| |
| /* |
| * Copyright (C) Igor Sysoev |
| * Copyright (C) Nginx, Inc. |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| |
| #define NGX_CONF_BUFFER 4096 |
| |
| static ngx_int_t ngx_conf_add_dump(ngx_conf_t *cf, ngx_str_t *filename); |
| static ngx_int_t ngx_conf_handler(ngx_conf_t *cf, ngx_int_t last); |
| static ngx_int_t ngx_conf_read_token(ngx_conf_t *cf); |
| static void ngx_conf_flush_files(ngx_cycle_t *cycle); |
| |
| |
| static ngx_command_t ngx_conf_commands[] = { |
| |
| { ngx_string("include"), |
| NGX_ANY_CONF|NGX_CONF_TAKE1, |
| ngx_conf_include, |
| 0, |
| 0, |
| NULL }, |
| |
| ngx_null_command |
| }; |
| |
| |
| ngx_module_t ngx_conf_module = { |
| NGX_MODULE_V1, |
| NULL, /* module context */ |
| ngx_conf_commands, /* module directives */ |
| NGX_CONF_MODULE, /* module type */ |
| NULL, /* init master */ |
| NULL, /* init module */ |
| NULL, /* init process */ |
| NULL, /* init thread */ |
| NULL, /* exit thread */ |
| ngx_conf_flush_files, /* exit process */ |
| NULL, /* exit master */ |
| NGX_MODULE_V1_PADDING |
| }; |
| |
| |
| /* The eight fixed arguments */ |
| |
| static ngx_uint_t argument_number[] = { |
| NGX_CONF_NOARGS, |
| NGX_CONF_TAKE1, |
| NGX_CONF_TAKE2, |
| NGX_CONF_TAKE3, |
| NGX_CONF_TAKE4, |
| NGX_CONF_TAKE5, |
| NGX_CONF_TAKE6, |
| NGX_CONF_TAKE7 |
| }; |
| |
| |
| char * |
| ngx_conf_param(ngx_conf_t *cf) |
| { |
| char *rv; |
| ngx_str_t *param; |
| ngx_buf_t b; |
| ngx_conf_file_t conf_file; |
| |
| param = &cf->cycle->conf_param; |
| |
| if (param->len == 0) { |
| return NGX_CONF_OK; |
| } |
| |
| ngx_memzero(&conf_file, sizeof(ngx_conf_file_t)); |
| |
| ngx_memzero(&b, sizeof(ngx_buf_t)); |
| |
| b.start = param->data; |
| b.pos = param->data; |
| b.last = param->data + param->len; |
| b.end = b.last; |
| b.temporary = 1; |
| |
| conf_file.file.fd = NGX_INVALID_FILE; |
| conf_file.file.name.data = NULL; |
| conf_file.line = 0; |
| |
| cf->conf_file = &conf_file; |
| cf->conf_file->buffer = &b; |
| |
| rv = ngx_conf_parse(cf, NULL); |
| |
| cf->conf_file = NULL; |
| |
| return rv; |
| } |
| |
| |
| static ngx_int_t |
| ngx_conf_add_dump(ngx_conf_t *cf, ngx_str_t *filename) |
| { |
| off_t size; |
| u_char *p; |
| uint32_t hash; |
| ngx_buf_t *buf; |
| ngx_str_node_t *sn; |
| ngx_conf_dump_t *cd; |
| |
| hash = ngx_crc32_long(filename->data, filename->len); |
| |
| sn = ngx_str_rbtree_lookup(&cf->cycle->config_dump_rbtree, filename, hash); |
| |
| if (sn) { |
| cf->conf_file->dump = NULL; |
| return NGX_OK; |
| } |
| |
| p = ngx_pstrdup(cf->cycle->pool, filename); |
| if (p == NULL) { |
| return NGX_ERROR; |
| } |
| |
| cd = ngx_array_push(&cf->cycle->config_dump); |
| if (cd == NULL) { |
| return NGX_ERROR; |
| } |
| |
| size = ngx_file_size(&cf->conf_file->file.info); |
| |
| buf = ngx_create_temp_buf(cf->cycle->pool, (size_t) size); |
| if (buf == NULL) { |
| return NGX_ERROR; |
| } |
| |
| cd->name.data = p; |
| cd->name.len = filename->len; |
| cd->buffer = buf; |
| |
| cf->conf_file->dump = buf; |
| |
| sn = ngx_palloc(cf->temp_pool, sizeof(ngx_str_node_t)); |
| if (sn == NULL) { |
| return NGX_ERROR; |
| } |
| |
| sn->node.key = hash; |
| sn->str = cd->name; |
| |
| ngx_rbtree_insert(&cf->cycle->config_dump_rbtree, &sn->node); |
| |
| return NGX_OK; |
| } |
| |
| |
| char * |
| ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename) |
| { |
| char *rv; |
| ngx_fd_t fd; |
| ngx_int_t rc; |
| ngx_buf_t buf; |
| ngx_conf_file_t *prev, conf_file; |
| enum { |
| parse_file = 0, |
| parse_block, |
| parse_param |
| } type; |
| |
| #if (NGX_SUPPRESS_WARN) |
| fd = NGX_INVALID_FILE; |
| prev = NULL; |
| #endif |
| |
| if (filename) { |
| |
| /* open configuration file */ |
| |
| fd = ngx_open_file(filename->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); |
| |
| if (fd == NGX_INVALID_FILE) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| ngx_open_file_n " \"%s\" failed", |
| filename->data); |
| return NGX_CONF_ERROR; |
| } |
| |
| prev = cf->conf_file; |
| |
| cf->conf_file = &conf_file; |
| |
| if (ngx_fd_info(fd, &cf->conf_file->file.info) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_EMERG, cf->log, ngx_errno, |
| ngx_fd_info_n " \"%s\" failed", filename->data); |
| } |
| |
| cf->conf_file->buffer = &buf; |
| |
| buf.start = ngx_alloc(NGX_CONF_BUFFER, cf->log); |
| if (buf.start == NULL) { |
| goto failed; |
| } |
| |
| buf.pos = buf.start; |
| buf.last = buf.start; |
| buf.end = buf.last + NGX_CONF_BUFFER; |
| buf.temporary = 1; |
| |
| cf->conf_file->file.fd = fd; |
| cf->conf_file->file.name.len = filename->len; |
| cf->conf_file->file.name.data = filename->data; |
| cf->conf_file->file.offset = 0; |
| cf->conf_file->file.log = cf->log; |
| cf->conf_file->line = 1; |
| |
| type = parse_file; |
| |
| if (ngx_dump_config |
| #if (NGX_DEBUG) |
| || 1 |
| #endif |
| ) |
| { |
| if (ngx_conf_add_dump(cf, filename) != NGX_OK) { |
| goto failed; |
| } |
| |
| } else { |
| cf->conf_file->dump = NULL; |
| } |
| |
| } else if (cf->conf_file->file.fd != NGX_INVALID_FILE) { |
| |
| type = parse_block; |
| |
| } else { |
| type = parse_param; |
| } |
| |
| |
| for ( ;; ) { |
| rc = ngx_conf_read_token(cf); |
| |
| /* |
| * ngx_conf_read_token() may return |
| * |
| * NGX_ERROR there is error |
| * NGX_OK the token terminated by ";" was found |
| * NGX_CONF_BLOCK_START the token terminated by "{" was found |
| * NGX_CONF_BLOCK_DONE the "}" was found |
| * NGX_CONF_FILE_DONE the configuration file is done |
| */ |
| |
| if (rc == NGX_ERROR) { |
| goto done; |
| } |
| |
| if (rc == NGX_CONF_BLOCK_DONE) { |
| |
| if (type != parse_block) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "unexpected \"}\""); |
| goto failed; |
| } |
| |
| goto done; |
| } |
| |
| if (rc == NGX_CONF_FILE_DONE) { |
| |
| if (type == parse_block) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected end of file, expecting \"}\""); |
| goto failed; |
| } |
| |
| goto done; |
| } |
| |
| if (rc == NGX_CONF_BLOCK_START) { |
| |
| if (type == parse_param) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "block directives are not supported " |
| "in -g option"); |
| goto failed; |
| } |
| } |
| |
| /* rc == NGX_OK || rc == NGX_CONF_BLOCK_START */ |
| |
| if (cf->handler) { |
| |
| /* |
| * the custom handler, i.e., that is used in the http's |
| * "types { ... }" directive |
| */ |
| |
| if (rc == NGX_CONF_BLOCK_START) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "unexpected \"{\""); |
| goto failed; |
| } |
| |
| rv = (*cf->handler)(cf, NULL, cf->handler_conf); |
| if (rv == NGX_CONF_OK) { |
| continue; |
| } |
| |
| if (rv == NGX_CONF_ERROR) { |
| goto failed; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", rv); |
| |
| goto failed; |
| } |
| |
| |
| rc = ngx_conf_handler(cf, rc); |
| |
| if (rc == NGX_ERROR) { |
| goto failed; |
| } |
| } |
| |
| failed: |
| |
| rc = NGX_ERROR; |
| |
| done: |
| |
| if (filename) { |
| if (cf->conf_file->buffer->start) { |
| ngx_free(cf->conf_file->buffer->start); |
| } |
| |
| if (ngx_close_file(fd) == NGX_FILE_ERROR) { |
| ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, |
| ngx_close_file_n " %s failed", |
| filename->data); |
| rc = NGX_ERROR; |
| } |
| |
| cf->conf_file = prev; |
| } |
| |
| if (rc == NGX_ERROR) { |
| return NGX_CONF_ERROR; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_conf_handler(ngx_conf_t *cf, ngx_int_t last) |
| { |
| char *rv; |
| void *conf, **confp; |
| ngx_uint_t i, found; |
| ngx_str_t *name; |
| ngx_command_t *cmd; |
| |
| name = cf->args->elts; |
| |
| found = 0; |
| |
| for (i = 0; cf->cycle->modules[i]; i++) { |
| |
| cmd = cf->cycle->modules[i]->commands; |
| if (cmd == NULL) { |
| continue; |
| } |
| |
| for ( /* void */ ; cmd->name.len; cmd++) { |
| |
| if (name->len != cmd->name.len) { |
| continue; |
| } |
| |
| if (ngx_strcmp(name->data, cmd->name.data) != 0) { |
| continue; |
| } |
| |
| found = 1; |
| |
| if (cf->cycle->modules[i]->type != NGX_CONF_MODULE |
| && cf->cycle->modules[i]->type != cf->module_type) |
| { |
| continue; |
| } |
| |
| /* is the directive's location right ? */ |
| |
| if (!(cmd->type & cf->cmd_type)) { |
| continue; |
| } |
| |
| if (!(cmd->type & NGX_CONF_BLOCK) && last != NGX_OK) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "directive \"%s\" is not terminated by \";\"", |
| name->data); |
| return NGX_ERROR; |
| } |
| |
| if ((cmd->type & NGX_CONF_BLOCK) && last != NGX_CONF_BLOCK_START) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "directive \"%s\" has no opening \"{\"", |
| name->data); |
| return NGX_ERROR; |
| } |
| |
| /* is the directive's argument count right ? */ |
| |
| if (!(cmd->type & NGX_CONF_ANY)) { |
| |
| if (cmd->type & NGX_CONF_FLAG) { |
| |
| if (cf->args->nelts != 2) { |
| goto invalid; |
| } |
| |
| } else if (cmd->type & NGX_CONF_1MORE) { |
| |
| if (cf->args->nelts < 2) { |
| goto invalid; |
| } |
| |
| } else if (cmd->type & NGX_CONF_2MORE) { |
| |
| if (cf->args->nelts < 3) { |
| goto invalid; |
| } |
| |
| } else if (cf->args->nelts > NGX_CONF_MAX_ARGS) { |
| |
| goto invalid; |
| |
| } else if (!(cmd->type & argument_number[cf->args->nelts - 1])) |
| { |
| goto invalid; |
| } |
| } |
| |
| /* set up the directive's configuration context */ |
| |
| conf = NULL; |
| |
| if (cmd->type & NGX_DIRECT_CONF) { |
| conf = ((void **) cf->ctx)[cf->cycle->modules[i]->index]; |
| |
| } else if (cmd->type & NGX_MAIN_CONF) { |
| conf = &(((void **) cf->ctx)[cf->cycle->modules[i]->index]); |
| |
| } else if (cf->ctx) { |
| confp = *(void **) ((char *) cf->ctx + cmd->conf); |
| |
| if (confp) { |
| conf = confp[cf->cycle->modules[i]->ctx_index]; |
| } |
| } |
| |
| rv = cmd->set(cf, cmd, conf); |
| |
| if (rv == NGX_CONF_OK) { |
| return NGX_OK; |
| } |
| |
| if (rv == NGX_CONF_ERROR) { |
| return NGX_ERROR; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"%s\" directive %s", name->data, rv); |
| |
| return NGX_ERROR; |
| } |
| } |
| |
| if (found) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"%s\" directive is not allowed here", name->data); |
| |
| return NGX_ERROR; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unknown directive \"%s\"", name->data); |
| |
| return NGX_ERROR; |
| |
| invalid: |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid number of arguments in \"%s\" directive", |
| name->data); |
| |
| return NGX_ERROR; |
| } |
| |
| |
| static ngx_int_t |
| ngx_conf_read_token(ngx_conf_t *cf) |
| { |
| u_char *start, ch, *src, *dst; |
| off_t file_size; |
| size_t len; |
| ssize_t n, size; |
| ngx_uint_t found, need_space, last_space, sharp_comment, variable; |
| ngx_uint_t quoted, s_quoted, d_quoted, start_line; |
| ngx_str_t *word; |
| ngx_buf_t *b, *dump; |
| |
| found = 0; |
| need_space = 0; |
| last_space = 1; |
| sharp_comment = 0; |
| variable = 0; |
| quoted = 0; |
| s_quoted = 0; |
| d_quoted = 0; |
| |
| cf->args->nelts = 0; |
| b = cf->conf_file->buffer; |
| dump = cf->conf_file->dump; |
| start = b->pos; |
| start_line = cf->conf_file->line; |
| |
| file_size = ngx_file_size(&cf->conf_file->file.info); |
| |
| for ( ;; ) { |
| |
| if (b->pos >= b->last) { |
| |
| if (cf->conf_file->file.offset >= file_size) { |
| |
| if (cf->args->nelts > 0 || !last_space) { |
| |
| if (cf->conf_file->file.fd == NGX_INVALID_FILE) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected end of parameter, " |
| "expecting \";\""); |
| return NGX_ERROR; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected end of file, " |
| "expecting \";\" or \"}\""); |
| return NGX_ERROR; |
| } |
| |
| return NGX_CONF_FILE_DONE; |
| } |
| |
| len = b->pos - start; |
| |
| if (len == NGX_CONF_BUFFER) { |
| cf->conf_file->line = start_line; |
| |
| if (d_quoted) { |
| ch = '"'; |
| |
| } else if (s_quoted) { |
| ch = '\''; |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "too long parameter \"%*s...\" started", |
| 10, start); |
| return NGX_ERROR; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "too long parameter, probably " |
| "missing terminating \"%c\" character", ch); |
| return NGX_ERROR; |
| } |
| |
| if (len) { |
| ngx_memmove(b->start, start, len); |
| } |
| |
| size = (ssize_t) (file_size - cf->conf_file->file.offset); |
| |
| if (size > b->end - (b->start + len)) { |
| size = b->end - (b->start + len); |
| } |
| |
| n = ngx_read_file(&cf->conf_file->file, b->start + len, size, |
| cf->conf_file->file.offset); |
| |
| if (n == NGX_ERROR) { |
| return NGX_ERROR; |
| } |
| |
| if (n != size) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| ngx_read_file_n " returned " |
| "only %z bytes instead of %z", |
| n, size); |
| return NGX_ERROR; |
| } |
| |
| b->pos = b->start + len; |
| b->last = b->pos + n; |
| start = b->start; |
| |
| if (dump) { |
| dump->last = ngx_cpymem(dump->last, b->pos, size); |
| } |
| } |
| |
| ch = *b->pos++; |
| |
| if (ch == LF) { |
| cf->conf_file->line++; |
| |
| if (sharp_comment) { |
| sharp_comment = 0; |
| } |
| } |
| |
| if (sharp_comment) { |
| continue; |
| } |
| |
| if (quoted) { |
| quoted = 0; |
| continue; |
| } |
| |
| if (need_space) { |
| if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) { |
| last_space = 1; |
| need_space = 0; |
| continue; |
| } |
| |
| if (ch == ';') { |
| return NGX_OK; |
| } |
| |
| if (ch == '{') { |
| return NGX_CONF_BLOCK_START; |
| } |
| |
| if (ch == ')') { |
| last_space = 1; |
| need_space = 0; |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected \"%c\"", ch); |
| return NGX_ERROR; |
| } |
| } |
| |
| if (last_space) { |
| |
| start = b->pos - 1; |
| start_line = cf->conf_file->line; |
| |
| if (ch == ' ' || ch == '\t' || ch == CR || ch == LF) { |
| continue; |
| } |
| |
| switch (ch) { |
| |
| case ';': |
| case '{': |
| if (cf->args->nelts == 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected \"%c\"", ch); |
| return NGX_ERROR; |
| } |
| |
| if (ch == '{') { |
| return NGX_CONF_BLOCK_START; |
| } |
| |
| return NGX_OK; |
| |
| case '}': |
| if (cf->args->nelts != 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "unexpected \"}\""); |
| return NGX_ERROR; |
| } |
| |
| return NGX_CONF_BLOCK_DONE; |
| |
| case '#': |
| sharp_comment = 1; |
| continue; |
| |
| case '\\': |
| quoted = 1; |
| last_space = 0; |
| continue; |
| |
| case '"': |
| start++; |
| d_quoted = 1; |
| last_space = 0; |
| continue; |
| |
| case '\'': |
| start++; |
| s_quoted = 1; |
| last_space = 0; |
| continue; |
| |
| case '$': |
| variable = 1; |
| last_space = 0; |
| continue; |
| |
| default: |
| last_space = 0; |
| } |
| |
| } else { |
| if (ch == '{' && variable) { |
| continue; |
| } |
| |
| variable = 0; |
| |
| if (ch == '\\') { |
| quoted = 1; |
| continue; |
| } |
| |
| if (ch == '$') { |
| variable = 1; |
| continue; |
| } |
| |
| if (d_quoted) { |
| if (ch == '"') { |
| d_quoted = 0; |
| need_space = 1; |
| found = 1; |
| } |
| |
| } else if (s_quoted) { |
| if (ch == '\'') { |
| s_quoted = 0; |
| need_space = 1; |
| found = 1; |
| } |
| |
| } else if (ch == ' ' || ch == '\t' || ch == CR || ch == LF |
| || ch == ';' || ch == '{') |
| { |
| last_space = 1; |
| found = 1; |
| } |
| |
| if (found) { |
| word = ngx_array_push(cf->args); |
| if (word == NULL) { |
| return NGX_ERROR; |
| } |
| |
| word->data = ngx_pnalloc(cf->pool, b->pos - 1 - start + 1); |
| if (word->data == NULL) { |
| return NGX_ERROR; |
| } |
| |
| for (dst = word->data, src = start, len = 0; |
| src < b->pos - 1; |
| len++) |
| { |
| if (*src == '\\') { |
| switch (src[1]) { |
| case '"': |
| case '\'': |
| case '\\': |
| src++; |
| break; |
| |
| case 't': |
| *dst++ = '\t'; |
| src += 2; |
| continue; |
| |
| case 'r': |
| *dst++ = '\r'; |
| src += 2; |
| continue; |
| |
| case 'n': |
| *dst++ = '\n'; |
| src += 2; |
| continue; |
| } |
| |
| } |
| *dst++ = *src++; |
| } |
| *dst = '\0'; |
| word->len = len; |
| |
| if (ch == ';') { |
| return NGX_OK; |
| } |
| |
| if (ch == '{') { |
| return NGX_CONF_BLOCK_START; |
| } |
| |
| found = 0; |
| } |
| } |
| } |
| } |
| |
| |
| char * |
| ngx_conf_include(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *rv; |
| ngx_int_t n; |
| ngx_str_t *value, file, name; |
| ngx_glob_t gl; |
| |
| value = cf->args->elts; |
| file = value[1]; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); |
| |
| if (ngx_conf_full_name(cf->cycle, &file, 1) != NGX_OK) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (strpbrk((char *) file.data, "*?[") == NULL) { |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); |
| |
| return ngx_conf_parse(cf, &file); |
| } |
| |
| ngx_memzero(&gl, sizeof(ngx_glob_t)); |
| |
| gl.pattern = file.data; |
| gl.log = cf->log; |
| gl.test = 1; |
| |
| if (ngx_open_glob(&gl) != NGX_OK) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| ngx_open_glob_n " \"%s\" failed", file.data); |
| return NGX_CONF_ERROR; |
| } |
| |
| rv = NGX_CONF_OK; |
| |
| for ( ;; ) { |
| n = ngx_read_glob(&gl, &name); |
| |
| if (n != NGX_OK) { |
| break; |
| } |
| |
| file.len = name.len++; |
| file.data = ngx_pstrdup(cf->pool, &name); |
| if (file.data == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); |
| |
| rv = ngx_conf_parse(cf, &file); |
| |
| if (rv != NGX_CONF_OK) { |
| break; |
| } |
| } |
| |
| ngx_close_glob(&gl); |
| |
| return rv; |
| } |
| |
| |
| ngx_int_t |
| ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name, ngx_uint_t conf_prefix) |
| { |
| ngx_str_t *prefix; |
| |
| prefix = conf_prefix ? &cycle->conf_prefix : &cycle->prefix; |
| |
| return ngx_get_full_name(cycle->pool, prefix, name); |
| } |
| |
| |
| ngx_open_file_t * |
| ngx_conf_open_file(ngx_cycle_t *cycle, ngx_str_t *name) |
| { |
| ngx_str_t full; |
| ngx_uint_t i; |
| ngx_list_part_t *part; |
| ngx_open_file_t *file; |
| |
| #if (NGX_SUPPRESS_WARN) |
| ngx_str_null(&full); |
| #endif |
| |
| if (name->len) { |
| full = *name; |
| |
| if (ngx_conf_full_name(cycle, &full, 0) != NGX_OK) { |
| return NULL; |
| } |
| |
| part = &cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (full.len != file[i].name.len) { |
| continue; |
| } |
| |
| if (ngx_strcmp(full.data, file[i].name.data) == 0) { |
| return &file[i]; |
| } |
| } |
| } |
| |
| file = ngx_list_push(&cycle->open_files); |
| if (file == NULL) { |
| return NULL; |
| } |
| |
| if (name->len) { |
| file->fd = NGX_INVALID_FILE; |
| file->name = full; |
| |
| } else { |
| file->fd = ngx_stderr; |
| file->name = *name; |
| } |
| |
| file->flush = NULL; |
| file->data = NULL; |
| |
| return file; |
| } |
| |
| |
| static void |
| ngx_conf_flush_files(ngx_cycle_t *cycle) |
| { |
| ngx_uint_t i; |
| ngx_list_part_t *part; |
| ngx_open_file_t *file; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "flush files"); |
| |
| part = &cycle->open_files.part; |
| file = part->elts; |
| |
| for (i = 0; /* void */ ; i++) { |
| |
| if (i >= part->nelts) { |
| if (part->next == NULL) { |
| break; |
| } |
| part = part->next; |
| file = part->elts; |
| i = 0; |
| } |
| |
| if (file[i].flush) { |
| file[i].flush(&file[i], cycle->log); |
| } |
| } |
| } |
| |
| |
| void ngx_cdecl |
| ngx_conf_log_error(ngx_uint_t level, ngx_conf_t *cf, ngx_err_t err, |
| const char *fmt, ...) |
| { |
| u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
| va_list args; |
| |
| last = errstr + NGX_MAX_CONF_ERRSTR; |
| |
| va_start(args, fmt); |
| p = ngx_vslprintf(errstr, last, fmt, args); |
| va_end(args); |
| |
| if (err) { |
| p = ngx_log_errno(p, last, err); |
| } |
| |
| if (cf->conf_file == NULL) { |
| ngx_log_error(level, cf->log, 0, "%*s", p - errstr, errstr); |
| return; |
| } |
| |
| if (cf->conf_file->file.fd == NGX_INVALID_FILE) { |
| ngx_log_error(level, cf->log, 0, "%*s in command line", |
| p - errstr, errstr); |
| return; |
| } |
| |
| ngx_log_error(level, cf->log, 0, "%*s in %s:%ui", |
| p - errstr, errstr, |
| cf->conf_file->file.name.data, cf->conf_file->line); |
| } |
| |
| |
| char * |
| ngx_conf_set_flag_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_str_t *value; |
| ngx_flag_t *fp; |
| ngx_conf_post_t *post; |
| |
| fp = (ngx_flag_t *) (p + cmd->offset); |
| |
| if (*fp != NGX_CONF_UNSET) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| if (ngx_strcasecmp(value[1].data, (u_char *) "on") == 0) { |
| *fp = 1; |
| |
| } else if (ngx_strcasecmp(value[1].data, (u_char *) "off") == 0) { |
| *fp = 0; |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%s\" in \"%s\" directive, " |
| "it must be \"on\" or \"off\"", |
| value[1].data, cmd->name.data); |
| return NGX_CONF_ERROR; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, fp); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_str_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_str_t *field, *value; |
| ngx_conf_post_t *post; |
| |
| field = (ngx_str_t *) (p + cmd->offset); |
| |
| if (field->data) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| *field = value[1]; |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, field); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_str_array_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_str_t *value, *s; |
| ngx_array_t **a; |
| ngx_conf_post_t *post; |
| |
| a = (ngx_array_t **) (p + cmd->offset); |
| |
| if (*a == NGX_CONF_UNSET_PTR) { |
| *a = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t)); |
| if (*a == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| s = ngx_array_push(*a); |
| if (s == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| value = cf->args->elts; |
| |
| *s = value[1]; |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, s); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_keyval_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_str_t *value; |
| ngx_array_t **a; |
| ngx_keyval_t *kv; |
| ngx_conf_post_t *post; |
| |
| a = (ngx_array_t **) (p + cmd->offset); |
| |
| if (*a == NGX_CONF_UNSET_PTR || *a == NULL) { |
| *a = ngx_array_create(cf->pool, 4, sizeof(ngx_keyval_t)); |
| if (*a == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| kv = ngx_array_push(*a); |
| if (kv == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| value = cf->args->elts; |
| |
| kv->key = value[1]; |
| kv->value = value[2]; |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, kv); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_num_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_int_t *np; |
| ngx_str_t *value; |
| ngx_conf_post_t *post; |
| |
| |
| np = (ngx_int_t *) (p + cmd->offset); |
| |
| if (*np != NGX_CONF_UNSET) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| *np = ngx_atoi(value[1].data, value[1].len); |
| if (*np == NGX_ERROR) { |
| return "invalid number"; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, np); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_size_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| size_t *sp; |
| ngx_str_t *value; |
| ngx_conf_post_t *post; |
| |
| |
| sp = (size_t *) (p + cmd->offset); |
| if (*sp != NGX_CONF_UNSET_SIZE) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| *sp = ngx_parse_size(&value[1]); |
| if (*sp == (size_t) NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, sp); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_off_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| off_t *op; |
| ngx_str_t *value; |
| ngx_conf_post_t *post; |
| |
| |
| op = (off_t *) (p + cmd->offset); |
| if (*op != NGX_CONF_UNSET) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| *op = ngx_parse_offset(&value[1]); |
| if (*op == (off_t) NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, op); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_msec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_msec_t *msp; |
| ngx_str_t *value; |
| ngx_conf_post_t *post; |
| |
| |
| msp = (ngx_msec_t *) (p + cmd->offset); |
| if (*msp != NGX_CONF_UNSET_MSEC) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| *msp = ngx_parse_time(&value[1], 0); |
| if (*msp == (ngx_msec_t) NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, msp); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_sec_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| time_t *sp; |
| ngx_str_t *value; |
| ngx_conf_post_t *post; |
| |
| |
| sp = (time_t *) (p + cmd->offset); |
| if (*sp != NGX_CONF_UNSET) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| *sp = ngx_parse_time(&value[1], 1); |
| if (*sp == (time_t) NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (cmd->post) { |
| post = cmd->post; |
| return post->post_handler(cf, post, sp); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_bufs_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_str_t *value; |
| ngx_bufs_t *bufs; |
| |
| |
| bufs = (ngx_bufs_t *) (p + cmd->offset); |
| if (bufs->num) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| bufs->num = ngx_atoi(value[1].data, value[1].len); |
| if (bufs->num == NGX_ERROR || bufs->num == 0) { |
| return "invalid value"; |
| } |
| |
| bufs->size = ngx_parse_size(&value[2]); |
| if (bufs->size == (size_t) NGX_ERROR || bufs->size == 0) { |
| return "invalid value"; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_set_enum_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_uint_t *np, i; |
| ngx_str_t *value; |
| ngx_conf_enum_t *e; |
| |
| np = (ngx_uint_t *) (p + cmd->offset); |
| |
| if (*np != NGX_CONF_UNSET_UINT) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| e = cmd->post; |
| |
| for (i = 0; e[i].name.len != 0; i++) { |
| if (e[i].name.len != value[1].len |
| || ngx_strcasecmp(e[i].name.data, value[1].data) != 0) |
| { |
| continue; |
| } |
| |
| *np = e[i].value; |
| |
| return NGX_CONF_OK; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%s\"", value[1].data); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| char * |
| ngx_conf_set_bitmask_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *p = conf; |
| |
| ngx_uint_t *np, i, m; |
| ngx_str_t *value; |
| ngx_conf_bitmask_t *mask; |
| |
| |
| np = (ngx_uint_t *) (p + cmd->offset); |
| value = cf->args->elts; |
| mask = cmd->post; |
| |
| for (i = 1; i < cf->args->nelts; i++) { |
| for (m = 0; mask[m].name.len != 0; m++) { |
| |
| if (mask[m].name.len != value[i].len |
| || ngx_strcasecmp(mask[m].name.data, value[i].data) != 0) |
| { |
| continue; |
| } |
| |
| if (*np & mask[m].mask) { |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "duplicate value \"%s\"", value[i].data); |
| |
| } else { |
| *np |= mask[m].mask; |
| } |
| |
| break; |
| } |
| |
| if (mask[m].name.len == 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%s\"", value[i].data); |
| |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| #if 0 |
| |
| char * |
| ngx_conf_unsupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| return "unsupported on this platform"; |
| } |
| |
| #endif |
| |
| |
| char * |
| ngx_conf_deprecated(ngx_conf_t *cf, void *post, void *data) |
| { |
| ngx_conf_deprecated_t *d = post; |
| |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "the \"%s\" directive is deprecated, " |
| "use the \"%s\" directive instead", |
| d->old_name, d->new_name); |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| char * |
| ngx_conf_check_num_bounds(ngx_conf_t *cf, void *post, void *data) |
| { |
| ngx_conf_num_bounds_t *bounds = post; |
| ngx_int_t *np = data; |
| |
| if (bounds->high == -1) { |
| if (*np >= bounds->low) { |
| return NGX_CONF_OK; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "value must be equal to or greater than %i", |
| bounds->low); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| if (*np >= bounds->low && *np <= bounds->high) { |
| return NGX_CONF_OK; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "value must be between %i and %i", |
| bounds->low, bounds->high); |
| |
| return NGX_CONF_ERROR; |
| } |
