fixes applied

6 files changed, 59 insertions, 9 deletions

diff --git a/libetpan/src/data-types/mailstream_helper.c b/libetpan/src/data-types/mailstream_helper.c
index 2f0b9ae..f0ddf51 100644
--- a/libetpan/src/data-types/mailstream_helper.c
+++ b/libetpan/src/data-types/mailstream_helper.c
@@ -95,14 +95,21 @@ char * mailstream_read_line_append(mailstream * stream, MMAPString * line)
       ssize_t r;
       
       r = mailstream_feed_read_buffer(stream);
       if (r == -1)
         return NULL;
 
-      if (r == 0)
-        break;
+      if (r == 0) { 
+          // LR
+          // this avoids a memory access violation later when trying
+          // to remove_trailing_eol from a null string
+          if ( line->len == 0 )
+              return NULL;
+          else
+              break;
+      }
     }
   }
   while (1);
 
   return line->str;
 }
diff --git a/libetpan/src/driver/implementation/pop3/pop3driver.c b/libetpan/src/driver/implementation/pop3/pop3driver.c
index ea69923..6cc6a9a 100644
--- a/libetpan/src/driver/implementation/pop3/pop3driver.c
+++ b/libetpan/src/driver/implementation/pop3/pop3driver.c
@@ -246,12 +246,14 @@ static int pop3driver_parameters(mailsession * session,
 }
 
 static int pop3driver_login(mailsession * session,
                             char * userid, char * password)
 {
   int r;
+  //LR
+  int ret;
   carray * msg_tab;
   struct pop3_session_state_data * data;
 
   data = get_data(session);
 
   switch (data->pop3_auth_type) {
@@ -268,13 +270,17 @@ static int pop3driver_login(mailsession * session,
   default:
   case POP3DRIVER_AUTH_TYPE_PLAIN:
     r = mailpop3_login(get_pop3_session(session), userid, password);
     break;
   }
 
-  mailpop3_list(get_pop3_session(session), &msg_tab);
+  // LR 2 lines
+  ret = pop3driver_pop3_error_to_mail_error(r);
+  if ( ret ==  MAIL_NO_ERROR  )
+      mailpop3_list(get_pop3_session(session), &msg_tab);
+  // LR
 
   return pop3driver_pop3_error_to_mail_error(r);
 }
 
 static int pop3driver_logout(mailsession * session)
 {
diff --git a/libetpan/src/low-level/imap/mailimap_parser.c b/libetpan/src/low-level/imap/mailimap_parser.c
index ab4db67..071891c 100644
--- a/libetpan/src/low-level/imap/mailimap_parser.c
+++ b/libetpan/src/low-level/imap/mailimap_parser.c
@@ -2396,14 +2396,32 @@ mailimap_body_fld_enc_parse(mailstream * fd, MMAPString * buffer,
   else if (r == MAILIMAP_ERROR_PARSE) {
     type = MAILIMAP_BODY_FLD_ENC_OTHER;
 
     r = mailimap_string_parse(fd, buffer, &cur_token, &value, NULL,
                               progr_rate, progr_fun);
     if (r != MAILIMAP_NO_ERROR) {
-      res = r;
-      goto err;
+        // LR start
+        // accept NIL and set type to utf8
+        int ret = r;
+        r = mailimap_char_parse(fd, buffer, &cur_token, 'N');
+        if (r == MAILIMAP_NO_ERROR) {
+            r = mailimap_char_parse(fd, buffer, &cur_token, 'I');
+            if (r == MAILIMAP_NO_ERROR) {
+                r = mailimap_char_parse(fd, buffer, &cur_token, 'L');
+                if (r == MAILIMAP_NO_ERROR) {
+                    type = 4;
+                    ret = MAILIMAP_NO_ERROR;
+                    value = NULL;
+                }
+            }
+        }
+        if ( ret != MAILIMAP_NO_ERROR ) {
+            res = ret;
+            goto err;
+        }
+        // LR end
     }
   }
   else {
     res = r;
     goto err;
   }
diff --git a/libetpan/src/low-level/maildir/maildir.c b/libetpan/src/low-level/maildir/maildir.c
index 98b9f87..e81625d 100644
--- a/libetpan/src/low-level/maildir/maildir.c
+++ b/libetpan/src/low-level/maildir/maildir.c
@@ -107,24 +107,37 @@ static char * maildir_get_new_message_filename(struct maildir * md,
     char * tmpfile)
 {
   char filename[PATH_MAX];
   char basename[PATH_MAX];
   int k;
   time_t now;
+  //LR
+  struct stat f_stat;
   int got_file;
   int r;
   
   got_file = 0;
   now = time(NULL);
   k = 0;
   while (k < MAX_TRY_ALLOC) {
     snprintf(basename, sizeof(basename), "%lu.%u_%u.%s",
         (unsigned long) now, md->mdir_pid, md->mdir_counter, md->mdir_hostname);
     snprintf(filename, sizeof(filename), "%s/tmp/%s",
         md->mdir_path, basename);
-    
+
+    // LR changed following lines
+    if ( stat( filename,  &f_stat   ) == -1 ) {
+        char * dup_filename;
+        
+        dup_filename = strdup(filename);
+        if (dup_filename == NULL) {
+            //unlink(filename);
+            return NULL;
+        }
+        rename (tmpfile,dup_filename );
+#if 0    
     if (link(tmpfile, filename) == 0) {
       got_file = 1;
       unlink(tmpfile);
     }
     else if (errno == EXDEV) {
       unlink(tmpfile);
@@ -144,13 +157,13 @@ static char * maildir_get_new_message_filename(struct maildir * md,
       
       dup_filename = strdup(filename);
       if (dup_filename == NULL) {
         unlink(filename);
         return NULL;
       }
-      
+#endif      
       md->mdir_counter ++;
       
       return dup_filename;
     }
     
     md->mdir_counter ++;
diff --git a/libetpan/src/low-level/mh/mailmh.c b/libetpan/src/low-level/mh/mailmh.c
index 42cab9d..f8c694d 100644
--- a/libetpan/src/low-level/mh/mailmh.c
+++ b/libetpan/src/low-level/mh/mailmh.c
@@ -917,12 +917,15 @@ int mailmh_folder_remove_message(struct mailmh_folder * folder,
     carray_delete_fast(folder->fl_msgs_tab, msg_info->msg_array_index);
 #if 0
     cinthash_remove(folder->fl_msgs_hash, index);
 #endif
     chash_delete(folder->fl_msgs_hash, &key, NULL);
   }
+  // LR memory leak fixed
+  mailmh_msg_info_free( msg_info );
+  free(filename);
 
   return MAILMH_NO_ERROR;
 
  free:
   free(filename);
  err:
diff --git a/libetpan/src/low-level/pop3/mailpop3.c b/libetpan/src/low-level/pop3/mailpop3.c
index 6f77a3a..bca62d5 100644
--- a/libetpan/src/low-level/pop3/mailpop3.c
+++ b/libetpan/src/low-level/pop3/mailpop3.c
@@ -505,14 +505,17 @@ int mailpop3_pass(mailpop3 * f, const char * password)
 
   response = read_line(f);
   if (response == NULL)
     return MAILPOP3_ERROR_STREAM;
   r = parse_response(f, response);
 
-  if (r != RESPONSE_OK)
-    return MAILPOP3_ERROR_BAD_PASSWORD;
+  if (r != RESPONSE_OK) {  
+      // LR
+      fprintf(stderr,"POP3 login error. Response from server:\n%s\n",response );
+      return MAILPOP3_ERROR_BAD_PASSWORD;
+  }
 
   f->pop3_state = POP3_STATE_TRANSACTION;
 
   return MAILPOP3_NO_ERROR;
 }