Metalink: message updates

Print "parsing (...) OK" only when no warnings are generated.  If
no file is found in Metalink, treat it FAILED.

If no digest is provided, print WARNING in parse_metalink().
Also print validating FAILED after download.

These changes make tests 2012 to 2016 pass.

4 files changed, 29 insertions, 15 deletions

diff --git a/src/tool_metalink.c b/src/tool_metalink.c
index 806574133..5491815a3 100644
--- a/src/tool_metalink.c
+++ b/src/tool_metalink.c
@@ -330,7 +330,6 @@ static int check_hash(const char *filename,
   digest_context *dctx;
   int check_ok;
   int fd;
-  fprintf(error, "Metalink: validating (%s)...\n", filename);
   fd = open(filename, O_RDONLY);
   if(fd == -1) {
     fprintf(error, "Metalink: validating (%s) FAILED (%s)\n", filename,
@@ -374,7 +373,11 @@ int metalink_check_hash(struct Configurable *config,
                         const char *filename)
 {
   int rv;
+  fprintf(config->errors, "Metalink: validating (%s)...\n", filename);
   if(mlfile->checksum == NULL) {
+    fprintf(config->errors,
+            "Metalink: validating (%s) FAILED (digest missing)\n",
+            filename);
     return -2;
   }
   rv = check_hash(filename, mlfile->checksum->digest_def,
@@ -474,6 +477,7 @@ int parse_metalink(struct Configurable *config, struct OutStruct *outs,
   metalink_error_t r;
   metalink_t* metalink;
   metalink_file_t **files;
+  bool warnings = FALSE;
 
   /* metlaink_parse_final deletes outs->metalink_parser */
   r = metalink_parse_final(outs->metalink_parser, NULL, 0, &metalink);
@@ -482,17 +486,17 @@ int parse_metalink(struct Configurable *config, struct OutStruct *outs,
     return -1;
   }
   if(metalink->files == NULL) {
-    fprintf(config->errors, "\nMetalink: parsing (%s) WARNING "
+    fprintf(config->errors, "Metalink: parsing (%s) WARNING "
             "(missing or invalid file name)\n",
             metalink_url);
     metalink_delete(metalink);
-    return 0;
+    return -1;
   }
   for(files = metalink->files; *files; ++files) {
     struct getout *url;
     /* Skip an entry which has no resource. */
     if(!(*files)->resources) {
-      fprintf(config->errors, "\nMetalink: parsing (%s) WARNING "
+      fprintf(config->errors, "Metalink: parsing (%s) WARNING "
               "(missing or invalid resource)\n",
               metalink_url, (*files)->name);
       continue;
@@ -517,7 +521,12 @@ int parse_metalink(struct Configurable *config, struct OutStruct *outs,
     if(url) {
       metalinkfile *mlfile;
       mlfile = new_metalinkfile(*files);
-
+      if(!mlfile->checksum) {
+        warnings = TRUE;
+        fprintf(config->errors, "Metalink: parsing (%s) WARNING "
+                "(digest missing)\n",
+                metalink_url);
+      }
       /* Set name as url */
       GetStr(&url->url, mlfile->filename);
 
@@ -534,7 +543,7 @@ int parse_metalink(struct Configurable *config, struct OutStruct *outs,
     }
   }
   metalink_delete(metalink);
-  return 0;
+  return (warnings) ? -2 : 0;
 }
 
 size_t metalink_write_cb(void *buffer, size_t sz, size_t nmemb,
diff --git a/src/tool_metalink.h b/src/tool_metalink.h
index a3d10a22c..52a430ece 100644
--- a/src/tool_metalink.h
+++ b/src/tool_metalink.h
@@ -90,6 +90,16 @@ extern const digest_params SHA256_DIGEST_PARAMS[1];
 int count_next_metalink_resource(metalinkfile *mlfile);
 void clean_metalink(struct Configurable *config);
 
+/*
+ * Performs final parse operation and extracts information from
+ * Metalink and creates metalinkfile structs.
+ *
+ * This function returns 0 if it succeeds without warnings, or one of
+ * the following negative error codes:
+ *
+ * -1: Parsing failed; or no file is found
+ * -2: Parsing succeeded with some warnings.
+ */
 int parse_metalink(struct Configurable *config, struct OutStruct *outs,
                    const char *metalink_url);
 
diff --git a/src/tool_operate.c b/src/tool_operate.c
index 0b828de4b..7c0b8b5fe 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -1621,10 +1621,10 @@ int operate(struct Configurable *config, int argc, argv_item_t argv[])
 
 #ifdef USE_METALINK
         if(!metalink && config->use_metalink && res == CURLE_OK) {
-          if(parse_metalink(config, &outs, this_url) == 0)
-            fprintf(config->errors, "Metalink: parsing (%s) OK\n",
-                    this_url);
-          else
+          int rv = parse_metalink(config, &outs, this_url);
+          if(rv == 0)
+            fprintf(config->errors, "Metalink: parsing (%s) OK\n", this_url);
+          else if(rv == -1)
             fprintf(config->errors, "Metalink: parsing (%s) FAILED\n",
                     this_url);
         }
diff --git a/tests/data/DISABLED b/tests/data/DISABLED
index c15fe769b..f7402e60b 100644
--- a/tests/data/DISABLED
+++ b/tests/data/DISABLED
@@ -5,9 +5,4 @@
 594
 1209
 1211
-2012
-2013
-2014
-2015
-2016
 2017