|
 |
8b0621 |
--- a/modules/proxy/mod_proxy_ftp.c 2020/02/07 17:01:07 1873744
|
|
|
8b0621 |
+++ b/modules/proxy/mod_proxy_ftp.c 2020/02/07 17:04:45 1873745
|
|
|
8b0621 |
@@ -218,7 +218,7 @@
|
|
|
8b0621 |
* (EBCDIC) machines either.
|
|
|
8b0621 |
*/
|
|
|
8b0621 |
static apr_status_t ftp_string_read(conn_rec *c, apr_bucket_brigade *bb,
|
|
|
8b0621 |
- char *buff, apr_size_t bufflen, int *eos)
|
|
|
8b0621 |
+ char *buff, apr_size_t bufflen, int *eos, apr_size_t *outlen)
|
|
|
8b0621 |
{
|
|
|
8b0621 |
apr_bucket *e;
|
|
|
8b0621 |
apr_status_t rv;
|
|
|
8b0621 |
@@ -230,6 +230,7 @@
|
|
|
8b0621 |
/* start with an empty string */
|
|
|
8b0621 |
buff[0] = 0;
|
|
|
8b0621 |
*eos = 0;
|
|
|
8b0621 |
+ *outlen = 0;
|
|
|
8b0621 |
|
|
|
8b0621 |
/* loop through each brigade */
|
|
|
8b0621 |
while (!found) {
|
|
|
8b0621 |
@@ -273,6 +274,7 @@
|
|
|
8b0621 |
if (len > 0) {
|
|
|
8b0621 |
memcpy(pos, response, len);
|
|
|
8b0621 |
pos += len;
|
|
|
8b0621 |
+ *outlen += len;
|
|
|
8b0621 |
}
|
|
|
8b0621 |
}
|
|
|
8b0621 |
apr_bucket_delete(e);
|
|
|
8b0621 |
@@ -385,28 +387,36 @@
|
|
|
8b0621 |
char buff[5];
|
|
|
8b0621 |
char *mb = msgbuf, *me = &msgbuf[msglen];
|
|
|
8b0621 |
apr_status_t rv;
|
|
|
8b0621 |
+ apr_size_t nread;
|
|
|
8b0621 |
+
|
|
|
8b0621 |
int eos;
|
|
|
8b0621 |
|
|
|
8b0621 |
- if (APR_SUCCESS != (rv = ftp_string_read(ftp_ctrl, bb, response, sizeof(response), &eos))) {
|
|
|
8b0621 |
+ if (APR_SUCCESS != (rv = ftp_string_read(ftp_ctrl, bb, response, sizeof(response), &eos, &nread))) {
|
|
|
8b0621 |
return -1;
|
|
|
8b0621 |
}
|
|
|
8b0621 |
/*
|
|
|
8b0621 |
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL, APLOGNO(03233)
|
|
|
8b0621 |
"<%s", response);
|
|
|
8b0621 |
*/
|
|
|
8b0621 |
+ if (nread < 4) {
|
|
|
8b0621 |
+ ap_log_error(APLOG_MARK, APLOG_INFO, 0, NULL, APLOGNO(10229) "Malformed FTP response '%s'", response);
|
|
|
8b0621 |
+ *mb = '\0';
|
|
|
8b0621 |
+ return -1;
|
|
|
8b0621 |
+ }
|
|
|
8b0621 |
+
|
|
|
8b0621 |
if (!apr_isdigit(response[0]) || !apr_isdigit(response[1]) ||
|
|
|
8b0621 |
- !apr_isdigit(response[2]) || (response[3] != ' ' && response[3] != '-'))
|
|
|
8b0621 |
+ !apr_isdigit(response[2]) || (response[3] != ' ' && response[3] != '-'))
|
|
|
8b0621 |
status = 0;
|
|
|
8b0621 |
else
|
|
|
8b0621 |
status = 100 * response[0] + 10 * response[1] + response[2] - 111 * '0';
|
|
|
8b0621 |
|
|
|
8b0621 |
mb = apr_cpystrn(mb, response + 4, me - mb);
|
|
|
8b0621 |
|
|
|
8b0621 |
- if (response[3] == '-') {
|
|
|
8b0621 |
+ if (response[3] == '-') { /* multi-line reply "123-foo\nbar\n123 baz" */
|
|
|
8b0621 |
memcpy(buff, response, 3);
|
|
|
8b0621 |
buff[3] = ' ';
|
|
|
8b0621 |
do {
|
|
|
8b0621 |
- if (APR_SUCCESS != (rv = ftp_string_read(ftp_ctrl, bb, response, sizeof(response), &eos))) {
|
|
|
8b0621 |
+ if (APR_SUCCESS != (rv = ftp_string_read(ftp_ctrl, bb, response, sizeof(response), &eos, &nread))) {
|
|
|
8b0621 |
return -1;
|
|
|
8b0621 |
}
|
|
|
8b0621 |
mb = apr_cpystrn(mb, response + (' ' == response[0] ? 1 : 4), me - mb);
|