fastcgi_pass variables support

This commit is contained in:
Igor Sysoev 2008-12-10 14:22:07 +00:00
parent a70d3962bb
commit d56088f4da

View File

@ -19,6 +19,9 @@ typedef struct {
ngx_array_t *params;
ngx_array_t *params_source;
ngx_array_t *catch_stderr;
ngx_array_t *fastcgi_lengths;
ngx_array_t *fastcgi_values;
} ngx_http_fastcgi_loc_conf_t;
@ -103,6 +106,8 @@ typedef struct {
} ngx_http_fastcgi_request_start_t;
static ngx_int_t ngx_http_fastcgi_eval(ngx_http_request_t *r,
ngx_http_fastcgi_loc_conf_t *flcf);
static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
@ -414,14 +419,23 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
if (u == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
u->schema = flcf->upstream.schema;
r->upstream = u;
flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
if (flcf->fastcgi_lengths) {
if (ngx_http_fastcgi_eval(r, flcf) != NGX_OK) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
}
u->schema.len = sizeof("fastcgi://") - 1;
u->schema.data = (u_char *) "fastcgi://";
u->peer.log = r->connection->log;
u->peer.log_error = NGX_ERROR_ERR;
@ -449,8 +463,6 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
u->pipe->input_filter = ngx_http_fastcgi_input_filter;
u->pipe->input_ctx = r;
r->upstream = u;
rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
@ -461,6 +473,44 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
}
static ngx_int_t
ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf)
{
ngx_url_t u;
ngx_memzero(&u, sizeof(ngx_url_t));
if (ngx_http_script_run(r, &u.url, flcf->fastcgi_lengths->elts, 0,
flcf->fastcgi_values->elts)
== NULL)
{
return NGX_ERROR;
}
u.no_resolve = 1;
if (ngx_parse_url(r->pool, &u) != NGX_OK) {
if (u.err) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"%s in upstream \"%V\"", u.err, &u.url);
}
return NGX_ERROR;
}
r->upstream->resolved = ngx_pcalloc(r->pool,
sizeof(ngx_http_upstream_resolved_t));
if (r->upstream->resolved == NULL) {
return NGX_ERROR;
}
r->upstream->resolved->host = u.host;
r->upstream->resolved->port = u.port;
return NGX_OK;
}
static ngx_int_t
ngx_http_fastcgi_create_request(ngx_http_request_t *r)
{
@ -1864,6 +1914,11 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
conf->upstream.schema = prev->upstream.schema;
}
if (conf->fastcgi_lengths == NULL) {
conf->fastcgi_lengths = prev->fastcgi_lengths;
conf->fastcgi_values = prev->fastcgi_values;
}
if (conf->params_source == NULL) {
conf->flushes = prev->flushes;
conf->params_len = prev->params_len;
@ -2044,35 +2099,59 @@ ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
static char *
ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_fastcgi_loc_conf_t *lcf = conf;
ngx_http_fastcgi_loc_conf_t *flcf = conf;
ngx_url_t u;
ngx_str_t *value;
ngx_http_core_loc_conf_t *clcf;
ngx_url_t u;
ngx_str_t *value, *url;
ngx_uint_t n;
ngx_http_core_loc_conf_t *clcf;
ngx_http_script_compile_t sc;
if (lcf->upstream.schema.len) {
if (flcf->upstream.schema.len) {
return "is duplicate";
}
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_http_fastcgi_handler;
flcf->upstream.schema.len = sizeof("fastcgi://") - 1;
flcf->upstream.schema.data = (u_char *) "fastcgi://";
value = cf->args->elts;
url = &value[1];
n = ngx_http_script_variables_count(url);
if (n) {
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = url;
sc.lengths = &flcf->fastcgi_lengths;
sc.values = &flcf->fastcgi_values;
sc.variables = n;
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[1];
u.no_resolve = 1;
lcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
if (lcf->upstream.upstream == NULL) {
flcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0);
if (flcf->upstream.upstream == NULL) {
return NGX_CONF_ERROR;
}
lcf->upstream.schema.len = sizeof("fastcgi://") - 1;
lcf->upstream.schema.data = (u_char *) "fastcgi://";
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_http_fastcgi_handler;
if (clcf->name.data[clcf->name.len - 1] == '/') {
clcf->auto_redirect = 1;
}