diff options
Diffstat (limited to 'src/http/ngx_http_log_module.c')
| -rw-r--r-- | src/http/ngx_http_log_module.c | 1188 |
1 files changed, 0 insertions, 1188 deletions
diff --git a/src/http/ngx_http_log_module.c b/src/http/ngx_http_log_module.c deleted file mode 100644 index 617d46a7f..000000000 --- a/src/http/ngx_http_log_module.c +++ /dev/null @@ -1,1188 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <nginx.h> - - -static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -static size_t ngx_http_log_request_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf, - ngx_http_log_op_t *op, ngx_str_t *value); -static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); - -static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf, - ngx_http_log_op_t *op, ngx_str_t *value); -static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); - -static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); -static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); - -static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers, - ngx_str_t *value); - -static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, - ngx_http_log_op_t *op, ngx_str_t *value); -static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - - -static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf); -static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_log_commands[] = { - - { ngx_string("log_format"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, - ngx_http_log_set_format, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("access_log"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_log_set_log, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -ngx_http_module_t ngx_http_log_module_ctx = { - ngx_http_log_set_formats, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_log_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_log_create_loc_conf, /* create location configration */ - ngx_http_log_merge_loc_conf /* merge location configration */ -}; - - -ngx_module_t ngx_http_log_module = { - NGX_MODULE_V1, - &ngx_http_log_module_ctx, /* module context */ - ngx_http_log_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 http_access_log = ngx_string(NGX_HTTP_LOG_PATH); - - -static ngx_str_t ngx_http_combined_fmt = - ngx_string("%addr - - [%time] \"%request\" %status %apache_length " - "\"%{Referer}i\" \"%{User-Agent}i\""); - - -ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = { - { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr }, - { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL, - ngx_http_log_connection }, - { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe }, - { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, - NULL, NULL, ngx_http_log_time }, - { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec }, - { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL, - ngx_http_log_request_time }, - { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status }, - { ngx_string("length"), NGX_OFF_T_LEN, NULL, NULL, ngx_http_log_length }, - { ngx_string("apache_length"), NGX_OFF_T_LEN, - NULL, NULL, ngx_http_log_apache_length }, - { ngx_string("request_length"), NGX_SIZE_T_LEN, - NULL, NULL, ngx_http_log_request_length }, - - { ngx_string("request"), 0, NULL, - ngx_http_log_request_getlen, - ngx_http_log_request }, - - { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL, - ngx_http_log_header_in }, - { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL, - ngx_http_log_header_out }, - { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL, - ngx_http_log_variable }, - - { ngx_null_string, 0, NULL, NULL, NULL } -}; - - -ngx_int_t -ngx_http_log_handler(ngx_http_request_t *r) -{ - ngx_uint_t i, l; - u_char *line, *p; - size_t len; - ngx_http_log_t *log; - ngx_http_log_op_t *op; - ngx_http_log_loc_conf_t *lcf; -#if (NGX_WIN32) - u_long written; -#endif - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http log handler"); - - lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); - - if (lcf->off) { - return NGX_OK; - } - - log = lcf->logs->elts; - for (l = 0; l < lcf->logs->nelts; l++) { - - len = 0; - op = log[l].ops->elts; - for (i = 0; i < log[l].ops->nelts; i++) { - if (op[i].len == 0) { - len += op[i].getlen(r, op[i].data); - - } else { - len += op[i].len; - } - } - -#if (NGX_WIN32) - len += 2; -#else - len++; -#endif - - line = ngx_palloc(r->pool, len); - if (line == NULL) { - return NGX_ERROR; - } - - p = line; - - for (i = 0; i < log[l].ops->nelts; i++) { - p = op[i].run(r, p, &op[i]); - } - -#if (NGX_WIN32) - *p++ = CR; *p++ = LF; - WriteFile(log[l].file->fd, line, p - line, &written, NULL); -#else - *p++ = LF; - write(log[l].file->fd, line, p - line); -#endif - } - - return NGX_OK; -} - - -static u_char * -ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - size_t len; - uintptr_t data; - - len = op->len; - data = op->data; - - while (len--) { - *buf++ = (u_char) (data & 0xff); - data >>= 8; - } - - return buf; -} - - -static u_char * -ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, (u_char *) op->data, op->len); -} - - -static u_char * -ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, r->connection->addr_text.data, - r->connection->addr_text.len); -} - - -static u_char * -ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%ui", r->connection->number); -} - - -static u_char * -ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - if (r->pipeline) { - *buf = 'p'; - } else { - *buf = '.'; - } - - return buf + 1; -} - - -static u_char * -ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, ngx_cached_http_log_time.data, - ngx_cached_http_log_time.len); -} - - -static u_char * -ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_time_t *tp; - - tp = ngx_timeofday(); - - return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); -} - - -static u_char * -ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - time_t elapsed; - - elapsed = ngx_time() - r->start_time; - - return ngx_sprintf(buf, "%T", elapsed); -} - - -static size_t -ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data) -{ - return r->request_line.len; -} - - -static u_char * -ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, r->request_line.data, r->request_line.len); -} - - -static u_char * -ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%ui", - r->err_status ? r->err_status : r->headers_out.status); -} - - -static u_char * -ngx_http_log_length(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%O", r->connection->sent); -} - - -static u_char * -ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - off_t length; - - length = r->connection->sent - r->header_size; - - if (length > 0) { - return ngx_sprintf(buf, "%O", length); - } - - *buf = '0'; - - return buf + 1; -} - - -static u_char * -ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%z", r->request_length); -} - - -static ngx_int_t -ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, - ngx_str_t *value) -{ - ngx_uint_t i; - - op->len = 0; - - for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) { - - if (ngx_http_headers_in[i].name.len != value->len) { - continue; - } - - /* STUB: "Cookie" speacial handling */ - if (ngx_http_headers_in[i].offset == 0) { - continue; - } - - if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data, - value->len) == 0) - { - op->getlen = ngx_http_log_header_in_getlen; - op->run = ngx_http_log_header_in; - op->data = ngx_http_headers_in[i].offset; - - return NGX_OK; - } - } - - op->getlen = ngx_http_log_unknown_header_in_getlen; - op->run = ngx_http_log_unknown_header_in; - op->data = (uintptr_t) value; - - return NGX_OK; -} - - -static size_t -ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_table_elt_t *h; - - h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data); - - if (h) { - return h->value.len; - } - - return 1; -} - - -static u_char * -ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_table_elt_t *h; - - h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data); - - if (h) { - return ngx_cpymem(buf, h->value.data, h->value.len); - } - - *buf = '-'; - - return buf + 1; -} - - -static size_t -ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_table_elt_t *h; - - h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data); - - if (h) { - return h->value.len; - } - - return 1; -} - - -static u_char * -ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_table_elt_t *h; - - h = ngx_http_log_unknown_header(&r->headers_in.headers, - (ngx_str_t *) op->data); - - if (h) { - return ngx_cpymem(buf, h->value.data, h->value.len); - } - - *buf = '-'; - - return buf + 1; -} - - -static ngx_int_t -ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, - ngx_str_t *value) -{ - ngx_uint_t i; - - op->len = 0; - - for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) { - - if (ngx_http_headers_out[i].name.len != value->len) { - continue; - } - - if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data, - value->len) == 0) - { - op->getlen = ngx_http_log_header_out_getlen; - op->run = ngx_http_log_header_out; - op->data = ngx_http_headers_out[i].offset; - - return NGX_OK; - } - } - - if (value->len == sizeof("Connection") - 1 - && ngx_strncasecmp(value->data, "Connection", value->len) == 0) - { - op->len = sizeof("keep-alive") - 1; - op->getlen = NULL; - op->run = ngx_http_log_connection_header_out; - op->data = 0; - return NGX_OK; - } - - if (value->len == sizeof("Transfer-Encoding") - 1 - && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0) - { - op->len = sizeof("chunked") - 1; - op->getlen = NULL; - op->run = ngx_http_log_transfer_encoding_header_out; - op->data = 0; - return NGX_OK; - } - - op->getlen = ngx_http_log_unknown_header_out_getlen; - op->run = ngx_http_log_unknown_header_out; - op->data = (uintptr_t) value; - - return NGX_OK; -} - - -static size_t -ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_table_elt_t *h; - - h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data); - - if (h) { - return h->value.len; - } - - /* - * No header pointer was found. - * However, some headers: "Date", "Server", "Content-Length", - * and "Last-Modified" have a special handling in the header filter, - * but we do not set up their pointers in the filter, - * because they are too seldom needed to be logged. - */ - - if (data == offsetof(ngx_http_headers_out_t, date)) { - return ngx_cached_http_time.len; - } - - if (data == offsetof(ngx_http_headers_out_t, server)) { - return (sizeof(NGINX_VER) - 1); - } - - if (data == offsetof(ngx_http_headers_out_t, content_length)) { - if (r->headers_out.content_length_n == -1) { - return 1; - } - - return NGX_OFF_T_LEN; - } - - if (data == offsetof(ngx_http_headers_out_t, last_modified)) { - if (r->headers_out.last_modified_time == -1) { - return 1; - } - - return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1; - } - - return 1; -} - - -static u_char * -ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_table_elt_t *h; - - h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data); - - if (h) { - return ngx_cpymem(buf, h->value.data, h->value.len); - } - - /* - * No header pointer was found. - * However, some headers: "Date", "Server", "Content-Length", - * and "Last-Modified" have a special handling in the header filter, - * but we do not set up their pointers in the filter, - * because they are too seldom needed to be logged. - */ - - if (op->data == offsetof(ngx_http_headers_out_t, date)) { - return ngx_cpymem(buf, ngx_cached_http_time.data, - ngx_cached_http_time.len); - } - - if (op->data == offsetof(ngx_http_headers_out_t, server)) { - return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1); - } - - if (op->data == offsetof(ngx_http_headers_out_t, content_length)) { - if (r->headers_out.content_length_n == -1) { - *buf = '-'; - - return buf + 1; - } - - return ngx_sprintf(buf, "%O", r->headers_out.content_length_n); - } - - if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) { - if (r->headers_out.last_modified_time == -1) { - *buf = '-'; - - return buf + 1; - } - - return ngx_http_time(buf, r->headers_out.last_modified_time); - } - - *buf = '-'; - - return buf + 1; -} - - -static size_t -ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_table_elt_t *h; - - h = ngx_http_log_unknown_header(&r->headers_out.headers, - (ngx_str_t *) data); - - if (h) { - return h->value.len; - } - - return 1; -} - - -static u_char * -ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_table_elt_t *h; - - h = ngx_http_log_unknown_header(&r->headers_out.headers, - (ngx_str_t *) op->data); - - if (h) { - return ngx_cpymem(buf, h->value.data, h->value.len); - } - - *buf = '-'; - - return buf + 1; -} - - -static ngx_table_elt_t * -ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value) -{ - ngx_uint_t i; - ngx_list_part_t *part; - ngx_table_elt_t *h; - - part = &headers->part; - h = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - h = part->elts; - i = 0; - } - - if (h[i].key.len != value->len) { - continue; - } - - if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) { - return &h[i]; - } - } - - return NULL; -} - - -static u_char * -ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - if (r->keepalive) { - return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1); - - } else { - return ngx_cpymem(buf, "close", sizeof("close") - 1); - } -} - - -static u_char * -ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - if (r->chunked) { - return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1); - } - - *buf = '-'; - - return buf + 1; -} - - -static ngx_int_t -ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, - ngx_str_t *value) -{ - ngx_int_t index; - - index = ngx_http_get_variable_index(cf, value); - if (index == NGX_ERROR) { - return NGX_ERROR; - } - - op->len = 0; - op->getlen = ngx_http_log_variable_getlen; - op->run = ngx_http_log_variable; - op->data = index; - - return NGX_OK; -} - - -static size_t -ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL - || value == NGX_HTTP_VAR_NOT_FOUND - || value->text.len == 0) - { - return 1; - } - - return value->text.len; -} - - -static u_char * -ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL - || value == NGX_HTTP_VAR_NOT_FOUND - || value->text.len == 0) - { - *buf = '-'; - return buf + 1; - } - - return ngx_cpymem(buf, value->text.data, value->text.len); -} - - -static ngx_int_t -ngx_http_log_set_formats(ngx_conf_t *cf) -{ - ngx_http_log_op_name_t *op; - - for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ } - op->run = NULL; - - return NGX_OK; -} - - -static void * -ngx_http_log_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_log_main_conf_t *conf; - - char *rc; - ngx_str_t *value; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); - if (conf == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) - == NGX_ERROR) - { - return NGX_CONF_ERROR; - } - - cf->args->nelts = 0; - - value = ngx_array_push(cf->args); - if (value == NULL) { - return NGX_CONF_ERROR; - } - - value = ngx_array_push(cf->args); - if (value == NULL) { - return NGX_CONF_ERROR; - } - - value->len = sizeof("combined") - 1; - value->data = (u_char *) "combined"; - - value = ngx_array_push(cf->args); - if (value == NULL) { - return NGX_CONF_ERROR; - } - - *value = ngx_http_combined_fmt; - - rc = ngx_http_log_set_format(cf, NULL, conf); - if (rc != NGX_CONF_OK) { - return NULL; - } - - return conf; -} - - -static void * -ngx_http_log_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_log_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); - if (conf == NULL) { - return NGX_CONF_ERROR; - } - - return conf; -} - - -static char * -ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_log_loc_conf_t *prev = parent; - ngx_http_log_loc_conf_t *conf = child; - - ngx_http_log_t *log; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - - if (conf->logs == NULL) { - - if (conf->off) { - return NGX_CONF_OK; - } - - if (prev->logs) { - conf->logs = prev->logs; - - } else { - - if (prev->off) { - conf->off = prev->off; - return NGX_CONF_OK; - } - - conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (conf->logs == NULL) { - return NGX_CONF_ERROR; - } - - log = ngx_array_push(conf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - log->file = ngx_conf_open_file(cf->cycle, &http_access_log); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - fmt = lmcf->formats.elts; - - /* the default "combined" format */ - log->ops = fmt[0].ops; - } - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_loc_conf_t *llcf = conf; - - ngx_uint_t i; - ngx_str_t *value, name; - ngx_http_log_t *log; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - llcf->off = 1; - return NGX_CONF_OK; - } - - if (llcf->logs == NULL) { - llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (llcf->logs == NULL) { - return NGX_CONF_ERROR; - } - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - - log = ngx_array_push(llcf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - log->file = ngx_conf_open_file(cf->cycle, &value[1]); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 3) { - name = value[2]; - } else { - name.len = sizeof("combined") - 1; - name.data = (u_char *) "combined"; - } - - fmt = lmcf->formats.elts; - for (i = 0; i < lmcf->formats.nelts; i++) { - if (fmt[i].name.len == name.len - && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) - { - log->ops = fmt[i].ops; - return NGX_CONF_OK; - } - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown log format \"%V\"", &name); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_main_conf_t *lmcf = conf; - - ngx_uint_t s, f, invalid; - u_char *data, *p, *fname; - size_t i, len, fname_len; - ngx_str_t *value, arg, *a; - ngx_http_log_op_t *op; - ngx_http_log_fmt_t *fmt; - ngx_http_log_op_name_t *name; - - value = cf->args->elts; - - fmt = lmcf->formats.elts; - for (f = 0; f < lmcf->formats.nelts; f++) { - if (fmt[f].name.len == value[1].len - && ngx_strcmp(fmt->name.data, value[1].data) == 0) - { - return "duplicate \"log_format\" name"; - } - } - - fmt = ngx_array_push(&lmcf->formats); - if (fmt == NULL) { - return NGX_CONF_ERROR; - } - - fmt->name = value[1]; - - fmt->ops = ngx_array_create(cf->pool, 20, sizeof(ngx_http_log_op_t)); - if (fmt->ops == NULL) { - return NGX_CONF_ERROR; - } - - invalid = 0; - data = NULL; - arg.data = NULL; - - for (s = 2; s < cf->args->nelts && !invalid; s++) { - - i = 0; - - while (i < value[s].len) { - - op = ngx_array_push(fmt->ops); - if (op == NULL) { - return NGX_CONF_ERROR; - } - - data = &value[s].data[i]; - - if (value[s].data[i] == '%') { - i++; - - if (i == value[s].len) { - invalid = 1; - break; - } - - if (value[s].data[i] == '{') { - i++; - - arg.data = &value[s].data[i]; - - while (i < value[s].len && value[s].data[i] != '}') { - i++; - } - - arg.len = &value[s].data[i] - arg.data; - - if (i == value[s].len || arg.len == 0) { - invalid = 1; - break; - } - - i++; - - } else { - arg.len = 0; - } - - fname = &value[s].data[i]; - - while (i < value[s].len - && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z') - || value[s].data[i] == '_')) - { - i++; - } - - fname_len = &value[s].data[i] - fname; - - if (fname_len == 0) { - invalid = 1; - break; - } - - for (name = ngx_http_log_fmt_ops; name->run; name++) { - if (name->name.len == 0) { - name = (ngx_http_log_op_name_t *) name->run; - } - - if (name->name.len == fname_len - && ngx_strncmp(name->name.data, fname, fname_len) == 0) - { - if (name->compile == NULL) { - if (arg.len) { - fname[fname_len] = '\0'; - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%s\" must not have argument", - data); - return NGX_CONF_ERROR; - } - - op->len = name->len; - op->getlen = name->getlen; - op->run = name->run; - op->data = 0; - - break; - } - - if (arg.len == 0) { - fname[fname_len] = '\0'; - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%s\" requires argument", - data); - return NGX_CONF_ERROR; - } - - a = ngx_palloc(cf->pool, sizeof(ngx_str_t)); - if (a == NULL) { - return NGX_CONF_ERROR; - } - - *a = arg; - if (name->compile(cf, op, a) == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - break; - } - } - - if (name->name.len == 0) { - invalid = 1; - break; - } - - } else { - i++; - - while (i < value[s].len && value[s].data[i] != '%') { - i++; - } - - len = &value[s].data[i] - data; - - if (len) { - - op->len = len; - op->getlen = NULL; - - if (len <= sizeof(uintptr_t)) { - op->run = ngx_http_log_copy_short; - op->data = 0; - - while (len--) { - op->data <<= 8; - op->data |= data[len]; - } - - } else { - op->run = ngx_http_log_copy_long; - - p = ngx_palloc(cf->pool, len); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memcpy(p, data, len); - op->data = (uintptr_t) p; - } - } - } - } - } - - if (invalid) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%s\"", data); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} |