security: use g_strdup instead of VIR_STRDUP

Replace all occurrences of
  if (VIR_STRDUP(a, b) < 0)
     /* effectively dead code */
with:
  a = g_strdup(b);
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

src/security/security_apparmor.c

@@ -452,12 +452,10 @@ AppArmorGenSecurityLabel(virSecurityManagerPtr mgr G_GNUC_UNUSED,
     if ((profile_name = get_profile_name(def)) == NULL)
         return rc;
 
-    if (VIR_STRDUP(secdef->label, profile_name) < 0)
-        goto cleanup;
+    secdef->label = g_strdup(profile_name);
 
     /* set imagelabel the same as label (but we won't use it) */
-    if (VIR_STRDUP(secdef->imagelabel, profile_name) < 0)
-        goto err;
+    secdef->imagelabel = g_strdup(profile_name);
 
     if (!secdef->model)
         secdef->model = g_strdup(SECURITY_APPARMOR_NAME);

src/security/security_dac.c

@@ -111,8 +111,7 @@ virSecurityDACChownListAppend(virSecurityDACChownListPtr list,
     if (VIR_ALLOC(item) < 0)
         return -1;
 
-    if (VIR_STRDUP(tmp, path) < 0)
-        goto cleanup;
+    tmp = g_strdup(path);
 
     item->path = tmp;
     item->src = src;
@@ -2311,11 +2310,8 @@ virSecurityDACGenLabel(virSecurityManagerPtr mgr,
         return rc;
     }
 
-    if (seclabel->relabel && !seclabel->imagelabel &&
-        VIR_STRDUP(seclabel->imagelabel, seclabel->label) < 0) {
-        VIR_FREE(seclabel->label);
-        return rc;
-    }
+    if (seclabel->relabel && !seclabel->imagelabel)
+        seclabel->imagelabel = g_strdup(seclabel->label);
 
     return 0;
 }

src/security/security_selinux.c

@@ -130,8 +130,8 @@ virSecuritySELinuxContextListAppend(virSecuritySELinuxContextListPtr list,
     if (VIR_ALLOC(item) < 0)
         return -1;
 
-    if (VIR_STRDUP(item->path, path) < 0 || VIR_STRDUP(item->tcon, tcon) < 0)
-        goto cleanup;
+    item->path = g_strdup(path);
+    item->tcon = g_strdup(tcon);
 
     item->remember = remember;
     item->restore = restore;
@@ -444,8 +444,7 @@ virSecuritySELinuxMCSGetProcessRange(char **sens,
     if (!(contextRange = context_range_get(ourContext)))
         contextRange = "s0";
 
-    if (VIR_STRDUP(*sens, contextRange) < 0)
-        goto cleanup;
+    *sens = g_strdup(contextRange);
 
     /* Find and blank out the category part (if any) */
     tmp = strchr(*sens, ':');
@@ -622,8 +621,7 @@ virSecuritySELinuxGenNewContext(const char *basecontext,
                              _("Unable to format SELinux context"));
         goto cleanup;
     }
-    if (VIR_STRDUP(ret, str) < 0)
-        goto cleanup;
+    ret = g_strdup(str);
     VIR_DEBUG("Generated context '%s'",  ret);
  cleanup:
     freecon(ourSecContext);
@@ -740,8 +738,7 @@ virSecuritySELinuxQEMUInitialize(virSecurityManagerPtr mgr)
         *ptr = '\0';
         ptr++;
         if (*ptr != '\0') {
-            if (VIR_STRDUP(data->alt_domain_context, ptr) < 0)
-                goto error;
+            data->alt_domain_context = g_strdup(ptr);
             ptr = strchrnul(data->alt_domain_context, '\n');
             if (ptr && *ptr == '\n')
                 *ptr = '\0';
@@ -761,8 +758,7 @@ virSecuritySELinuxQEMUInitialize(virSecurityManagerPtr mgr)
     ptr = strchrnul(data->file_context, '\n');
     if (ptr && *ptr == '\n') {
         *ptr = '\0';
-        if (VIR_STRDUP(data->content_context, ptr + 1) < 0)
-            goto error;
+        data->content_context = g_strdup(ptr + 1);
         ptr = strchrnul(data->content_context, '\n');
         if (ptr && *ptr == '\n')
             *ptr = '\0';
@@ -868,8 +864,7 @@ virSecuritySELinuxGenLabel(virSecurityManagerPtr mgr,
             virReportSystemError(errno, "%s", _("unable to get selinux context range"));
             goto cleanup;
         }
-        if (VIR_STRDUP(mcs, range) < 0)
-            goto cleanup;
+        mcs = g_strdup(range);
         break;
 
     case VIR_DOMAIN_SECLABEL_DYNAMIC:
@@ -919,8 +914,7 @@ virSecuritySELinuxGenLabel(virSecurityManagerPtr mgr,
                                                  &catMax) < 0)
             goto cleanup;
 
-        if (VIR_STRDUP(mcs, sens) < 0)
-            goto cleanup;
+        mcs = g_strdup(sens);
 
         break;
 
@@ -2214,8 +2208,7 @@ virSecuritySELinuxSetHostdevCapsLabel(virSecurityManagerPtr mgr,
                             dev->source.caps.u.storage.block) < 0)
                 return -1;
         } else {
-            if (VIR_STRDUP(path, dev->source.caps.u.storage.block) < 0)
-                return -1;
+            path = g_strdup(dev->source.caps.u.storage.block);
         }
         ret = virSecuritySELinuxSetFilecon(mgr, path, secdef->imagelabel, true);
         VIR_FREE(path);
@@ -2228,8 +2221,7 @@ virSecuritySELinuxSetHostdevCapsLabel(virSecurityManagerPtr mgr,
                             dev->source.caps.u.misc.chardev) < 0)
                 return -1;
         } else {
-            if (VIR_STRDUP(path, dev->source.caps.u.misc.chardev) < 0)
-                return -1;
+            path = g_strdup(dev->source.caps.u.misc.chardev);
         }
         ret = virSecuritySELinuxSetFilecon(mgr, path, secdef->imagelabel, true);
         VIR_FREE(path);
@@ -2449,8 +2441,7 @@ virSecuritySELinuxRestoreHostdevCapsLabel(virSecurityManagerPtr mgr,
                             dev->source.caps.u.storage.block) < 0)
                 return -1;
         } else {
-            if (VIR_STRDUP(path, dev->source.caps.u.storage.block) < 0)
-                return -1;
+            path = g_strdup(dev->source.caps.u.storage.block);
         }
         ret = virSecuritySELinuxRestoreFileLabel(mgr, path, true);
         VIR_FREE(path);
@@ -2463,8 +2454,7 @@ virSecuritySELinuxRestoreHostdevCapsLabel(virSecurityManagerPtr mgr,
                             dev->source.caps.u.misc.chardev) < 0)
                 return -1;
         } else {
-            if (VIR_STRDUP(path, dev->source.caps.u.misc.chardev) < 0)
-                return -1;
+            path = g_strdup(dev->source.caps.u.misc.chardev);
         }
         ret = virSecuritySELinuxRestoreFileLabel(mgr, path, true);
         VIR_FREE(path);
@@ -3335,8 +3325,7 @@ virSecuritySELinuxGenImageLabel(virSecurityManagerPtr mgr,
         }
         range = context_range_get(ctx);
         if (range) {
-            if (VIR_STRDUP(mcs, range) < 0)
-                goto cleanup;
+            mcs = g_strdup(range);
             if (!(label = virSecuritySELinuxGenNewContext(data->file_context,
                                                           mcs, true)))
                 goto cleanup;

src/security/virt-aa-helper.c

@@ -772,8 +772,7 @@ vah_add_path(virBufferPtr buf, const char *path, const char *perms, bool recursi
      * 3. re-combine the realpath with the remaining suffix
      * Note: A totally non existent path is used as-is
      */
-     if (VIR_STRDUP_QUIET(pathdir, path) < 0)
-         goto cleanup;
+     pathdir = g_strdup(path);
      while (!virFileExists(pathdir)) {
          if ((pathtmp = mdir_name(pathdir)) == NULL)
              goto cleanup;
@@ -783,11 +782,9 @@ vah_add_path(virBufferPtr buf, const char *path, const char *perms, bool recursi
 
     if (strlen(pathdir) == 1) {
         /* nothing of the path does exist yet */
-        if (VIR_STRDUP_QUIET(tmp, path) < 0)
-            goto cleanup;
+        tmp = g_strdup(path);
     } else {
-        if (VIR_STRDUP_QUIET(pathtmp, path+strlen(pathdir)) < 0)
-            goto cleanup;
+        pathtmp = g_strdup(path + strlen(pathdir));
         if ((pathreal = realpath(pathdir, NULL)) == NULL) {
             vah_error(NULL, 0, pathdir);
             vah_error(NULL, 0, _("could not find realpath"));
@@ -797,8 +794,7 @@ vah_add_path(virBufferPtr buf, const char *path, const char *perms, bool recursi
             goto cleanup;
     }
 
-    if (VIR_STRDUP_QUIET(perms_new, perms) < 0)
-        goto cleanup;
+    perms_new = g_strdup(perms);
 
     if (strchr(perms_new, 'w') != NULL) {
         readonly = false;
@@ -1367,8 +1363,7 @@ vahParseArgv(vahControl * ctl, int argc, char **argv)
                 break;
             case 'f':
             case 'F':
-                if (VIR_STRDUP_QUIET(ctl->newfile, optarg) < 0)
-                    vah_error(ctl, 1, _("could not allocate memory for disk"));
+                ctl->newfile = g_strdup(optarg);
                 ctl->append = arg == 'F';
                 break;
             case 'h':