mibgroup/if-mib/data_access/interface.c b/agent/mibgroup/if-mib/data_access/interface.c
index eda9a17070..82a77ab37b 100644
--- a/agent/mibgroup/if-mib/data_access/interface.c
+++ b/agent/mibgroup/if-mib/data_access/interface.c
@@ -829,7 +829,7 @@ int netsnmp_access_interface_include(const char *name)
{
netsnmp_include_if_list *if_ptr;
#if defined(HAVE_PCRE2_H)
- pcre2_match_data *ndx_match = pcre2_match_data_create(3, NULL);
+ pcre2_match_data *ndx_match;
#elif defined(HAVE_PCRE_H)
int found_ndx[3];
#endif
@@ -844,6 +844,9 @@ int netsnmp_access_interface_include(const char *name)
*/
return TRUE;
+#if defined(HAVE_PCRE2_H)
+ ndx_match = pcre2_match_data_create(3, NULL);
+#endif
for (if_ptr = include_list; if_ptr; if_ptr = if_ptr->next) {
#if defined(HAVE_PCRE2_H)
--
2.43.2