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David Gardner pointed out in bug report 770755 that using the FTP command CWD

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with a blank argument is a bad idea. Now skip blanks.
This commit is contained in:
Daniel Stenberg 2003-07-20 00:18:11 +00:00
parent 0049c09fc3
commit 5e133e2dff
1 changed files with 13 additions and 6 deletions
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19
lib/ftp.c
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@ -2135,16 +2135,23 @@ CURLcode Curl_ftp(struct connectdata *conn)
/* parse the URL path into separate path components */
while((slash_pos=strchr(cur_pos, '/'))) {
/* seek out the next path component */
if (0 == slash_pos-cur_pos) /* empty path component, like "x//y" */
ftp->dirs[path_part] = strdup(""); /* empty string */
else
if (slash_pos-cur_pos) {
/* we skip empty path components, like "x//y" since the FTP command CWD
requires a parameter and a non-existant parameter a) doesn't work on
many servers and b) has no effect on the others. */
ftp->dirs[path_part] = curl_unescape(cur_pos,slash_pos-cur_pos);
if (!ftp->dirs[path_part]) { /* run out of memory ... */
failf(data, "no memory");
retcode = CURLE_OUT_OF_MEMORY;
if (!ftp->dirs[path_part]) { /* run out of memory ... */
failf(data, "no memory");
retcode = CURLE_OUT_OF_MEMORY;
}
}
else {
cur_pos = slash_pos + 1; /* jump to the rest of the string */
continue;
}
if(!retcode) {
cur_pos = slash_pos + 1; /* jump to the rest of the string */
if(++path_part >= (CURL_MAX_FTP_DIRDEPTH-1)) {
/* too deep, we need the last entry to be kept NULL at all