diff options
| -rw-r--r-- | server/krb5_plugin/sssd_krb5_locator_plugin.c | 91 |
1 files changed, 55 insertions, 36 deletions
diff --git a/server/krb5_plugin/sssd_krb5_locator_plugin.c b/server/krb5_plugin/sssd_krb5_locator_plugin.c index 82ab8e91..7ccdb3fe 100644 --- a/server/krb5_plugin/sssd_krb5_locator_plugin.c +++ b/server/krb5_plugin/sssd_krb5_locator_plugin.c @@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ - +#define _GNU_SOURCE #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> @@ -33,11 +33,40 @@ #include "providers/krb5/krb5_auth.h" +#define SSSD_KRB5_LOCATOR_DEBUG "SSSD_KRB5_LOCATOR_DEBUG" +#define DEBUG_KEY "[sssd_krb5_locator] " +#define DEBUG(body) do { \ + if (ctx->debug) { \ + debug_fn body; \ + } \ +} while(0); + struct sssd_ctx { char *sssd_realm; struct addrinfo *sssd_kdc_addrinfo; + bool debug; }; +void debug_fn(const char *format, ...) +{ + va_list ap; + char *s = NULL; + int ret; + + va_start(ap, format); + + ret = vasprintf(&s, format, ap); + if (ret < 0) { + /* ENOMEM */ + return; + } + + va_end(ap); + + fprintf(stderr, DEBUG_KEY "%s", s); + free(s); +} + krb5_error_code sssd_krb5_locator_init(krb5_context context, void **private_data) { @@ -45,14 +74,17 @@ krb5_error_code sssd_krb5_locator_init(krb5_context context, const char *dummy; int ret; - -#ifdef KRB5_PLUGIN_DEBUG - fprintf(stderr,"sssd_krb5_locator_init called\n"); -#endif - ctx = calloc(1,sizeof(struct sssd_ctx)); if (ctx == NULL) return ENOMEM; + dummy = getenv(SSSD_KRB5_LOCATOR_DEBUG); + if (dummy == NULL) { + ctx->debug = false; + } else { + ctx->debug = true; + DEBUG(("sssd_krb5_locator_init called\n")); + } + dummy = getenv(SSSD_KRB5_REALM); if (dummy == NULL) goto failed; ctx->sssd_realm = strdup(dummy); @@ -63,14 +95,10 @@ krb5_error_code sssd_krb5_locator_init(krb5_context context, ret = getaddrinfo(dummy, "kerberos", NULL, &ctx->sssd_kdc_addrinfo); if (ret != 0) { -#ifdef KRB5_PLUGIN_DEBUG - fprintf(stderr,"getaddrinfo failed [%d][%s].\n", ret, - gai_strerror(ret)); + DEBUG(("getaddrinfo failed [%d][%s].\n", ret, gai_strerror(ret))); if (ret == EAI_SYSTEM) { - fprintf(stderr,"getaddrinfo failed [%d][%s].\n", errno, - strerror(errno)); + DEBUG(("getaddrinfo failed [%d][%s].\n", errno, strerror(errno))); } -#endif goto failed; } @@ -91,13 +119,11 @@ void sssd_krb5_locator_close(void *private_data) { struct sssd_ctx *ctx; -#ifdef KRB5_PLUGIN_DEBUG - fprintf(stderr,"sssd_krb5_locator_close called\n"); -#endif - if (private_data == NULL) return; ctx = (struct sssd_ctx *) private_data; + DEBUG(("sssd_krb5_locator_close called\n")); + freeaddrinfo(ctx->sssd_kdc_addrinfo); free(ctx->sssd_realm); free(ctx); @@ -122,11 +148,9 @@ krb5_error_code sssd_krb5_locator_lookup(void *private_data, if (private_data == NULL) return KRB5_PLUGIN_NO_HANDLE; ctx = (struct sssd_ctx *) private_data; -#ifdef KRB5_PLUGIN_DEBUG - fprintf(stderr,"sssd_realm[%s] requested realm[%s] family[%d] " - "socktype[%d] locate_service[%d]\n", - ctx->sssd_realm, realm, family, socktype, svc); -#endif + DEBUG(("sssd_realm[%s] requested realm[%s] family[%d] socktype[%d] " + "locate_service[%d]\n", ctx->sssd_realm, realm, family, socktype, + svc)); switch (svc) { case locate_service_kdc: @@ -161,33 +185,28 @@ krb5_error_code sssd_krb5_locator_lookup(void *private_data, return KRB5_PLUGIN_NO_HANDLE; for (ai = ctx->sssd_kdc_addrinfo; ai != NULL; ai = ai->ai_next) { -#ifdef KRB5_PLUGIN_DEBUG - ret = getnameinfo(ai->ai_addr, ai->ai_addrlen, hostip, NI_MAXHOST, NULL, - 0, NI_NUMERICHOST); + ret = getnameinfo(ai->ai_addr, ai->ai_addrlen, hostip, NI_MAXHOST, + NULL, 0, NI_NUMERICHOST); if (ret != 0) { - fprintf(stderr,"getnameinfo failed [%d][%s].\n", - ret, gai_strerror(ret)); + DEBUG(("getnameinfo failed [%d][%s].\n", ret, gai_strerror(ret))); if (ret == EAI_SYSTEM) { - fprintf(stderr,"getnameinfo failed [%d][%s].\n", - errno, strerror(errno)); + DEBUG(("getnameinfo failed [%d][%s].\n", errno, strerror(errno))); } } - fprintf(stderr,"addr[%s] family[%d] socktype[%d] - ", - hostip, ai->ai_family, ai->ai_socktype); -#endif + DEBUG(("addr[%s] family[%d] socktype[%d] - ", hostip, ai->ai_family, + ai->ai_socktype)); + if ((family == AF_UNSPEC || ai->ai_family == family) && ai->ai_socktype == socktype) { ret = cbfunc(cbdata, socktype, ai->ai_addr); -#ifdef KRB5_PLUGIN_DEBUG if (ret != 0) { - fprintf(stderr,"\ncbfunc failed\n"); + DEBUG(("\ncbfunc failed\n")); } else { - fprintf(stderr,"used\n"); + DEBUG(("used\n")); } } else { - fprintf(stderr," NOT used\n"); -#endif + DEBUG((" NOT used\n")); } } |