void ngx_http_push_subscriber_cleanup(ngx_http_push_subscriber_cleanup_t *data) {
if(data->subscriber!=NULL) { //still queued up
ngx_http_push_subscriber_t* sb = data->subscriber;
ngx_http_push_subscriber_del_timer(sb);
ngx_queue_remove(&data->subscriber->queue);
ngx_pfree(ngx_http_push_pool, data->subscriber); //was there an error? oh whatever.
}
if (data->rchain != NULL) {
ngx_pfree(data->rpool, data->rchain->buf);
ngx_pfree(data->rpool, data->rchain);
data->rchain=NULL;
}
if(data->buf_use_count != NULL && --(*data->buf_use_count) <= 0) {
ngx_buf_t *buf;
ngx_pfree(ngx_http_push_pool, data->buf_use_count);
buf=data->buf;
if(buf->file) {
ngx_close_file(buf->file->fd);
}
ngx_pfree(ngx_http_push_pool, buf);
}
if(data->channel!=NULL) { //we're expected to decrement the subscriber count
ngx_http_push_store->lock();
data->channel->subscribers--;
ngx_http_push_store->unlock();
}
}
/**
* Function to free a chain buffer.
* This specifically releases a buffer created and populated by ironbee_body_out.
* It is not for general-purpose use with an arbitrary chain, where it would
* likely crash and burn.
*
* @param[in] pool The pool used to allocate buffers being released.
* @param[in] chain The chain buffer to free.
*/
static void free_chain(ngx_pool_t *pool, ngx_chain_t *chain)
{
if (chain) {
free_chain(pool, chain->next);
if (chain->buf->last != chain->buf->pos) {
ngx_pfree(pool, chain->buf->pos);
}
ngx_pfree(pool, chain->buf);
ngx_pfree(pool, chain);
}
}
static ngx_rtmp_sharedobject_prop_t *
ngx_rtmp_sharedobject_request_change(ngx_rtmp_session_t *s,
ngx_rtmp_sharedobject_t *so,
u_char *data, uint32_t len)
{
ngx_rtmp_sharedobject_app_conf_t *soacf;
ngx_rtmp_sharedobject_prop_t *prop;
u_char *name, *value, *p;
uint16_t sz;
soacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_sharedobject_module);
if (soacf == NULL) {
return NULL;
}
/* read property name */
p = (u_char*)&sz;
p[0] = data[1];
p[1] = data[0];
name = ngx_pcalloc(soacf->pool, sizeof(u_char) * sz);
ngx_memcpy(name, data+2, sz);
/* read property value */
value = ngx_pcalloc(soacf->pool, sizeof(u_char) * (len-sz));
ngx_memcpy(value, data+2+sz, (len-sz));
/* Store the property */
prop = ngx_rtmp_sharedobject_search_prop(s, so, name);
if (prop == NULL) {
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"shared-object: set property '%s' in '%s'",
name, so->name);
prop = ngx_pcalloc(soacf->pool, sizeof(ngx_rtmp_sharedobject_prop_t));
prop->name = name;
prop->name_len = sz;
prop->value = value;
prop->value_len = len-sz;
prop->next = so->prop;
so->prop = prop;
}
else {
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"shared-object: update property '%s' in '%s'",
name, so->name);
ngx_pfree(soacf->pool, name);
ngx_pfree(soacf->pool, prop->value);
prop->value = value;
prop->value_len = len-sz;
}
return prop;
}
static void ngx_http_rrd_free_graph_arg(ngx_pool_t* pool, int argc, char** argv) {
int i;
for (i=2;i<argc;i++) {
/* We might try to free static data in case of ?start= but it does
* not come from the pool so it is unlikely to cause any problem
* besides the fact that it is in a section that is probably not even
* writable.
*/
ngx_pfree(pool, argv[i]);
}
if (argc > 0) {
ngx_pfree(pool, argv);
}
}
/*
* Calculate the HMAC-SHA1 digest for a specified message with a defined key.
*
* @parameters: *pool pool for memory allocation;
* *key the hmac key;
* *message the message to digest;
*
* @return NGX_ERROR on error
* NGX_OK on success
*/
static ngx_int_t
ngx_apikey_hamac_sha1_digest( ngx_pool_t *pool, ngx_str_t *key, ngx_str_t *message, ngx_str_t *digest ) {
ngx_str_t hmac_digest = ngx_null_string;
u_char *last = NULL;
hmac_digest.len = EVP_MAX_MD_SIZE;
hmac_digest.data = ngx_pcalloc( pool, EVP_MAX_MD_SIZE );
if ( hmac_digest.data == NULL ) {
ngx_log_error(NGX_LOG_ERR, pool->log, 0, "(%s) failed allocating memory", __func__ );
return NGX_ERROR;
}
/*
HMAC_CTX ctx;
HMAC_Init( &ctx, key->data, sizeof(key->data), EVP_sha1() );
HMAC_Update(&ctx, message->data, sizeof(message->data));
HMAC_Final(&ctx, hmac_digest.data, &hmac_digest.len );
HMAC_cleanup(&ctx);
*/
last = HMAC (EVP_sha1 (),
(const void *)key->data, (int)key->len,
message->data, (int)message->len,
hmac_digest.data, (unsigned int *)&hmac_digest.len );
if ( last == NULL ) {
ngx_pfree( pool, hmac_digest.data );
ngx_log_error(NGX_LOG_ERR, pool->log, 0, "(%s) failed calculating HMAC digest", __func__ );
return NGX_ERROR;
}
digest->len = EVP_MAX_MD_SIZE*2;
digest->data = ngx_pcalloc( pool, digest->len + 1 );
if ( digest->data == NULL ) {
ngx_pfree( pool, hmac_digest.data );
ngx_log_error(NGX_LOG_ERR, pool->log, 0, "(%s) failed allocating memory", __func__ );
return NGX_ERROR;
}
ngx_hex_dump(digest->data, hmac_digest.data, hmac_digest.len);
ngx_pfree( pool, hmac_digest.data );
return NGX_OK;
}
ngx_int_t ngx_http_sticky_misc_text_sha1(ngx_pool_t *pool, struct sockaddr *in, ngx_str_t *digest)
{
ngx_str_t str;
if (ngx_http_sticky_misc_text_raw(pool, in, &str) != NGX_OK) {
return NGX_ERROR;
}
if (ngx_http_sticky_misc_sha1(pool, (void *)str.data, str.len, digest) != NGX_OK) {
ngx_pfree(pool, &str);
return NGX_ERROR;
}
return ngx_pfree(pool, &str);
}
static void
ngx_lcb_close(lcb_io_opt_t io, lcb_socket_t sock)
{
ngx_lcb_cookie_t cookie = io->v.v0.cookie;
ngx_lcb_context_t *ctx = from_socket(sock);
if (ctx->peer->connection != NULL) {
ngx_close_connection(ctx->peer->connection);
ctx->peer->connection = NULL;
}
ngx_pfree(cookie->pool, ctx->peer);
ngx_pfree(cookie->pool, ctx->io_chains);
ngx_pfree(cookie->pool, ctx->io_bufs);
ngx_pfree(cookie->pool, ctx);
}
void naxsi_log_offending(ngx_str_t *name, ngx_str_t *val, ngx_http_request_t *req, ngx_http_rule_t *rule,
enum DUMMY_MATCH_ZONE zone, ngx_int_t target_name) {
ngx_str_t tmp_uri, tmp_val, tmp_name;
ngx_str_t empty=ngx_string("");
//encode uri
tmp_uri.len = req->uri.len + (2 * ngx_escape_uri(NULL, req->uri.data, req->uri.len,
NGX_ESCAPE_ARGS));
tmp_uri.data = ngx_pcalloc(req->pool, tmp_uri.len+1);
if (tmp_uri.data == NULL)
return ;
ngx_escape_uri(tmp_uri.data, req->uri.data, req->uri.len, NGX_ESCAPE_ARGS);
//encode val
if (val->len <= 0)
tmp_val = empty;
else {
tmp_val.len = val->len + (2 * ngx_escape_uri(NULL, val->data, val->len,
NGX_ESCAPE_ARGS));
tmp_val.data = ngx_pcalloc(req->pool, tmp_val.len+1);
if (tmp_val.data == NULL)
return ;
ngx_escape_uri(tmp_val.data, val->data, val->len, NGX_ESCAPE_ARGS);
}
//encode name
if (name->len <= 0)
tmp_name = empty;
else {
tmp_name.len = name->len + (2 * ngx_escape_uri(NULL, name->data, name->len,
NGX_ESCAPE_ARGS));
tmp_name.data = ngx_pcalloc(req->pool, tmp_name.len+1);
if (tmp_name.data == NULL)
return ;
ngx_escape_uri(tmp_name.data, name->data, name->len, NGX_ESCAPE_ARGS);
}
ngx_log_error(NGX_LOG_ERR, req->connection->log, 0,
"NAXSI_EXLOG: ip=%V&server=%V&uri=%V&id=%d&zone=%s%s&var_name=%V&content=%V",
&(req->connection->addr_text), &(req->headers_in.server),
&(tmp_uri), rule->rule_id, dummy_match_zones[zone], target_name?"|NAME":"", &(tmp_name), &(tmp_val));
if (tmp_val.len > 0)
ngx_pfree(req->pool, tmp_val.data);
if (tmp_name.len > 0)
ngx_pfree(req->pool, tmp_name.data);
if (tmp_uri.len > 0)
ngx_pfree(req->pool, tmp_uri.data);
}
static u_char *
ngx_http_drizzle_get_postponed(ngx_http_request_t *r,
ngx_http_upstream_drizzle_peer_data_t *dp, size_t len)
{
u_char *p;
dd("MEM enter");
if (dp->cached.start == NULL) {
goto alloc;
}
if ((size_t) (dp->cached.end - dp->cached.start) < len) {
ngx_pfree(r->pool, dp->cached.start);
goto alloc;
}
return dp->cached.start;
alloc:
p = ngx_palloc(r->pool, len);
if (p == NULL) {
return NULL;
}
dp->cached.start = p;
dp->cached.end = p + len;
return p;
}
ngx_shm_zone_t* ngx_shmap_init(ngx_conf_t *cf, ngx_str_t* name, size_t size, void* module)
{
ngx_shmap_ctx_t* ctx;
ngx_shm_zone_t *zone;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_shmap_ctx_t));
if (ctx == NULL) {
return NULL;
}
zone = ngx_shared_memory_add(cf, name, size, module);
if (zone == NULL) {
ngx_pfree(cf->pool, ctx);
ctx = NULL;
return NULL;
}
ctx->name = *name;
ctx->log = &cf->cycle->new_log;
if (zone->data) {
ctx = zone->data;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"lua_shared_dict \"%V\" is already defined as "
"\"%V\"", name, &ctx->name);
return NULL;
}
zone->init = ngx_shmap_init_zone;
zone->data = ctx;
return zone;
}
static u_char *
ngx_http_rds_json_get_postponed(ngx_http_request_t *r,
ngx_http_rds_json_ctx_t *ctx, size_t len)
{
u_char *p;
dd("MEM enter");
if (ctx->cached.start == NULL) {
goto alloc;
}
if ((size_t) (ctx->cached.end - ctx->cached.start) < len) {
ngx_pfree(r->pool, ctx->cached.start);
goto alloc;
}
return ctx->cached.start;
alloc:
p = ngx_palloc(r->pool, len);
if (p == NULL) {
return NULL;
}
ctx->cached.start = p;
ctx->cached.end = p + len;
return p;
}
static int
ngx_http_lua_ngx_encode_args(lua_State *L) {
ngx_http_request_t *r;
ngx_str_t args;
if (lua_gettop(L) != 1) {
return luaL_error(L, "expecting 1 argument but seen %d",
lua_gettop(L));
}
lua_pushlightuserdata(L, &ngx_http_lua_request_key);
lua_rawget(L, LUA_GLOBALSINDEX);
r = lua_touserdata(L, -1);
lua_pop(L, 1);
luaL_checktype(L, 1, LUA_TTABLE);
ngx_http_lua_process_args_option(r, L, 1, &args);
lua_pushlstring(L, (char *) args.data, args.len);
ngx_pfree(r->pool, args.data);
return 1;
}
static void
ngx_http_groonga_query_logger_fin(grn_ctx *ctx, void *user_data)
{
ngx_http_groonga_query_logger_data_t *data = user_data;
ngx_pfree(data->pool, data);
}
LIBCOUCHBASE_API
int ngx_lcb_connect(lcb_io_opt_t io,
lcb_socket_t sock,
const struct sockaddr *name,
unsigned int namelen)
{
ngx_lcb_cookie_t cookie = io->v.v0.cookie;
ngx_lcb_context_t *ctx = from_socket(sock);
ngx_peer_connection_t *peer = ctx->peer;
size_t len;
peer->sockaddr = (struct sockaddr *)name;
peer->socklen = namelen;
/* FIXME free peer->name later */
peer->name = ngx_pnalloc(cookie->pool, sizeof(ngx_str_t));
if (peer->name == NULL) {
return -1;
}
len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1;
peer->name->data = ngx_pnalloc(cookie->pool, len);
if (peer->name->data == NULL) {
ngx_pfree(cookie->pool, peer->name);
return -1;
}
peer->name->len = ngx_sock_ntop(peer->sockaddr, peer->name->data, len, 1);
return 0;
}
static ngx_int_t
ngx_http_groonga_handler_process_body(ngx_http_request_t *r,
ngx_http_groonga_handler_data_t *data)
{
ngx_int_t rc;
grn_ctx *context;
ngx_buf_t *body;
u_char *body_data;
u_char *body_data_end;
context = &(data->context);
body = r->request_body->bufs->buf;
if (!body) {
ngx_http_groonga_handler_set_content_type(r, "text/plain");
GRN_TEXT_PUTS(context, &(data->body), "must send load data as body");
return NGX_HTTP_BAD_REQUEST;
}
rc = ngx_http_groonga_join_request_body_chain(r,
r->request_body->bufs,
&body_data,
&body_data_end);
if (rc != NGX_OK) {
return rc;
}
rc = ngx_http_groonga_send_lines(context, r, body_data, body_data_end);
ngx_pfree(r->pool, body_data);
return rc;
}
static u_char *
ngx_http_vhost_traffic_status_display_set_server(ngx_http_request_t *r,
ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel,
const char *fmt, u_char *buf,
ngx_http_vhost_traffic_status_loc_conf_t *vtscf)
{
u_char *p;
ngx_str_t key;
ngx_http_vhost_traffic_status_node_t *vtsn;
if (node != sentinel) {
vtsn = (ngx_http_vhost_traffic_status_node_t *) &node->color;
if (vtsn->stat_upstream.type == NGX_HTTP_VHOST_TRAFFIC_STATUS_UPSTREAM_NO) {
key.len = ngx_strlen(vtsn->data) * 6;
key.data = ngx_pcalloc(r->pool, key.len);
if (key.data == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"ngx_pcalloc() failed");
key.len = ngx_strlen(vtsn->data);
key.data = vtsn->data;
p = NULL;
goto just_start;
}
p = key.data;
#if !defined(nginx_version) || nginx_version < 1007009
p = (u_char *) ngx_http_vhost_traffic_status_escape_json(p, vtsn->data, ngx_strlen(vtsn->data));
#else
p = (u_char *) ngx_escape_json(p, vtsn->data, ngx_strlen(vtsn->data));
#endif
just_start:
buf = ngx_sprintf(buf, fmt,
key.data, vtsn->stat_request_counter, vtsn->stat_in_bytes, vtsn->stat_out_bytes,
vtsn->stat_1xx_counter, vtsn->stat_2xx_counter, vtsn->stat_3xx_counter,
vtsn->stat_4xx_counter, vtsn->stat_5xx_counter);
vtscf->stats.stat_request_counter += vtsn->stat_request_counter;
vtscf->stats.stat_in_bytes += vtsn->stat_in_bytes;
vtscf->stats.stat_out_bytes += vtsn->stat_out_bytes;
vtscf->stats.stat_1xx_counter += vtsn->stat_1xx_counter;
vtscf->stats.stat_2xx_counter += vtsn->stat_2xx_counter;
vtscf->stats.stat_3xx_counter += vtsn->stat_3xx_counter;
vtscf->stats.stat_4xx_counter += vtsn->stat_4xx_counter;
vtscf->stats.stat_5xx_counter += vtsn->stat_5xx_counter;
if (p != NULL) {
ngx_pfree(r->pool, key.data);
}
}
buf = ngx_http_vhost_traffic_status_display_set_server(r, node->left, sentinel, fmt, buf, vtscf);
buf = ngx_http_vhost_traffic_status_display_set_server(r, node->right, sentinel, fmt, buf, vtscf);
}
return buf;
}
static void
ngx_lcb_timer_destroy(lcb_io_opt_t io, void *timer)
{
ngx_lcb_cookie_t cookie = io->v.v0.cookie;
ngx_event_t *tm = timer;
ngx_pfree(cookie->pool, tm);
}
static void esi_tag_start_include(ESITag *tag, ESIAttribute *attributes)
{
ngx_int_t rc;
ngx_str_t uri, args;
ngx_http_request_t *sr;
ESIAttribute *attr = attributes;
ngx_http_request_t *request = tag->ctx->request;
ngx_pool_t *pool = request->pool;
ngx_uint_t flags = 0;
ngx_http_post_subrequest_t *psr;
ngx_chain_t *link;
ngx_buf_t *buf;
flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY;
args.len = 0;
args.data = NULL;
// printf( "esi:include\n" );
while( attr ) {
// printf( "\t%s => %s\n", attr->name, attr->value );
if( !ngx_strcmp( attr->name, "src" ) ) {
uri.len = strlen(attr->value)+1;
uri.data = ngx_palloc(pool, uri.len );
ngx_memcpy( uri.data, attr->value, uri.len );
printf( "uri: %s\n", uri.data );
}
attr = attr->next;
}
if( uri.len > 0 ) {
psr = ngx_palloc(pool, sizeof(ngx_http_post_subrequest_t));
if( psr == NULL ) {
return; //return NGX_ERROR;
}
/* attach the handler */
psr->handler = ngx_http_esi_stub_output;
/* allocate a buffer */
buf = ngx_alloc_buf(pool);
if( buf == NULL ) {
return; //return NGX_ERROR;
}
link = ngx_alloc_chain_link(pool);
if( link == NULL ) {
return; //return NGX_ERROR;
}
link->buf = buf;
link->next = NULL;
psr->data = link;
rc = ngx_http_subrequest(request, &uri, &args, &sr, psr, flags);
}
ngx_pfree( pool, uri.data );
}
void ngx_ac_node_free(ngx_http_ac_t *ac, ngx_http_ac_node_t *n)
{
ngx_uint_t i;
for (i = 0; i < ac->set_size; i ++) {
if (n->next[i] != NULL) {
ngx_ac_node_free(ac, n->next[i]);
}
}
ngx_pfree(ac->ctx->pool, n);
}
void
ngx_ssl_free_buffer(ngx_connection_t *c)
{
if (c->ssl->buf && c->ssl->buf->start) {
if (ngx_pfree(c->pool, c->ssl->buf->start) == NGX_OK) {
c->ssl->buf->start = NULL;
}
}
}
static void
ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r,
ngx_http_gzip_ctx_t *ctx)
{
ngx_chain_t *cl;
for (cl = ctx->copied; cl; cl = cl->next)
{
ngx_pfree(r->pool, cl->buf->start);
}
ctx->copied = NULL;
}
ngx_int_t
ngx_http_lua_complex_value(ngx_http_request_t *r, ngx_str_t *subj,
size_t offset, ngx_int_t count, int *cap,
ngx_http_lua_complex_value_t *val, luaL_Buffer *luabuf)
{
size_t len;
u_char *p;
ngx_http_lua_script_code_pt code;
ngx_http_lua_script_len_code_pt lcode;
ngx_http_lua_script_engine_t e;
if (val->lengths == NULL) {
luaL_addlstring(luabuf, (char *) &subj->data[offset], cap[0] - offset);
luaL_addlstring(luabuf, (char *) val->value.data, val->value.len);
return NGX_OK;
}
ngx_memzero(&e, sizeof(ngx_http_lua_script_engine_t));
e.request = r;
e.ncaptures = count * 2;
e.captures = cap;
e.captures_data = subj->data;
e.ip = val->lengths;
len = 0;
while (*(uintptr_t *) e.ip) {
lcode = *(ngx_http_lua_script_len_code_pt *) e.ip;
len += lcode(&e);
}
p = ngx_pnalloc(r->pool, len);
if (p == NULL) {
return NGX_ERROR;
}
e.ip = val->values;
e.pos = p;
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_lua_script_code_pt *) e.ip;
code((ngx_http_lua_script_engine_t *) &e);
}
luaL_addlstring(luabuf, (char *) &subj->data[offset], cap[0] - offset);
luaL_addlstring(luabuf, (char *) p, len);
ngx_pfree(r->pool, p);
return NGX_OK;
}
static int
ngx_http_lua_ngx_req_get_uri_args(lua_State *L) {
ngx_http_request_t *r;
u_char *buf;
u_char *last;
int retval;
int n;
int max;
n = lua_gettop(L);
if (n != 0 && n != 1) {
return luaL_error(L, "expecting 0 or 1 arguments but seen %d", n);
}
if (n == 1) {
max = luaL_checkinteger(L, 1);
lua_pop(L, 1);
} else {
max = NGX_HTTP_LUA_MAX_ARGS;
}
lua_pushlightuserdata(L, &ngx_http_lua_request_key);
lua_rawget(L, LUA_GLOBALSINDEX);
r = lua_touserdata(L, -1);
lua_pop(L, 1);
if (r == NULL) {
return luaL_error(L, "no request object found");
}
ngx_http_lua_check_fake_request(L, r);
lua_createtable(L, 0, 4);
/* we copy r->args over to buf to simplify
* unescaping query arg keys and values */
buf = ngx_palloc(r->pool, r->args.len);
if (buf == NULL) {
return luaL_error(L, "out of memory");
}
ngx_memcpy(buf, r->args.data, r->args.len);
last = buf + r->args.len;
retval = ngx_http_lua_parse_args(r, L, buf, last, max);
ngx_pfree(r->pool, buf);
return retval;
}
static void ngx_http_push_subscriber_cleanup(ngx_http_push_subscriber_cleanup_t *data) {
if(data->subscriber!=NULL) { //still queued up
ngx_queue_remove(&data->subscriber->queue);
ngx_pfree(ngx_http_push_pool, data->subscriber); //was there an error? oh whatever.
}
if(data->channel!=NULL) { //we're expected to decrement the subscriber count
ngx_slab_pool_t *shpool = (ngx_slab_pool_t *) ngx_http_push_shm_zone->shm.addr;
ngx_shmtx_lock(&shpool->mutex);
data->channel->subscribers--;
ngx_shmtx_unlock(&shpool->mutex);
}
}
static void
ngx_http_lua_pcre_free(void *ptr)
{
dd("lua pcre pool is %p", ngx_http_lua_pcre_pool);
if (ngx_http_lua_pcre_pool) {
ngx_pfree(ngx_http_lua_pcre_pool, ptr);
return;
}
fprintf(stderr, "error: lua pcre free failed due to empty pcre pool");
}
void ngx_ac_destroy(ngx_http_ac_t *ac)
{
ngx_pool_t *tp;
if (ac != NULL) {
tp = ac->ctx->pool;
if (ac->root != NULL) {
ngx_ac_node_free(ac, ac->root);
ac->root = NULL;
}
ngx_pfree(tp, ac);
}
}
static ngx_int_t
ngx_rtmp_sharedobject_request_remove(ngx_rtmp_session_t *s,
ngx_rtmp_sharedobject_t *so,
u_char *name, uint32_t len)
{
ngx_rtmp_sharedobject_app_conf_t *soacf;
ngx_rtmp_sharedobject_prop_t *prop, *prev;
u_char *p;
soacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_sharedobject_module);
if (soacf == NULL) {
return NGX_ERROR;
}
for (prev = NULL, prop = so->prop;
prop;
prev = prop, prop = prop->next) {
if (ngx_strncmp(prop->name, name, len) == 0)
break;
}
if (prop != NULL) {
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"shared-object: remove property '%s' in '%s'",
prop->name, so->name);
if (prev == NULL) {
so->prop = prop->next;
}
else {
prev->next = prop->next;
}
ngx_pfree(soacf->pool, prop->name);
ngx_pfree(soacf->pool, prop->value);
ngx_pfree(soacf->pool, prop);
}
return NGX_OK;
}
//allocates message and responds to subscriber
ngx_int_t ngx_http_push_alloc_for_subscriber_response(ngx_pool_t *pool, ngx_int_t shared, ngx_http_push_msg_t *msg, ngx_chain_t **chain, ngx_str_t **content_type, ngx_str_t **etag, time_t *last_modified) {
if(etag != NULL && (*etag = ngx_http_push_store->message_etag(msg, pool))==NULL) {
//oh, nevermind...
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "push module: unable to allocate memory for Etag header");
return NGX_ERROR;
}
if(content_type != NULL && (*content_type= ngx_http_push_store->message_content_type(msg, pool))==NULL) {
//oh, nevermind...
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "push module: unable to allocate memory for Content Type header");
if(pool == NULL) {
ngx_free(*etag);
}
else {
ngx_pfree(pool, *etag);
}
return NGX_ERROR;
}
//preallocate output chain. yes, same one for every waiting subscriber
if(chain != NULL && (*chain = ngx_http_push_create_output_chain(msg->buf, pool, ngx_cycle->log))==NULL) {
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "push module: unable to allocate buffer chain while responding to subscriber request");
if(pool == NULL) {
ngx_free(*etag);
ngx_free(*content_type);
}
else {
ngx_pfree(pool, *etag);
ngx_pfree(pool, *content_type);
}
return NGX_ERROR;
}
if(last_modified != NULL) {
*last_modified = msg->message_time;
}
ngx_http_push_store->unlock();
if(pool!=NULL && shared == 0 && ((*chain)->buf->file!=NULL)) {
//close file when we're done with it
ngx_pool_cleanup_t *cln;
ngx_pool_cleanup_file_t *clnf;
if((cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)))==NULL) {
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "push module: unable to allocate buffer chain pool cleanup while responding to subscriber request");
ngx_pfree(pool, *etag);
ngx_pfree(pool, *content_type);
ngx_pfree(pool, *chain);
return NGX_ERROR;
}
cln->handler = ngx_pool_cleanup_file;
clnf = cln->data;
clnf->fd = (*chain)->buf->file->fd;
clnf->name = (*chain)->buf->file->name.data;
clnf->log = ngx_cycle->log;
}
return NGX_OK;
}
static void
ngx_http_dav_ext_output(ngx_http_request_t *r, ngx_chain_t **ll,
ngx_int_t flags, u_char *data, ngx_uint_t len)
{
ngx_chain_t *cl;
ngx_uint_t len_int;
ngx_buf_t *b, *b_int /* internal buffer */;
if (!len) {
return;
}
if (flags & NGX_HTTP_DAV_EXT_ESCAPE) {
len_int = len + ngx_escape_html(NULL, data, len);
b_int = ngx_create_temp_buf(r->pool, len_int);
b_int->last = (u_char*)ngx_escape_html(b_int->pos, data, len);
len = len_int + ngx_http_dav_ext_escape_html(NULL, b_int->pos, len_int);
b = ngx_create_temp_buf(r->pool, len);
b->last = (u_char*)ngx_http_dav_ext_escape_html(b->pos, b_int->pos, len_int);
ngx_pfree(r->pool, b_int);
} else if (flags & NGX_HTTP_DAV_EXT_COPY) {
b = ngx_create_temp_buf(r->pool, len);
b->last = ngx_cpymem(b->pos, data, len);
} else {
b = ngx_calloc_buf(r->pool);
b->memory = 1;
b->pos = data;
b->start = data;
b->last = b->pos + len;
b->end = b->last;
}
cl = ngx_alloc_chain_link(r->pool);
cl->buf = b;
cl->next = NULL;
if (*ll != NULL) {
cl->next = (*ll)->next;
(*ll)->next = cl;
*ll = cl;
} else {
*ll = cl;
cl->next = cl;
}
}
static void
ngx_http_eval_discard_bufs(ngx_pool_t *pool, ngx_chain_t *in)
{
ngx_chain_t *cl;
for (cl = in; cl; cl = cl->next) {
#if 0
if (cl->buf->temporary && cl->buf->memory
&& ngx_buf_size(cl->buf) > 0) {
ngx_pfree(pool, cl->buf->start);
}
#endif
cl->buf->pos = cl->buf->last;
}
}
