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MENT-645 Undefined symbols for architecture x86_64: _pam_syslog

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added cmake checks for pam_ext.h and pam_appl.h headers
added check for pam_syslog()
added pam_syslog() if doesn't exist
all cmake checks performed from inside the plugin
This commit is contained in:
Alexey Bychko 2020-02-25 17:59:49 +07:00 committed by Oleksandr Byelkin
parent 4618c974e4
commit 42b29d4133
2 changed files with 38 additions and 6 deletions
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14
plugin/auth_pam/CMakeLists.txt
View file

@ -1,10 +1,24 @@
INCLUDE (CheckIncludeFiles)
INCLUDE (CheckFunctionExists)
CHECK_INCLUDE_FILES (security/pam_ext.h HAVE_PAM_EXT_H)
CHECK_INCLUDE_FILES (security/pam_appl.h HAVE_PAM_APPL_H)
CHECK_FUNCTION_EXISTS (strndup HAVE_STRNDUP)
SET(CMAKE_REQUIRED_LIBRARIES pam)
CHECK_FUNCTION_EXISTS(pam_syslog HAVE_PAM_SYSLOG)
SET(CMAKE_REQUIRED_LIBRARIES)
IF(HAVE_PAM_SYSLOG)
ADD_DEFINITIONS(-DHAVE_PAM_SYSLOG)
ENDIF()
IF(HAVE_PAM_EXT_H)
ADD_DEFINITIONS(-DHAVE_PAM_EXT_H)
ENDIF()
IF(HAVE_PAM_APPL_H)
ADD_DEFINITIONS(-DHAVE_PAM_APPL_H)
IF(HAVE_STRNDUP)
ADD_DEFINITIONS(-DHAVE_STRNDUP)
ENDIF(HAVE_STRNDUP)

30
plugin/auth_pam/mapper/pam_user_map.c
View file

@ -2,7 +2,7 @@
Pam module to change user names arbitrarily in the pam stack.
Compile as
gcc pam_user_map.c -shared -lpam -fPIC -o pam_user_map.so
Install as appropriate (for example, in /lib/security/).
@ -39,14 +39,36 @@ and usually end up in /var/log/secure file.
#include <grp.h>
#include <pwd.h>
#ifdef HAVE_PAM_EXT_H
#include <security/pam_ext.h>
#endif
#ifdef HAVE_PAM_APPL_H
#include <unistd.h>
#include <security/pam_appl.h>
#endif
#include <security/pam_modules.h>
#ifndef HAVE_PAM_SYSLOG
#include <stdarg.h>
static void
pam_syslog (const pam_handle_t *pamh, int priority,
const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
vsyslog (priority, fmt, args);
va_end (args);
}
#endif
#define FILENAME "/etc/security/user_map.conf"
#define skip(what) while (*s && (what)) s++
#define SYSLOG_DEBUG if (mode_debug) pam_syslog
#define GROUP_BUFFER_SIZE 100
static const char debug_keyword[]= "debug";
static int populate_user_groups(const char *user, gid_t **groups)
{
@ -128,10 +150,6 @@ static void print_groups(pam_handle_t *pamh, const gid_t *user_groups, int ng)
ng, (ng == 1) ? "group" : "groups", buf+1);
}
static const char debug_keyword[]= "debug";
#define SYSLOG_DEBUG if (mode_debug) pam_syslog
int pam_sm_authenticate(pam_handle_t *pamh, int flags,
int argc, const char *argv[])
{