From a5bf38afa217b8e22fe221977959f78a44f15843 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20B=C5=99ezina?= Date: Thu, 2 Nov 2017 15:00:17 +0100 Subject: [PATCH 61/79] sssctl: call dbus instead of pam to refresh HBAC rules MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Related: https://pagure.io/SSSD/sssd/issue/2840 Reviewed-by: Jakub Hrozek Reviewed-by: Fabiano Fidêncio --- src/tools/sssctl/sssctl_access_report.c | 127 +++++++++++++++----------------- 1 file changed, 58 insertions(+), 69 deletions(-) diff --git a/src/tools/sssctl/sssctl_access_report.c b/src/tools/sssctl/sssctl_access_report.c index 11172329817b4dedaca480ab8a4537149853c330..8cf1a8a871b27827c317d658c0f93f34773c4841 100644 --- a/src/tools/sssctl/sssctl_access_report.c +++ b/src/tools/sssctl/sssctl_access_report.c @@ -15,11 +15,11 @@ along with this program. If not, see . */ -#include - #include "util/util.h" #include "tools/common/sss_tools.h" #include "tools/sssctl/sssctl.h" +#include "sbus/sssd_dbus.h" +#include "responder/ifp/ifp_iface.h" /* * We're searching the cache directly.. @@ -27,58 +27,9 @@ #include "providers/ipa/ipa_hbac_private.h" #include "providers/ipa/ipa_rules_common.h" -#ifdef HAVE_SECURITY_PAM_MISC_H -# include -#elif defined(HAVE_SECURITY_OPENPAM_H) -# include -#endif - -#ifdef HAVE_SECURITY_PAM_MISC_H -static struct pam_conv conv = { - misc_conv, - NULL -}; -#elif defined(HAVE_SECURITY_OPENPAM_H) -static struct pam_conv conv = { - openpam_ttyconv, - NULL -}; -#else -# error "Missing text based pam conversation function" -#endif - -#ifndef DEFAULT_SERVICE -#define DEFAULT_SERVICE "system-auth" -#endif /* DEFAULT_SERVICE */ - -#ifndef DEFAULT_USER -#define DEFAULT_USER "admin" -#endif /* DEFAULT_USER */ - typedef errno_t (*sssctl_dom_access_reporter_fn)(struct sss_tool_ctx *tool_ctx, - const char *user, - const char *service, struct sss_domain_info *domain); -static errno_t run_pam_acct(struct sss_tool_ctx *tool_ctx, - const char *user, - const char *service, - struct sss_domain_info *domain) -{ - errno_t ret; - pam_handle_t *pamh; - - ret = pam_start(service, user, &conv, &pamh); - if (ret != PAM_SUCCESS) { - ERROR("pam_start failed: %s\n", pam_strerror(pamh, ret)); - return EIO; - } - - ret = pam_acct_mgmt(pamh, 0); - pam_end(pamh, ret); - return ret; -} - static errno_t get_rdn_value(TALLOC_CTX *mem_ctx, struct sss_domain_info *dom, const char *dn_attr, @@ -315,9 +266,58 @@ static void print_ipa_hbac_rule(struct sss_domain_info *domain, PRINT("\n"); } +static errno_t refresh_hbac_rules(struct sss_tool_ctx *tool_ctx, + struct sss_domain_info *domain) +{ + TALLOC_CTX *tmp_ctx; + sss_sifp_error error; + sss_sifp_ctx *sifp; + DBusMessage *reply; + const char *path; + errno_t ret; + + tmp_ctx = talloc_new(NULL); + if (tmp_ctx == NULL) { + DEBUG(SSSDBG_CRIT_FAILURE, "talloc_new() failed\n"); + return ENOMEM; + } + + path = sbus_opath_compose(tmp_ctx, IFP_PATH_DOMAINS, domain->name); + if (path == NULL) { + printf(_("Out of memory!\n")); + ret = ENOMEM; + goto done; + } + + error = sssctl_sifp_init(tool_ctx, &sifp); + if (error != SSS_SIFP_OK) { + sssctl_sifp_error(sifp, error, "Unable to connect to the InfoPipe"); + ret = EIO; + goto done; + } + + error = sssctl_sifp_send(tmp_ctx, sifp, &reply, path, + IFACE_IFP_DOMAINS_DOMAIN, + IFACE_IFP_DOMAINS_DOMAIN_REFRESHACCESSRULES); + if (error != SSS_SIFP_OK) { + sssctl_sifp_error(sifp, error, "Unable to refresh HBAC rules"); + ret = EIO; + goto done; + } + + ret = sbus_parse_reply(reply); + if (ret != EOK) { + goto done; + } + + ret = EOK; + +done: + talloc_free(tmp_ctx); + return ret; +} + static errno_t sssctl_ipa_access_report(struct sss_tool_ctx *tool_ctx, - const char *user, - const char *service, struct sss_domain_info *domain) { TALLOC_CTX *tmp_ctx = NULL; @@ -338,9 +338,9 @@ static errno_t sssctl_ipa_access_report(struct sss_tool_ctx *tool_ctx, struct ldb_message **msgs = NULL; /* Run the pam account phase to make sure the rules are fetched by SSSD */ - ret = run_pam_acct(tool_ctx, user, service, domain); - if (ret != PAM_SUCCESS && ret != PAM_PERM_DENIED) { - ERROR("Cannot run the PAM account phase, reporting stale rules\n"); + ret = refresh_hbac_rules(tool_ctx, domain); + if (ret != EOK) { + ERROR("Unable to refresh HBAC rules, using cached content\n"); /* Non-fatal */ } @@ -398,19 +398,8 @@ errno_t sssctl_access_report(struct sss_cmdline *cmdline, const char *domname = NULL; sssctl_dom_access_reporter_fn reporter; struct sss_domain_info *dom; - const char *user = DEFAULT_USER; - const char *service = DEFAULT_SERVICE; - /* Parse command line. */ - struct poptOption options[] = { - { "user", 'u', POPT_ARG_STRING, &user, 0, - _("PAM user, default: " DEFAULT_USER), NULL }, - { "service", 's', POPT_ARG_STRING, &service, 0, - _("PAM service, default: " DEFAULT_SERVICE), NULL }, - POPT_TABLEEND - }; - - ret = sss_tool_popt_ex(cmdline, options, SSS_TOOL_OPT_OPTIONAL, + ret = sss_tool_popt_ex(cmdline, NULL, SSS_TOOL_OPT_OPTIONAL, NULL, NULL, "DOMAIN", _("Specify domain name."), &domname, NULL); if (ret != EOK) { @@ -431,5 +420,5 @@ errno_t sssctl_access_report(struct sss_cmdline *cmdline, return ret; } - return reporter(tool_ctx, user, service, dom); + return reporter(tool_ctx, dom); } -- 2.15.1