From bf8c01bfcd015d43cfbcb893e48c6a83a95c91ec Mon Sep 17 00:00:00 2001 From: Ben Magistro Date: Sun, 17 Apr 2022 09:45:02 -0400 Subject: Drop nginx Nginx is not part of the core library being developed and needs to be moved to its own repository to allow it to be more easily maintained. Signed-off-by: Ben Magistro Change-Id: I5639e84ba0564ccd49ffcffa7ec9fcd57827bd6d --- app/nginx/src/http/modules/ngx_http_dav_module.c | 1159 ---------------------- 1 file changed, 1159 deletions(-) delete mode 100644 app/nginx/src/http/modules/ngx_http_dav_module.c (limited to 'app/nginx/src/http/modules/ngx_http_dav_module.c') diff --git a/app/nginx/src/http/modules/ngx_http_dav_module.c b/app/nginx/src/http/modules/ngx_http_dav_module.c deleted file mode 100644 index 895a52d..0000000 --- a/app/nginx/src/http/modules/ngx_http_dav_module.c +++ /dev/null @@ -1,1159 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include -#include -#include - - -#define NGX_HTTP_DAV_OFF 2 - - -#define NGX_HTTP_DAV_NO_DEPTH -3 -#define NGX_HTTP_DAV_INVALID_DEPTH -2 -#define NGX_HTTP_DAV_INFINITY_DEPTH -1 - - -typedef struct { - ngx_uint_t methods; - ngx_uint_t access; - ngx_uint_t min_delete_depth; - ngx_flag_t create_full_put_path; -} ngx_http_dav_loc_conf_t; - - -typedef struct { - ngx_str_t path; - size_t len; -} ngx_http_dav_copy_ctx_t; - - -static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r); - -static void ngx_http_dav_put_handler(ngx_http_request_t *r); - -static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r, - ngx_str_t *path, ngx_uint_t dir); -static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path); - -static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r, - ngx_http_dav_loc_conf_t *dlcf); - -static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, - ngx_str_t *path); -static ngx_int_t ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, - ngx_str_t *path); - -static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt); -static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, - ngx_int_t not_found, char *failed, u_char *path); -static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path); -static void *ngx_http_dav_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_dav_init(ngx_conf_t *cf); - - -static ngx_conf_bitmask_t ngx_http_dav_methods_mask[] = { - { ngx_string("off"), NGX_HTTP_DAV_OFF }, - { ngx_string("put"), NGX_HTTP_PUT }, - { ngx_string("delete"), NGX_HTTP_DELETE }, - { ngx_string("mkcol"), NGX_HTTP_MKCOL }, - { ngx_string("copy"), NGX_HTTP_COPY }, - { ngx_string("move"), NGX_HTTP_MOVE }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_dav_commands[] = { - - { ngx_string("dav_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_dav_loc_conf_t, methods), - &ngx_http_dav_methods_mask }, - - { ngx_string("create_full_put_path"), - 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_dav_loc_conf_t, create_full_put_path), - NULL }, - - { ngx_string("min_delete_depth"), - 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_dav_loc_conf_t, min_delete_depth), - NULL }, - - { ngx_string("dav_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_dav_loc_conf_t, access), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_dav_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_dav_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_dav_create_loc_conf, /* create location configuration */ - ngx_http_dav_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_dav_module = { - NGX_MODULE_V1, - &ngx_http_dav_module_ctx, /* module context */ - ngx_http_dav_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_int_t -ngx_http_dav_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_dav_loc_conf_t *dlcf; - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - if (!(r->method & dlcf->methods)) { - return NGX_DECLINED; - } - - switch (r->method) { - - case NGX_HTTP_PUT: - - if (r->uri.data[r->uri.len - 1] == '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "cannot PUT to a collection"); - return NGX_HTTP_CONFLICT; - } - - if (r->headers_in.content_range) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "PUT with range is unsupported"); - return NGX_HTTP_NOT_IMPLEMENTED; - } - - r->request_body_in_file_only = 1; - r->request_body_in_persistent_file = 1; - r->request_body_in_clean_file = 1; - r->request_body_file_group_access = 1; - r->request_body_file_log_level = 0; - - rc = ngx_http_read_client_request_body(r, ngx_http_dav_put_handler); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; - - case NGX_HTTP_DELETE: - - return ngx_http_dav_delete_handler(r); - - case NGX_HTTP_MKCOL: - - return ngx_http_dav_mkcol_handler(r, dlcf); - - case NGX_HTTP_COPY: - - return ngx_http_dav_copy_move_handler(r); - - case NGX_HTTP_MOVE: - - return ngx_http_dav_copy_move_handler(r); - } - - return NGX_DECLINED; -} - - -static void -ngx_http_dav_put_handler(ngx_http_request_t *r) -{ - size_t root; - time_t date; - ngx_str_t *temp, path; - ngx_uint_t status; - ngx_file_info_t fi; - ngx_ext_rename_file_t ext; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->request_body == NULL || r->request_body->temp_file == NULL) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - path.len--; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http put filename: \"%s\"", path.data); - - temp = &r->request_body->temp_file->file.name; - - if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) { - status = NGX_HTTP_CREATED; - - } else { - status = NGX_HTTP_NO_CONTENT; - - if (ngx_is_dir(&fi)) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR, - "\"%s\" could not be created", path.data); - - if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - ngx_delete_file_n " \"%s\" failed", - temp->data); - } - - ngx_http_finalize_request(r, NGX_HTTP_CONFLICT); - return; - } - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - ext.access = dlcf->access; - ext.path_access = dlcf->access; - ext.time = -1; - ext.create_path = dlcf->create_full_put_path; - ext.delete_file = 1; - ext.log = r->connection->log; - - if (r->headers_in.date) { - date = ngx_parse_http_time(r->headers_in.date->value.data, - r->headers_in.date->value.len); - - if (date != NGX_ERROR) { - ext.time = date; - ext.fd = r->request_body->temp_file->file.fd; - } - } - - if (ngx_ext_rename_file(temp, &path, &ext) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - if (status == NGX_HTTP_CREATED) { - if (ngx_http_dav_location(r, path.data) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - r->headers_out.content_length_n = 0; - } - - r->headers_out.status = status; - r->header_only = 1; - - ngx_http_finalize_request(r, ngx_http_send_header(r)); - return; -} - - -static ngx_int_t -ngx_http_dav_delete_handler(ngx_http_request_t *r) -{ - size_t root; - ngx_err_t err; - ngx_int_t rc, depth; - ngx_uint_t i, d, dir; - ngx_str_t path; - ngx_file_info_t fi; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->headers_in.content_length_n > 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "DELETE with body is unsupported"); - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - if (dlcf->min_delete_depth) { - d = 0; - - for (i = 0; i < r->uri.len; /* void */) { - if (r->uri.data[i++] == '/') { - if (++d >= dlcf->min_delete_depth && i < r->uri.len) { - goto ok; - } - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "insufficient URI depth:%i to DELETE", d); - return NGX_HTTP_CONFLICT; - } - -ok: - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http delete filename: \"%s\"", path.data); - - if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) { - err = ngx_errno; - - rc = (err == NGX_ENOTDIR) ? NGX_HTTP_CONFLICT : NGX_HTTP_NOT_FOUND; - - return ngx_http_dav_error(r->connection->log, err, - rc, ngx_link_info_n, path.data); - } - - if (ngx_is_dir(&fi)) { - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR, - "DELETE \"%s\" failed", path.data); - return NGX_HTTP_CONFLICT; - } - - depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH); - - if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - path.len -= 2; /* omit "/\0" */ - - dir = 1; - - } else { - - /* - * we do not need to test (r->uri.data[r->uri.len - 1] == '/') - * because ngx_link_info("/file/") returned NGX_ENOTDIR above - */ - - depth = ngx_http_dav_depth(r, 0); - - if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be 0 or infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - dir = 0; - } - - rc = ngx_http_dav_delete_path(r, &path, dir); - - if (rc == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - - return rc; -} - - -static ngx_int_t -ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir) -{ - char *failed; - ngx_tree_ctx_t tree; - - if (dir) { - - tree.init_handler = NULL; - tree.file_handler = ngx_http_dav_delete_file; - tree.pre_tree_handler = ngx_http_dav_noop; - tree.post_tree_handler = ngx_http_dav_delete_dir; - tree.spec_handler = ngx_http_dav_delete_file; - tree.data = NULL; - tree.alloc = 0; - tree.log = r->connection->log; - - /* TODO: 207 */ - - if (ngx_walk_tree(&tree, path) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - failed = ngx_delete_dir_n; - - } else { - - if (ngx_delete_file(path->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - failed = ngx_delete_file_n; - } - - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, failed, path->data); -} - - -static ngx_int_t -ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http delete dir: \"%s\"", path->data); - - if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) { - - /* TODO: add to 207 */ - - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n, - path->data); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http delete file: \"%s\"", path->data); - - if (ngx_delete_file(path->data) == NGX_FILE_ERROR) { - - /* TODO: add to 207 */ - - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n, - path->data); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf) -{ - u_char *p; - size_t root; - ngx_str_t path; - - if (r->headers_in.content_length_n > 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "MKCOL with body is unsupported"); - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "MKCOL can create a collection only"); - return NGX_HTTP_CONFLICT; - } - - p = ngx_http_map_uri_to_path(r, &path, &root, 0); - if (p == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - *(p - 1) = '\0'; - r->uri.len--; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http mkcol path: \"%s\"", path.data); - - if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access)) - != NGX_FILE_ERROR) - { - if (ngx_http_dav_location(r, path.data) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - return NGX_HTTP_CREATED; - } - - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_CONFLICT, ngx_create_dir_n, path.data); -} - - -static ngx_int_t -ngx_http_dav_copy_move_handler(ngx_http_request_t *r) -{ - u_char *p, *host, *last, ch; - size_t len, root; - ngx_err_t err; - ngx_int_t rc, depth; - ngx_uint_t overwrite, slash, dir, flags; - ngx_str_t path, uri, duri, args; - ngx_tree_ctx_t tree; - ngx_copy_file_t cf; - ngx_file_info_t fi; - ngx_table_elt_t *dest, *over; - ngx_ext_rename_file_t ext; - ngx_http_dav_copy_ctx_t copy; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->headers_in.content_length_n > 0) { - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - dest = r->headers_in.destination; - - if (dest == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent no \"Destination\" header"); - return NGX_HTTP_BAD_REQUEST; - } - - p = dest->value.data; - /* there is always '\0' even after empty header value */ - if (p[0] == '/') { - last = p + dest->value.len; - goto destination_done; - } - - len = r->headers_in.server.len; - - if (len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent no \"Host\" header"); - return NGX_HTTP_BAD_REQUEST; - } - -#if (NGX_HTTP_SSL) - - if (r->connection->ssl) { - if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1) - != 0) - { - goto invalid_destination; - } - - host = dest->value.data + sizeof("https://") - 1; - - } else -#endif - { - if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1) - != 0) - { - goto invalid_destination; - } - - host = dest->value.data + sizeof("http://") - 1; - } - - if (ngx_strncmp(host, r->headers_in.server.data, len) != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Destination\" URI \"%V\" is handled by " - "different repository than the source URI", - &dest->value); - return NGX_HTTP_BAD_REQUEST; - } - - last = dest->value.data + dest->value.len; - - for (p = host + len; p < last; p++) { - if (*p == '/') { - goto destination_done; - } - } - -invalid_destination: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Destination\" header: \"%V\"", - &dest->value); - return NGX_HTTP_BAD_REQUEST; - -destination_done: - - duri.len = last - p; - duri.data = p; - flags = NGX_HTTP_LOG_UNSAFE; - - if (ngx_http_parse_unsafe_uri(r, &duri, &args, &flags) != NGX_OK) { - goto invalid_destination; - } - - if ((r->uri.data[r->uri.len - 1] == '/' && *(last - 1) != '/') - || (r->uri.data[r->uri.len - 1] != '/' && *(last - 1) == '/')) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "both URI \"%V\" and \"Destination\" URI \"%V\" " - "should be either collections or non-collections", - &r->uri, &dest->value); - return NGX_HTTP_CONFLICT; - } - - depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH); - - if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - - if (r->method == NGX_HTTP_COPY) { - if (depth != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be 0 or infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - } else { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be infinity"); - return NGX_HTTP_BAD_REQUEST; - } - } - - over = r->headers_in.overwrite; - - if (over) { - if (over->value.len == 1) { - ch = over->value.data[0]; - - if (ch == 'T' || ch == 't') { - overwrite = 1; - goto overwrite_done; - } - - if (ch == 'F' || ch == 'f') { - overwrite = 0; - goto overwrite_done; - } - - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Overwrite\" header: \"%V\"", - &over->value); - return NGX_HTTP_BAD_REQUEST; - } - - overwrite = 1; - -overwrite_done: - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http copy from: \"%s\"", path.data); - - uri = r->uri; - r->uri = duri; - - if (ngx_http_map_uri_to_path(r, ©.path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - r->uri = uri; - - copy.path.len--; /* omit "\0" */ - - if (copy.path.data[copy.path.len - 1] == '/') { - slash = 1; - copy.path.len--; - copy.path.data[copy.path.len] = '\0'; - - } else { - slash = 0; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http copy to: \"%s\"", copy.path.data); - - if (ngx_link_info(copy.path.data, &fi) == NGX_FILE_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOENT) { - return ngx_http_dav_error(r->connection->log, err, - NGX_HTTP_NOT_FOUND, ngx_link_info_n, - copy.path.data); - } - - /* destination does not exist */ - - overwrite = 0; - dir = 0; - - } else { - - /* destination exists */ - - if (ngx_is_dir(&fi) && !slash) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"%V\" could not be %Ved to collection \"%V\"", - &r->uri, &r->method_name, &dest->value); - return NGX_HTTP_CONFLICT; - } - - if (!overwrite) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EEXIST, - "\"%s\" could not be created", copy.path.data); - return NGX_HTTP_PRECONDITION_FAILED; - } - - dir = ngx_is_dir(&fi); - } - - if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) { - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, ngx_link_info_n, - path.data); - } - - if (ngx_is_dir(&fi)) { - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"%V\" is collection", &r->uri); - return NGX_HTTP_BAD_REQUEST; - } - - if (overwrite) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http delete: \"%s\"", copy.path.data); - - rc = ngx_http_dav_delete_path(r, ©.path, dir); - - if (rc != NGX_OK) { - return rc; - } - } - } - - if (ngx_is_dir(&fi)) { - - path.len -= 2; /* omit "/\0" */ - - if (r->method == NGX_HTTP_MOVE) { - if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) { - return NGX_HTTP_CREATED; - } - } - - if (ngx_create_dir(copy.path.data, ngx_file_access(&fi)) - == NGX_FILE_ERROR) - { - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, - ngx_create_dir_n, copy.path.data); - } - - copy.len = path.len; - - tree.init_handler = NULL; - tree.file_handler = ngx_http_dav_copy_tree_file; - tree.pre_tree_handler = ngx_http_dav_copy_dir; - tree.post_tree_handler = ngx_http_dav_copy_dir_time; - tree.spec_handler = ngx_http_dav_noop; - tree.data = © - tree.alloc = 0; - tree.log = r->connection->log; - - if (ngx_walk_tree(&tree, &path) == NGX_OK) { - - if (r->method == NGX_HTTP_MOVE) { - rc = ngx_http_dav_delete_path(r, &path, 1); - - if (rc != NGX_OK) { - return rc; - } - } - - return NGX_HTTP_CREATED; - } - - } else { - - if (r->method == NGX_HTTP_MOVE) { - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - ext.access = 0; - ext.path_access = dlcf->access; - ext.time = -1; - ext.create_path = 1; - ext.delete_file = 0; - ext.log = r->connection->log; - - if (ngx_ext_rename_file(&path, ©.path, &ext) == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - cf.size = ngx_file_size(&fi); - cf.buf_size = 0; - cf.access = dlcf->access; - cf.time = ngx_file_mtime(&fi); - cf.log = r->connection->log; - - if (ngx_copy_file(path.data, copy.path.data, &cf) == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; -} - - -static ngx_int_t -ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *dir; - size_t len; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - dir = ngx_alloc(len + 1, ctx->log); - if (dir == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(dir, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir to: \"%s\"", dir); - - if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) { - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n, - dir); - } - - ngx_free(dir); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *dir; - size_t len; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir time: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - dir = ngx_alloc(len + 1, ctx->log); - if (dir == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(dir, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir time to: \"%s\"", dir); - -#if (NGX_WIN32) - { - ngx_fd_t fd; - - fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0); - - if (fd == NGX_INVALID_FILE) { - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir); - goto failed; - } - - if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", dir); - } - - if (ngx_close_file(fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", dir); - } - } - -failed: - -#else - - if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", dir); - } - -#endif - - ngx_free(dir); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *file; - size_t len; - ngx_copy_file_t cf; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy file: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - file = ngx_alloc(len + 1, ctx->log); - if (file == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(file, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy file to: \"%s\"", file); - - cf.size = ctx->size; - cf.buf_size = 0; - cf.access = ctx->access; - cf.time = ctx->mtime; - cf.log = ctx->log; - - (void) ngx_copy_file(path->data, file, &cf); - - ngx_free(file); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt) -{ - ngx_table_elt_t *depth; - - depth = r->headers_in.depth; - - if (depth == NULL) { - return dflt; - } - - if (depth->value.len == 1) { - - if (depth->value.data[0] == '0') { - return 0; - } - - if (depth->value.data[0] == '1') { - return 1; - } - - } else { - - if (depth->value.len == sizeof("infinity") - 1 - && ngx_strcmp(depth->value.data, "infinity") == 0) - { - return NGX_HTTP_DAV_INFINITY_DEPTH; - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Depth\" header: \"%V\"", - &depth->value); - - return NGX_HTTP_DAV_INVALID_DEPTH; -} - - -static ngx_int_t -ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found, - char *failed, u_char *path) -{ - ngx_int_t rc; - ngx_uint_t level; - - if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) { - level = NGX_LOG_ERR; - rc = not_found; - - } else if (err == NGX_EACCES || err == NGX_EPERM) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - - } else if (err == NGX_EEXIST) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_ALLOWED; - - } else if (err == NGX_ENOSPC) { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INSUFFICIENT_STORAGE; - - } else { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path); - - return rc; -} - - -static ngx_int_t -ngx_http_dav_location(ngx_http_request_t *r, u_char *path) -{ - u_char *location; - ngx_http_core_loc_conf_t *clcf; - - r->headers_out.location = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.location == NULL) { - return NGX_ERROR; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!clcf->alias && clcf->root_lengths == NULL) { - location = path + clcf->root.len; - - } else { - location = ngx_pnalloc(r->pool, r->uri.len); - if (location == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(location, r->uri.data, r->uri.len); - } - - r->headers_out.location->hash = 1; - ngx_str_set(&r->headers_out.location->key, "Location"); - r->headers_out.location->value.len = r->uri.len; - r->headers_out.location->value.data = location; - - return NGX_OK; -} - - -static void * -ngx_http_dav_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_dav_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_dav_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->methods = 0; - */ - - conf->min_delete_depth = NGX_CONF_UNSET_UINT; - conf->access = NGX_CONF_UNSET_UINT; - conf->create_full_put_path = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_dav_loc_conf_t *prev = parent; - ngx_http_dav_loc_conf_t *conf = child; - - ngx_conf_merge_bitmask_value(conf->methods, prev->methods, - (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF)); - - ngx_conf_merge_uint_value(conf->min_delete_depth, - prev->min_delete_depth, 0); - - ngx_conf_merge_uint_value(conf->access, prev->access, 0600); - - ngx_conf_merge_value(conf->create_full_put_path, - prev->create_full_put_path, 0); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_dav_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_dav_handler; - - return NGX_OK; -} -- cgit 1.2.3-korg