Implement resInit for monitor, NSS, PAM, DP and the backends

5 files changed, 91 insertions, 1 deletions

diff --git a/server/monitor/monitor.c b/server/monitor/monitor.c
index 1247842f8..11c35d0fd 100644
--- a/server/monitor/monitor.c
+++ b/server/monitor/monitor.c
@@ -34,6 +34,12 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <fcntl.h>
+
+/* Needed for res_init() */
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
 #include "util/util.h"
 #include "popt.h"
 #include "tevent.h"
@@ -534,12 +540,18 @@ static int monitor_signal_reconf(struct config_file_ctx *file_ctx,
 }
 
 static int service_signal_dns_reload(struct mt_svc *svc);
-int monitor_update_resolv(struct config_file_ctx *file_ctx,
+static int monitor_update_resolv(struct config_file_ctx *file_ctx,
                           const char *filename)
 {
+    int ret;
     struct mt_svc *cur_svc;
     DEBUG(2, ("Resolv.conf has been updated. Reloading.\n"));
 
+    ret = res_init();
+    if(ret != 0) {
+        return EIO;
+    }
+
     /* Signal all services to reload their DNS configuration */
     for(cur_svc = file_ctx->mt_ctx->svc_list; cur_svc; cur_svc = cur_svc->next) {
         service_signal_dns_reload(cur_svc);
diff --git a/server/providers/data_provider.c b/server/providers/data_provider.c
index 677f677fd..4dc9dfaa8 100644
--- a/server/providers/data_provider.c
+++ b/server/providers/data_provider.c
@@ -31,6 +31,11 @@
 #include <errno.h>
 #include <security/pam_modules.h>
 
+/* Needed for res_init() */
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
 #include "popt.h"
 #include "util/util.h"
 #include "confdb/confdb.h"
@@ -83,11 +88,13 @@ static int dp_frontend_destructor(void *ctx);
 static int service_identity(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn);
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn);
 
 struct sbus_method mon_sbus_methods[] = {
     { SERVICE_METHOD_IDENTITY, service_identity },
     { SERVICE_METHOD_PING, service_pong },
     { SERVICE_METHOD_RELOAD, service_reload },
+    { SERVICE_METHOD_RES_INIT, service_res_init },
     { NULL, NULL }
 };
 
@@ -174,6 +181,18 @@ static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn)
     return service_pong(message, sconn);
 }
 
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn)
+{
+    int ret;
+
+    ret = res_init();
+    if(ret != 0) {
+        return EIO;
+    }
+
+    return service_pong(message, sconn);
+}
+
 static int dp_monitor_init(struct dp_ctx *dpctx)
 {
     int ret;
diff --git a/server/providers/data_provider_be.c b/server/providers/data_provider_be.c
index 24254d15f..5cd599467 100644
--- a/server/providers/data_provider_be.c
+++ b/server/providers/data_provider_be.c
@@ -34,6 +34,11 @@
 #include <security/pam_appl.h>
 #include <security/pam_modules.h>
 
+/* Needed for res_init() */
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
 #include "popt.h"
 #include "util/util.h"
 #include "confdb/confdb.h"
@@ -51,10 +56,12 @@
 
 static int service_identity(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn);
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn);
 
 struct sbus_method mon_sbus_methods[] = {
     { SERVICE_METHOD_IDENTITY, service_identity },
     { SERVICE_METHOD_PING, service_pong },
+    { SERVICE_METHOD_RES_INIT, service_res_init },
     { NULL, NULL }
 };
 
@@ -137,6 +144,18 @@ static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn)
     return EOK;
 }
 
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn)
+{
+    int ret;
+
+    ret = res_init();
+    if(ret != 0) {
+        return EIO;
+    }
+
+    return service_pong(message, sconn);
+}
+
 static int be_identity(DBusMessage *message, struct sbus_conn_ctx *sconn)
 {
     dbus_uint16_t version = DATA_PROVIDER_VERSION;
diff --git a/server/responder/nss/nsssrv.c b/server/responder/nss/nsssrv.c
index e04a8c876..9a3d3c453 100644
--- a/server/responder/nss/nsssrv.c
+++ b/server/responder/nss/nsssrv.c
@@ -29,6 +29,12 @@
 #include <string.h>
 #include <sys/time.h>
 #include <errno.h>
+
+/* Needed for res_init() */
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
 #include "popt.h"
 #include "util/util.h"
 #include "responder/nss/nsssrv.h"
@@ -49,11 +55,13 @@
 static int service_identity(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn);
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn);
 
 struct sbus_method nss_sbus_methods[] = {
     {SERVICE_METHOD_IDENTITY, service_identity},
     {SERVICE_METHOD_PING, service_pong},
     {SERVICE_METHOD_RELOAD, service_reload},
+    {SERVICE_METHOD_RES_INIT, service_res_init},
     {NULL, NULL}
 };
 
@@ -118,6 +126,18 @@ static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn)
     return service_pong(message, sconn);
 }
 
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn)
+{
+    int ret;
+
+    ret = res_init();
+    if(ret != 0) {
+        return EIO;
+    }
+
+    return service_pong(message, sconn);
+}
+
 static int nss_get_config(struct nss_ctx *nctx,
                           struct resp_ctx *rctx,
                           struct confdb_ctx *cdb)
diff --git a/server/responder/pam/pamsrv.c b/server/responder/pam/pamsrv.c
index e4ddc4328..ef01e9729 100644
--- a/server/responder/pam/pamsrv.c
+++ b/server/responder/pam/pamsrv.c
@@ -30,6 +30,12 @@
 #include <string.h>
 #include <sys/time.h>
 #include <errno.h>
+
+/* Needed for res_init() */
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
 #include "popt.h"
 #include "util/util.h"
 #include "db/sysdb.h"
@@ -52,11 +58,13 @@
 static int service_identity(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn);
 static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn);
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn);
 
 struct sbus_method sss_sbus_methods[] = {
     {SERVICE_METHOD_IDENTITY, service_identity},
     {SERVICE_METHOD_PING, service_pong},
     {SERVICE_METHOD_RELOAD, service_reload},
+    {SERVICE_METHOD_RES_INIT, service_res_init},
     {NULL, NULL}
 };
 
@@ -108,6 +116,18 @@ static int service_pong(DBusMessage *message, struct sbus_conn_ctx *sconn)
     return EOK;
 }
 
+static int service_res_init(DBusMessage *message, struct sbus_conn_ctx *sconn)
+{
+    int ret;
+
+    ret = res_init();
+    if(ret != 0) {
+        return EIO;
+    }
+
+    return service_pong(message, sconn);
+}
+
 static void pam_shutdown(struct resp_ctx *ctx);
 
 static int service_reload(DBusMessage *message, struct sbus_conn_ctx *sconn) {