[gvfs] Bug 576229 – Doesn't handle files with leading space (upstream)

[Benjamin Otte <otte src gnome org>]

commit fb45c08fac5219b26f278aa452bc26108a0c8f3f
Author: Michal Novotny <michal allpeers com>
Date:   Mon Aug 10 13:44:25 2009 +0200

    Bug 576229 â?? Doesn't handle files with leading space (upstream)
    
    ParseFTPList can't handle regular unix ls -l listing of filenames
    starting with spaces
    
    upstream references:
    http://bugzilla.mozilla.org/show_bug.cgi?id=484684
    http://hg.mozilla.org/mozilla-central/rev/179c6f22d6f2

 daemon/ParseFTPList.c |   65 ++++++++++++++++++++++++++++++++++--------------
 1 files changed, 46 insertions(+), 19 deletions(-)
---
diff --git a/daemon/ParseFTPList.c b/daemon/ParseFTPList.c
index 577840c..9d4c182 100644
--- a/daemon/ParseFTPList.c
+++ b/daemon/ParseFTPList.c
@@ -790,6 +790,12 @@ int ParseFTPList(const char *line, struct list_state *state,
 
         if (*tokens[2] != '<') /* not <DIR> or <JUNCTION> */
         {
+          // try to handle correctly spaces at the beginning of the filename
+          // filesize (token[2]) must end at offset 38
+          if (tokens[2] + toklen[2] - line == 38) {
+            result->fe_fname = &(line[39]);
+            result->fe_fnlen = p - result->fe_fname;
+          }
           result->fe_type = 'f';
           pos = toklen[2];
           while (pos > (sizeof(result->fe_size)-1))
@@ -797,29 +803,40 @@ int ParseFTPList(const char *line, struct list_state *state,
           memcpy( result->fe_size, tokens[2], pos );
           result->fe_size[pos] = '\0';
         }
-        else if ((tokens[2][1]) != 'D') /* not <DIR> */
-        {
-          result->fe_type = '?'; /* unknown until junc for sure */
-          if (result->fe_fnlen > 4)
+        else {
+          // try to handle correctly spaces at the beginning of the filename
+          // token[2] must begin at offset 24, the length is 5 or 10
+          // token[3] must begin at offset 39 or higher
+          if (tokens[2] - line == 24 && (toklen[2] == 5 || toklen[2] == 10) &&
+              tokens[3] - line >= 39) {
+            result->fe_fname = &(line[39]);
+            result->fe_fnlen = p - result->fe_fname;
+          }
+
+          if ((tokens[2][1]) != 'D') /* not <DIR> */
           {
-            p = result->fe_fname;
-            for (pos = result->fe_fnlen - 4; pos > 0; pos--)
+            result->fe_type = '?'; /* unknown until junc for sure */
+            if (result->fe_fnlen > 4)
             {
-              if (p[0] == ' ' && p[3] == ' ' && p[2] == '>' &&
-                  (p[1] == '=' || p[1] == '-'))
+              p = result->fe_fname;
+              for (pos = result->fe_fnlen - 4; pos > 0; pos--)
               {
-                result->fe_type = 'l';
-                result->fe_fnlen = p - result->fe_fname;
-                result->fe_lname = p + 4;
-                result->fe_lnlen = &(line[linelen]) 
-                                   - result->fe_lname;
-                break;
+                if (p[0] == ' ' && p[3] == ' ' && p[2] == '>' &&
+                    (p[1] == '=' || p[1] == '-'))
+                {
+                  result->fe_type = 'l';
+                  result->fe_fnlen = p - result->fe_fname;
+                  result->fe_lname = p + 4;
+                  result->fe_lnlen = &(line[linelen]) 
+                                     - result->fe_lname;
+                  break;
+                }
+                p++;
               }
-              p++;
-            }    
+            }
           }
         }
-      
+
         result->fe_time.tm_mon = atoi(tokens[0]+0);
         if (result->fe_time.tm_mon != 0)
         {
@@ -987,6 +1004,8 @@ int ParseFTPList(const char *line, struct list_state *state,
        * "drwxr-xr-x  2 0  0  512 May 28 22:17 etc"
       */
     
+      gboolean is_old_Hellsoft = FALSE;
+
       if (numtoks >= 6)
       {
         /* there are two perm formats (Hellsoft/NetWare and *IX strmode(3)).
@@ -1012,6 +1031,8 @@ int ParseFTPList(const char *line, struct list_state *state,
             {
               /* rest is FMA[S] or AFM[S] */
               lstyle = 'U'; /* very likely one of the NetWare servers */
+              if (toklen[0] == 10)
+                is_old_Hellsoft = TRUE;
             }
           }
         }
@@ -1160,7 +1181,13 @@ int ParseFTPList(const char *line, struct list_state *state,
        
         } /* time/year */
         
-        result->fe_fname = tokens[tokmarker+4];
+        // there is exacly 1 space between filename and previous token in all
+        // outputs except old Hellsoft
+        if (!is_old_Hellsoft)
+          result->fe_fname = tokens[tokmarker+3] + toklen[tokmarker+3] + 1;
+        else
+          result->fe_fname = tokens[tokmarker+4];
+
         result->fe_fnlen = (&(line[linelen]))
                            - (result->fe_fname);
 
@@ -1171,7 +1198,7 @@ int ParseFTPList(const char *line, struct list_state *state,
           guint32 fe_size = atoi(result->fe_size);
 
           if (result->fe_fnlen > (fe_size + 4) &&
-              g_strncmp(result->fe_fname + result->fe_fnlen - fe_size - 4 , " -> ", 4) == 0)
+              strncmp(result->fe_fname + result->fe_fnlen - fe_size - 4 , " -> ", 4) == 0)
           {
             result->fe_lname = result->fe_fname + (result->fe_fnlen - fe_size);
             result->fe_lnlen = (&(line[linelen])) - (result->fe_lname);