# HG changeset patch # User Igor Sysoev # Date 1171628185 0 # Node ID 6fcce6c4019ae110dc7564485059e9e8163b4d21 # Parent f07a5f4017d9c27949527db09b35e03617d1500b COPY and MOVE fix PUT and DELETE to conform to WebDAV specification diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c --- a/src/http/modules/ngx_http_dav_module.c +++ b/src/http/modules/ngx_http_dav_module.c @@ -9,7 +9,15 @@ #include -#define NGX_HTTP_DAV_OFF 2 +#define NGX_HTTP_DAV_COPY_BLOCK 65536 + +#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; @@ -18,13 +26,35 @@ typedef struct { } 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_no_init(void *ctx, void *prev); static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path); 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 void ngx_http_dav_put_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_dav_error(ngx_http_request_t *, ngx_err_t err, + +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_file(ngx_tree_ctx_t *ctx, ngx_str_t *path); + +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_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 char *ngx_http_dav_access(ngx_conf_t *cf, ngx_command_t *cmd, @@ -40,6 +70,8 @@ static ngx_conf_bitmask_t ngx_http_dav_ { 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 } }; @@ -105,13 +137,7 @@ ngx_module_t ngx_http_dav_module = { static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r) { - char *failed; - size_t root; ngx_int_t rc; - ngx_str_t path; - ngx_tree_ctx_t tree; - ngx_file_info_t fi; - ngx_table_elt_t *depth; ngx_http_dav_loc_conf_t *dlcf; /* TODO: Win32 */ @@ -149,165 +175,25 @@ ngx_http_dav_handler(ngx_http_request_t case NGX_HTTP_DELETE: - if (r->headers_in.content_length_n > 0) { - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - rc = ngx_http_discard_body(r); - - if (rc != NGX_OK && rc != NGX_AGAIN) { - return rc; - } - - ngx_http_map_uri_to_path(r, &path, &root, 0); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http delete filename: \"%s\"", path.data); - - if (ngx_file_info(path.data, &fi) != -1) { - - if (ngx_is_dir(&fi)) { - - if (r->uri.data[r->uri.len - 1] != '/') { - return NGX_HTTP_BAD_REQUEST; - } - - depth = r->headers_in.depth; - - if (depth - && (depth->value.len != sizeof("infinity") - 1 - || ngx_strcmp(depth->value.data, "infinity") != 0)) - { - return NGX_HTTP_BAD_REQUEST; - } - - path.len -= 2; - - tree.init_handler = ngx_http_dav_no_init; - 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; - - if (ngx_walk_tree(&tree, &path) == NGX_OK) { - - if (ngx_delete_dir(path.data) != NGX_FILE_ERROR) { - return NGX_HTTP_NO_CONTENT; - } - - } - - failed = ngx_delete_dir_n; - - } else { - - if (r->uri.data[r->uri.len - 1] == '/') { - return NGX_HTTP_BAD_REQUEST; - } - - depth = r->headers_in.depth; - - if (depth - && depth->value.len == 1 - && depth->value.data[0] == '1') - { - return NGX_HTTP_BAD_REQUEST; - } - - if (ngx_delete_file(path.data) != NGX_FILE_ERROR) { - return NGX_HTTP_NO_CONTENT; - } - - failed = ngx_delete_file_n; - } - - } else { - failed = ngx_file_info_n; - } - - return ngx_http_dav_error(r, ngx_errno, NGX_HTTP_NOT_FOUND, failed, - path.data); + return ngx_http_dav_delete_handler(r); case NGX_HTTP_MKCOL: - if (r->uri.data[r->uri.len - 1] != '/') { - return NGX_DECLINED; - } - - if (r->headers_in.content_length_n > 0) { - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } + return ngx_http_dav_mkcol_handler(r, dlcf); - rc = ngx_http_discard_body(r); - - if (rc != NGX_OK && rc != NGX_AGAIN) { - return rc; - } - - ngx_http_map_uri_to_path(r, &path, &root, 0); + case NGX_HTTP_COPY: - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http mkcol path: \"%s\"", path.data); + return ngx_http_dav_copy_move_handler(r); - 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; - } + case NGX_HTTP_MOVE: - return NGX_HTTP_CREATED; - } - - return ngx_http_dav_error(r, ngx_errno, NGX_HTTP_CONFLICT, - ngx_create_dir_n, path.data); + return ngx_http_dav_copy_move_handler(r); } return NGX_DECLINED; } -static ngx_int_t -ngx_http_dav_no_init(void *ctx, void *prev) -{ - 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_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); - - ngx_delete_dir(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); - - ngx_delete_file(path->data); - - return NGX_OK; -} - - static void ngx_http_dav_put_handler(ngx_http_request_t *r) { @@ -317,7 +203,7 @@ ngx_http_dav_put_handler(ngx_http_reques time_t date; ngx_err_t err; ngx_str_t *temp, path; - ngx_uint_t status; + ngx_uint_t status, not_found; ngx_file_info_t fi; ngx_http_dav_loc_conf_t *dlcf; @@ -357,6 +243,7 @@ ngx_http_dav_put_handler(ngx_http_reques == NGX_FILE_ERROR) { err = ngx_errno; + not_found = NGX_HTTP_INTERNAL_SERVER_ERROR; failed = ngx_change_file_access_n; name = temp->data; @@ -375,6 +262,7 @@ ngx_http_dav_put_handler(ngx_http_reques != NGX_OK) { err = ngx_errno; + not_found = NGX_HTTP_INTERNAL_SERVER_ERROR; failed = ngx_set_file_time_n; name = temp->data; @@ -383,6 +271,7 @@ ngx_http_dav_put_handler(ngx_http_reques } } + not_found = NGX_HTTP_CONFLICT; failed = ngx_rename_file_n; name = path.data; @@ -431,7 +320,8 @@ failed: } ngx_http_finalize_request(r, - ngx_http_dav_error(r, err, NGX_HTTP_CONFLICT, failed, name)); + ngx_http_dav_error(r->connection->log, err, + not_found, failed, name)); return; @@ -455,7 +345,700 @@ ok: static ngx_int_t -ngx_http_dav_error(ngx_http_request_t *r, ngx_err_t err, ngx_int_t not_found, +ngx_http_dav_delete_handler(ngx_http_request_t *r) +{ + size_t root; + ngx_int_t rc, depth; + ngx_uint_t dir; + ngx_str_t path; + ngx_file_info_t fi; + + if (r->headers_in.content_length_n > 0) { + return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; + } + + rc = ngx_http_discard_body(r); + + if (rc != NGX_OK && rc != NGX_AGAIN) { + return rc; + } + + ngx_http_map_uri_to_path(r, &path, &root, 0); + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http delete filename: \"%s\"", path.data); + + if (ngx_file_info(path.data, &fi) == -1) { + return ngx_http_dav_error(r->connection->log, ngx_errno, + NGX_HTTP_NOT_FOUND, ngx_file_info_n, + path.data); + } + + if (ngx_is_dir(&fi)) { + + if (r->uri.data[r->uri.len - 1] != '/') { + /* TODO: 301 */ + return NGX_HTTP_BAD_REQUEST; + } + + depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH); + + if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) { + return NGX_HTTP_BAD_REQUEST; + } + + path.len -= 2; /* omit "/\0" */ + + dir = 1; + + } else { + + depth = ngx_http_dav_depth(r, 0); + + if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) { + 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_no_init(void *ctx, void *prev) +{ + 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_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_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf) +{ + size_t root; + ngx_int_t rc; + ngx_str_t path; + + if (r->headers_in.content_length_n > 0) { + return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; + } + + rc = ngx_http_discard_body(r); + + if (rc != NGX_OK && rc != NGX_AGAIN) { + return rc; + } + + ngx_http_map_uri_to_path(r, &path, &root, 0); + + 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_BAD_REQUEST, 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 root; + ngx_err_t err; + ngx_int_t rc, depth; + ngx_uint_t overwrite, slash; + ngx_str_t path, uri; + ngx_tree_ctx_t tree; + ngx_file_info_t fi; + ngx_table_elt_t *dest, *over; + ngx_http_dav_copy_ctx_t copy; + + 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; + } + + if (dest->value.len < sizeof("http://") - 1 + r->server_name.len + 1) { + goto invalid_destination; + } + +#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->server_name.data, r->server_name.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 + r->server_name.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: + + depth = ngx_http_dav_depth(r, 0); + + if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) { + 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: + + rc = ngx_http_discard_body(r); + + if (rc != NGX_OK && rc != NGX_AGAIN) { + return rc; + } + + ngx_http_map_uri_to_path(r, &path, &root, 0); + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http copy from: \"%s\"", path.data); + + uri = r->uri; + + r->uri.len = last - p; + r->uri.data = p; + + ngx_http_map_uri_to_path(r, ©.path, &root, 0); + + 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_file_info(copy.path.data, &fi) == -1) { + err = ngx_errno; + + if (err != NGX_ENOENT) { + return ngx_http_dav_error(r->connection->log, err, + NGX_HTTP_NOT_FOUND, ngx_file_info_n, + copy.path.data); + } + + /* destination does not exist */ + + } else { + + /* destination exists */ + + if (ngx_is_dir(&fi) && !slash) { + return NGX_HTTP_CONFLICT; + } + + if (!overwrite) { + return NGX_HTTP_PRECONDITION_FAILED; + } + + 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, ngx_is_dir(&fi)); + + if (rc != NGX_OK) { + return rc; + } + } + + if (ngx_file_info(path.data, &fi) == -1) { + return ngx_http_dav_error(r->connection->log, ngx_errno, + NGX_HTTP_NOT_FOUND, ngx_file_info_n, + path.data); + } + + + if (ngx_is_dir(&fi)) { + + if (r->uri.data[r->uri.len - 1] != '/') { + /* TODO: 301 */ + return NGX_HTTP_BAD_REQUEST; + } + + 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 = ngx_http_dav_no_init; + tree.file_handler = ngx_http_dav_copy_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 (dest->value.data[dest->value.len - 1] == '/') { + return NGX_HTTP_BAD_REQUEST; + } + + if (r->method == NGX_HTTP_MOVE) { + if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) { + return NGX_HTTP_NO_CONTENT; + } + } + + tree.data = © + tree.log = r->connection->log; + + if (ngx_http_dav_copy_file(&tree, &path) != NGX_FILE_ERROR) { + + if (r->method == NGX_HTTP_MOVE) { + rc = ngx_http_dav_delete_path(r, &path, 0); + + if (rc != NGX_OK) { + return rc; + } + } + + 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; +#if (WIN32) + ngx_fd_t fd; +#endif + + 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 (WIN32) + + 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_file(ngx_tree_ctx_t *ctx, ngx_str_t *path) +{ + u_char *p, *file; + size_t len; + off_t size; + ssize_t n; + ngx_fd_t fd, copy_fd; + ngx_http_dav_copy_ctx_t *copy; + u_char buf[NGX_HTTP_DAV_COPY_BLOCK]; + + 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); + + fd = ngx_open_file(path->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); + + if (fd == NGX_INVALID_FILE) { + (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, + path->data); + goto failed; + } + + copy_fd = ngx_open_file(file, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN, + ctx->access); + + if (copy_fd == NGX_INVALID_FILE) { + (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, + file); + goto copy_failed; + } + + for (size = ctx->size; size > 0; size -= n) { + + n = ngx_read_fd(fd, buf, NGX_HTTP_DAV_COPY_BLOCK); + + if (n == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, + ngx_read_fd_n " \"%s\" failed", path->data); + break; + } + + if (ngx_write_fd(copy_fd, buf, n) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, + ngx_write_fd_n " \"%s\" failed", file); + } + } + + if (ngx_set_file_time(file, copy_fd, ctx->mtime) != NGX_OK) { + ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, + ngx_set_file_time_n " \"%s\" failed", file); + } + + if (ngx_close_file(copy_fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", file); + } + +copy_failed: + + if (ngx_close_file(fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", path->data); + } + +failed: + + ngx_free(file); + + return NGX_OK; +} + + +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 = ngx_http_dav_no_init; + 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_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; @@ -482,8 +1065,7 @@ ngx_http_dav_error(ngx_http_request_t *r rc = NGX_HTTP_INTERNAL_SERVER_ERROR; } - ngx_log_error(level, r->connection->log, err, - "%s \"%s\" failed", failed, path); + ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path); return rc; }