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Fix problem with HTTP decoding
[yaz-moved-to-github.git]
/
src
/
comstack.c
diff --git
a/src/comstack.c
b/src/comstack.c
index
f52abde
..
eac17f7
100644
(file)
--- a/
src/comstack.c
+++ b/
src/comstack.c
@@
-261,8
+261,8
@@
static int cs_read_chunk(const char *buf, int i, int len)
#if CHUNK_DEBUG
if (i < len-2)
{
#if CHUNK_DEBUG
if (i < len-2)
{
- printf ("\n<<<");
int j;
int j;
+ printf ("\n<<<");
for (j = i; j <= i+3; j++)
printf ("%c", buf[j]);
printf (">>>\n");
for (j = i; j <= i+3; j++)
printf ("%c", buf[j]);
printf (">>>\n");
@@
-331,22
+331,40
@@
static int cs_read_chunk(const char *buf, int i, int len)
static int cs_complete_http(const char *buf, int len, int head_only)
{
/* deal with HTTP request/response */
static int cs_complete_http(const char *buf, int len, int head_only)
{
/* deal with HTTP request/response */
- int i = 2, content_len = 0, chunked = 0;
+ int i, content_len = 0, chunked = 0;
- if (len < 6)
- return 0;
+ /* need at least one line followed by \n or \r .. */
+ for (i = 0; ; i++)
+ if (i == len)
+ return 0; /* incomplete */
+ else if (buf[i] == '\n' || buf[i] == '\r')
+ break;
- /* if dealing with HTTP responses - then default
- content length is unlimited (socket close) */
+ /* check to see if it's a response with content */
if (!head_only && !memcmp(buf, "HTTP/", 5))
if (!head_only && !memcmp(buf, "HTTP/", 5))
- content_len = -1;
-
+ {
+ int j;
+ for (j = 5; j < i; j++)
+ if (buf[j] == ' ')
+ {
+ ++j;
+ if (buf[j] == '1') /* 1XX */
+ ;
+ else if (!memcmp(buf + j, "204", 3))
+ ;
+ else if (!memcmp(buf + j, "304", 3))
+ ;
+ else
+ content_len = -1;
+ break;
+ }
+ }
#if 0
printf("len = %d\n", len);
fwrite (buf, 1, len, stdout);
printf("----------\n");
#endif
#if 0
printf("len = %d\n", len);
fwrite (buf, 1, len, stdout);
printf("----------\n");
#endif
- while (i <= len-2)
+ for (i = 2; i <= len-2; )
{
if (i > 8192)
{
{
if (i > 8192)
{