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* src/ftp-ls.c (ftp_parse_vms_ls): Fix heap-buffer-overflow

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This commit is contained in:
Tim Rühsen 2018-04-21 22:47:17 +02:00
parent b3ff8ce3d5
commit f0d715b264
1 changed files with 4 additions and 4 deletions
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8
src/ftp-ls.c
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@ -753,16 +753,16 @@ ftp_parse_vms_ls (FILE *fp)
what will work in a CWD command.
*/
len = strlen (tok);
if (!c_strncasecmp((tok + (len - 4)), ".DIR", 4))
if (len >= 4 && !c_strncasecmp(tok + (len - 4), ".DIR", 4))
{
*(tok+ (len - 4)) = '\0'; /* Discard ".DIR". */
*(tok + (len - 4)) = '\0'; /* Discard ".DIR". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
DEBUGP (("Directory (nv)\n"));
}
else if (!c_strncasecmp ((tok + (len - 6)), ".DIR;1", 6))
else if (len >= 6 && !c_strncasecmp (tok + len - 6, ".DIR;1", 6))
{
*(tok+ (len - 6)) = '\0'; /* Discard ".DIR;1". */
*(tok + (len - 6)) = '\0'; /* Discard ".DIR;1". */
cur.type = FT_DIRECTORY;
cur.perms = VMS_DEFAULT_PROT_DIR;
DEBUGP (("Directory (v)\n"));