static apr_status_t ajp_unmarshal_response(ajp_msg_t *msg,
request_rec *r,
proxy_dir_conf *dconf)
{
apr_uint16_t status;
apr_status_t rc;
const char *ptr;
apr_uint16_t num_headers;
int i;
rc = ajp_msg_get_uint16(msg, &status);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00983)
"ajp_unmarshal_response: Null status");
return rc;
}
r->status = status;
rc = ajp_msg_get_string(msg, &ptr);
if (rc == APR_SUCCESS) {
#if APR_CHARSET_EBCDIC /* copy only if we have to */
ptr = apr_pstrdup(r->pool, ptr);
ap_xlate_proto_from_ascii(ptr, strlen(ptr));
#endif
r->status_line = apr_psprintf(r->pool, "%d %s", status, ptr);
} else {
r->status_line = NULL;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE4, 0, r,
"ajp_unmarshal_response: status = %d", status);
rc = ajp_msg_get_uint16(msg, &num_headers);
if (rc == APR_SUCCESS) {
apr_table_t *save_table;
/* First, tuck away all already existing cookies */
/*
* Could optimize here, but just in case we want to
* also save other headers, keep this logic.
*/
save_table = apr_table_make(r->pool, num_headers + 2);
apr_table_do(addit_dammit, save_table, r->headers_out,
"Set-Cookie", NULL);
r->headers_out = save_table;
} else {
r->headers_out = NULL;
num_headers = 0;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE4, 0, r,
"ajp_unmarshal_response: Number of headers is = %d",
num_headers);
for(i = 0 ; i < (int) num_headers ; i++) {
apr_uint16_t name;
const char *stringname;
const char *value;
rc = ajp_msg_peek_uint16(msg, &name);
if (rc != APR_SUCCESS) {
return rc;
}
if ((name & 0XFF00) == 0XA000) {
ajp_msg_get_uint16(msg, &name);
stringname = long_res_header_for_sc(name);
if (stringname == NULL) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00984)
"ajp_unmarshal_response: "
"No such sc (%08x)",
name);
return AJP_EBAD_HEADER;
}
} else {
name = 0;
rc = ajp_msg_get_string(msg, &stringname);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00985)
"ajp_unmarshal_response: "
"Null header name");
return rc;
}
ap_xlate_proto_from_ascii(stringname, strlen(stringname));
}
rc = ajp_msg_get_string(msg, &value);
if (rc != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(00986)
"ajp_unmarshal_response: "
"Null header value");
return rc;
}
/* Set-Cookie need additional processing */
if (!strcasecmp(stringname, "Set-Cookie")) {
value = ap_proxy_cookie_reverse_map(r, dconf, value);
}
/* Location, Content-Location, URI and Destination need additional
* processing */
else if (!strcasecmp(stringname, "Location")
|| !strcasecmp(stringname, "Content-Location")
|| !strcasecmp(stringname, "URI")
|| !strcasecmp(stringname, "Destination"))
{
value = ap_proxy_location_reverse_map(r, dconf, value);
}
ap_xlate_proto_from_ascii(value, strlen(value));
ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0, r,
"ajp_unmarshal_response: Header[%d] [%s] = [%s]",
i, stringname, value);
apr_table_add(r->headers_out, stringname, value);
/* Content-type needs an additional handling */
if (strcasecmp(stringname, "Content-Type") == 0) {
/* add corresponding filter */
ap_set_content_type(r, apr_pstrdup(r->pool, value));
ap_log_rerror(APLOG_MARK, APLOG_TRACE5, 0, r,
"ajp_unmarshal_response: ap_set_content_type to '%s'", value);
}
}
return APR_SUCCESS;
}
/*
AJPV13_RESPONSE/AJPV14_RESPONSE:=
response_prefix (2)
status (short)
status_msg (short)
num_headers (short)
num_headers*(res_header_name header_value)
*body_chunk
terminator boolean <! -- recycle connection or not -->
req_header_name :=
sc_req_header_name | (string)
res_header_name :=
sc_res_header_name | (string)
header_value :=
(string)
body_chunk :=
length (short)
body length*(var binary)
*/
ngx_int_t
ajp_unmarshal_response(ajp_msg_t *msg,
ngx_http_request_t *r, ngx_http_ajp_loc_conf_t *alcf)
{
int i;
u_char line[1024], *last;
uint16_t status;
uint16_t name;
uint16_t num_headers;
ngx_int_t rc;
ngx_str_t str;
ngx_log_t *log;
ngx_table_elt_t *h;
ngx_http_upstream_t *u;
ngx_http_upstream_header_t *hh;
ngx_http_upstream_main_conf_t *umcf;
log = r->connection->log;
umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
u = r->upstream;
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "ajp_unmarshal_response");
rc = ajp_msg_get_uint16(msg, &status);
if (rc != NGX_OK) {
return rc;
}
u->headers_in.status_n = status;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"ajp_unmarshal_response: status = %d", status);
rc = ajp_msg_get_string(msg, &str);
if (rc == NGX_OK) {
if (str.len > 0) {
last = ngx_snprintf(line, 1024, "%d %V", status, &str);
str.data = line;
str.len = last - line;
u->headers_in.status_line.data = ngx_pstrdup(r->pool, &str);
u->headers_in.status_line.len = str.len;
}
else {
u->headers_in.status_line.data = NULL;
u->headers_in.status_line.len = 0;
}
}
else {
return rc;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"ajp_unmarshal_response: status_line = \"%V\"",
&u->headers_in.status_line);
if (u->state) {
u->state->status = u->headers_in.status_n;
}
num_headers = 0;
rc = ajp_msg_get_uint16(msg, &num_headers);
if (rc != NGX_OK) {
return rc;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"ajp_unmarshal_response: Number of headers is = %d", num_headers);
for(i = 0 ; i < (int) num_headers ; i++) {
rc = ajp_msg_peek_uint16(msg, &name);
if (rc != NGX_OK) {
return rc;
}
/* a header line has been parsed successfully */
h = ngx_list_push(&u->headers_in.headers);
if (h == NULL) {
return NGX_ERROR;
}
if ((name & 0XFF00) == 0XA000) {
ajp_msg_get_uint16(msg, &name);
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"http ajp known header: %08Xd", name);
rc = get_res_header_for_sc(name, h);
if (rc != NGX_OK) {
ngx_log_error(NGX_LOG_ERR, log, 0,
"ajp_unmarshal_response: No such sc (%08Xd)", name);
return NGX_ERROR;
}
} else {
name = 0;
rc = ajp_msg_get_string(msg, &str);
if (rc != NGX_OK) {
if (rc != AJP_EOVERFLOW) {
ngx_log_error(NGX_LOG_ERR, log, 0,
"ajp_unmarshal_response: Null header name");
}
return rc;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
"http ajp unknown header: %V", &str);
rc = get_res_unknown_header_by_str(&str, h, r->pool);
if (rc != NGX_OK) {
return rc;
}
}
rc = ajp_msg_get_string(msg, &h->value);
if (rc != NGX_OK) {
if (rc != AJP_EOVERFLOW) {
ngx_log_error(NGX_LOG_ERR, log, 0,
"ajp_unmarshal_response: Null header value");
}
return rc;
}
hh = ngx_hash_find(&umcf->headers_in_hash, h->hash,
h->lowcase_key, h->key.len);
if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
ngx_log_error(NGX_LOG_ERR, log, 0,
"ajp_unmarshal_response: hh->handler error: \"%V: %V\"",
&h->key, &h->value);
return NGX_ERROR;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, log, 0,
"http ajp header: \"%V: %V\"", &h->key, &h->value);
}
return NGX_OK;
}
