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David Balazic's patch to make the FTP operations "do right" according to

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RFC1738, which means it'll use one CWD for each pathpart.
This commit is contained in:
Daniel Stenberg 2003-04-30 16:59:42 +00:00
parent b4fa2ff995
commit bf2b3dbf3e
1 changed files with 56 additions and 33 deletions
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89
lib/ftp.c
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@ -1967,10 +1967,13 @@ CURLcode ftp_perform(struct connectdata *conn,
return result;
}
/* change directory first! */
if(ftp->dir && ftp->dir[0]) {
if ((result = ftp_cwd(conn, ftp->dir)) != CURLE_OK)
{
int i; /* counter for loop */
for (i=0; ftp->dirs[i]; i++) {
/* RFC 1738 says empty components should be respected too */
if ((result = ftp_cwd(conn, ftp->dirs[i])) != CURLE_OK)
return result;
}
}
/* Requested time of file or time-depended transfer? */
@ -2091,34 +2094,64 @@ CURLcode ftp_perform(struct connectdata *conn,
*/
CURLcode Curl_ftp(struct connectdata *conn)
{
CURLcode retcode;
CURLcode retcode=CURLE_OK;
bool connected=0;
struct SessionHandle *data = conn->data;
struct FTP *ftp;
int dirlength=0; /* 0 forces strlen() */
char *slash_pos; /* position of the first '/' char in curpos */
char *cur_pos=conn->ppath; /* current position in ppath. point at the begin
of next path component */
int path_part=0;/* current path component */
/* the ftp struct is already inited in ftp_connect() */
ftp = conn->proto.ftp;
conn->size = -1; /* make sure this is unknown at this point */
/* We split the path into dir and file parts *before* we URLdecode
it */
ftp->file = strrchr(conn->ppath, '/');
if(ftp->file) {
if(ftp->file != conn->ppath)
dirlength=ftp->file-conn->ppath; /* don't count the traling slash */
/* fixed : initialize ftp->dirs[xxx] to NULL !
is done in Curl_ftp_connect() */
ftp->file++; /* point to the first letter in the file name part or
remain NULL */
}
else {
ftp->file = conn->ppath; /* there's only a file part */
/* 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
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;
}
else {
cur_pos = slash_pos + 1; /* jump to the rest of the string */
if(++path_part >= CURL_MAX_FTP_DIRDEPTH) {
/* too deep */
failf(data, "too deep dir hierarchy");
retcode = CURLE_URL_MALFORMAT;
}
}
if (retcode) {
int i;
for (i=0;i<path_part;i++) { /* free previous parts */
free(ftp->dirs[i]);
ftp->dirs[i]=NULL;
}
return retcode; /* failure */
}
}
ftp->file = cur_pos; /* the rest is the file name */
if(*ftp->file) {
ftp->file = curl_unescape(ftp->file, 0);
if(NULL == ftp->file) {
int i;
for (i=0;i<path_part;i++){
free(ftp->dirs[i]);
ftp->dirs[i]=NULL;
}
failf(data, "no memory");
return CURLE_OUT_OF_MEMORY;
}
@ -2126,20 +2159,7 @@ CURLcode Curl_ftp(struct connectdata *conn)
else
ftp->file=NULL; /* instead of point to a zero byte, we make it a NULL
pointer */
ftp->urlpath = conn->ppath;
if(dirlength) {
ftp->dir = curl_unescape(ftp->urlpath, dirlength);
if(NULL == ftp->dir) {
if(ftp->file)
free(ftp->file);
failf(data, "no memory");
return CURLE_OUT_OF_MEMORY; /* failure */
}
}
else
ftp->dir = NULL;
retcode = ftp_perform(conn, &connected);
if(CURLE_OK == retcode) {
@ -2219,6 +2239,7 @@ CURLcode Curl_ftpsendf(struct connectdata *conn,
CURLcode Curl_ftp_disconnect(struct connectdata *conn)
{
struct FTP *ftp= conn->proto.ftp;
int i;
/* The FTP session may or may not have been allocated/setup at this point! */
if(ftp) {
@ -2228,10 +2249,12 @@ CURLcode Curl_ftp_disconnect(struct connectdata *conn)
free(ftp->cache);
if(ftp->file)
free(ftp->file);
if(ftp->dir)
free(ftp->dir);
for (i=0;ftp->dirs[i];i++){
free(ftp->dirs[i]);
ftp->dirs[i]=NULL;
}
ftp->file = ftp->dir = NULL; /* zero */
ftp->file = NULL; /* zero */
}
return CURLE_OK;
}