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[core] abstraction to insert/modify response hdrs

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consistent use of abstraction to insert/modify response headers
personal/stbuehler/fix-fdevent
Glenn Strauss 4 years ago
parent 9d3cbaa74c
commit a90526374f
5 changed files with 36 additions and 73 deletions
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1
src/array.h
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@ -37,7 +37,6 @@ typedef struct {
} data_string;
data_string *data_string_init(void);
data_string *data_response_init(void);
typedef struct {
DATA_UNSET;

28
src/data_string.c
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@ -49,25 +49,6 @@ static int data_string_insert_dup(data_unset *dst, data_unset *src) {
return 0;
}
static int data_response_insert_dup(data_unset *dst, data_unset *src) {
data_string *ds_dst = (data_string *)dst;
data_string *ds_src = (data_string *)src;
if (!buffer_is_empty(ds_dst->value)) {
buffer_append_string_len(ds_dst->value, CONST_STR_LEN("\r\n"));
buffer_append_string_buffer(ds_dst->value, ds_dst->key);
buffer_append_string_len(ds_dst->value, CONST_STR_LEN(": "));
buffer_append_string_buffer(ds_dst->value, ds_src->value);
} else {
buffer_copy_buffer(ds_dst->value, ds_src->value);
}
src->free(src);
return 0;
}
static void data_string_print(const data_unset *d, int depth) {
data_string *ds = (data_string *)d;
size_t i, len;
@ -112,12 +93,3 @@ data_string *data_string_init(void) {
return ds;
}
data_string *data_response_init(void) {
data_string *ds;
ds = data_string_init();
ds->insert_dup = data_response_insert_dup;
return ds;
}

24
src/http-header-glue.c
Unescape View File

@ -27,14 +27,18 @@ int response_header_insert(server *srv, connection *con, const char *key, size_t
UNUSED(srv);
if (NULL == (ds = (data_string *)array_get_unused_element(con->response.headers, TYPE_STRING))) {
ds = data_response_init();
}
buffer_copy_string_len(ds->key, key, keylen);
buffer_copy_string_len(ds->value, value, vallen);
if (0 == vallen) return 0;
array_insert_unique(con->response.headers, (data_unset *)ds);
/* if there already is a key by this name append the value */
if (NULL != (ds = (data_string *)array_get_element_klen(con->response.headers, key, keylen))) {
buffer_append_string_len(ds->value, CONST_STR_LEN("\r\n"));
buffer_append_string_len(ds->value, key, keylen);
buffer_append_string_len(ds->value, CONST_STR_LEN(": "));
buffer_append_string_len(ds->value, value, vallen);
return 0;
}
array_set_key_value(con->response.headers, key, keylen, value, vallen);
return 0;
}
@ -1031,13 +1035,7 @@ static int http_response_process_headers(server *srv, connection *con, http_resp
break;
}
ds = (data_string *)
array_get_unused_element(con->response.headers, TYPE_STRING);
if (NULL == ds) ds = data_response_init();
buffer_copy_string_len(ds->key, key, key_len);
buffer_copy_string(ds->value, value);
array_insert_unique(con->response.headers, (data_unset *)ds);
response_header_insert(srv, con, key, key_len, value, strlen(value));
}
/* CGI/1.1 rev 03 - 7.2.1.2 */

31
src/mod_usertrack.c
Unescape View File

@ -4,6 +4,7 @@
#include "log.h"
#include "buffer.h"
#include "rand.h"
#include "response.h"
#include "plugin.h"
@ -182,6 +183,7 @@ static int mod_usertrack_patch_connection(server *srv, connection *con, plugin_d
URIHANDLER_FUNC(mod_usertrack_uri_handler) {
plugin_data *p = p_d;
buffer *cookie;
data_string *ds;
unsigned char h[16];
li_MD5_CTX Md5Ctx;
@ -219,12 +221,9 @@ URIHANDLER_FUNC(mod_usertrack_uri_handler) {
}
/* set a cookie */
if (NULL == (ds = (data_string *)array_get_unused_element(con->response.headers, TYPE_STRING))) {
ds = data_response_init();
}
buffer_copy_string_len(ds->key, CONST_STR_LEN("Set-Cookie"));
buffer_copy_buffer(ds->value, p->conf.cookie_name);
buffer_append_string_len(ds->value, CONST_STR_LEN("="));
cookie = srv->tmp_buf;
buffer_copy_buffer(cookie, p->conf.cookie_name);
buffer_append_string_len(cookie, CONST_STR_LEN("="));
/* taken from mod_auth.c */
@ -241,29 +240,29 @@ URIHANDLER_FUNC(mod_usertrack_uri_handler) {
li_MD5_Final(h, &Md5Ctx);
buffer_append_string_encoded_hex_lc(ds->value, (char *)h, 16);
buffer_append_string_encoded_hex_lc(cookie, (char *)h, 16);
/* usertrack.cookie-attrs, if set, replaces all other attrs */
if (!buffer_string_is_empty(p->conf.cookie_attrs)) {
buffer_append_string_buffer(ds->value, p->conf.cookie_attrs);
array_insert_unique(con->response.headers, (data_unset *)ds);
buffer_append_string_buffer(cookie, p->conf.cookie_attrs);
response_header_insert(srv, con, CONST_STR_LEN("Set-Cookie"), CONST_BUF_LEN(cookie));
return HANDLER_GO_ON;
}
buffer_append_string_len(ds->value, CONST_STR_LEN("; Path=/"));
buffer_append_string_len(ds->value, CONST_STR_LEN("; Version=1"));
buffer_append_string_len(cookie, CONST_STR_LEN("; Path=/"));
buffer_append_string_len(cookie, CONST_STR_LEN("; Version=1"));
if (!buffer_string_is_empty(p->conf.cookie_domain)) {
buffer_append_string_len(ds->value, CONST_STR_LEN("; Domain="));
buffer_append_string_encoded(ds->value, CONST_BUF_LEN(p->conf.cookie_domain), ENCODING_REL_URI);
buffer_append_string_len(cookie, CONST_STR_LEN("; Domain="));
buffer_append_string_encoded(cookie, CONST_BUF_LEN(p->conf.cookie_domain), ENCODING_REL_URI);
}
if (p->conf.cookie_max_age) {
buffer_append_string_len(ds->value, CONST_STR_LEN("; max-age="));
buffer_append_int(ds->value, p->conf.cookie_max_age);
buffer_append_string_len(cookie, CONST_STR_LEN("; max-age="));
buffer_append_int(cookie, p->conf.cookie_max_age);
}
array_insert_unique(con->response.headers, (data_unset *)ds);
response_header_insert(srv, con, CONST_STR_LEN("Set-Cookie"), CONST_BUF_LEN(cookie));
return HANDLER_GO_ON;
}

25
src/mod_wstunnel.c
Unescape View File

@ -759,8 +759,7 @@ static int create_MD5_sum(connection *con) {
static int create_response_ietf_00(handler_ctx *hctx) {
connection *con = hctx->gw.remote_conn;
array * const hdrs = con->response.headers;
data_string *ds;
buffer *value = hctx->srv->tmp_buf;
/* "Origin" header is preferred
* ("Sec-WebSocket-Origin" is from older drafts of websocket spec) */
@ -803,16 +802,13 @@ static int create_response_ietf_00(handler_ctx *hctx) {
CONST_BUF_LEN(origin->value));
#endif
ds = (data_string *)array_get_unused_element(hdrs, TYPE_STRING);
if (NULL == ds) ds = data_string_init();
buffer_copy_string_len(ds->key, CONST_STR_LEN("Sec-WebSocket-Location"));
if (buffer_is_equal_string(con->uri.scheme, CONST_STR_LEN("https")))
buffer_copy_string_len(ds->value, CONST_STR_LEN("wss://"));
buffer_copy_string_len(value, CONST_STR_LEN("wss://"));
else
buffer_copy_string_len(ds->value, CONST_STR_LEN("ws://"));
buffer_append_string_buffer(ds->value, con->request.http_host);
buffer_append_string_buffer(ds->value, con->uri.path);
array_insert_unique(hdrs, (data_unset *)ds);
buffer_copy_string_len(value, CONST_STR_LEN("ws://"));
buffer_append_string_buffer(value, con->request.http_host);
buffer_append_string_buffer(value, con->uri.path);
response_header_insert(hctx->srv, con, CONST_STR_LEN("Sec-WebSocket-Location"), CONST_BUF_LEN(value));
return 0;
}
@ -827,6 +823,7 @@ static int create_response_ietf_00(handler_ctx *hctx) {
static int create_response_rfc_6455(handler_ctx *hctx) {
connection *con = hctx->gw.remote_conn;
buffer *value = hctx->srv->tmp_buf;
array * const hdrs = con->response.headers;
data_string *ds;
SHA_CTX sha;
@ -856,11 +853,9 @@ static int create_response_rfc_6455(handler_ctx *hctx) {
CONST_STR_LEN("upgrade"));
#endif
ds = (data_string *)array_get_unused_element(hdrs, TYPE_STRING);
if (NULL == ds) ds = data_string_init();
buffer_copy_string_len(ds->key, CONST_STR_LEN("Sec-WebSocket-Accept"));
buffer_append_base64_encode(ds->value, sha_digest, SHA_DIGEST_LENGTH, BASE64_STANDARD);
array_insert_unique(hdrs, (data_unset *)ds);
buffer_string_set_length(value, 0);
buffer_append_base64_encode(value, sha_digest, SHA_DIGEST_LENGTH, BASE64_STANDARD);
response_header_insert(hctx->srv, con, CONST_STR_LEN("Sec-WebSocket-Accept"), CONST_BUF_LEN(value));
if (hctx->frame.type == MOD_WEBSOCKET_FRAME_TYPE_BIN)
array_set_key_value(hdrs, CONST_STR_LEN("Sec-WebSocket-Protocol"),

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