commit
e6650f2673
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Apache License
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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APPENDIX: How to apply the Apache License to your work.
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@ -0,0 +1,23 @@
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INSTALL := install
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DESTDIR :=
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PIC := -fPIC
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LD_D := $(CC) -shared
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CFLAGS :=
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SHARE := -g $(PIC)
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MODULENAME := update
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||||||
|
PAMMODULE := pam_$(MODULENAME)
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||||||
|
|
||||||
|
|
||||||
|
$(PAMMODULE): $(PAMMODULE).c
|
||||||
|
$(CC) $(CFLAGS) $(SHARE) -c $(PAMMODULE).c -o $(PAMMODULE).o
|
||||||
|
$(LD_D) -o $(PAMMODULE).so $(PAMMODULE).o -lc -lpam -liniparser
|
||||||
|
|
||||||
|
clean: $(PAMMODULE).so $(PAMMODULE).o
|
||||||
|
$(RM) $(PAMMODULE).o
|
||||||
|
$(RM) $(PAMMODULE).so
|
||||||
|
|
||||||
|
install: $(PAMMODULE).so
|
||||||
|
$(INSTALL) -D -m 0755 $(PAMMODULE).so $(DESTDIR)/lib/security/$(PAMMODULE).so
|
||||||
|
|
||||||
|
uninstall: $(DESTDIR)/lib/security/$(PAMMODULE).so
|
||||||
|
$(RM) $(DESTDIR)/lib/security/$(PAMMODULE).so
|
@ -0,0 +1,13 @@
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This is the README file for the library pam_update.
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Library pam_update designed to check system for prepared update
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Installation
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----------
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make
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make install
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Delete
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--------
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make uninstall
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@ -0,0 +1,228 @@
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/* pam_update module */
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/*
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* Module for check Calculate update, pam_mail as base.
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*/
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#include <ctype.h>
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#include <pwd.h>
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#include <stdarg.h>
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|
#include <stdio.h>
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||||||
|
#include <stdlib.h>
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#include <string.h>
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||||||
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#include <syslog.h>
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|
#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <errno.h>
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#include <iniparser.h>
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#ifdef HAVE_PATHS_H
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#include <paths.h>
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#endif
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#define PAM_SM_SESSION
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#define PAM_SM_AUTH
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#include <security/pam_modules.h>
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#include <security/_pam_macros.h>
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|
#include <security/pam_modutil.h>
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||||||
|
#include <security/pam_ext.h>
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|
#define INI_ENV "/etc/calculate/ini.env"
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|
#define PROTECT_DIR "/etc"
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|
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|
#define HAVE_NO_UPDATE 0x0
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|
#define HAVE_NEW_CONFIG 0x1
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#define HAVE_NEW_PACKAGES 0x2
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|
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static
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|
int has_cfg_files(char *pdir) {
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DIR *dfd;
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|
struct dirent *dp;
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|
char filename[NAME_MAX];
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|
int ret=0;
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||||||
|
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|
dfd = opendir(pdir);
|
||||||
|
if(!dfd) {
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||||||
|
return 0;
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||||||
|
}
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||||||
|
while( (dp=readdir(dfd)) != NULL) {
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||||||
|
// skip internal name
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||||||
|
if(strcmp(dp->d_name,".") == 0 ||
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||||||
|
strcmp(dp->d_name,"..") == 0)
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|
continue;
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||||||
|
// found ._cfg files for dispatch-conf
|
||||||
|
// TODO: начало файла
|
||||||
|
if(strstr(dp->d_name,"._cfg")) {
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||||||
|
ret = 1;
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||||||
|
break;
|
||||||
|
}
|
||||||
|
// recursive search in directories
|
||||||
|
if(dp->d_type == DT_DIR) {
|
||||||
|
if(strlen(pdir) + strlen(dp->d_name) + 1 < NAME_MAX) {
|
||||||
|
strcpy(filename,pdir);
|
||||||
|
strcat(filename,"/");
|
||||||
|
strcat(filename,dp->d_name);
|
||||||
|
if(has_cfg_files(filename)) {
|
||||||
|
ret = 1;
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||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
closedir(dfd);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static
|
||||||
|
int has_new_packages() {
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||||||
|
dictionary *ini;
|
||||||
|
char *value;
|
||||||
|
int ret = 0;
|
||||||
|
|
||||||
|
ini = iniparser_load(INI_ENV);
|
||||||
|
if(ini==NULL) {
|
||||||
|
fprintf(stderr, "wrong file: %s\n", INI_ENV);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
value = iniparser_getstring(ini, "update:packages", NULL);
|
||||||
|
if(value && strcmp(value,"on") == 0) {
|
||||||
|
ret = 1;
|
||||||
|
}
|
||||||
|
iniparser_freedict(ini);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
get_update_status(pam_handle_t *pamh)
|
||||||
|
{
|
||||||
|
int ret = HAVE_NO_UPDATE;
|
||||||
|
if(has_new_packages()) ret |= HAVE_NEW_PACKAGES;
|
||||||
|
if(has_cfg_files(PROTECT_DIR)) ret |= HAVE_NEW_CONFIG;
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
report_update(pam_handle_t *pamh, int type)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
switch (type)
|
||||||
|
{
|
||||||
|
case HAVE_NO_UPDATE:
|
||||||
|
retval = PAM_SUCCESS;
|
||||||
|
break;
|
||||||
|
case HAVE_NEW_CONFIG:
|
||||||
|
case HAVE_NEW_PACKAGES:
|
||||||
|
retval = pam_info (pamh, "%s", "The system has updates.");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
retval = PAM_SUCCESS;
|
||||||
|
}
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _do_update(pam_handle_t *, int, int, const char **, int);
|
||||||
|
|
||||||
|
/* --- authentication functions --- */
|
||||||
|
|
||||||
|
PAM_EXTERN int
|
||||||
|
pam_sm_authenticate (pam_handle_t *pamh, int flags,
|
||||||
|
int argc, const char **argv)
|
||||||
|
{
|
||||||
|
return PAM_IGNORE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Checking update as part of authentication */
|
||||||
|
PAM_EXTERN
|
||||||
|
int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc,
|
||||||
|
const char **argv)
|
||||||
|
{
|
||||||
|
if (!(flags & (PAM_ESTABLISH_CRED|PAM_DELETE_CRED)))
|
||||||
|
return PAM_IGNORE;
|
||||||
|
return _do_update(pamh,flags,argc,argv,(flags & PAM_ESTABLISH_CRED));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* --- session management functions --- */
|
||||||
|
|
||||||
|
PAM_EXTERN
|
||||||
|
int pam_sm_close_session(pam_handle_t *pamh,int flags,int argc
|
||||||
|
,const char **argv)
|
||||||
|
{
|
||||||
|
return _do_update(pamh,flags,argc,argv,0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Checking update as part of the session management */
|
||||||
|
PAM_EXTERN
|
||||||
|
int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc,
|
||||||
|
const char **argv)
|
||||||
|
{
|
||||||
|
return _do_update(pamh,flags,argc,argv,1);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* --- The Beaf (Tm) --- */
|
||||||
|
|
||||||
|
static int _do_update(pam_handle_t *pamh, int flags, int argc,
|
||||||
|
const char **argv, int est)
|
||||||
|
{
|
||||||
|
int retval, type;
|
||||||
|
size_t hashcount;
|
||||||
|
char *folder = NULL;
|
||||||
|
const char *user;
|
||||||
|
const char *path_mail = NULL;
|
||||||
|
const struct passwd *pwd = NULL;
|
||||||
|
|
||||||
|
retval = pam_get_user(pamh, &user, NULL);
|
||||||
|
if (retval != PAM_SUCCESS || user == NULL) {
|
||||||
|
pam_syslog(pamh, LOG_ERR, "cannot determine username");
|
||||||
|
return PAM_USER_UNKNOWN;
|
||||||
|
}
|
||||||
|
|
||||||
|
pwd = pam_modutil_getpwnam (pamh, user);
|
||||||
|
if (pwd == NULL) {
|
||||||
|
pam_syslog(pamh, LOG_ERR, "user unknown");
|
||||||
|
return PAM_USER_UNKNOWN;
|
||||||
|
}
|
||||||
|
if(strcmp(user,"root")) {
|
||||||
|
return PAM_IGNORE;
|
||||||
|
}
|
||||||
|
|
||||||
|
PAM_MODUTIL_DEF_PRIVS(privs);
|
||||||
|
|
||||||
|
if (pam_modutil_drop_priv(pamh, &privs, pwd)) {
|
||||||
|
return PAM_SESSION_ERR;
|
||||||
|
} else {
|
||||||
|
type = get_update_status(pamh);
|
||||||
|
if (pam_modutil_regain_priv(pamh, &privs)) {
|
||||||
|
return PAM_SESSION_ERR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (type != 0) {
|
||||||
|
retval = report_update(pamh, type);
|
||||||
|
type = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef PAM_STATIC
|
||||||
|
|
||||||
|
/* static module data */
|
||||||
|
|
||||||
|
struct pam_module _pam_update_modstruct = {
|
||||||
|
"pam_update",
|
||||||
|
pam_sm_authenticate,
|
||||||
|
pam_sm_setcred,
|
||||||
|
NULL,
|
||||||
|
pam_sm_open_session,
|
||||||
|
pam_sm_close_session,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* end of module definition */
|
Loading…
Reference in new issue