New upstream version 1.0.31upstream/1.0.31

1 files changed, 28 insertions, 20 deletions

diff --git a/backend/escl/escl_scan.c b/backend/escl/escl_scan.c
index 8f077a1..9fce801 100644
--- a/backend/escl/escl_scan.c
+++ b/backend/escl/escl_scan.c
@@ -43,13 +43,14 @@
 static size_t
 write_callback(void *str, size_t size, size_t nmemb, void *userp)
 {
-    size_t to_write = fwrite(str, size, nmemb, (FILE *)userp);
-
+    capabilities_t *scanner = (capabilities_t *)userp;
+    size_t to_write = fwrite(str, size, nmemb, scanner->tmp);
+    scanner->real_read += to_write;
     return (to_write);
 }
 
 /**
- * \fn SANE_Status escl_scan(capabilities_t *scanner, SANE_String_Const name, char *result)
+ * \fn SANE_Status escl_scan(capabilities_t *scanner, const ESCL_Device *device, char *result)
  * \brief Function that, after recovering the 'new job', scans the image writed in the
  *        temporary file, using curl.
  *        This function is called in the 'sane_start' function and it's the equivalent of
@@ -58,7 +59,7 @@ write_callback(void *str, size_t size, size_t nmemb, void *userp)
  * \return status (if everything is OK, status = SANE_STATUS_GOOD, otherwise, SANE_STATUS_NO_MEM/SANE_STATUS_INVAL)
  */
 SANE_Status
-escl_scan(capabilities_t __sane_unused__ *scanner, SANE_String_Const name, char *result)
+escl_scan(capabilities_t *scanner, const ESCL_Device *device, char *result)
 {
     CURL *curl_handle = NULL;
     const char *scan_jobs = "/eSCL/ScanJobs";
@@ -66,34 +67,41 @@ escl_scan(capabilities_t __sane_unused__ *scanner, SANE_String_Const name, char
     char scan_cmd[PATH_MAX] = { 0 };
     SANE_Status status = SANE_STATUS_GOOD;
 
-    if (name == NULL)
+    if (device == NULL)
         return (SANE_STATUS_NO_MEM);
+    scanner->real_read = 0;
     curl_handle = curl_easy_init();
     if (curl_handle != NULL) {
-        strcpy(scan_cmd, name);
-        strcat(scan_cmd, scan_jobs);
-        strcat(scan_cmd, result);
-        strcat(scan_cmd, scanner_start);
-        curl_easy_setopt(curl_handle, CURLOPT_URL, scan_cmd);
-        DBG( 1, "Scan : %s.\n", scan_cmd);
-	if (strncmp(name, "https", 5) == 0) {
-            DBG( 1, "Ignoring safety certificates, use https\n");
-            curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);
-            curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 0L);
-        }
+        snprintf(scan_cmd, sizeof(scan_cmd), "%s%s%s",
+                 scan_jobs, result, scanner_start);
+        escl_curl_url(curl_handle, device, scan_cmd);
         curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_callback);
+        if (scanner->tmp)
+            fclose(scanner->tmp);
         scanner->tmp = tmpfile();
         if (scanner->tmp != NULL) {
-            curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, scanner->tmp);
-            if (curl_easy_perform(curl_handle) != CURLE_OK) {
+            curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, scanner);
+            CURLcode res = curl_easy_perform(curl_handle);
+            if (res != CURLE_OK) {
+                DBG( 1, "Unable to scan: %s\n", curl_easy_strerror(res));
+                fclose(scanner->tmp);
+                scanner->tmp = NULL;
                 status = SANE_STATUS_INVAL;
+		goto cleanup;
             }
-            else
-                curl_easy_cleanup(curl_handle);
             fseek(scanner->tmp, 0, SEEK_SET);
         }
         else
             status = SANE_STATUS_NO_MEM;
+cleanup:
+        curl_easy_cleanup(curl_handle);
+    }
+    DBG(10, "eSCL scan : [%s]\treal read (%ld)\n", sane_strstatus(status), scanner->real_read);
+    if (scanner->real_read == 0)
+    {
+       fclose(scanner->tmp);
+       scanner->tmp = NULL;
+       return SANE_STATUS_NO_DOCS;
     }
     return (status);
 }