commit e6650f2673e00f0608ee145a4384634d1e2a6c8a Author: Mike khiretskiy Date: Mon Jun 16 14:52:12 2014 +0400 Init diff --git a/LICENCE b/LICENCE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/LICENCE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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+ struct dirent *dp; + char filename[NAME_MAX]; + int ret=0; + + dfd = opendir(pdir); + if(!dfd) { + return 0; + } + while( (dp=readdir(dfd)) != NULL) { + // skip internal name + if(strcmp(dp->d_name,".") == 0 || + strcmp(dp->d_name,"..") == 0) + continue; + // found ._cfg files for dispatch-conf + // TODO: начало файла + if(strstr(dp->d_name,"._cfg")) { + ret = 1; + 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; + break; + } + } + } + } + closedir(dfd); + return ret; +} + +static +int has_new_packages() { + 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 */