s3:net: Refactor net_ads_printer_info(), allocate a talloc context
authorSamuel Cabrero <scabrero@samba.org>
Thu, 26 May 2022 10:29:14 +0000 (12:29 +0200)
committerJeremy Allison <jra@samba.org>
Mon, 27 Jun 2022 15:50:29 +0000 (15:50 +0000)
ADS_STRUCT will be allocated in the talloc context.

Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
source3/utils/net_ads.c

index 735fbc8ec00b0622be9c7f81bd727c52d21cf960..b5ba260e60b77a4d663ad3c02b8d17590ffaaed2 100644 (file)
@@ -2177,12 +2177,17 @@ out:
        return ret;
 }
 
-static int net_ads_printer_info(struct net_context *c, int argc, const char **argv)
+static int net_ads_printer_info(struct net_context *c,
+                               int argc,
+                               const char **argv)
 {
-       ADS_STRUCT *ads;
-       ADS_STATUS rc;
-       const char *servername, *printername;
+       TALLOC_CTX *tmp_ctx = talloc_stackframe();
+       ADS_STRUCT *ads = NULL;
+       ADS_STATUS status;
+       const char *servername = NULL;
+       const char *printername = NULL;
        LDAPMessage *res = NULL;
+       int ret = -1;
 
        if (c->display_usage) {
                d_printf("%s\n%s",
@@ -2191,11 +2196,13 @@ static int net_ads_printer_info(struct net_context *c, int argc, const char **ar
                           "  Display printer info from AD\n"
                           "    printername\tPrinter name or wildcard\n"
                           "    servername\tName of the print server\n"));
+               TALLOC_FREE(tmp_ctx);
                return 0;
        }
 
-       if (!ADS_ERR_OK(ads_startup(c, false, &ads))) {
-               return -1;
+       status = ads_startup(c, false, &ads);
+       if (!ADS_ERR_OK(status)) {
+               goto out;
        }
 
        if (argc > 0) {
@@ -2210,28 +2217,26 @@ static int net_ads_printer_info(struct net_context *c, int argc, const char **ar
                servername = lp_netbios_name();
        }
 
-       rc = ads_find_printer_on_server(ads, &res, printername, servername);
-
-       if (!ADS_ERR_OK(rc)) {
+       status = ads_find_printer_on_server(ads, &res, printername, servername);
+       if (!ADS_ERR_OK(status)) {
                d_fprintf(stderr, _("Server '%s' not found: %s\n"),
-                       servername, ads_errstr(rc));
-               ads_msgfree(ads, res);
-               ads_destroy(&ads);
-               return -1;
+                         servername, ads_errstr(status));
+               goto out;
        }
 
        if (ads_count_replies(ads, res) == 0) {
                d_fprintf(stderr, _("Printer '%s' not found\n"), printername);
-               ads_msgfree(ads, res);
-               ads_destroy(&ads);
-               return -1;
+               goto out;
        }
 
        ads_dump(ads, res);
+
+       ret = 0;
+out:
        ads_msgfree(ads, res);
        ads_destroy(&ads);
-
-       return 0;
+       TALLOC_FREE(tmp_ctx);
+       return ret;
 }
 
 static int net_ads_printer_publish(struct net_context *c, int argc, const char **argv)