diff options
Diffstat (limited to 'app/nginx/src/core/ngx_file.c')
| -rw-r--r-- | app/nginx/src/core/ngx_file.c | 1127 |
1 files changed, 0 insertions, 1127 deletions
diff --git a/app/nginx/src/core/ngx_file.c b/app/nginx/src/core/ngx_file.c deleted file mode 100644 index b7dd4bc..0000000 --- a/app/nginx/src/core/ngx_file.c +++ /dev/null @@ -1,1127 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> - - -static ngx_int_t ngx_test_full_name(ngx_str_t *name); - - -static ngx_atomic_t temp_number = 0; -ngx_atomic_t *ngx_temp_number = &temp_number; -ngx_atomic_int_t ngx_random_number = 123456; - - -ngx_int_t -ngx_get_full_name(ngx_pool_t *pool, ngx_str_t *prefix, ngx_str_t *name) -{ - size_t len; - u_char *p, *n; - ngx_int_t rc; - - rc = ngx_test_full_name(name); - - if (rc == NGX_OK) { - return rc; - } - - len = prefix->len; - -#if (NGX_WIN32) - - if (rc == 2) { - len = rc; - } - -#endif - - n = ngx_pnalloc(pool, len + name->len + 1); - if (n == NULL) { - return NGX_ERROR; - } - - p = ngx_cpymem(n, prefix->data, len); - ngx_cpystrn(p, name->data, name->len + 1); - - name->len += len; - name->data = n; - - return NGX_OK; -} - - -static ngx_int_t -ngx_test_full_name(ngx_str_t *name) -{ -#if (NGX_WIN32) - u_char c0, c1; - - c0 = name->data[0]; - - if (name->len < 2) { - if (c0 == '/') { - return 2; - } - - return NGX_DECLINED; - } - - c1 = name->data[1]; - - if (c1 == ':') { - c0 |= 0x20; - - if ((c0 >= 'a' && c0 <= 'z')) { - return NGX_OK; - } - - return NGX_DECLINED; - } - - if (c1 == '/') { - return NGX_OK; - } - - if (c0 == '/') { - return 2; - } - - return NGX_DECLINED; - -#else - - if (name->data[0] == '/') { - return NGX_OK; - } - - return NGX_DECLINED; - -#endif -} - - -ssize_t -ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain) -{ - ngx_int_t rc; - - if (tf->file.fd == NGX_INVALID_FILE) { - rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool, - tf->persistent, tf->clean, tf->access); - - if (rc != NGX_OK) { - return rc; - } - - if (tf->log_level) { - ngx_log_error(tf->log_level, tf->file.log, 0, "%s %V", - tf->warn, &tf->file.name); - } - } - -#if (NGX_THREADS && NGX_HAVE_PWRITEV) - - if (tf->thread_write) { - return ngx_thread_write_chain_to_file(&tf->file, chain, tf->offset, - tf->pool); - } - -#endif - - return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool); -} - - -ngx_int_t -ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool, - ngx_uint_t persistent, ngx_uint_t clean, ngx_uint_t access) -{ - size_t levels; - u_char *p; - uint32_t n; - ngx_err_t err; - ngx_str_t name; - ngx_uint_t prefix; - ngx_pool_cleanup_t *cln; - ngx_pool_cleanup_file_t *clnf; - - if (file->name.len) { - name = file->name; - levels = 0; - prefix = 1; - - } else { - name = path->name; - levels = path->len; - prefix = 0; - } - - file->name.len = name.len + 1 + levels + 10; - - file->name.data = ngx_pnalloc(pool, file->name.len + 1); - if (file->name.data == NULL) { - return NGX_ERROR; - } - -#if 0 - for (i = 0; i < file->name.len; i++) { - file->name.data[i] = 'X'; - } -#endif - - p = ngx_cpymem(file->name.data, name.data, name.len); - - if (prefix) { - *p = '.'; - } - - p += 1 + levels; - - n = (uint32_t) ngx_next_temp_number(0); - - cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)); - if (cln == NULL) { - return NGX_ERROR; - } - - for ( ;; ) { - (void) ngx_sprintf(p, "%010uD%Z", n); - - if (!prefix) { - ngx_create_hashed_filename(path, file->name.data, file->name.len); - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, - "hashed path: %s", file->name.data); - - file->fd = ngx_open_tempfile(file->name.data, persistent, access); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, - "temp fd:%d", file->fd); - - if (file->fd != NGX_INVALID_FILE) { - - cln->handler = clean ? ngx_pool_delete_file : ngx_pool_cleanup_file; - clnf = cln->data; - - clnf->fd = file->fd; - clnf->name = file->name.data; - clnf->log = pool->log; - - return NGX_OK; - } - - err = ngx_errno; - - if (err == NGX_EEXIST_FILE) { - n = (uint32_t) ngx_next_temp_number(1); - continue; - } - - if ((path->level[0] == 0) || (err != NGX_ENOPATH)) { - ngx_log_error(NGX_LOG_CRIT, file->log, err, - ngx_open_tempfile_n " \"%s\" failed", - file->name.data); - return NGX_ERROR; - } - - if (ngx_create_path(file, path) == NGX_ERROR) { - return NGX_ERROR; - } - } -} - - -void -ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len) -{ - size_t i, level; - ngx_uint_t n; - - i = path->name.len + 1; - - file[path->name.len + path->len] = '/'; - - for (n = 0; n < NGX_MAX_PATH_LEVEL; n++) { - level = path->level[n]; - - if (level == 0) { - break; - } - - len -= level; - file[i - 1] = '/'; - ngx_memcpy(&file[i], &file[len], level); - i += level + 1; - } -} - - -ngx_int_t -ngx_create_path(ngx_file_t *file, ngx_path_t *path) -{ - size_t pos; - ngx_err_t err; - ngx_uint_t i; - - pos = path->name.len; - - for (i = 0; i < NGX_MAX_PATH_LEVEL; i++) { - if (path->level[i] == 0) { - break; - } - - pos += path->level[i] + 1; - - file->name.data[pos] = '\0'; - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, - "temp file: \"%s\"", file->name.data); - - if (ngx_create_dir(file->name.data, 0700) == NGX_FILE_ERROR) { - err = ngx_errno; - if (err != NGX_EEXIST) { - ngx_log_error(NGX_LOG_CRIT, file->log, err, - ngx_create_dir_n " \"%s\" failed", - file->name.data); - return NGX_ERROR; - } - } - - file->name.data[pos] = '/'; - } - - return NGX_OK; -} - - -ngx_err_t -ngx_create_full_path(u_char *dir, ngx_uint_t access) -{ - u_char *p, ch; - ngx_err_t err; - - err = 0; - -#if (NGX_WIN32) - p = dir + 3; -#else - p = dir + 1; -#endif - - for ( /* void */ ; *p; p++) { - ch = *p; - - if (ch != '/') { - continue; - } - - *p = '\0'; - - if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) { - err = ngx_errno; - - switch (err) { - case NGX_EEXIST: - err = 0; - case NGX_EACCES: - break; - - default: - return err; - } - } - - *p = '/'; - } - - return err; -} - - -ngx_atomic_uint_t -ngx_next_temp_number(ngx_uint_t collision) -{ - ngx_atomic_uint_t n, add; - - add = collision ? ngx_random_number : 1; - - n = ngx_atomic_fetch_add(ngx_temp_number, add); - - return n + add; -} - - -char * -ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - char *p = conf; - - ssize_t level; - ngx_str_t *value; - ngx_uint_t i, n; - ngx_path_t *path, **slot; - - slot = (ngx_path_t **) (p + cmd->offset); - - if (*slot) { - return "is duplicate"; - } - - path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t)); - if (path == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - path->name = value[1]; - - if (path->name.data[path->name.len - 1] == '/') { - path->name.len--; - } - - if (ngx_conf_full_name(cf->cycle, &path->name, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - - path->conf_file = cf->conf_file->file.name.data; - path->line = cf->conf_file->line; - - for (i = 0, n = 2; n < cf->args->nelts; i++, n++) { - level = ngx_atoi(value[n].data, value[n].len); - if (level == NGX_ERROR || level == 0) { - return "invalid value"; - } - - path->level[i] = level; - path->len += level + 1; - } - - if (path->len > 10 + i) { - return "invalid value"; - } - - *slot = path; - - if (ngx_add_path(cf, slot) == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -char * -ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path, ngx_path_t *prev, - ngx_path_init_t *init) -{ - ngx_uint_t i; - - if (*path) { - return NGX_CONF_OK; - } - - if (prev) { - *path = prev; - return NGX_CONF_OK; - } - - *path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t)); - if (*path == NULL) { - return NGX_CONF_ERROR; - } - - (*path)->name = init->name; - - if (ngx_conf_full_name(cf->cycle, &(*path)->name, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - - for (i = 0; i < NGX_MAX_PATH_LEVEL; i++) { - (*path)->level[i] = init->level[i]; - (*path)->len += init->level[i] + (init->level[i] ? 1 : 0); - } - - if (ngx_add_path(cf, path) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -char * -ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - char *confp = conf; - - u_char *p; - ngx_str_t *value; - ngx_uint_t i, right, shift, *access, user; - - access = (ngx_uint_t *) (confp + cmd->offset); - - if (*access != NGX_CONF_UNSET_UINT) { - return "is duplicate"; - } - - value = cf->args->elts; - - *access = 0; - user = 0600; - - for (i = 1; i < cf->args->nelts; i++) { - - p = value[i].data; - - if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) { - shift = 6; - p += sizeof("user:") - 1; - user = 0; - - } else if (ngx_strncmp(p, "group:", sizeof("group:") - 1) == 0) { - shift = 3; - p += sizeof("group:") - 1; - - } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) { - shift = 0; - p += sizeof("all:") - 1; - - } else { - goto invalid; - } - - if (ngx_strcmp(p, "rw") == 0) { - right = 6; - - } else if (ngx_strcmp(p, "r") == 0) { - right = 4; - - } else { - goto invalid; - } - - *access |= right << shift; - } - - *access |= user; - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]); - - return NGX_CONF_ERROR; -} - - -ngx_int_t -ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot) -{ - ngx_uint_t i, n; - ngx_path_t *path, **p; - - path = *slot; - - p = cf->cycle->paths.elts; - for (i = 0; i < cf->cycle->paths.nelts; i++) { - if (p[i]->name.len == path->name.len - && ngx_strcmp(p[i]->name.data, path->name.data) == 0) - { - if (p[i]->data != path->data) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the same path name \"%V\" " - "used in %s:%ui and", - &p[i]->name, p[i]->conf_file, p[i]->line); - return NGX_ERROR; - } - - for (n = 0; n < NGX_MAX_PATH_LEVEL; n++) { - if (p[i]->level[n] != path->level[n]) { - if (path->conf_file == NULL) { - if (p[i]->conf_file == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "the default path name \"%V\" has " - "the same name as another default path, " - "but the different levels, you need to " - "redefine one of them in http section", - &p[i]->name); - return NGX_ERROR; - } - - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "the path name \"%V\" in %s:%ui has " - "the same name as default path, but " - "the different levels, you need to " - "define default path in http section", - &p[i]->name, p[i]->conf_file, p[i]->line); - return NGX_ERROR; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the same path name \"%V\" in %s:%ui " - "has the different levels than", - &p[i]->name, p[i]->conf_file, p[i]->line); - return NGX_ERROR; - } - - if (p[i]->level[n] == 0) { - break; - } - } - - *slot = p[i]; - - return NGX_OK; - } - } - - p = ngx_array_push(&cf->cycle->paths); - if (p == NULL) { - return NGX_ERROR; - } - - *p = path; - - return NGX_OK; -} - - -ngx_int_t -ngx_create_paths(ngx_cycle_t *cycle, ngx_uid_t user) -{ - ngx_err_t err; - ngx_uint_t i; - ngx_path_t **path; - - path = cycle->paths.elts; - for (i = 0; i < cycle->paths.nelts; i++) { - - if (ngx_create_dir(path[i]->name.data, 0700) == NGX_FILE_ERROR) { - err = ngx_errno; - if (err != NGX_EEXIST) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, err, - ngx_create_dir_n " \"%s\" failed", - path[i]->name.data); - return NGX_ERROR; - } - } - - if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) { - continue; - } - -#if !(NGX_WIN32) - { - ngx_file_info_t fi; - - if (ngx_file_info((const char *) path[i]->name.data, &fi) - == NGX_FILE_ERROR) - { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - ngx_file_info_n " \"%s\" failed", path[i]->name.data); - return NGX_ERROR; - } - - if (fi.st_uid != user) { - if (chown((const char *) path[i]->name.data, user, -1) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "chown(\"%s\", %d) failed", - path[i]->name.data, user); - return NGX_ERROR; - } - } - - if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR)) - != (S_IRUSR|S_IWUSR|S_IXUSR)) - { - fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR); - - if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) { - ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, - "chmod() \"%s\" failed", path[i]->name.data); - return NGX_ERROR; - } - } - } -#endif - } - - return NGX_OK; -} - - -ngx_int_t -ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext) -{ - u_char *name; - ngx_err_t err; - ngx_copy_file_t cf; - -#if !(NGX_WIN32) - - if (ext->access) { - if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_change_file_access_n " \"%s\" failed", src->data); - err = 0; - goto failed; - } - } - -#endif - - if (ext->time != -1) { - if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) { - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", src->data); - err = 0; - goto failed; - } - } - - if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - err = ngx_errno; - - if (err == NGX_ENOPATH) { - - if (!ext->create_path) { - goto failed; - } - - err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access)); - - if (err) { - ngx_log_error(NGX_LOG_CRIT, ext->log, err, - ngx_create_dir_n " \"%s\" failed", to->data); - err = 0; - goto failed; - } - - if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - err = ngx_errno; - } - -#if (NGX_WIN32) - - if (err == NGX_EEXIST || err == NGX_EEXIST_FILE) { - err = ngx_win32_rename_file(src, to, ext->log); - - if (err == 0) { - return NGX_OK; - } - } - -#endif - - if (err == NGX_EXDEV) { - - cf.size = -1; - cf.buf_size = 0; - cf.access = ext->access; - cf.time = ext->time; - cf.log = ext->log; - - name = ngx_alloc(to->len + 1 + 10 + 1, ext->log); - if (name == NULL) { - return NGX_ERROR; - } - - (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data, - (uint32_t) ngx_next_temp_number(0)); - - if (ngx_copy_file(src->data, name, &cf) == NGX_OK) { - - if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) { - ngx_free(name); - - if (ngx_delete_file(src->data) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_delete_file_n " \"%s\" failed", - src->data); - return NGX_ERROR; - } - - return NGX_OK; - } - - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_rename_file_n " \"%s\" to \"%s\" failed", - name, to->data); - - if (ngx_delete_file(name) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_delete_file_n " \"%s\" failed", name); - - } - } - - ngx_free(name); - - err = 0; - } - -failed: - - if (ext->delete_file) { - if (ngx_delete_file(src->data) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno, - ngx_delete_file_n " \"%s\" failed", src->data); - } - } - - if (err) { - ngx_log_error(NGX_LOG_CRIT, ext->log, err, - ngx_rename_file_n " \"%s\" to \"%s\" failed", - src->data, to->data); - } - - return NGX_ERROR; -} - - -ngx_int_t -ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf) -{ - char *buf; - off_t size; - size_t len; - ssize_t n; - ngx_fd_t fd, nfd; - ngx_int_t rc; - ngx_file_info_t fi; - - rc = NGX_ERROR; - buf = NULL; - nfd = NGX_INVALID_FILE; - - fd = ngx_open_file(from, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); - - if (fd == NGX_INVALID_FILE) { - ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno, - ngx_open_file_n " \"%s\" failed", from); - goto failed; - } - - if (cf->size != -1) { - size = cf->size; - - } else { - if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_fd_info_n " \"%s\" failed", from); - - goto failed; - } - - size = ngx_file_size(&fi); - } - - len = cf->buf_size ? cf->buf_size : 65536; - - if ((off_t) len > size) { - len = (size_t) size; - } - - buf = ngx_alloc(len, cf->log); - if (buf == NULL) { - goto failed; - } - - nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN, - cf->access); - - if (nfd == NGX_INVALID_FILE) { - ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno, - ngx_open_file_n " \"%s\" failed", to); - goto failed; - } - - while (size > 0) { - - if ((off_t) len > size) { - len = (size_t) size; - } - - n = ngx_read_fd(fd, buf, len); - - if (n == -1) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_read_fd_n " \"%s\" failed", from); - goto failed; - } - - if ((size_t) n != len) { - ngx_log_error(NGX_LOG_ALERT, cf->log, 0, - ngx_read_fd_n " has read only %z of %O from %s", - n, size, from); - goto failed; - } - - n = ngx_write_fd(nfd, buf, len); - - if (n == -1) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_write_fd_n " \"%s\" failed", to); - goto failed; - } - - if ((size_t) n != len) { - ngx_log_error(NGX_LOG_ALERT, cf->log, 0, - ngx_write_fd_n " has written only %z of %O to %s", - n, size, to); - goto failed; - } - - size -= n; - } - - if (cf->time != -1) { - if (ngx_set_file_time(to, nfd, cf->time) != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", to); - goto failed; - } - } - - rc = NGX_OK; - -failed: - - if (nfd != NGX_INVALID_FILE) { - if (ngx_close_file(nfd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", to); - } - } - - if (fd != NGX_INVALID_FILE) { - if (ngx_close_file(fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", from); - } - } - - if (buf) { - ngx_free(buf); - } - - return rc; -} - - -/* - * ctx->init_handler() - see ctx->alloc - * ctx->file_handler() - file handler - * ctx->pre_tree_handler() - handler is called before entering directory - * ctx->post_tree_handler() - handler is called after leaving directory - * ctx->spec_handler() - special (socket, FIFO, etc.) file handler - * - * ctx->data - some data structure, it may be the same on all levels, or - * reallocated if ctx->alloc is nonzero - * - * ctx->alloc - a size of data structure that is allocated at every level - * and is initialized by ctx->init_handler() - * - * ctx->log - a log - * - * on fatal (memory) error handler must return NGX_ABORT to stop walking tree - */ - -ngx_int_t -ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree) -{ - void *data, *prev; - u_char *p, *name; - size_t len; - ngx_int_t rc; - ngx_err_t err; - ngx_str_t file, buf; - ngx_dir_t dir; - - ngx_str_null(&buf); - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "walk tree \"%V\"", tree); - - if (ngx_open_dir(tree, &dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, - ngx_open_dir_n " \"%s\" failed", tree->data); - return NGX_ERROR; - } - - prev = ctx->data; - - if (ctx->alloc) { - data = ngx_alloc(ctx->alloc, ctx->log); - if (data == NULL) { - goto failed; - } - - if (ctx->init_handler(data, prev) == NGX_ABORT) { - goto failed; - } - - ctx->data = data; - - } else { - data = NULL; - } - - for ( ;; ) { - - ngx_set_errno(0); - - if (ngx_read_dir(&dir) == NGX_ERROR) { - err = ngx_errno; - - if (err == NGX_ENOMOREFILES) { - rc = NGX_OK; - - } else { - ngx_log_error(NGX_LOG_CRIT, ctx->log, err, - ngx_read_dir_n " \"%s\" failed", tree->data); - rc = NGX_ERROR; - } - - goto done; - } - - len = ngx_de_namelen(&dir); - name = ngx_de_name(&dir); - - ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree name %uz:\"%s\"", len, name); - - if (len == 1 && name[0] == '.') { - continue; - } - - if (len == 2 && name[0] == '.' && name[1] == '.') { - continue; - } - - file.len = tree->len + 1 + len; - - if (file.len + NGX_DIR_MASK_LEN > buf.len) { - - if (buf.len) { - ngx_free(buf.data); - } - - buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN; - - buf.data = ngx_alloc(buf.len + 1, ctx->log); - if (buf.data == NULL) { - goto failed; - } - } - - p = ngx_cpymem(buf.data, tree->data, tree->len); - *p++ = '/'; - ngx_memcpy(p, name, len + 1); - - file.data = buf.data; - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree path \"%s\"", file.data); - - if (!dir.valid_info) { - if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, - ngx_de_info_n " \"%s\" failed", file.data); - continue; - } - } - - if (ngx_de_is_file(&dir)) { - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree file \"%s\"", file.data); - - ctx->size = ngx_de_size(&dir); - ctx->fs_size = ngx_de_fs_size(&dir); - ctx->access = ngx_de_access(&dir); - ctx->mtime = ngx_de_mtime(&dir); - - if (ctx->file_handler(ctx, &file) == NGX_ABORT) { - goto failed; - } - - } else if (ngx_de_is_dir(&dir)) { - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree enter dir \"%s\"", file.data); - - ctx->access = ngx_de_access(&dir); - ctx->mtime = ngx_de_mtime(&dir); - - rc = ctx->pre_tree_handler(ctx, &file); - - if (rc == NGX_ABORT) { - goto failed; - } - - if (rc == NGX_DECLINED) { - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree skip dir \"%s\"", file.data); - continue; - } - - if (ngx_walk_tree(ctx, &file) == NGX_ABORT) { - goto failed; - } - - ctx->access = ngx_de_access(&dir); - ctx->mtime = ngx_de_mtime(&dir); - - if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) { - goto failed; - } - - } else { - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, - "tree special \"%s\"", file.data); - - if (ctx->spec_handler(ctx, &file) == NGX_ABORT) { - goto failed; - } - } - } - -failed: - - rc = NGX_ABORT; - -done: - - if (buf.len) { - ngx_free(buf.data); - } - - if (data) { - ngx_free(data); - ctx->data = prev; - } - - if (ngx_close_dir(&dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, - ngx_close_dir_n " \"%s\" failed", tree->data); - } - - return rc; -} |