rhfastcheck: a new reporter plugin based on Gavin's work

Plugin quickly checks RH support DB for known solutions.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

4 files changed, 302 insertions, 3 deletions

diff --git a/lib/Utils/Makefile.am b/lib/Utils/Makefile.am
index aff324d6..2667b18a 100644
--- a/lib/Utils/Makefile.am
+++ b/lib/Utils/Makefile.am
@@ -45,6 +45,7 @@ libABRTdUtils_la_SOURCES = \
     make_descr.cpp \
     CommLayerInner.h CommLayerInner.cpp \
     abrt_xmlrpc.h abrt_xmlrpc.cpp \
+    abrt_rh_support.h abrt_rh_support.cpp \
     abrt_curl.h abrt_curl.cpp \
     Plugin.h Plugin.cpp \
     Polkit.h Polkit.cpp \
diff --git a/lib/Utils/abrt_curl.cpp b/lib/Utils/abrt_curl.cpp
index f327bd8c..6dc8582f 100644
--- a/lib/Utils/abrt_curl.cpp
+++ b/lib/Utils/abrt_curl.cpp
@@ -69,7 +69,7 @@ save_headers(void *buffer_pv, size_t count, size_t nmemb, void *ptr)
     char *h = xstrndup((char*)buffer_pv, size);
     strchrnul(h, '\r')[0] = '\0';
     strchrnul(h, '\n')[0] = '\0';
-    VERB3 log("save_headers: state:%p header %d: '%s'", state, cnt, h);
+    VERB3 log("save_headers: header %d: '%s'", cnt, h);
     state->headers[cnt] = h;
     state->header_cnt = ++cnt;
     state->headers[cnt] = NULL;
@@ -81,9 +81,9 @@ int
 curl_post(curl_post_state_t* state, const char* url, const char* data)
 {
     CURLcode curl_err;
+    long response_code;
     struct curl_slist *httpheader_list = NULL;
     FILE* body_stream = NULL;
-    long response_code;
     curl_post_state_t localstate;
 
     VERB3 log("curl_post('%s','%s')", url, data);
@@ -95,7 +95,6 @@ curl_post(curl_post_state_t* state, const char* url, const char* data)
     }
 
     state->http_resp_code = response_code = -1;
-    state->curl_error_msg = NULL;
 
     CURL *handle = xcurl_easy_init();
 
@@ -145,6 +144,8 @@ curl_post(curl_post_state_t* state, const char* url, const char* data)
     die_if_curl_error(curl_err);
     state->http_resp_code = response_code;
 
+    VERB3 log("after curl_easy_perform: http code %ld body:'%s'", response_code, state->body);
+
  ret:
     curl_easy_cleanup(handle);
     curl_slist_free_all(httpheader_list);
diff --git a/lib/Utils/abrt_rh_support.cpp b/lib/Utils/abrt_rh_support.cpp
new file mode 100644
index 00000000..75f8d863
--- /dev/null
+++ b/lib/Utils/abrt_rh_support.cpp
@@ -0,0 +1,256 @@
+/*
+    Copyright (C) 2010  ABRT team
+    Copyright (C) 2010  RedHat Inc
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+//#define _GNU_SOURCE
+
+#include <libxml/encoding.h>
+#include <libxml/xmlwriter.h>
+#include <curl/curl.h>
+#include "abrtlib.h"
+#include "abrt_xmlrpc.h"
+#include "ABRTException.h"
+#include "abrt_rh_support.h"
+
+using namespace std;
+
+struct reportfile {
+    xmlTextWriterPtr writer;
+    xmlBufferPtr     buf;
+};
+
+#define die_xml_oom() error_msg_and_die("can't create XML attribute (out of memory?)")
+
+static void
+xxmlTextWriterWriteAttribute(xmlTextWriterPtr writer, const char *name, const char *content)
+{
+    // these bright guys REDEFINED CHAR (!) to unsigned char...
+    if (xmlTextWriterWriteAttribute(writer, (unsigned char*)name, (unsigned char*)content) < 0)
+        die_xml_oom();
+}
+
+static void
+xxmlTextWriterStartElement(xmlTextWriterPtr writer, const char *name)
+{
+    if (xmlTextWriterStartElement(writer, (unsigned char*)name) < 0)
+        die_xml_oom();
+}
+
+static void
+xxmlTextWriterEndElement(xmlTextWriterPtr writer)
+{
+    if (xmlTextWriterEndElement(writer) < 0)
+        die_xml_oom();
+}
+
+//
+// End the reportfile, and prepare it for delivery.
+// No more bindings can be added after this.
+//
+static void
+close_writer(reportfile_t* file)
+{
+    if (!file->writer)
+        return;
+
+    // close off the end of the xml file
+    int rc = xmlTextWriterEndDocument(file->writer);
+    if (rc < 0)
+        die_xml_oom();
+    xmlFreeTextWriter(file->writer);
+    file->writer = NULL;
+}
+
+//
+// This allocates a reportfile_t structure and initializes it.
+//
+reportfile_t*
+new_reportfile(void)
+{
+    // create a new reportfile_t
+    reportfile_t* file = (reportfile_t*)xmalloc(sizeof(*file));
+
+    // set up a libxml 'buffer' and 'writer' to that buffer
+    file->buf = xmlBufferCreate();
+    if (file->buf == NULL)
+        die_xml_oom();
+    file->writer = xmlNewTextWriterMemory(file->buf, /*compression:*/ 0);
+    if (file->writer == NULL)
+        die_xml_oom();
+
+    // start a new xml document:
+    // <report xmlns="http://www.redhat.com/gss/strata">...
+    int rc = xmlTextWriterStartDocument(file->writer, /*version:*/ NULL, /*encoding:*/ NULL, /*standalone:*/ NULL);
+    if (rc < 0)
+        die_xml_oom();
+    xxmlTextWriterStartElement(file->writer, "report");
+    xxmlTextWriterWriteAttribute(file->writer, "xmlns", "http://www.redhat.com/gss/strata");
+
+    return file;
+}
+
+static void
+internal_reportfile_start_binding(reportfile_t* file, const char* name, int isbinary, const char* filename)
+{
+    // <binding name=NAME [fileName=FILENAME] type=text/binary...
+    xxmlTextWriterStartElement(file->writer, "binding");
+    xxmlTextWriterWriteAttribute(file->writer, "name", name);
+    if (filename)
+        xxmlTextWriterWriteAttribute(file->writer, "fileName", filename);
+    if (isbinary)
+        xxmlTextWriterWriteAttribute(file->writer, "type", "binary");
+    else
+        xxmlTextWriterWriteAttribute(file->writer, "type", "text");
+}
+
+//
+// Add a new text binding
+//
+void
+reportfile_add_binding_from_string(reportfile_t* file, const char* name, const char* value)
+{
+    // <binding name=NAME type=text value=VALUE>
+    internal_reportfile_start_binding(file, name, /*isbinary:*/ 0, /*filename:*/ NULL);
+    xxmlTextWriterWriteAttribute(file->writer, "value", value);
+    xxmlTextWriterEndElement(file->writer);
+}
+
+//
+// Add a new binding to a report whose value is represented as a file.
+//
+void
+reportfile_add_binding_from_namedfile(reportfile_t* file,
+                const char* on_disk_filename, /* unused so far */
+                const char* binding_name,
+                const char* recorded_filename,
+                int isbinary)
+{
+    // <binding name=NAME fileName=FILENAME type=text/binary...
+    internal_reportfile_start_binding(file, binding_name, isbinary, recorded_filename);
+    // ... href=content/NAME>
+    string href_name = concat_path_file("content", binding_name);
+    xxmlTextWriterWriteAttribute(file->writer, "href", href_name.c_str());
+}
+
+//
+// Return the contents of the reportfile as a string.
+//
+const char*
+reportfile_as_string(reportfile_t* file)
+{
+    close_writer(file);
+    // unsigned char -> char
+    return (char*)file->buf->content;
+}
+
+void
+reportfile_free(reportfile_t* file)
+{
+    if (!file)
+        return;
+    close_writer(file);
+    xmlBufferFree(file->buf);
+    free(file);
+}
+
+
+char*
+post_signature(const char* baseURL, const char* signature)
+{
+    string URL = concat_path_file(baseURL, "/signatures");
+
+    curl_post_state *state = new_curl_post_state(0
+                + ABRT_CURL_POST_WANT_HEADERS
+                + ABRT_CURL_POST_WANT_BODY
+                + ABRT_CURL_POST_WANT_ERROR_MSG);
+    int http_resp_code = curl_post(state, URL.c_str(), signature);
+
+    char *retval;
+    const char *strata_msg;
+    switch (http_resp_code)
+    {
+    case 200:
+    case 201:
+        if (state->body)
+        {
+            retval = state->body;
+            state->body = NULL;
+            break;
+        }
+        strata_msg = find_header_in_curl_post_state(state, "Strata-Message:");
+        if (strata_msg && strcmp(strata_msg, "CREATED") != 0) {
+            retval = xstrdup(strata_msg);
+            break;
+        }
+        retval = xstrdup("Signature submitted successfully");
+        break;
+
+    default:
+        strata_msg = find_header_in_curl_post_state(state, "Strata-Message:");
+        if (strata_msg)
+        {
+              retval = xasprintf("Error (HTTP response %d): %s",
+                        http_resp_code,
+                        strata_msg);
+              break;
+        }
+        retval = xasprintf("Error (HTTP response %d), body:\n%s", http_resp_code, state->body);
+    }
+
+    free_curl_post_state(state);
+    return retval;
+}
+
+#if 0
+const char*
+create_case(const char* baseURL, const char* description)
+{
+  const char* URL = concat_path_file(baseURL, "/cases");
+  const char* retval;
+
+  response_data_t* response_data = post(URL, description);
+  if (!response_data)
+    return NULL;
+
+  switch (response_data->code) {
+  case 200:
+  case 201:
+    if (response_data->body && strlen(response_data->body) > 0) {
+      retval = response_data->body;
+      response_data->body = NULL;
+    }
+    else
+      retval = ssprintf("Case Created: %s\n", response_data->location);
+    break;
+  default:
+    if (response_data->strata_message)
+      retval = ssprintf("Error: %s (http code %ld)",
+                        response_data->strata_message,
+                        response_data->code );
+    else
+      retval = ssprintf("Error: Response Code: %ld\nBody:\n%s", response_data->code, response_data->body);
+  }
+    free_curl_post_state(state);
+
+  free((void*)response_data->strata_message);
+  free((void*)response_data->body);
+  free((void*)response_data->location);
+  free((void *)response_data);
+  free((void*)URL);
+  return retval;
+}
+#endif
diff --git a/lib/Utils/abrt_rh_support.h b/lib/Utils/abrt_rh_support.h
new file mode 100644
index 00000000..567fd0e9
--- /dev/null
+++ b/lib/Utils/abrt_rh_support.h
@@ -0,0 +1,41 @@
+/*
+    Copyright (C) 2010  ABRT team
+    Copyright (C) 2010  RedHat Inc
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#ifndef ABRT_RH_SUPPORT_H_
+#define ABRT_RH_SUPPORT_H_ 1
+
+typedef struct reportfile reportfile_t;
+
+reportfile_t *new_reportfile(void);
+void reportfile_free(reportfile_t* file);
+
+void reportfile_add_binding_from_string(reportfile_t* file, const char* name, const char* value);
+void reportfile_add_binding_from_namedfile(reportfile_t* file,
+                const char* on_disk_filename, /* unused so far */
+                const char* binding_name,
+                const char* recorded_filename,
+                int isbinary);
+
+const char* reportfile_as_string(reportfile_t* file);
+
+char* post_signature(const char* baseURL, const char* signature);
+#if 0
+char* create_case(const char* baseURL, const char* description);
+#endif
+
+#endif