/* * Copyright (C) Unbit S.a.s. 2009-2010 * Copyright (C) 2008 Manlio Perillo (manlio.perillo@gmail.com) * Copyright (C) Igor Sysoev */ #include #include #include typedef struct { ngx_http_upstream_conf_t upstream; ngx_array_t *flushes; ngx_array_t *params_len; ngx_array_t *params; ngx_array_t *params_source; ngx_hash_t headers_hash; ngx_uint_t header_params; ngx_array_t *uwsgi_lengths; ngx_array_t *uwsgi_values; #if (NGX_HTTP_CACHE) ngx_http_complex_value_t cache_key; #endif ngx_str_t uwsgi_string; ngx_uint_t modifier1; ngx_uint_t modifier2; } ngx_http_uwsgi_loc_conf_t; static ngx_int_t ngx_http_uwsgi_eval(ngx_http_request_t *r, ngx_http_uwsgi_loc_conf_t *uwcf); static ngx_int_t ngx_http_uwsgi_create_request(ngx_http_request_t *r); static ngx_int_t ngx_http_uwsgi_reinit_request(ngx_http_request_t *r); static ngx_int_t ngx_http_uwsgi_process_status_line(ngx_http_request_t *r); static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r); static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r); static void ngx_http_uwsgi_abort_request(ngx_http_request_t *r); static void ngx_http_uwsgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc); static void *ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf); static char *ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child); static char *ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static char *ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); #if (NGX_HTTP_CACHE) static ngx_int_t ngx_http_uwsgi_create_key(ngx_http_request_t *r); static char *ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static char *ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); #endif static ngx_conf_num_bounds_t ngx_http_uwsgi_modifier_bounds = { ngx_conf_check_num_bounds, 0, 255 }; static ngx_conf_bitmask_t ngx_http_uwsgi_next_upstream_masks[] = { { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, { ngx_null_string, 0 } }; ngx_module_t ngx_http_uwsgi_module; static ngx_command_t ngx_http_uwsgi_commands[] = { { ngx_string("uwsgi_pass"), NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, ngx_http_uwsgi_pass, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, { ngx_string("uwsgi_modifier1"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, modifier1), &ngx_http_uwsgi_modifier_bounds }, { ngx_string("uwsgi_modifier2"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, modifier2), &ngx_http_uwsgi_modifier_bounds }, { ngx_string("uwsgi_store"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_http_uwsgi_store, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, { ngx_string("uwsgi_store_access"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, ngx_conf_set_access_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.store_access), NULL }, { ngx_string("uwsgi_buffering"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.buffering), NULL }, { ngx_string("uwsgi_ignore_client_abort"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_client_abort), NULL }, { ngx_string("uwsgi_bind"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_http_upstream_bind_set_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.local), NULL }, { ngx_string("uwsgi_connect_timeout"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_msec_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.connect_timeout), NULL }, { ngx_string("uwsgi_send_timeout"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_msec_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.send_timeout), NULL }, { ngx_string("uwsgi_buffer_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.buffer_size), NULL }, { ngx_string("uwsgi_pass_request_headers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_headers), NULL }, { ngx_string("uwsgi_pass_request_body"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_body), NULL }, { ngx_string("uwsgi_intercept_errors"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.intercept_errors), NULL }, { ngx_string("uwsgi_read_timeout"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_msec_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.read_timeout), NULL }, { ngx_string("uwsgi_buffers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, ngx_conf_set_bufs_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.bufs), NULL }, { ngx_string("uwsgi_busy_buffers_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.busy_buffers_size_conf), NULL }, #if (NGX_HTTP_CACHE) { ngx_string("uwsgi_cache"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_http_uwsgi_cache, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, { ngx_string("uwsgi_cache_key"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_http_uwsgi_cache_key, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, { ngx_string("uwsgi_cache_path"), NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, ngx_http_file_cache_set_slot, 0, 0, &ngx_http_uwsgi_module }, { ngx_string("uwsgi_cache_bypass"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_http_set_predicate_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_bypass), NULL }, { ngx_string("uwsgi_no_cache"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_http_set_predicate_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.no_cache), NULL }, { ngx_string("uwsgi_cache_valid"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_http_file_cache_valid_set_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_valid), NULL }, { ngx_string("uwsgi_cache_min_uses"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_min_uses), NULL }, { ngx_string("uwsgi_cache_use_stale"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_conf_set_bitmask_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_use_stale), &ngx_http_uwsgi_next_upstream_masks }, { ngx_string("uwsgi_cache_methods"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_conf_set_bitmask_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_methods), &ngx_http_upstream_cache_method_mask }, #endif { ngx_string("uwsgi_temp_path"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, ngx_conf_set_path_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_path), NULL }, { ngx_string("uwsgi_max_temp_file_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.max_temp_file_size_conf), NULL }, { ngx_string("uwsgi_temp_file_write_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_file_write_size_conf), NULL }, { ngx_string("uwsgi_next_upstream"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_conf_set_bitmask_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.next_upstream), &ngx_http_uwsgi_next_upstream_masks }, { ngx_string("uwsgi_param"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, ngx_conf_set_keyval_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, params_source), NULL }, { ngx_string("uwsgi_string"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_str_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, uwsgi_string), NULL }, { ngx_string("uwsgi_pass_header"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_str_array_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_headers), NULL }, { ngx_string("uwsgi_hide_header"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_str_array_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.hide_headers), NULL }, { ngx_string("uwsgi_ignore_headers"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, ngx_conf_set_bitmask_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_headers), &ngx_http_upstream_ignore_headers_masks }, ngx_null_command }; static ngx_http_module_t ngx_http_uwsgi_module_ctx = { NULL, /* preconfiguration */ NULL, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ ngx_http_uwsgi_create_loc_conf, /* create location configuration */ ngx_http_uwsgi_merge_loc_conf /* merge location configuration */ }; ngx_module_t ngx_http_uwsgi_module = { NGX_MODULE_V1, &ngx_http_uwsgi_module_ctx, /* module context */ ngx_http_uwsgi_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; static ngx_str_t ngx_http_uwsgi_hide_headers[] = { ngx_string("X-Accel-Expires"), ngx_string("X-Accel-Redirect"), ngx_string("X-Accel-Limit-Rate"), ngx_string("X-Accel-Buffering"), ngx_string("X-Accel-Charset"), ngx_null_string }; #if (NGX_HTTP_CACHE) static ngx_keyval_t ngx_http_uwsgi_cache_headers[] = { { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") }, { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") }, { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, { ngx_string("HTTP_RANGE"), ngx_string("") }, { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, { ngx_null_string, ngx_null_string } }; #endif static ngx_path_init_t ngx_http_uwsgi_temp_path = { ngx_string(NGX_HTTP_UWSGI_TEMP_PATH), { 1, 2, 0 } }; static ngx_int_t ngx_http_uwsgi_handler(ngx_http_request_t *r) { ngx_int_t rc; ngx_http_status_t *status; ngx_http_upstream_t *u; ngx_http_uwsgi_loc_conf_t *uwcf; if (r->subrequest_in_memory) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, "ngx_http_uwsgi_module does not support " "subrequests in memory"); return NGX_HTTP_INTERNAL_SERVER_ERROR; } if (ngx_http_upstream_create(r) != NGX_OK) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); if (status == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } ngx_http_set_ctx(r, status, ngx_http_uwsgi_module); uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); if (uwcf->uwsgi_lengths) { if (ngx_http_uwsgi_eval(r, uwcf) != NGX_OK) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } } u = r->upstream; ngx_str_set(&u->schema, "uwsgi://"); u->output.tag = (ngx_buf_tag_t) &ngx_http_uwsgi_module; u->conf = &uwcf->upstream; #if (NGX_HTTP_CACHE) u->create_key = ngx_http_uwsgi_create_key; #endif u->create_request = ngx_http_uwsgi_create_request; u->reinit_request = ngx_http_uwsgi_reinit_request; u->process_header = ngx_http_uwsgi_process_status_line; u->abort_request = ngx_http_uwsgi_abort_request; u->finalize_request = ngx_http_uwsgi_finalize_request; u->buffering = uwcf->upstream.buffering; u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); if (u->pipe == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } u->pipe->input_filter = ngx_event_pipe_copy_input_filter; u->pipe->input_ctx = r; rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { return rc; } return NGX_DONE; } static ngx_int_t ngx_http_uwsgi_eval(ngx_http_request_t *r, ngx_http_uwsgi_loc_conf_t * uwcf) { ngx_url_t url; ngx_http_upstream_t *u; ngx_memzero(&url, sizeof(ngx_url_t)); if (ngx_http_script_run(r, &url.url, uwcf->uwsgi_lengths->elts, 0, uwcf->uwsgi_values->elts) == NULL) { return NGX_ERROR; } url.no_resolve = 1; if (ngx_parse_url(r->pool, &url) != NGX_OK) { if (url.err) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s in upstream \"%V\"", url.err, &url.url); } return NGX_ERROR; } u = r->upstream; u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); if (u->resolved == NULL) { return NGX_ERROR; } if (url.addrs && url.addrs[0].sockaddr) { u->resolved->sockaddr = url.addrs[0].sockaddr; u->resolved->socklen = url.addrs[0].socklen; u->resolved->naddrs = 1; u->resolved->host = url.addrs[0].name; } else { u->resolved->host = url.host; u->resolved->port = url.port; u->resolved->no_port = url.no_port; } return NGX_OK; } #if (NGX_HTTP_CACHE) static ngx_int_t ngx_http_uwsgi_create_key(ngx_http_request_t *r) { ngx_str_t *key; ngx_http_uwsgi_loc_conf_t *uwcf; key = ngx_array_push(&r->cache->keys); if (key == NULL) { return NGX_ERROR; } uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); if (ngx_http_complex_value(r, &uwcf->cache_key, key) != NGX_OK) { return NGX_ERROR; } return NGX_OK; } #endif static ngx_int_t ngx_http_uwsgi_create_request(ngx_http_request_t *r) { u_char ch, *lowcase_key; size_t key_len, val_len, len, allocated; ngx_uint_t i, n, hash, header_params; ngx_buf_t *b; ngx_chain_t *cl, *body; ngx_list_part_t *part; ngx_table_elt_t *header, **ignored; ngx_http_script_code_pt code; ngx_http_script_engine_t e, le; ngx_http_uwsgi_loc_conf_t *uwcf; ngx_http_script_len_code_pt lcode; len = 0; header_params = 0; ignored = NULL; uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); if (uwcf->params_len) { ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); ngx_http_script_flush_no_cacheable_variables(r, uwcf->flushes); le.flushed = 1; le.ip = uwcf->params_len->elts; le.request = r; while (*(uintptr_t *) le.ip) { lcode = *(ngx_http_script_len_code_pt *) le.ip; key_len = lcode(&le); for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) { lcode = *(ngx_http_script_len_code_pt *) le.ip; } le.ip += sizeof(uintptr_t); len += 2 + key_len + 2 + val_len; } } if (uwcf->upstream.pass_request_headers) { allocated = 0; lowcase_key = NULL; if (uwcf->header_params) { n = 0; part = &r->headers_in.headers.part; while (part) { n += part->nelts; part = part->next; } ignored = ngx_palloc(r->pool, n * sizeof(void *)); if (ignored == NULL) { return NGX_ERROR; } } part = &r->headers_in.headers.part; header = part->elts; for (i = 0; /* void */ ; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; header = part->elts; i = 0; } if (uwcf->header_params) { if (allocated < header[i].key.len) { allocated = header[i].key.len + 16; lowcase_key = ngx_pnalloc(r->pool, allocated); if (lowcase_key == NULL) { return NGX_ERROR; } } hash = 0; for (n = 0; n < header[i].key.len; n++) { ch = header[i].key.data[n]; if (ch >= 'A' && ch <= 'Z') { ch |= 0x20; } else if (ch == '-') { ch = '_'; } hash = ngx_hash(hash, ch); lowcase_key[n] = ch; } if (ngx_hash_find(&uwcf->headers_hash, hash, lowcase_key, n)) { ignored[header_params++] = &header[i]; continue; } } len += 2 + sizeof("HTTP_") - 1 + header[i].key.len + 2 + header[i].value.len; } } len += uwcf->uwsgi_string.len; #if 0 /* allow custom uwsgi packet */ if (len > 0 && len < 2) { ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0, "uwsgi request is too little: %uz", len); return NGX_ERROR; } #endif b = ngx_create_temp_buf(r->pool, len + 4); if (b == NULL) { return NGX_ERROR; } cl = ngx_alloc_chain_link(r->pool); if (cl == NULL) { return NGX_ERROR; } cl->buf = b; *b->last++ = (u_char) uwcf->modifier1; *b->last++ = (u_char) (len & 0xff); *b->last++ = (u_char) ((len >> 8) & 0xff); *b->last++ = (u_char) uwcf->modifier2; if (uwcf->params_len) { ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); e.ip = uwcf->params->elts; e.pos = b->last; e.request = r; e.flushed = 1; le.ip = uwcf->params_len->elts; while (*(uintptr_t *) le.ip) { lcode = *(ngx_http_script_len_code_pt *) le.ip; key_len = (u_char) lcode (&le); for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { lcode = *(ngx_http_script_len_code_pt *) le.ip; } le.ip += sizeof(uintptr_t); *e.pos++ = (u_char) (key_len & 0xff); *e.pos++ = (u_char) ((key_len >> 8) & 0xff); code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) & e); *e.pos++ = (u_char) (val_len & 0xff); *e.pos++ = (u_char) ((val_len >> 8) & 0xff); while (*(uintptr_t *) e.ip) { code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) & e); } e.ip += sizeof(uintptr_t); ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "uwsgi param: \"%*s: %*s\"", key_len, e.pos - (key_len + 2 + val_len), val_len, e.pos - val_len); } b->last = e.pos; } if (uwcf->upstream.pass_request_headers) { part = &r->headers_in.headers.part; header = part->elts; for (i = 0; /* void */ ; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; header = part->elts; i = 0; } for (n = 0; n < header_params; n++) { if (&header[i] == ignored[n]) { goto next; } } key_len = sizeof("HTTP_") - 1 + header[i].key.len; *b->last++ = (u_char) (key_len & 0xff); *b->last++ = (u_char) ((key_len >> 8) & 0xff); b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); for (n = 0; n < header[i].key.len; n++) { ch = header[i].key.data[n]; if (ch >= 'a' && ch <= 'z') { ch &= ~0x20; } else if (ch == '-') { ch = '_'; } *b->last++ = ch; } val_len = header[i].value.len; *b->last++ = (u_char) (val_len & 0xff); *b->last++ = (u_char) ((val_len >> 8) & 0xff); b->last = ngx_copy(b->last, header[i].value.data, val_len); ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "uwsgi param: \"%*s: %*s\"", key_len, b->last - (key_len + 2 + val_len), val_len, b->last - val_len); next: continue; } } b->last = ngx_copy(b->last, uwcf->uwsgi_string.data, uwcf->uwsgi_string.len); if (uwcf->upstream.pass_request_body) { body = r->upstream->request_bufs; r->upstream->request_bufs = cl; while (body) { b = ngx_alloc_buf(r->pool); if (b == NULL) { return NGX_ERROR; } ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); cl->next = ngx_alloc_chain_link(r->pool); if (cl->next == NULL) { return NGX_ERROR; } cl = cl->next; cl->buf = b; body = body->next; } } else { r->upstream->request_bufs = cl; } cl->next = NULL; return NGX_OK; } static ngx_int_t ngx_http_uwsgi_reinit_request(ngx_http_request_t *r) { ngx_http_status_t *status; status = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module); if (status == NULL) { return NGX_OK; } status->code = 0; status->count = 0; status->start = NULL; status->end = NULL; r->upstream->process_header = ngx_http_uwsgi_process_status_line; return NGX_OK; } static ngx_int_t ngx_http_uwsgi_process_status_line(ngx_http_request_t *r) { size_t len; ngx_int_t rc; ngx_http_status_t *status; ngx_http_upstream_t *u; status = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module); if (status == NULL) { return NGX_ERROR; } u = r->upstream; rc = ngx_http_parse_status_line(r, &u->buffer, status); if (rc == NGX_AGAIN) { return rc; } if (rc == NGX_ERROR) { r->http_version = NGX_HTTP_VERSION_9; u->process_header = ngx_http_uwsgi_process_header; return ngx_http_uwsgi_process_header(r); } if (u->state) { u->state->status = status->code; } u->headers_in.status_n = status->code; len = status->end - status->start; u->headers_in.status_line.len = len; u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); if (u->headers_in.status_line.data == NULL) { return NGX_ERROR; } ngx_memcpy(u->headers_in.status_line.data, status->start, len); ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http uwsgi status %ui \"%V\"", u->headers_in.status_n, &u->headers_in.status_line); u->process_header = ngx_http_uwsgi_process_header; return ngx_http_uwsgi_process_header(r); } static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r) { ngx_str_t *status_line; ngx_int_t rc, status; ngx_table_elt_t *h; ngx_http_upstream_t *u; ngx_http_upstream_header_t *hh; ngx_http_upstream_main_conf_t *umcf; umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); for ( ;; ) { rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); if (rc == NGX_OK) { /* a header line has been parsed successfully */ h = ngx_list_push(&r->upstream->headers_in.headers); if (h == NULL) { return NGX_ERROR; } h->hash = r->header_hash; h->key.len = r->header_name_end - r->header_name_start; h->value.len = r->header_end - r->header_start; h->key.data = ngx_pnalloc(r->pool, h->key.len + 1 + h->value.len + 1 + h->key.len); if (h->key.data == NULL) { return NGX_ERROR; } h->value.data = h->key.data + h->key.len + 1; h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); if (h->key.len == r->lowcase_index) { ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); } else { ngx_strlow(h->lowcase_key, h->key.data, h->key.len); } 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) { return NGX_ERROR; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http uwsgi header: \"%V: %V\"", &h->key, &h->value); continue; } if (rc == NGX_HTTP_PARSE_HEADER_DONE) { /* a whole header has been parsed successfully */ ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http uwsgi header done"); if (r->http_version > NGX_HTTP_VERSION_9) { return NGX_OK; } u = r->upstream; if (u->headers_in.status) { status_line = &u->headers_in.status->value; status = ngx_atoi(status_line->data, 3); if (status == NGX_ERROR) { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "upstream sent invalid status \"%V\"", status_line); return NGX_HTTP_UPSTREAM_INVALID_HEADER; } r->http_version = NGX_HTTP_VERSION_10; u->headers_in.status_n = status; u->headers_in.status_line = *status_line; } else if (u->headers_in.location) { r->http_version = NGX_HTTP_VERSION_10; u->headers_in.status_n = 302; ngx_str_set(&u->headers_in.status_line, "302 Moved Temporarily"); } else { ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "upstream sent neither valid HTTP/1.0 header " "nor \"Status\" header line"); u->headers_in.status_n = 200; ngx_str_set(&u->headers_in.status_line, "200 OK"); } if (u->state) { u->state->status = u->headers_in.status_n; } return NGX_OK; } if (rc == NGX_AGAIN) { return NGX_AGAIN; } /* there was error while a header line parsing */ ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "upstream sent invalid header"); return NGX_HTTP_UPSTREAM_INVALID_HEADER; } } static void ngx_http_uwsgi_abort_request(ngx_http_request_t *r) { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "abort http uwsgi request"); return; } static void ngx_http_uwsgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "finalize http uwsgi request"); return; } static void * ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf) { ngx_http_uwsgi_loc_conf_t *conf; conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_uwsgi_loc_conf_t)); if (conf == NULL) { return NULL; } conf->modifier1 = NGX_CONF_UNSET_UINT; conf->modifier2 = NGX_CONF_UNSET_UINT; conf->upstream.store = NGX_CONF_UNSET; conf->upstream.store_access = NGX_CONF_UNSET_UINT; conf->upstream.buffering = NGX_CONF_UNSET; conf->upstream.ignore_client_abort = NGX_CONF_UNSET; conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; conf->upstream.pass_request_headers = NGX_CONF_UNSET; conf->upstream.pass_request_body = NGX_CONF_UNSET; #if (NGX_HTTP_CACHE) conf->upstream.cache = NGX_CONF_UNSET_PTR; conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; conf->upstream.no_cache = NGX_CONF_UNSET_PTR; conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; #endif conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; conf->upstream.intercept_errors = NGX_CONF_UNSET; /* "uwsgi_cyclic_temp_file" is disabled */ conf->upstream.cyclic_temp_file = 0; conf->upstream.change_buffering = 1; ngx_str_set(&conf->upstream.module, "uwsgi"); return conf; } static char * ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_uwsgi_loc_conf_t *prev = parent; ngx_http_uwsgi_loc_conf_t *conf = child; u_char *p; size_t size; uintptr_t *code; ngx_uint_t i; ngx_array_t headers_names; ngx_keyval_t *src; ngx_hash_key_t *hk; ngx_hash_init_t hash; ngx_http_core_loc_conf_t *clcf; ngx_http_script_compile_t sc; ngx_http_script_copy_code_t *copy; if (conf->upstream.store != 0) { ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); if (conf->upstream.store_lengths == NULL) { conf->upstream.store_lengths = prev->upstream.store_lengths; conf->upstream.store_values = prev->upstream.store_values; } } ngx_conf_merge_uint_value(conf->upstream.store_access, prev->upstream.store_access, 0600); ngx_conf_merge_value(conf->upstream.buffering, prev->upstream.buffering, 1); ngx_conf_merge_value(conf->upstream.ignore_client_abort, prev->upstream.ignore_client_abort, 0); ngx_conf_merge_msec_value(conf->upstream.connect_timeout, prev->upstream.connect_timeout, 60000); ngx_conf_merge_msec_value(conf->upstream.send_timeout, prev->upstream.send_timeout, 60000); ngx_conf_merge_msec_value(conf->upstream.read_timeout, prev->upstream.read_timeout, 60000); ngx_conf_merge_size_value(conf->upstream.send_lowat, prev->upstream.send_lowat, 0); ngx_conf_merge_size_value(conf->upstream.buffer_size, prev->upstream.buffer_size, (size_t) ngx_pagesize); ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, 8, ngx_pagesize); if (conf->upstream.bufs.num < 2) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "there must be at least 2 \"uwsgi_buffers\""); return NGX_CONF_ERROR; } size = conf->upstream.buffer_size; if (size < conf->upstream.bufs.size) { size = conf->upstream.bufs.size; } ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, prev->upstream.busy_buffers_size_conf, NGX_CONF_UNSET_SIZE); if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { conf->upstream.busy_buffers_size = 2 * size; } else { conf->upstream.busy_buffers_size = conf->upstream.busy_buffers_size_conf; } if (conf->upstream.busy_buffers_size < size) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"uwsgi_busy_buffers_size\" must be equal or bigger " "than maximum of the value of \"uwsgi_buffer_size\" and " "one of the \"uwsgi_buffers\""); return NGX_CONF_ERROR; } if (conf->upstream.busy_buffers_size > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"uwsgi_busy_buffers_size\" must be less than " "the size of all \"uwsgi_buffers\" minus one buffer"); return NGX_CONF_ERROR; } ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, prev->upstream.temp_file_write_size_conf, NGX_CONF_UNSET_SIZE); if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { conf->upstream.temp_file_write_size = 2 * size; } else { conf->upstream.temp_file_write_size = conf->upstream.temp_file_write_size_conf; } if (conf->upstream.temp_file_write_size < size) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"uwsgi_temp_file_write_size\" must be equal or bigger than " "maximum of the value of \"uwsgi_buffer_size\" and " "one of the \"uwsgi_buffers\""); return NGX_CONF_ERROR; } ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, prev->upstream.max_temp_file_size_conf, NGX_CONF_UNSET_SIZE); if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; } else { conf->upstream.max_temp_file_size = conf->upstream.max_temp_file_size_conf; } if (conf->upstream.max_temp_file_size != 0 && conf->upstream.max_temp_file_size < size) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"uwsgi_max_temp_file_size\" must be equal to zero to disable " "the temporary files usage or must be equal or bigger than " "maximum of the value of \"uwsgi_buffer_size\" and " "one of the \"uwsgi_buffers\""); return NGX_CONF_ERROR; } ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, prev->upstream.ignore_headers, NGX_CONF_BITMASK_SET); ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, prev->upstream.next_upstream, (NGX_CONF_BITMASK_SET |NGX_HTTP_UPSTREAM_FT_ERROR |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { conf->upstream.next_upstream = NGX_CONF_BITMASK_SET |NGX_HTTP_UPSTREAM_FT_OFF; } if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, prev->upstream.temp_path, &ngx_http_uwsgi_temp_path) != NGX_OK) { return NGX_CONF_ERROR; } #if (NGX_HTTP_CACHE) ngx_conf_merge_ptr_value(conf->upstream.cache, prev->upstream.cache, NULL); if (conf->upstream.cache && conf->upstream.cache->data == NULL) { ngx_shm_zone_t *shm_zone; shm_zone = conf->upstream.cache; ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"uwsgi_cache\" zone \"%V\" is unknown", &shm_zone->shm.name); return NGX_CONF_ERROR; } ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, prev->upstream.cache_min_uses, 1); ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, prev->upstream.cache_use_stale, (NGX_CONF_BITMASK_SET |NGX_HTTP_UPSTREAM_FT_OFF)); if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET |NGX_HTTP_UPSTREAM_FT_OFF; } if (conf->upstream.cache_methods == 0) { conf->upstream.cache_methods = prev->upstream.cache_methods; } conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, prev->upstream.cache_bypass, NULL); ngx_conf_merge_ptr_value(conf->upstream.no_cache, prev->upstream.no_cache, NULL); ngx_conf_merge_ptr_value(conf->upstream.cache_valid, prev->upstream.cache_valid, NULL); if (conf->cache_key.value.data == NULL) { conf->cache_key = prev->cache_key; } #endif ngx_conf_merge_value(conf->upstream.pass_request_headers, prev->upstream.pass_request_headers, 1); ngx_conf_merge_value(conf->upstream.pass_request_body, prev->upstream.pass_request_body, 1); ngx_conf_merge_value(conf->upstream.intercept_errors, prev->upstream.intercept_errors, 0); ngx_conf_merge_str_value(conf->uwsgi_string, prev->uwsgi_string, ""); hash.max_size = 512; hash.bucket_size = ngx_align(64, ngx_cacheline_size); hash.name = "uwsgi_hide_headers_hash"; if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, &prev->upstream, ngx_http_uwsgi_hide_headers, &hash) != NGX_OK) { return NGX_CONF_ERROR; } if (conf->upstream.upstream == NULL) { conf->upstream.upstream = prev->upstream.upstream; } if (conf->uwsgi_lengths == NULL) { conf->uwsgi_lengths = prev->uwsgi_lengths; conf->uwsgi_values = prev->uwsgi_values; } if (conf->upstream.upstream || conf->uwsgi_lengths) { clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); if (clcf->handler == NULL && clcf->lmt_excpt) { clcf->handler = ngx_http_uwsgi_handler; } } ngx_conf_merge_uint_value(conf->modifier1, prev->modifier1, 0); ngx_conf_merge_uint_value(conf->modifier2, prev->modifier2, 0); if (conf->params_source == NULL) { conf->flushes = prev->flushes; conf->params_len = prev->params_len; conf->params = prev->params; conf->params_source = prev->params_source; conf->headers_hash = prev->headers_hash; #if (NGX_HTTP_CACHE) if (conf->params_source == NULL) { if ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL)) { return NGX_CONF_OK; } /* 6 is a number of ngx_http_uwsgi_cache_headers entries */ conf->params_source = ngx_array_create(cf->pool, 6, sizeof(ngx_keyval_t)); if (conf->params_source == NULL) { return NGX_CONF_ERROR; } } #else if (conf->params_source == NULL) { return NGX_CONF_OK; } #endif } conf->params_len = ngx_array_create(cf->pool, 64, 1); if (conf->params_len == NULL) { return NGX_CONF_ERROR; } conf->params = ngx_array_create(cf->pool, 512, 1); if (conf->params == NULL) { return NGX_CONF_ERROR; } if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) != NGX_OK) { return NGX_CONF_ERROR; } src = conf->params_source->elts; #if (NGX_HTTP_CACHE) if (conf->upstream.cache) { ngx_keyval_t *h, *s; for (h = ngx_http_uwsgi_cache_headers; h->key.len; h++) { for (i = 0; i < conf->params_source->nelts; i++) { if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { goto next; } } s = ngx_array_push(conf->params_source); if (s == NULL) { return NGX_CONF_ERROR; } *s = *h; src = conf->params_source->elts; next: h++; } } #endif for (i = 0; i < conf->params_source->nelts; i++) { if (src[i].key.len > sizeof("HTTP_") - 1 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) { hk = ngx_array_push(&headers_names); if (hk == NULL) { return NGX_CONF_ERROR; } hk->key.len = src[i].key.len - 5; hk->key.data = src[i].key.data + 5; hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); hk->value = (void *) 1; if (src[i].value.len == 0) { continue; } } copy = ngx_array_push_n(conf->params_len, sizeof(ngx_http_script_copy_code_t)); if (copy == NULL) { return NGX_CONF_ERROR; } copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; copy->len = src[i].key.len; size = (sizeof(ngx_http_script_copy_code_t) + src[i].key.len + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1); copy = ngx_array_push_n(conf->params, size); if (copy == NULL) { return NGX_CONF_ERROR; } copy->code = ngx_http_script_copy_code; copy->len = src[i].key.len; p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); ngx_memcpy(p, src[i].key.data, src[i].key.len); ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); sc.cf = cf; sc.source = &src[i].value; sc.flushes = &conf->flushes; sc.lengths = &conf->params_len; sc.values = &conf->params; if (ngx_http_script_compile(&sc) != NGX_OK) { return NGX_CONF_ERROR; } code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); if (code == NULL) { return NGX_CONF_ERROR; } *code = (uintptr_t) NULL; code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); if (code == NULL) { return NGX_CONF_ERROR; } *code = (uintptr_t) NULL; } code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); if (code == NULL) { return NGX_CONF_ERROR; } *code = (uintptr_t) NULL; conf->header_params = headers_names.nelts; hash.hash = &conf->headers_hash; hash.key = ngx_hash_key_lc; hash.max_size = 512; hash.bucket_size = 64; hash.name = "uwsgi_params_hash"; hash.pool = cf->pool; hash.temp_pool = NULL; if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK) { return NGX_CONF_ERROR; } return NGX_CONF_OK; } static char * ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_uwsgi_loc_conf_t *uwcf = conf; 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 (uwcf->upstream.upstream || uwcf->uwsgi_lengths) { return "is duplicate"; } clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module); clcf->handler = ngx_http_uwsgi_handler; 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 = &uwcf->uwsgi_lengths; sc.values = &uwcf->uwsgi_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; uwcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); if (uwcf->upstream.upstream == NULL) { return NGX_CONF_ERROR; } if (clcf->name.data[clcf->name.len - 1] == '/') { clcf->auto_redirect = 1; } return NGX_CONF_OK; } static char * ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_uwsgi_loc_conf_t *uwcf = conf; ngx_str_t *value; ngx_http_script_compile_t sc; if (uwcf->upstream.store != NGX_CONF_UNSET || uwcf->upstream.store_lengths) { return "is duplicate"; } value = cf->args->elts; if (ngx_strcmp(value[1].data, "off") == 0) { uwcf->upstream.store = 0; return NGX_CONF_OK; } #if (NGX_HTTP_CACHE) if (uwcf->upstream.cache != NGX_CONF_UNSET_PTR && uwcf->upstream.cache != NULL) { return "is incompatible with \"uwsgi_cache\""; } #endif if (ngx_strcmp(value[1].data, "on") == 0) { uwcf->upstream.store = 1; return NGX_CONF_OK; } /* include the terminating '\0' into script */ value[1].len++; ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); sc.cf = cf; sc.source = &value[1]; sc.lengths = &uwcf->upstream.store_lengths; sc.values = &uwcf->upstream.store_values; sc.variables = ngx_http_script_variables_count(&value[1]);; sc.complete_lengths = 1; sc.complete_values = 1; if (ngx_http_script_compile(&sc) != NGX_OK) { return NGX_CONF_ERROR; } return NGX_CONF_OK; } #if (NGX_HTTP_CACHE) static char * ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_uwsgi_loc_conf_t *uwcf = conf; ngx_str_t *value; value = cf->args->elts; if (uwcf->upstream.cache != NGX_CONF_UNSET_PTR) { return "is duplicate"; } if (ngx_strcmp(value[1].data, "off") == 0) { uwcf->upstream.cache = NULL; return NGX_CONF_OK; } if (uwcf->upstream.store > 0 || uwcf->upstream.store_lengths) { return "is incompatible with \"uwsgi_store\""; } uwcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, &ngx_http_uwsgi_module); if (uwcf->upstream.cache == NULL) { return NGX_CONF_ERROR; } return NGX_CONF_OK; } static char * ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_uwsgi_loc_conf_t *uwcf = conf; ngx_str_t *value; ngx_http_compile_complex_value_t ccv; value = cf->args->elts; if (uwcf->cache_key.value.len) { return "is duplicate"; } ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); ccv.cf = cf; ccv.value = &value[1]; ccv.complex_value = &uwcf->cache_key; if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { return NGX_CONF_ERROR; } return NGX_CONF_OK; } #endif