Fix LF line detection, add MULTIPART_CRLF_LINE, MULTIPART_CRLF_LF_LINES.

This commit is contained in:
ivanr
2007-08-20 15:25:05 +00:00
parent 239fa00957
commit 608f7f2b44
3 changed files with 70 additions and 5 deletions

View File

@@ -172,17 +172,28 @@ static int multipart_parse_content_disposition(modsec_rec *msr, char *c_d_value)
*
*/
static int multipart_process_part_header(modsec_rec *msr, char **error_msg) {
int i, rc;
int i, len, rc;
if (error_msg == NULL) return -1;
*error_msg = NULL;
/* Check for nul bytes. */
for(i = 0; i < (MULTIPART_BUF_SIZE - msr->mpd->bufleft); i++) {
len = MULTIPART_BUF_SIZE - msr->mpd->bufleft;
for(i = 0; i < len; i++) {
if (msr->mpd->buf[i] == '\0') {
*error_msg = apr_psprintf(msr->mp, "Multipart: Nul byte in part headers.");
return -1;
}
}
if (len > 1) {
if (msr->mpd->buf[len - 2] == '\r') {
msr->mpd->flag_lf_line = 1;
} else {
msr->mpd->flag_crlf_line = 1;
}
} else {
msr->mpd->flag_lf_line = 1;
}
/* Is this an empty line? */
@@ -196,9 +207,11 @@ static int multipart_process_part_header(modsec_rec *msr, char **error_msg) {
/* Empty line. */
if (msr->mpd->buf[0] == '\n') {
msr->mpd->flag_lf_line = 1;
}
//if (msr->mpd->buf[0] == '\n') {
// msr->mpd->flag_lf_line = 1;
//} else {
// msr->mpd->flag_crlf_line = 1;
//}
header_value = (char *)apr_table_get(msr->mpd->mpp->headers, "Content-Disposition");
if (header_value == NULL) {
@@ -237,6 +250,9 @@ static int multipart_process_part_header(modsec_rec *msr, char **error_msg) {
msr->mpd->mpp->last_header_name = NULL;
} else {
/* Header line. */
// XXX
if ((msr->mpd->buf[0] == '\t')||(msr->mpd->buf[0] == ' ')) {
char *header_value, *new_value, *data;
@@ -838,6 +854,8 @@ int multipart_process_chunk(modsec_rec *msr, const char *buf,
{
if (*boundary_end == '\n') {
msr->mpd->flag_lf_line = 1;
} else {
msr->mpd->flag_crlf_line = 1;
}
if (multipart_process_boundary(msr, (is_final ? 1 : 0), error_msg) < 0) {