diff options
Diffstat (limited to 'src/mod_webdav.c')
-rw-r--r-- | src/mod_webdav.c | 2688 |
1 files changed, 0 insertions, 2688 deletions
diff --git a/src/mod_webdav.c b/src/mod_webdav.c deleted file mode 100644 index 49de74a5..00000000 --- a/src/mod_webdav.c +++ /dev/null @@ -1,2688 +0,0 @@ -#include <sys/types.h> -#include <sys/stat.h> -#include <ctype.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <assert.h> - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#if defined(HAVE_LIBXML_H) && defined(HAVE_SQLITE3_H) -#define USE_PROPPATCH -#include <libxml/tree.h> -#include <libxml/parser.h> - -#include <sqlite3.h> -#endif - -#if defined(HAVE_LIBXML_H) && defined(HAVE_SQLITE3_H) && defined(HAVE_UUID_H) -#define USE_LOCKS -#include <uuid/uuid.h> -#endif - -#include "base.h" -#include "log.h" -#include "buffer.h" -#include "response.h" - -#include "plugin.h" - -#include "stream.h" -#include "stat_cache.h" - -#include "sys-files.h" -#include "sys-mmap.h" -#include "sys-strings.h" - -/** - * this is a webdav for a lighttpd plugin - * - * at least a very basic one. - * - for now it is read-only and we only support PROPFIND - * - */ -#ifdef _WIN32 -#define WEBDAV_FILE_MODE _S_IREAD | _S_IWRITE -#define WEBDAV_DIR_MODE _S_IREAD | _S_IWRITE -#else -#define WEBDAV_FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH -#define WEBDAV_DIR_MODE S_IRWXU | S_IRWXG | S_IRWXO -#endif - -/* plugin config for all request/connections */ - -typedef struct { - unsigned short enabled; - unsigned short is_readonly; - unsigned short log_xml; - - buffer *sqlite_db_name; -#ifdef USE_PROPPATCH - sqlite3 *sql; - sqlite3_stmt *stmt_update_prop; - sqlite3_stmt *stmt_delete_prop; - sqlite3_stmt *stmt_select_prop; - sqlite3_stmt *stmt_select_propnames; - - sqlite3_stmt *stmt_delete_uri; - sqlite3_stmt *stmt_move_uri; - sqlite3_stmt *stmt_copy_uri; - - sqlite3_stmt *stmt_remove_lock; - sqlite3_stmt *stmt_create_lock; - sqlite3_stmt *stmt_read_lock; - sqlite3_stmt *stmt_read_lock_by_uri; - sqlite3_stmt *stmt_refresh_lock; -#endif -} plugin_config; - -typedef struct { - PLUGIN_DATA; - - buffer *tmp_buf; - request_uri uri; - physical physical; - - plugin_config **config_storage; - - plugin_config conf; -} plugin_data; - -/* init the plugin data */ -INIT_FUNC(mod_webdav_init) { - plugin_data *p; - - UNUSED(srv); - - p = calloc(1, sizeof(*p)); - - p->tmp_buf = buffer_init(); - - p->uri.scheme = buffer_init(); - p->uri.path_raw = buffer_init(); - p->uri.path = buffer_init(); - p->uri.authority = buffer_init(); - - p->physical.path = buffer_init(); - p->physical.rel_path = buffer_init(); - p->physical.doc_root = buffer_init(); - p->physical.basedir = buffer_init(); - - return p; -} - -/* detroy the plugin data */ -FREE_FUNC(mod_webdav_free) { - plugin_data *p = p_d; - - UNUSED(srv); - - if (!p) return HANDLER_GO_ON; - - if (p->config_storage) { - size_t i; - for (i = 0; i < srv->config_context->used; i++) { - plugin_config *s = p->config_storage[i]; - - if (!s) continue; - - buffer_free(s->sqlite_db_name); -#ifdef USE_PROPPATCH - if (s->sql) { - sqlite3_finalize(s->stmt_delete_prop); - sqlite3_finalize(s->stmt_delete_uri); - sqlite3_finalize(s->stmt_copy_uri); - sqlite3_finalize(s->stmt_move_uri); - sqlite3_finalize(s->stmt_update_prop); - sqlite3_finalize(s->stmt_select_prop); - sqlite3_finalize(s->stmt_select_propnames); - - sqlite3_finalize(s->stmt_read_lock); - sqlite3_finalize(s->stmt_read_lock_by_uri); - sqlite3_finalize(s->stmt_create_lock); - sqlite3_finalize(s->stmt_remove_lock); - sqlite3_finalize(s->stmt_refresh_lock); - sqlite3_close(s->sql); - } -#endif - free(s); - } - free(p->config_storage); - } - - buffer_free(p->uri.scheme); - buffer_free(p->uri.path_raw); - buffer_free(p->uri.path); - buffer_free(p->uri.authority); - - buffer_free(p->physical.path); - buffer_free(p->physical.rel_path); - buffer_free(p->physical.doc_root); - buffer_free(p->physical.basedir); - - buffer_free(p->tmp_buf); - - free(p); - - return HANDLER_GO_ON; -} - -/* handle plugin config and check values */ - -SETDEFAULTS_FUNC(mod_webdav_set_defaults) { - plugin_data *p = p_d; - size_t i = 0; - - config_values_t cv[] = { - { "webdav.activate", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 0 */ - { "webdav.is-readonly", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 1 */ - { "webdav.sqlite-db-name", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 2 */ - { "webdav.log-xml", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 3 */ - { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } - }; - - if (!p) return HANDLER_ERROR; - - p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *)); - - for (i = 0; i < srv->config_context->used; i++) { - plugin_config *s; - - s = calloc(1, sizeof(plugin_config)); - s->sqlite_db_name = buffer_init(); - - cv[0].destination = &(s->enabled); - cv[1].destination = &(s->is_readonly); - cv[2].destination = s->sqlite_db_name; - cv[3].destination = &(s->log_xml); - - p->config_storage[i] = s; - - if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) { - return HANDLER_ERROR; - } - - if (!buffer_is_empty(s->sqlite_db_name)) { -#ifdef USE_PROPPATCH - const char *next_stmt; - char *err; - - if (SQLITE_OK != sqlite3_open(s->sqlite_db_name->ptr, &(s->sql))) { - log_error_write(srv, __FILE__, __LINE__, "sbs", "sqlite3_open failed for", - s->sqlite_db_name, - sqlite3_errmsg(s->sql)); - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_exec(s->sql, - "CREATE TABLE properties (" - " resource TEXT NOT NULL," - " prop TEXT NOT NULL," - " ns TEXT NOT NULL," - " value TEXT NOT NULL," - " PRIMARY KEY(resource, prop, ns))", - NULL, NULL, &err)) { - - if (0 != strcmp(err, "table properties already exists")) { - log_error_write(srv, __FILE__, __LINE__, "ss", "can't open transaction:", err); - sqlite3_free(err); - - return HANDLER_ERROR; - } - sqlite3_free(err); - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("SELECT value FROM properties WHERE resource = ? AND prop = ? AND ns = ?"), - &(s->stmt_select_prop), &next_stmt)) { - /* prepare failed */ - - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed:", sqlite3_errmsg(s->sql)); - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("SELECT ns, prop FROM properties WHERE resource = ?"), - &(s->stmt_select_propnames), &next_stmt)) { - /* prepare failed */ - - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed:", sqlite3_errmsg(s->sql)); - return HANDLER_ERROR; - } - - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("REPLACE INTO properties (resource, prop, ns, value) VALUES (?, ?, ?, ?)"), - &(s->stmt_update_prop), &next_stmt)) { - /* prepare failed */ - - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed:", sqlite3_errmsg(s->sql)); - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("DELETE FROM properties WHERE resource = ? AND prop = ? AND ns = ?"), - &(s->stmt_delete_prop), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("DELETE FROM properties WHERE resource = ?"), - &(s->stmt_delete_uri), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("INSERT INTO properties SELECT ?, prop, ns, value FROM properties WHERE resource = ?"), - &(s->stmt_copy_uri), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("UPDATE properties SET resource = ? WHERE resource = ?"), - &(s->stmt_move_uri), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - /* LOCKS */ - - if (SQLITE_OK != sqlite3_exec(s->sql, - "CREATE TABLE locks (" - " locktoken TEXT NOT NULL," - " resource TEXT NOT NULL," - " lockscope TEXT NOT NULL," - " locktype TEXT NOT NULL," - " owner TEXT NOT NULL," - " depth INT NOT NULL," - " timeout TIMESTAMP NOT NULL," - " PRIMARY KEY(locktoken))", - NULL, NULL, &err)) { - - if (0 != strcmp(err, "table locks already exists")) { - log_error_write(srv, __FILE__, __LINE__, "ss", "can't open transaction:", err); - sqlite3_free(err); - - return HANDLER_ERROR; - } - sqlite3_free(err); - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("INSERT INTO locks (locktoken, resource, lockscope, locktype, owner, depth, timeout) VALUES (?,?,?,?,?,?, CURRENT_TIME + 600)"), - &(s->stmt_create_lock), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("DELETE FROM locks WHERE locktoken = ?"), - &(s->stmt_remove_lock), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("SELECT locktoken, resource, lockscope, locktype, owner, depth, timeout FROM locks WHERE locktoken = ?"), - &(s->stmt_read_lock), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("SELECT locktoken, resource, lockscope, locktype, owner, depth, timeout FROM locks WHERE resource = ?"), - &(s->stmt_read_lock_by_uri), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - if (SQLITE_OK != sqlite3_prepare(s->sql, - CONST_STR_LEN("UPDATE locks SET timeout = CURRENT_TIME + 600 WHERE locktoken = ?"), - &(s->stmt_refresh_lock), &next_stmt)) { - /* prepare failed */ - log_error_write(srv, __FILE__, __LINE__, "ss", "sqlite3_prepare failed", sqlite3_errmsg(s->sql)); - - return HANDLER_ERROR; - } - - -#else - log_error_write(srv, __FILE__, __LINE__, "s", "Sorry, no sqlite3 and libxml2 support include, compile with --with-webdav-props"); - return HANDLER_ERROR; -#endif - } - } - - return HANDLER_GO_ON; -} - -static int mod_webdav_patch_connection(server *srv, connection *con, plugin_data *p) { - size_t i, j; - plugin_config *s = p->config_storage[0]; - - PATCH_OPTION(enabled); - PATCH_OPTION(is_readonly); - PATCH_OPTION(log_xml); - -#ifdef USE_PROPPATCH - PATCH_OPTION(sql); - PATCH_OPTION(stmt_update_prop); - PATCH_OPTION(stmt_delete_prop); - PATCH_OPTION(stmt_select_prop); - PATCH_OPTION(stmt_select_propnames); - - PATCH_OPTION(stmt_delete_uri); - PATCH_OPTION(stmt_move_uri); - PATCH_OPTION(stmt_copy_uri); - - PATCH_OPTION(stmt_remove_lock); - PATCH_OPTION(stmt_refresh_lock); - PATCH_OPTION(stmt_create_lock); - PATCH_OPTION(stmt_read_lock); - PATCH_OPTION(stmt_read_lock_by_uri); -#endif - /* skip the first, the global context */ - for (i = 1; i < srv->config_context->used; i++) { - data_config *dc = (data_config *)srv->config_context->data[i]; - s = p->config_storage[i]; - - /* condition didn't match */ - if (!config_check_cond(srv, con, dc)) continue; - - /* merge config */ - for (j = 0; j < dc->value->used; j++) { - data_unset *du = dc->value->data[j]; - - if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.activate"))) { - PATCH_OPTION(enabled); - } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.is-readonly"))) { - PATCH_OPTION(is_readonly); - } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.log-xml"))) { - PATCH_OPTION(log_xml); - } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.sqlite-db-name"))) { -#ifdef USE_PROPPATCH - PATCH_OPTION(sql); - PATCH_OPTION(stmt_update_prop); - PATCH_OPTION(stmt_delete_prop); - PATCH_OPTION(stmt_select_prop); - PATCH_OPTION(stmt_select_propnames); - - PATCH_OPTION(stmt_delete_uri); - PATCH_OPTION(stmt_move_uri); - PATCH_OPTION(stmt_copy_uri); - - PATCH_OPTION(stmt_remove_lock); - PATCH_OPTION(stmt_refresh_lock); - PATCH_OPTION(stmt_create_lock); - PATCH_OPTION(stmt_read_lock); - PATCH_OPTION(stmt_read_lock_by_uri); -#endif - } - } - } - - return 0; -} - -URIHANDLER_FUNC(mod_webdav_uri_handler) { - plugin_data *p = p_d; - - if (buffer_is_empty(con->uri.path)) return HANDLER_GO_ON; - - mod_webdav_patch_connection(srv, con, p); - - if (!p->conf.enabled) { - if (con->conf.log_request_handling) { - TRACE("-- skipping %s in mod_webdav, not enabled", - SAFE_BUF_STR(con->uri.path)); - } - - return HANDLER_GO_ON; - } - - if (con->conf.log_request_handling) { - TRACE("-- handling request in mod_webdav: %s", - SAFE_BUF_STR(con->uri.path)); - } - - switch (con->request.http_method) { - case HTTP_METHOD_OPTIONS: - /* we fake a little bit but it makes MS W2k happy and it let's us mount the volume */ - response_header_overwrite(srv, con, CONST_STR_LEN("DAV"), CONST_STR_LEN("1,2")); - response_header_overwrite(srv, con, CONST_STR_LEN("MS-Author-Via"), CONST_STR_LEN("DAV")); - - if (p->conf.is_readonly) { - response_header_insert(srv, con, CONST_STR_LEN("Allow"), CONST_STR_LEN("PROPFIND")); - } else { - response_header_insert(srv, con, CONST_STR_LEN("Allow"), CONST_STR_LEN("PROPFIND, DELETE, MKCOL, PUT, MOVE, COPY, PROPPATCH, LOCK, UNLOCK")); - } - - if (con->conf.log_request_handling) { - TRACE("sending OPTIONS response for: %s", - SAFE_BUF_STR(con->uri.path)); - } - - break; - default: - break; - } - - return HANDLER_GO_ON; -} - -PHYSICALPATH_FUNC(mod_webdav_physical_handler) { - plugin_data *p = p_d; - - if (con->mode != DIRECT) return HANDLER_GO_ON; - - mod_webdav_patch_connection(srv, con, p); - - if (!p->conf.enabled) { - if (con->conf.log_request_handling) { - TRACE("-- skipping %s in mod_webdav, not enabled", - SAFE_BUF_STR(con->uri.path)); - } - - return HANDLER_GO_ON; - } - - if (con->conf.log_request_handling) { - TRACE("-- handling request in mod_webdav: %s", - SAFE_BUF_STR(con->uri.path)); - } - - /* physical path is setup */ - if (con->physical.path->used == 0) { - TRACE("-- missing con->physical.path: %s", - SAFE_BUF_STR(con->uri.path)); - return HANDLER_GO_ON; - } - - switch (con->request.http_method) { - case HTTP_METHOD_OPTIONS: - /* already handled */ - break; - case HTTP_METHOD_PROPFIND: - case HTTP_METHOD_MKCOL: - case HTTP_METHOD_DELETE: - case HTTP_METHOD_PUT: - case HTTP_METHOD_MOVE: - case HTTP_METHOD_COPY: - case HTTP_METHOD_PROPPATCH: - case HTTP_METHOD_LOCK: - case HTTP_METHOD_UNLOCK: - con->mode = p->id; - return HANDLER_FINISHED; - default: break; - } - - return HANDLER_GO_ON; -} - - -static int webdav_gen_prop_tag(server *srv, connection *con, - char *prop_name, - char *prop_ns, - char *value, - buffer *b) { - - UNUSED(srv); - UNUSED(con); - - if (value) { - buffer_append_string_len(b,CONST_STR_LEN("<")); - buffer_append_string(b, prop_name); - buffer_append_string_len(b, CONST_STR_LEN(" xmlns=\"")); - buffer_append_string(b, prop_ns); - buffer_append_string_len(b, CONST_STR_LEN("\">")); - - buffer_append_string(b, value); - - buffer_append_string_len(b,CONST_STR_LEN("</")); - buffer_append_string(b, prop_name); - buffer_append_string_len(b, CONST_STR_LEN(">")); - } else { - buffer_append_string_len(b,CONST_STR_LEN("<")); - buffer_append_string(b, prop_name); - buffer_append_string_len(b, CONST_STR_LEN(" xmlns=\"")); - buffer_append_string(b, prop_ns); - buffer_append_string_len(b, CONST_STR_LEN("\"/>")); - } - - return 0; -} - - -static int webdav_gen_response_status_tag(server *srv, connection *con, physical *dst, int status, buffer *b) { - UNUSED(srv); - - buffer_append_string_len(b,CONST_STR_LEN("<D:response xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\">\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:href>\n")); - buffer_append_string_buffer(b, dst->rel_path); - buffer_append_string_len(b,CONST_STR_LEN("</D:href>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:status>\n")); - - if (con->request.http_version == HTTP_VERSION_1_1) { - buffer_copy_string_len(b, CONST_STR_LEN("HTTP/1.1 ")); - } else { - buffer_copy_string_len(b, CONST_STR_LEN("HTTP/1.0 ")); - } - buffer_append_long(b, status); - buffer_append_string_len(b, CONST_STR_LEN(" ")); - buffer_append_string(b, get_http_status_name(status)); - - buffer_append_string_len(b,CONST_STR_LEN("</D:status>\n")); - buffer_append_string_len(b,CONST_STR_LEN("</D:response>\n")); - - return 0; -} - -static int webdav_delete_file(server *srv, connection *con, plugin_data *p, physical *dst, buffer *b) { - int status = 0; - - UNUSED(p); - - /* try to unlink it */ - if (-1 == unlink(dst->path->ptr)) { - switch(errno) { - case EACCES: - case EPERM: - /* 403 */ - status = 403; - break; - default: - status = 501; - break; - } - webdav_gen_response_status_tag(srv, con, dst, status, b); - } else { -#ifdef USE_PROPPATCH - sqlite3_stmt *stmt = p->conf.stmt_delete_uri; - - if (stmt) { - sqlite3_reset(stmt); - - /* bind the values to the insert */ - - sqlite3_bind_text(stmt, 1, - dst->rel_path->ptr, - dst->rel_path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - /* */ - } - } -#endif - } - - return (status != 0); -} - -static int webdav_delete_dir(server *srv, connection *con, plugin_data *p, physical *dst, buffer *b) { - DIR *dir; - int have_multi_status = 0; - physical d; - - d.path = buffer_init(); - d.rel_path = buffer_init(); - - if (NULL != (dir = opendir(dst->path->ptr))) { - struct dirent *de; - - while(NULL != (de = readdir(dir))) { - struct stat st; - int status = 0; - - if ((de->d_name[0] == '.' && de->d_name[1] == '\0') || - (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == '\0')) { - continue; - /* ignore the parent dir */ - } - - buffer_copy_string_buffer(d.path, dst->path); - PATHNAME_APPEND_SLASH(d.path); - buffer_append_string(d.path, de->d_name); - - buffer_copy_string_buffer(d.rel_path, dst->rel_path); - PATHNAME_APPEND_SLASH(d.rel_path); - buffer_append_string(d.rel_path, de->d_name); - - /* stat and unlink afterwards */ - if (-1 == stat(d.path->ptr, &st)) { - /* don't about it yet, rmdir will fail too */ - } else if (S_ISDIR(st.st_mode)) { - have_multi_status = webdav_delete_dir(srv, con, p, &d, b); - - /* try to unlink it */ - if (-1 == rmdir(d.path->ptr)) { - switch(errno) { - case EACCES: - case EPERM: - /* 403 */ - status = 403; - break; - default: - status = 501; - break; - } - have_multi_status = 1; - - webdav_gen_response_status_tag(srv, con, &d, status, b); - } else { -#ifdef USE_PROPPATCH - sqlite3_stmt *stmt = p->conf.stmt_delete_uri; - - status = 0; - - if (stmt) { - sqlite3_reset(stmt); - - /* bind the values to the insert */ - - sqlite3_bind_text(stmt, 1, - d.rel_path->ptr, - d.rel_path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - /* */ - } - } -#endif - } - } else { - have_multi_status = webdav_delete_file(srv, con, p, &d, b); - } - } - closedir(dir); - - buffer_free(d.path); - buffer_free(d.rel_path); - } - - return have_multi_status; -} - -static int webdav_copy_file(server *srv, connection *con, plugin_data *p, physical *src, physical *dst, int overwrite) { - stream s; - int status = 0, ofd; - - UNUSED(con); - UNUSED(srv); - UNUSED(p); - - if (stream_open(&s, src->path)) { - return 403; - } - - if (-1 == (ofd = open(dst->path->ptr, O_WRONLY|O_TRUNC|O_CREAT|(overwrite ? 0 : O_EXCL), WEBDAV_FILE_MODE))) { - /* opening the destination failed for some reason */ - switch(errno) { - case EEXIST: - status = 412; - break; - case EISDIR: - status = 409; - break; - case ENOENT: - /* at least one part in the middle wasn't existing */ - status = 409; - break; - default: - status = 403; - break; - } - stream_close(&s); - return status; - } - - if (-1 == write(ofd, s.start, s.size)) { - switch(errno) { - case ENOSPC: - status = 507; - break; - default: - status = 403; - break; - } - } - - stream_close(&s); - close(ofd); - -#ifdef USE_PROPPATCH - if (0 == status) { - /* copy worked fine, copy connected properties */ - sqlite3_stmt *stmt = p->conf.stmt_copy_uri; - - if (stmt) { - sqlite3_reset(stmt); - - /* bind the values to the insert */ - sqlite3_bind_text(stmt, 1, - dst->rel_path->ptr, - dst->rel_path->used - 1, - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 2, - src->rel_path->ptr, - src->rel_path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - /* */ - } - } - } -#endif - return status; -} - -static int webdav_copy_dir(server *srv, connection *con, plugin_data *p, physical *src, physical *dst, int overwrite) { - DIR *srcdir; - int status = 0; - - if (NULL != (srcdir = opendir(src->path->ptr))) { - struct dirent *de; - physical s, d; - - s.path = buffer_init(); - s.rel_path = buffer_init(); - - d.path = buffer_init(); - d.rel_path = buffer_init(); - - while (NULL != (de = readdir(srcdir))) { - struct stat st; - - if ((de->d_name[0] == '.' && de->d_name[1] == '\0') || - (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == '\0')) { - continue; - } - - buffer_copy_string_buffer(s.path, src->path); - PATHNAME_APPEND_SLASH(s.path); - buffer_append_string(s.path, de->d_name); - - buffer_copy_string_buffer(d.path, dst->path); - PATHNAME_APPEND_SLASH(d.path); - buffer_append_string(d.path, de->d_name); - - buffer_copy_string_buffer(s.rel_path, src->rel_path); - PATHNAME_APPEND_SLASH(s.rel_path); - buffer_append_string(s.rel_path, de->d_name); - - buffer_copy_string_buffer(d.rel_path, dst->rel_path); - PATHNAME_APPEND_SLASH(d.rel_path); - buffer_append_string(d.rel_path, de->d_name); - - if (-1 == stat(s.path->ptr, &st)) { - /* why ? */ - } else if (S_ISDIR(st.st_mode)) { - /* a directory */ - if (-1 == mkdir(d.path->ptr, WEBDAV_DIR_MODE) && - errno != EEXIST) { - /* WTH ? */ - } else { -#ifdef USE_PROPPATCH - sqlite3_stmt *stmt = p->conf.stmt_copy_uri; - - if (0 != (status = webdav_copy_dir(srv, con, p, &s, &d, overwrite))) { - break; - } - /* directory is copied, copy the properties too */ - - if (stmt) { - sqlite3_reset(stmt); - - /* bind the values to the insert */ - sqlite3_bind_text(stmt, 1, - dst->rel_path->ptr, - dst->rel_path->used - 1, - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 2, - src->rel_path->ptr, - src->rel_path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - /* */ - } - } -#endif - } - } else if (S_ISREG(st.st_mode)) { - /* a plain file */ - if (0 != (status = webdav_copy_file(srv, con, p, &s, &d, overwrite))) { - break; - } - } - } - - buffer_free(s.path); - buffer_free(s.rel_path); - buffer_free(d.path); - buffer_free(d.rel_path); - - closedir(srcdir); - } - - return status; -} - -static int webdav_get_live_property(server *srv, connection *con, plugin_data *p, physical *dst, char *prop_name, buffer *b) { - stat_cache_entry *sce = NULL; - int found = 0; - - UNUSED(p); - - if (HANDLER_ERROR != (stat_cache_get_entry(srv, con, dst->path, &sce))) { - char ctime_buf[] = "2005-08-18T07:27:16Z"; - char mtime_buf[] = "Thu, 18 Aug 2005 07:27:16 GMT"; - size_t k; - - if (0 == strcmp(prop_name, "resourcetype")) { - if (S_ISDIR(sce->st.st_mode)) { - buffer_append_string_len(b, CONST_STR_LEN("<D:resourcetype><D:collection/></D:resourcetype>")); - found = 1; - } - } else if (0 == strcmp(prop_name, "getcontenttype")) { - if (S_ISDIR(sce->st.st_mode)) { - buffer_append_string_len(b, CONST_STR_LEN("<D:getcontenttype>httpd/unix-directory</D:getcontenttype>")); - found = 1; - } else if(S_ISREG(sce->st.st_mode)) { - for (k = 0; k < con->conf.mimetypes->used; k++) { - data_string *ds = (data_string *)con->conf.mimetypes->data[k]; - - if (ds->key->used == 0) continue; - - if (buffer_is_equal_right_len(dst->path, ds->key, ds->key->used - 1)) { - buffer_append_string_len(b,CONST_STR_LEN("<D:getcontenttype>")); - buffer_append_string_buffer(b, ds->value); - buffer_append_string_len(b, CONST_STR_LEN("</D:getcontenttype>")); - found = 1; - - break; - } - } - } - } else if (0 == strcmp(prop_name, "creationdate")) { - buffer_append_string_len(b, CONST_STR_LEN("<D:creationdate ns0:dt=\"dateTime.tz\">")); - strftime(ctime_buf, sizeof(ctime_buf), "%Y-%m-%dT%H:%M:%SZ", gmtime(&(sce->st.st_ctime))); - buffer_append_string(b, ctime_buf); - buffer_append_string_len(b, CONST_STR_LEN("</D:creationdate>")); - found = 1; - } else if (0 == strcmp(prop_name, "getlastmodified")) { - buffer_append_string_len(b,CONST_STR_LEN("<D:getlastmodified ns0:dt=\"dateTime.rfc1123\">")); - strftime(mtime_buf, sizeof(mtime_buf), "%a, %d %b %Y %H:%M:%S GMT", gmtime(&(sce->st.st_mtime))); - buffer_append_string(b, mtime_buf); - buffer_append_string_len(b, CONST_STR_LEN("</D:getlastmodified>")); - found = 1; - } else if (0 == strcmp(prop_name, "getcontentlength")) { - buffer_append_string_len(b,CONST_STR_LEN("<D:getcontentlength>")); - buffer_append_off_t(b, sce->st.st_size); - buffer_append_string_len(b, CONST_STR_LEN("</D:getcontentlength>")); - found = 1; - } else if (0 == strcmp(prop_name, "getcontentlanguage")) { - buffer_append_string_len(b,CONST_STR_LEN("<D:getcontentlanguage>")); - buffer_append_string_len(b, CONST_STR_LEN("en")); - buffer_append_string_len(b, CONST_STR_LEN("</D:getcontentlanguage>")); - found = 1; - } - } - - return found ? 0 : -1; -} - -static int webdav_get_property(server *srv, connection *con, plugin_data *p, physical *dst, char *prop_name, char *prop_ns, buffer *b) { - if (0 == strcmp(prop_ns, "DAV:")) { - /* a local 'live' property */ - return webdav_get_live_property(srv, con, p, dst, prop_name, b); - } else { - int found = 0; -#ifdef USE_PROPPATCH - sqlite3_stmt *stmt = p->conf.stmt_select_prop; - - if (stmt) { - /* perhaps it is in sqlite3 */ - sqlite3_reset(stmt); - - /* bind the values to the insert */ - - sqlite3_bind_text(stmt, 1, - dst->rel_path->ptr, - dst->rel_path->used - 1, - SQLITE_TRANSIENT); - sqlite3_bind_text(stmt, 2, - prop_name, - strlen(prop_name), - SQLITE_TRANSIENT); - sqlite3_bind_text(stmt, 3, - prop_ns, - strlen(prop_ns), - SQLITE_TRANSIENT); - - /* it is the PK */ - while (SQLITE_ROW == sqlite3_step(stmt)) { - /* there is a row for us, we only expect a single col 'value' */ - webdav_gen_prop_tag(srv, con, prop_name, prop_ns, (char *)sqlite3_column_text(stmt, 0), b); - found = 1; - } - } -#endif - return found ? 0 : -1; - } - - /* not found */ - return -1; -} - -typedef struct { - char *ns; - char *prop; -} webdav_property; - -webdav_property live_properties[] = { - { "DAV:", "creationdate" }, - { "DAV:", "displayname" }, - { "DAV:", "getcontentlanguage" }, - { "DAV:", "getcontentlength" }, - { "DAV:", "getcontenttype" }, - { "DAV:", "getetag" }, - { "DAV:", "getlastmodified" }, - { "DAV:", "resourcetype" }, - { "DAV:", "lockdiscovery" }, - { "DAV:", "source" }, - { "DAV:", "supportedlock" }, - - { NULL, NULL } -}; - -typedef struct { - webdav_property **ptr; - - size_t used; - size_t size; -} webdav_properties; - -static int webdav_get_props(server *srv, connection *con, plugin_data *p, physical *dst, webdav_properties *props, buffer *b_200, buffer *b_404) { - size_t i; - - if (props) { - for (i = 0; i < props->used; i++) { - webdav_property *prop; - - prop = props->ptr[i]; - - if (0 != webdav_get_property(srv, con, p, - dst, prop->prop, prop->ns, b_200)) { - webdav_gen_prop_tag(srv, con, prop->prop, prop->ns, NULL, b_404); - } - } - } else { - for (i = 0; live_properties[i].prop; i++) { - /* a local 'live' property */ - webdav_get_live_property(srv, con, p, dst, live_properties[i].prop, b_200); - } - } - - return 0; -} - -#ifdef USE_PROPPATCH -static int webdav_parse_chunkqueue(server *srv, connection *con, plugin_data *p, chunkqueue *cq, xmlDoc **ret_xml) { - xmlParserCtxtPtr ctxt; - xmlDoc *xml; - int res = 0; - int err; - - chunk *c; - - UNUSED(con); - - /* read the chunks in to the XML document */ - ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL); - - for (c = cq->first; cq->bytes_out != cq->bytes_in; c = cq->first) { - size_t weWant = cq->bytes_out - cq->bytes_in; - size_t weHave; - - switch(c->type) { - case FILE_CHUNK: - weHave = c->file.length - c->offset; - - if (weHave > weWant) weHave = weWant; - - /* xml chunks are always memory, mmap() is our friend */ - if (c->file.mmap.start == MAP_FAILED) { - if (-1 == c->file.fd && /* open the file if not already open */ - -1 == (c->file.fd = open(c->file.name->ptr, O_RDONLY))) { - ERROR("open(%s) failed: %s", SAFE_BUF_STR(c->file.name), strerror(errno)); - - return -1; - } - - if (MAP_FAILED == (c->file.mmap.start = mmap(0, c->file.length, PROT_READ, MAP_SHARED, c->file.fd, 0))) { - ERROR("mmap(%s) failed: %s", SAFE_BUF_STR(c->file.name), strerror(errno)); - - return -1; - } - - close(c->file.fd); - c->file.fd = -1; - - c->file.mmap.length = c->file.length; - - /* chunk_reset() or chunk_free() will cleanup for us */ - } - - if (XML_ERR_OK != (err = xmlParseChunk(ctxt, c->file.mmap.start + c->offset, weHave, 0))) { - ERROR("xmlParseChunk() failed: %d", err); - log_error_write(srv, __FILE__, __LINE__, "sddd", "xmlParseChunk failed at:", cq->bytes_out, weHave, err); - } - - c->offset += weHave; - cq->bytes_out += weHave; - - break; - case MEM_CHUNK: - /* append to the buffer */ - weHave = c->mem->used - 1 - c->offset; - - if (weHave > weWant) weHave = weWant; - - if (p->conf.log_xml) { - TRACE("XML-request-body: %s", c->mem->ptr + c->offset); - } - - if (XML_ERR_OK != (err = xmlParseChunk(ctxt, c->mem->ptr + c->offset, weHave, 0))) { - ERROR("xmlParseChunk(%s) failed: %d", c->mem->ptr + c->offset, err); - } - - c->offset += weHave; - cq->bytes_out += weHave; - - break; - case UNUSED_CHUNK: - break; - } - chunkqueue_remove_finished_chunks(cq); - } - - switch ((err = xmlParseChunk(ctxt, 0, 0, 1))) { - case XML_ERR_DOCUMENT_END: - case XML_ERR_OK: - break; - default: - ERROR("xmlParseChunk() failed: %d", err); - break; - } - - xml = ctxt->myDoc; - res = ctxt->wellFormed; - xmlFreeParserCtxt(ctxt); - - if (res == 0) { - xmlFreeDoc(xml); - } else { - *ret_xml = xml; - } - - return res; -} -#endif - -#ifdef USE_LOCKS -static int webdav_lockdiscovery(server *srv, connection *con, - buffer *locktoken, const char *lockscope, const char *locktype, int depth) { - - buffer *b; - - response_header_overwrite(srv, con, CONST_STR_LEN("Lock-Token"), CONST_BUF_LEN(locktoken)); - - response_header_overwrite(srv, con, - CONST_STR_LEN("Content-Type"), - CONST_STR_LEN("text/xml; charset=\"utf-8\"")); - - b = chunkqueue_get_append_buffer(con->send); - - buffer_copy_string_len(b, CONST_STR_LEN("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:prop xmlns:D=\"DAV:\" xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\">\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:lockdiscovery>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:activelock>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:lockscope>")); - buffer_append_string_len(b,CONST_STR_LEN("<D:")); - buffer_append_string(b, lockscope); - buffer_append_string_len(b, CONST_STR_LEN("/>")); - buffer_append_string_len(b,CONST_STR_LEN("</D:lockscope>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:locktype>")); - buffer_append_string_len(b,CONST_STR_LEN("<D:")); - buffer_append_string(b, locktype); - buffer_append_string_len(b, CONST_STR_LEN("/>")); - buffer_append_string_len(b,CONST_STR_LEN("</D:locktype>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:depth>")); - buffer_append_string(b, depth == 0 ? "0" : "infinity"); - buffer_append_string_len(b,CONST_STR_LEN("</D:depth>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:timeout>")); - buffer_append_string_len(b, CONST_STR_LEN("Second-600")); - buffer_append_string_len(b,CONST_STR_LEN("</D:timeout>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:owner>")); - buffer_append_string_len(b,CONST_STR_LEN("</D:owner>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:locktoken>")); - buffer_append_string_len(b, CONST_STR_LEN("<D:href>")); - buffer_append_string_buffer(b, locktoken); - buffer_append_string_len(b, CONST_STR_LEN("</D:href>")); - buffer_append_string_len(b,CONST_STR_LEN("</D:locktoken>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("</D:activelock>\n")); - buffer_append_string_len(b,CONST_STR_LEN("</D:lockdiscovery>\n")); - buffer_append_string_len(b,CONST_STR_LEN("</D:prop>\n")); - - con->send->bytes_in += b->used-1; - - return 0; -} -#endif - -/** - * check if resource is having the right locks to access to resource - * - * - * - */ -static int webdav_has_lock(server *srv, connection *con, plugin_data *p, buffer *uri) { - int has_lock = 1; - -#ifdef USE_LOCKS - data_string *ds; - - UNUSED(srv); - - /** - * This implementation is more fake than real - * we need a parser for the If: header to really handle the full scope - * - * X-Litmus: locks: 11 (owner_modify) - * If: <http://127.0.0.1:1025/dav/litmus/lockme> (<opaquelocktoken:2165478d-0611-49c4-be92-e790d68a38f1>) - * - a tagged check: - * if http://127.0.0.1:1025/dav/litmus/lockme is locked with - * opaquelocktoken:2165478d-0611-49c4-be92-e790d68a38f1, go on - * - * X-Litmus: locks: 16 (fail_cond_put) - * If: (<DAV:no-lock> ["-1622396671"]) - * - untagged: - * go on if the resource has the etag [...] and the lock - */ - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("If")))) { - /* Ooh, ooh. A if tag, now the fun begins. - * - * this can only work with a real parser - **/ - } else { - /* we didn't provided a lock-token -> */ - /* if the resource is locked -> 423 */ - - sqlite3_stmt *stmt = p->conf.stmt_read_lock_by_uri; - - sqlite3_reset(stmt); - - sqlite3_bind_text(stmt, 1, - CONST_BUF_LEN(uri), - SQLITE_TRANSIENT); - - while (SQLITE_ROW == sqlite3_step(stmt)) { - has_lock = 0; - } - } -#else - UNUSED(srv); - UNUSED(uri); - UNUSED(con); - UNUSED(p); -#endif - - return has_lock; -} - -URIHANDLER_FUNC(mod_webdav_subrequest_handler) { - plugin_data *p = p_d; - buffer *b; - DIR *dir; - data_string *ds; - int depth = -1; - struct stat st; - buffer *prop_200; - buffer *prop_404; - webdav_properties *req_props; - stat_cache_entry *sce = NULL; - - if (con->conf.log_request_handling) { - TRACE("-- handling request in mod_webdav: %s", - SAFE_BUF_STR(con->uri.path)); - } - - /* PROPFIND need them */ - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("Depth")))) { - depth = strtol(ds->value->ptr, NULL, 10); - } - - if (con->conf.log_request_handling) { - TRACE("depth for %s: %d", - SAFE_BUF_STR(con->uri.path), depth); - } - - if (con->conf.log_request_handling) { - TRACE("method for %s: %s", - SAFE_BUF_STR(con->uri.path), get_http_method_name(con->request.http_method)); - } - - switch (con->request.http_method) { - case HTTP_METHOD_PROPFIND: - /* they want to know the properties of the directory */ - req_props = NULL; - - /* is there a content-body ? */ - if (con->conf.log_request_handling) { - TRACE("path-name: %s", - SAFE_BUF_STR(con->physical.path)); - } - - switch (stat_cache_get_entry(srv, con, con->physical.path, &sce)) { - case HANDLER_ERROR: - if (errno == ENOENT) { - if (con->conf.log_request_handling) { - TRACE("path-name: %s ... not found", - SAFE_BUF_STR(con->physical.path)); - } - - con->http_status = 404; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - break; - default: - break; - } - - -#ifdef USE_PROPPATCH - /* any special requests or just allprop ? */ - if (p->conf.sql && con->request.content_length > 0) { - xmlDocPtr xml; - - if (1 == webdav_parse_chunkqueue(srv, con, p, con->recv, &xml)) { - xmlNode *rootnode = xmlDocGetRootElement(xml); - - assert(rootnode); - - if (0 == xmlStrcmp(rootnode->name, BAD_CAST "propfind")) { - xmlNode *cmd; - - req_props = calloc(1, sizeof(*req_props)); - - for (cmd = rootnode->children; cmd; cmd = cmd->next) { - - if (0 == xmlStrcmp(cmd->name, BAD_CAST "prop")) { - /* get prop by name */ - xmlNode *prop; - - for (prop = cmd->children; prop; prop = prop->next) { - if (prop->type == XML_TEXT_NODE) continue; /* ignore WS */ - - if (prop->ns && - (0 == xmlStrcmp(prop->ns->href, BAD_CAST "")) && - (0 != xmlStrcmp(prop->ns->prefix, BAD_CAST ""))) { - size_t i; - - ERROR("no name space for: %s", prop->name); - - xmlFreeDoc(xml); - - for (i = 0; i < req_props->used; i++) { - free(req_props->ptr[i]->ns); - free(req_props->ptr[i]->prop); - free(req_props->ptr[i]); - } - free(req_props->ptr); - free(req_props); - - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* add property to requested list */ - if (req_props->size == 0) { - req_props->size = 16; - req_props->ptr = malloc(sizeof(*(req_props->ptr)) * req_props->size); - } else if (req_props->used == req_props->size) { - req_props->size += 16; - req_props->ptr = realloc(req_props->ptr, sizeof(*(req_props->ptr)) * req_props->size); - } - - req_props->ptr[req_props->used] = malloc(sizeof(webdav_property)); - req_props->ptr[req_props->used]->ns = (char *)xmlStrdup(prop->ns ? prop->ns->href : (xmlChar *)""); - req_props->ptr[req_props->used]->prop = (char *)xmlStrdup(prop->name); - req_props->used++; - } - } else if (0 == xmlStrcmp(cmd->name, BAD_CAST "propname")) { - sqlite3_stmt *stmt = p->conf.stmt_select_propnames; - - if (stmt) { - /* get all property names (EMPTY) */ - sqlite3_reset(stmt); - /* bind the values to the insert */ - - sqlite3_bind_text(stmt, 1, - con->uri.path->ptr, - con->uri.path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - } - } - } else if (0 == xmlStrcmp(cmd->name, BAD_CAST "allprop")) { - /* get all properties (EMPTY) */ - } - } - } - - xmlFreeDoc(xml); - } else { - ERROR("webdav_parse_chunkqueue() failed: %s", ""); - - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } -#endif - con->http_status = 207; - - response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/xml; charset=\"utf-8\"")); - - b = chunkqueue_get_append_buffer(con->send); - - buffer_copy_string_len(b, CONST_STR_LEN("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:multistatus xmlns:D=\"DAV:\" xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\">\n")); - - /* allprop */ - - prop_200 = buffer_init(); - prop_404 = buffer_init(); - - switch(depth) { - case 0: - /* Depth: 0 */ - webdav_get_props(srv, con, p, &(con->physical), req_props, prop_200, prop_404); - - buffer_append_string_len(b,CONST_STR_LEN("<D:response>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:href>")); - buffer_append_string_buffer(b, con->uri.scheme); - buffer_append_string_len(b,CONST_STR_LEN("://")); - buffer_append_string_buffer(b, con->uri.authority); - buffer_append_string_encoded(b, CONST_BUF_LEN(con->uri.path), ENCODING_REL_URI); - buffer_append_string_len(b,CONST_STR_LEN("</D:href>\n")); - - if (!buffer_is_empty(prop_200)) { - buffer_append_string_len(b,CONST_STR_LEN("<D:propstat>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:prop>\n")); - - buffer_append_string_buffer(b, prop_200); - - buffer_append_string_len(b,CONST_STR_LEN("</D:prop>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:status>HTTP/1.1 200 OK</D:status>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("</D:propstat>\n")); - } - if (!buffer_is_empty(prop_404)) { - buffer_append_string_len(b,CONST_STR_LEN("<D:propstat>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:prop>\n")); - - buffer_append_string_buffer(b, prop_404); - - buffer_append_string_len(b,CONST_STR_LEN("</D:prop>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:status>HTTP/1.1 404 Not Found</D:status>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("</D:propstat>\n")); - } - - buffer_append_string_len(b,CONST_STR_LEN("</D:response>\n")); - - break; - case 1: - if (NULL != (dir = opendir(con->physical.path->ptr))) { - struct dirent *de; - physical d; - physical *dst = &(con->physical); - - d.path = buffer_init(); - d.rel_path = buffer_init(); - - while(NULL != (de = readdir(dir))) { - if (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == '\0') { - continue; - /* ignore the parent dir */ - } - - buffer_copy_string_buffer(d.path, dst->path); - PATHNAME_APPEND_SLASH(d.path); - - buffer_copy_string_buffer(d.rel_path, dst->rel_path); - PATHNAME_APPEND_SLASH(d.rel_path); - - if (de->d_name[0] == '.' && de->d_name[1] == '\0') { - /* don't append the . */ - } else { - buffer_append_string(d.path, de->d_name); - buffer_append_string(d.rel_path, de->d_name); - } - - buffer_reset(prop_200); - buffer_reset(prop_404); - - webdav_get_props(srv, con, p, &d, req_props, prop_200, prop_404); - - buffer_append_string_len(b,CONST_STR_LEN("<D:response>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:href>")); - buffer_append_string_buffer(b, con->uri.scheme); - buffer_append_string_len(b,CONST_STR_LEN("://")); - buffer_append_string_buffer(b, con->uri.authority); - buffer_append_string_encoded(b, CONST_BUF_LEN(d.rel_path), ENCODING_REL_URI); - buffer_append_string_len(b,CONST_STR_LEN("</D:href>\n")); - - if (!buffer_is_empty(prop_200)) { - buffer_append_string_len(b,CONST_STR_LEN("<D:propstat>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:prop>\n")); - - buffer_append_string_buffer(b, prop_200); - - buffer_append_string_len(b,CONST_STR_LEN("</D:prop>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:status>HTTP/1.1 200 OK</D:status>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("</D:propstat>\n")); - } - if (!buffer_is_empty(prop_404)) { - buffer_append_string_len(b,CONST_STR_LEN("<D:propstat>\n")); - buffer_append_string_len(b,CONST_STR_LEN("<D:prop>\n")); - - buffer_append_string_buffer(b, prop_404); - - buffer_append_string_len(b,CONST_STR_LEN("</D:prop>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:status>HTTP/1.1 404 Not Found</D:status>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("</D:propstat>\n")); - } - - buffer_append_string_len(b,CONST_STR_LEN("</D:response>\n")); - } - closedir(dir); - buffer_free(d.path); - buffer_free(d.rel_path); - } - break; - } - - if (req_props) { - size_t i; - for (i = 0; i < req_props->used; i++) { - free(req_props->ptr[i]->ns); - free(req_props->ptr[i]->prop); - free(req_props->ptr[i]); - } - free(req_props->ptr); - free(req_props); - } - - buffer_free(prop_200); - buffer_free(prop_404); - - buffer_append_string_len(b,CONST_STR_LEN("</D:multistatus>\n")); - - if (con->conf.log_request_handling) { - TRACE("sending XML: %s", - SAFE_BUF_STR(b)); - } - - if (p->conf.log_xml) { - TRACE("XML-response-body: %s", SAFE_BUF_STR(b)); - } - con->send->bytes_in += b->used-1; - con->send->is_closed = 1; - - return HANDLER_FINISHED; - case HTTP_METHOD_MKCOL: - if (p->conf.is_readonly) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - if (con->request.content_length > 0) { - /* we don't support MKCOL with a body */ - con->http_status = 415; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - /* let's create the directory */ - - if (-1 == mkdir(con->physical.path->ptr, WEBDAV_DIR_MODE)) { - switch(errno) { - case EPERM: - con->http_status = 403; - break; - case ENOENT: - case ENOTDIR: - con->http_status = 409; - break; - case EEXIST: - default: - con->http_status = 405; /* not allowed */ - break; - } - con->mode = DIRECT; - } else { - con->http_status = 201; - con->send->is_closed = 1; - } - - return HANDLER_FINISHED; - case HTTP_METHOD_DELETE: - if (p->conf.is_readonly) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* does the client have a lock for this connection ? */ - if (!webdav_has_lock(srv, con, p, con->uri.path)) { - con->http_status = 423; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* stat and unlink afterwards */ - if (-1 == stat(con->physical.path->ptr, &st)) { - /* don't about it yet, unlink will fail too */ - switch(errno) { - case ENOENT: - con->http_status = 404; - break; - default: - con->http_status = 403; - break; - } - con->mode = DIRECT; - } else if (S_ISDIR(st.st_mode)) { - buffer *multi_status_resp = buffer_init(); - - if (webdav_delete_dir(srv, con, p, &(con->physical), multi_status_resp)) { - /* we got an error somewhere in between, build a 207 */ - response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/xml; charset=\"utf-8\"")); - - b = chunkqueue_get_append_buffer(con->send); - - buffer_copy_string_len(b, CONST_STR_LEN("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n")); - - buffer_append_string_len(b,CONST_STR_LEN("<D:multistatus xmlns:D=\"DAV:\">\n")); - - buffer_append_string_buffer(b, multi_status_resp); - - buffer_append_string_len(b,CONST_STR_LEN("</D:multistatus>\n")); - - if (p->conf.log_xml) { - log_error_write(srv, __FILE__, __LINE__, "sb", "XML-response-body:", b); - } - - con->http_status = 207; - con->send->bytes_in += b->used-1; - con->send->is_closed = 1; - } else { - /* everything went fine, remove the directory */ - - if (-1 == rmdir(con->physical.path->ptr)) { - switch(errno) { - case ENOENT: - con->http_status = 404; - break; - default: - con->http_status = 501; - break; - } - con->mode = DIRECT; - } else { - con->http_status = 204; - con->send->is_closed = 1; - } - } - - buffer_free(multi_status_resp); - } else if (-1 == unlink(con->physical.path->ptr)) { - switch(errno) { - case EPERM: - con->http_status = 403; - break; - case ENOENT: - con->http_status = 404; - break; - default: - con->http_status = 501; - break; - } - con->mode = DIRECT; - } else { - con->http_status = 204; - con->send->is_closed = 1; - } - return HANDLER_FINISHED; - case HTTP_METHOD_PUT: { - int fd; - chunkqueue *cq = con->recv; - chunk *c; - data_string *ds_range; - - if (p->conf.is_readonly) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* is a exclusive lock set on the source */ - if (!webdav_has_lock(srv, con, p, con->uri.path)) { - con->http_status = 423; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - - if (chunkqueue_length(cq) != (off_t)con->request.content_length) { - ERROR("%s", "chunkqueue_length didn't match request.content_length"); - con->http_status = 500; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* RFC2616 Section 9.6 PUT requires us to send 501 on all Content-* we don't support - * - most important Content-Range - * - * - * Example: Content-Range: bytes 100-1037/1038 */ - - if (NULL != (ds_range = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("Content-Range")))) { - const char *num = ds_range->value->ptr; - off_t offset; - char *err = NULL; - - if (0 != strncmp(num, "bytes ", 6)) { - con->http_status = 501; /* not implemented */ - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - /* we only support <num>- ... */ - - num += 6; - - /* skip WS */ - while (*num == ' ' || *num == '\t') num++; - - if (*num == '\0') { - con->http_status = 501; /* not implemented */ - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - offset = str_to_off_t(num, &err, 10); - - if (offset == STR_OFF_T_MAX || - offset == STR_OFF_T_MIN) { - /** - * conversion did a over- or underrun - */ - con->http_status = 501; /* not implemented */ - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - if (*err != '-' || offset < 0) { - con->http_status = 501; /* not implemented */ - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - if (-1 == (fd = open(con->physical.path->ptr, O_WRONLY, WEBDAV_FILE_MODE))) { - switch (errno) { - case ENOENT: - con->http_status = 404; /* not found */ - break; - default: - con->http_status = 403; /* not found */ - break; - } - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - if (-1 == lseek(fd, offset, SEEK_SET)) { - con->http_status = 501; /* not implemented */ - con->mode = DIRECT; - - close(fd); - - return HANDLER_FINISHED; - } - con->http_status = 200; /* modified */ - } else { - /* take what we have in the request-body and write it to a file */ - - /* if the file doesn't exist, create it */ - if (-1 == (fd = open(con->physical.path->ptr, O_WRONLY|O_TRUNC, WEBDAV_FILE_MODE))) { - if (errno == ENOENT && - -1 == (fd = open(con->physical.path->ptr, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, WEBDAV_FILE_MODE))) { - /* we can't open the file */ - con->http_status = 403; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } else { - con->http_status = 201; /* created */ - } - } else { - con->http_status = 200; /* modified */ - } - } - - con->send->is_closed = 1; - - for (c = cq->first; c; c = cq->first) { - int r = 0; - - /* copy all chunks */ - switch(c->type) { - case FILE_CHUNK: - - if (c->file.mmap.start == MAP_FAILED) { - if (-1 == c->file.fd && /* open the file if not already open */ - -1 == (c->file.fd = open(c->file.name->ptr, O_RDONLY))) { - log_error_write(srv, __FILE__, __LINE__, "ss", "open failed: ", strerror(errno)); - - return HANDLER_ERROR; - } - - if (MAP_FAILED == (c->file.mmap.start = mmap(0, c->file.length, PROT_READ, MAP_SHARED, c->file.fd, 0))) { - log_error_write(srv, __FILE__, __LINE__, "ssbd", "mmap failed: ", - strerror(errno), c->file.name, c->file.fd); - - return HANDLER_ERROR; - } - - c->file.mmap.length = c->file.length; - - close(c->file.fd); - c->file.fd = -1; - - /* chunk_reset() or chunk_free() will cleanup for us */ - } - - if ((r = write(fd, c->file.mmap.start + c->offset, c->file.length - c->offset)) < 0) { - switch(errno) { - case ENOSPC: - con->http_status = 507; - - break; - default: - con->http_status = 403; - break; - } - } - break; - case MEM_CHUNK: - if ((r = write(fd, c->mem->ptr + c->offset, c->mem->used - c->offset - 1)) < 0) { - switch(errno) { - case ENOSPC: - con->http_status = 507; - - break; - default: - con->http_status = 403; - break; - } - } - break; - case UNUSED_CHUNK: - break; - } - - if (r > 0) { - c->offset += r; - cq->bytes_out += r; - } else { - break; - } - chunkqueue_remove_finished_chunks(cq); - } - close(fd); - - return HANDLER_FINISHED; - } - case HTTP_METHOD_MOVE: - case HTTP_METHOD_COPY: { - buffer *destination = NULL; - char *sep, *start; - int overwrite = 1; - - if (p->conf.is_readonly) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* is a exclusive lock set on the source */ - if (con->request.http_method == HTTP_METHOD_MOVE) { - if (!webdav_has_lock(srv, con, p, con->uri.path)) { - con->http_status = 423; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } - - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("Destination")))) { - destination = ds->value; - } else { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("Overwrite")))) { - if (ds->value->used != 2 || - (ds->value->ptr[0] != 'F' && - ds->value->ptr[0] != 'T') ) { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - overwrite = (ds->value->ptr[0] == 'F' ? 0 : 1); - } - /* let's parse the Destination - * - * http://127.0.0.1:1025/dav/litmus/copydest - * - * - host has to be the same as the Host: header we got - * - we have to stay inside the document root - * - the query string is thrown away - * */ - - buffer_reset(p->uri.scheme); - buffer_reset(p->uri.path_raw); - buffer_reset(p->uri.authority); - - start = destination->ptr; - - if (NULL == (sep = strstr(start, "://"))) { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - buffer_copy_string_len(p->uri.scheme, start, sep - start); - - start = sep + 3; - - if (NULL == (sep = strchr(start, '/'))) { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - buffer_copy_string_len(p->uri.authority, start, sep - start); - - start = sep + 1; - - if (NULL == (sep = strchr(start, '?'))) { - /* no query string, good */ - buffer_copy_string(p->uri.path_raw, start); - } else { - buffer_copy_string_len(p->uri.path_raw, start, sep - start); - } - - if (!buffer_is_equal(p->uri.authority, con->uri.authority)) { - /* not the same host */ - con->http_status = 502; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - buffer_copy_string_buffer(p->tmp_buf, p->uri.path_raw); - buffer_urldecode_path(p->tmp_buf); - buffer_path_simplify(p->uri.path, p->tmp_buf); - - /* we now have a URI which is clean. transform it into a physical path */ - buffer_copy_string_buffer(p->physical.doc_root, con->physical.doc_root); - buffer_copy_string_buffer(p->physical.rel_path, p->uri.path); - - if (con->conf.force_lowercase_filenames) { - buffer_to_lower(p->physical.rel_path); - } - - buffer_copy_string_buffer(p->physical.path, p->physical.doc_root); - PATHNAME_APPEND_SLASH(p->physical.path); - buffer_copy_string_buffer(p->physical.basedir, p->physical.path); - - /* don't add a second / */ - if (p->physical.rel_path->ptr[0] == '/') { - buffer_append_string_len(p->physical.path, p->physical.rel_path->ptr + 1, p->physical.rel_path->used - 2); - } else { - buffer_append_string_buffer(p->physical.path, p->physical.rel_path); - } - - /* let's see if the source is a directory - * if yes, we fail with 501 */ - - if (-1 == stat(con->physical.path->ptr, &st)) { - /* don't about it yet, unlink will fail too */ - switch(errno) { - case ENOENT: - con->http_status = 404; - break; - default: - con->http_status = 403; - break; - } - con->mode = DIRECT; - } else if (S_ISDIR(st.st_mode)) { - int r; - /* src is a directory */ - - con->http_status = 204; - con->send->is_closed = 1; - if (-1 == stat(p->physical.path->ptr, &st)) { - if (-1 == mkdir(p->physical.path->ptr, WEBDAV_DIR_MODE)) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - con->http_status = 201; - } else if (!S_ISDIR(st.st_mode)) { - if (overwrite == 0) { - /* copying into a non-dir ? */ - con->http_status = 409; - con->mode = DIRECT; - return HANDLER_FINISHED; - } else { - unlink(p->physical.path->ptr); - if (-1 == mkdir(p->physical.path->ptr, WEBDAV_DIR_MODE)) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } - } - - /* copy the content of src to dest */ - if (0 != (r = webdav_copy_dir(srv, con, p, &(con->physical), &(p->physical), overwrite))) { - con->http_status = r; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - if (con->request.http_method == HTTP_METHOD_MOVE) { - b = buffer_init(); - webdav_delete_dir(srv, con, p, &(con->physical), b); /* content */ - buffer_free(b); - - rmdir(con->physical.path->ptr); - } - } else { - /* it is just a file, good */ - int r; - - /* does the client have a lock for this connection ? */ - if (!webdav_has_lock(srv, con, p, p->uri.path)) { - con->http_status = 423; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* destination exists */ - if (0 == (r = stat(p->physical.path->ptr, &st))) { - if (S_ISDIR(st.st_mode)) { - /* file to dir/ - * append basename to physical path */ - - if (NULL != (sep = strrchr(con->physical.path->ptr, '/'))) { - buffer_append_string(p->physical.path, sep); - r = stat(p->physical.path->ptr, &st); - } - } - } - - if (-1 == r) { - con->http_status = 201; /* we will create a new one */ - con->send->is_closed = 1; - - switch(errno) { - case ENOTDIR: - con->http_status = 409; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } else if (overwrite == 0) { - /* destination exists, but overwrite is not set */ - con->http_status = 412; - con->mode = DIRECT; - return HANDLER_FINISHED; - } else { - con->http_status = 204; /* resource already existed */ - con->send->is_closed = 1; - } - - if (con->request.http_method == HTTP_METHOD_MOVE) { - /* try a rename */ - - if (0 == rename(con->physical.path->ptr, p->physical.path->ptr)) { -#ifdef USE_PROPPATCH - sqlite3_stmt *stmt = p->conf.stmt_move_uri; - - if (stmt) { - - sqlite3_reset(stmt); - - /* bind the values to the insert */ - sqlite3_bind_text(stmt, 1, - p->uri.path->ptr, - p->uri.path->used - 1, - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 2, - con->uri.path->ptr, - con->uri.path->used - 1, - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - log_error_write(srv, __FILE__, __LINE__, "ss", "sql-move failed:", sqlite3_errmsg(p->conf.sql)); - } - } -#endif - return HANDLER_FINISHED; - } - - /* rename failed, fall back to COPY + DELETE */ - } - - if (0 != (r = webdav_copy_file(srv, con, p, &(con->physical), &(p->physical), overwrite))) { - con->http_status = r; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - if (con->request.http_method == HTTP_METHOD_MOVE) { - b = buffer_init(); - webdav_delete_file(srv, con, p, &(con->physical), b); - buffer_free(b); - } - } - - return HANDLER_FINISHED; - } - case HTTP_METHOD_PROPPATCH: - if (p->conf.is_readonly) { - con->http_status = 403; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - if (!webdav_has_lock(srv, con, p, con->uri.path)) { - con->http_status = 423; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - - /* check if destination exists */ - if (-1 == stat(con->physical.path->ptr, &st)) { - switch(errno) { - case ENOENT: - con->http_status = 404; - con->mode = DIRECT; - break; - } - } - -#ifdef USE_PROPPATCH - if (p->conf.sql && con->request.content_length > 0) { - xmlDocPtr xml; - - if (1 == webdav_parse_chunkqueue(srv, con, p, con->recv, &xml)) { - xmlNode *rootnode = xmlDocGetRootElement(xml); - - if (0 == xmlStrcmp(rootnode->name, BAD_CAST "propertyupdate")) { - xmlNode *cmd; - char *err = NULL; - int empty_ns = 0; /* send 400 on a empty namespace attribute */ - - /* start response */ - - if (SQLITE_OK != sqlite3_exec(p->conf.sql, "BEGIN TRANSACTION", NULL, NULL, &err)) { - log_error_write(srv, __FILE__, __LINE__, "ss", "can't open transaction:", err); - sqlite3_free(err); - - goto propmatch_cleanup; - } - - /* a UPDATE request, we know 'set' and 'remove' */ - for (cmd = rootnode->children; cmd; cmd = cmd->next) { - xmlNode *props; - /* either set or remove */ - - if ((0 == xmlStrcmp(cmd->name, BAD_CAST "set")) || - (0 == xmlStrcmp(cmd->name, BAD_CAST "remove"))) { - - sqlite3_stmt *stmt; - - stmt = (0 == xmlStrcmp(cmd->name, BAD_CAST "remove")) ? - p->conf.stmt_delete_prop : p->conf.stmt_update_prop; - - for (props = cmd->children; props; props = props->next) { - if (0 == xmlStrcmp(props->name, BAD_CAST "prop")) { - xmlNode *prop; - int r; - - prop = props->children; - - if (prop->ns && - (0 == xmlStrcmp(prop->ns->href, BAD_CAST "")) && - (0 != xmlStrcmp(prop->ns->prefix, BAD_CAST ""))) { - log_error_write(srv, __FILE__, __LINE__, "ss", - "no name space for:", - prop->name); - - empty_ns = 1; - break; - } - - sqlite3_reset(stmt); - - /* bind the values to the insert */ - - sqlite3_bind_text(stmt, 1, - con->uri.path->ptr, - con->uri.path->used - 1, - SQLITE_TRANSIENT); - sqlite3_bind_text(stmt, 2, - (char *)prop->name, - strlen((char *)prop->name), - SQLITE_TRANSIENT); - if (prop->ns) { - sqlite3_bind_text(stmt, 3, - (char *)prop->ns->href, - strlen((char *)prop->ns->href), - SQLITE_TRANSIENT); - } else { - sqlite3_bind_text(stmt, 3, - "", - 0, - SQLITE_TRANSIENT); - } - if (stmt == p->conf.stmt_update_prop) { - sqlite3_bind_text(stmt, 4, - (char *)xmlNodeGetContent(prop), - strlen((char *)xmlNodeGetContent(prop)), - SQLITE_TRANSIENT); - } - - if (SQLITE_DONE != (r = sqlite3_step(stmt))) { - log_error_write(srv, __FILE__, __LINE__, "ss", - "sql-set failed:", sqlite3_errmsg(p->conf.sql)); - } - } - } - if (empty_ns) break; - } - } - - if (empty_ns) { - if (SQLITE_OK != sqlite3_exec(p->conf.sql, "ROLLBACK", NULL, NULL, &err)) { - log_error_write(srv, __FILE__, __LINE__, "ss", "can't rollback transaction:", err); - sqlite3_free(err); - - goto propmatch_cleanup; - } - - con->http_status = 400; - con->mode = DIRECT; - } else { - if (SQLITE_OK != sqlite3_exec(p->conf.sql, "COMMIT", NULL, NULL, &err)) { - log_error_write(srv, __FILE__, __LINE__, "ss", "can't commit transaction:", err); - sqlite3_free(err); - - goto propmatch_cleanup; - } - con->http_status = 200; - } - con->send->is_closed = 1; - - return HANDLER_FINISHED; - } - -propmatch_cleanup: - - xmlFreeDoc(xml); - } else { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } -#endif - con->http_status = 501; - con->mode = DIRECT; - return HANDLER_FINISHED; - case HTTP_METHOD_LOCK: - /** - * a mac wants to write - * - * LOCK /dav/expire.txt HTTP/1.1\r\n - * User-Agent: WebDAVFS/1.3 (01308000) Darwin/8.1.0 (Power Macintosh)\r\n - * Accept: * / *\r\n - * Depth: 0\r\n - * Timeout: Second-600\r\n - * Content-Type: text/xml; charset=\"utf-8\"\r\n - * Content-Length: 229\r\n - * Connection: keep-alive\r\n - * Host: 192.168.178.23:1025\r\n - * \r\n - * <?xml version=\"1.0\" encoding=\"utf-8\"?>\n - * <D:lockinfo xmlns:D=\"DAV:\">\n - * <D:lockscope><D:exclusive/></D:lockscope>\n - * <D:locktype><D:write/></D:locktype>\n - * <D:owner>\n - * <D:href>http://www.apple.com/webdav_fs/</D:href>\n - * </D:owner>\n - * </D:lockinfo>\n - */ - - if (depth != 0 && depth != -1) { - con->http_status = 400; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - -#ifdef USE_LOCKS - if (p->conf.sql && con->request.content_length > 0) { - xmlDocPtr xml; - buffer *hdr_if = NULL; - - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("If")))) { - hdr_if = ds->value; - } - - /* we don't support Depth: Infinity on locks */ - if (hdr_if == NULL && depth == -1) { - con->http_status = 409; /* Conflict */ - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - if (1 == webdav_parse_chunkqueue(srv, con, p, con->recv, &xml)) { - xmlNode *rootnode = xmlDocGetRootElement(xml); - - assert(rootnode); - - if (0 == xmlStrcmp(rootnode->name, BAD_CAST "lockinfo")) { - xmlNode *lockinfo; - const xmlChar *lockscope = NULL, *locktype = NULL; /* unused variable: , *owner = NULL; */ - - for (lockinfo = rootnode->children; lockinfo; lockinfo = lockinfo->next) { - if (0 == xmlStrcmp(lockinfo->name, BAD_CAST "lockscope")) { - xmlNode *value; - for (value = lockinfo->children; value; value = value->next) { - if ((0 == xmlStrcmp(value->name, BAD_CAST "exclusive")) || - (0 == xmlStrcmp(value->name, BAD_CAST "shared"))) { - lockscope = value->name; - } else { - con->http_status = 400; - con->mode = DIRECT; - - xmlFreeDoc(xml); - return HANDLER_FINISHED; - } - } - } else if (0 == xmlStrcmp(lockinfo->name, BAD_CAST "locktype")) { - xmlNode *value; - for (value = lockinfo->children; value; value = value->next) { - if ((0 == xmlStrcmp(value->name, BAD_CAST "write"))) { - locktype = value->name; - } else { - con->http_status = 400; - con->mode = DIRECT; - - xmlFreeDoc(xml); - return HANDLER_FINISHED; - } - } - - } else if (0 == xmlStrcmp(lockinfo->name, BAD_CAST "owner")) { - } - } - - if (lockscope && locktype) { - sqlite3_stmt *stmt = p->conf.stmt_read_lock_by_uri; - - /* is this resourse already locked ? */ - - /* SELECT locktoken, resource, lockscope, locktype, owner, depth, timeout - * FROM locks - * WHERE resource = ? */ - - if (stmt) { - - sqlite3_reset(stmt); - - sqlite3_bind_text(stmt, 1, - p->uri.path->ptr, - p->uri.path->used - 1, - SQLITE_TRANSIENT); - - /* it is the PK */ - while (SQLITE_ROW == sqlite3_step(stmt)) { - /* we found a lock - * 1. is it compatible ? - * 2. is it ours */ - char *sql_lockscope = (char *)sqlite3_column_text(stmt, 2); - - if (strcmp(sql_lockscope, "exclusive")) { - con->http_status = 423; - con->mode = DIRECT; - } else if (0 == xmlStrcmp(lockscope, BAD_CAST "exclusive")) { - /* resourse is locked with a shared lock - * client wants exclusive */ - con->http_status = 423; - con->mode = DIRECT; - } - } - if (con->http_status == 423) { - xmlFreeDoc(xml); - return HANDLER_FINISHED; - } - } - - stmt = p->conf.stmt_create_lock; - if (stmt) { - /* create a lock-token */ - uuid_t id; - char uuid[37] /* 36 + \0 */; - - uuid_generate(id); - uuid_unparse(id, uuid); - - buffer_copy_string_len(p->tmp_buf, CONST_STR_LEN("opaquelocktoken:")); - buffer_append_string(p->tmp_buf, uuid); - - /* "CREATE TABLE locks (" - * " locktoken TEXT NOT NULL," - * " resource TEXT NOT NULL," - * " lockscope TEXT NOT NULL," - * " locktype TEXT NOT NULL," - * " owner TEXT NOT NULL," - * " depth INT NOT NULL," - */ - - sqlite3_reset(stmt); - - sqlite3_bind_text(stmt, 1, - CONST_BUF_LEN(p->tmp_buf), - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 2, - CONST_BUF_LEN(con->uri.path), - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 3, - (const char *)lockscope, - xmlStrlen(lockscope), - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 4, - (const char *)locktype, - +xmlStrlen(locktype), - SQLITE_TRANSIENT); - - /* owner */ - sqlite3_bind_text(stmt, 5, - "", - 0, - SQLITE_TRANSIENT); - - /* depth */ - sqlite3_bind_int(stmt, 6, - depth); - - - if (SQLITE_DONE != sqlite3_step(stmt)) { - log_error_write(srv, __FILE__, __LINE__, "ss", - "create lock:", sqlite3_errmsg(p->conf.sql)); - } - - /* looks like we survived */ - webdav_lockdiscovery(srv, con, p->tmp_buf, (const char *)lockscope, (const char *)locktype, depth); - - con->http_status = 201; - con->send->is_closed = 1; - } - } - } - - xmlFreeDoc(xml); - return HANDLER_FINISHED; - } else { - con->http_status = 400; - con->mode = DIRECT; - return HANDLER_FINISHED; - } - } else { - - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("If")))) { - buffer *locktoken = ds->value; - sqlite3_stmt *stmt = p->conf.stmt_refresh_lock; - - /* remove the < > around the token */ - if (locktoken->used < 6) { - con->http_status = 400; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - buffer_copy_string_len(p->tmp_buf, locktoken->ptr + 2, locktoken->used - 5); - - sqlite3_reset(stmt); - - sqlite3_bind_text(stmt, 1, - CONST_BUF_LEN(p->tmp_buf), - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - TRACE("refresh lock failed: %s", sqlite3_errmsg(p->conf.sql)); - } - - webdav_lockdiscovery(srv, con, p->tmp_buf, "exclusive", "write", 0); - - con->http_status = 200; - con->send->is_closed = 1; - return HANDLER_FINISHED; - } else { - /* we need a lock-token to refresh */ - con->http_status = 400; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - } - break; -#else - con->http_status = 501; - con->mode = DIRECT; - return HANDLER_FINISHED; -#endif - case HTTP_METHOD_UNLOCK: -#ifdef USE_LOCKS - if (NULL != (ds = (data_string *)array_get_element(con->request.headers, CONST_STR_LEN("Lock-Token")))) { - buffer *locktoken = ds->value; - sqlite3_stmt *stmt = p->conf.stmt_remove_lock; - - /* remove the < > around the token */ - if (locktoken->used < 4) { - con->http_status = 400; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - - /** - * FIXME: - * - * if the resourse is locked: - * - by us: unlock - * - by someone else: 401 - * if the resource is not locked: - * - 412 - * */ - - buffer_copy_string_len(p->tmp_buf, locktoken->ptr + 1, locktoken->used - 3); - - sqlite3_reset(stmt); - - sqlite3_bind_text(stmt, 1, - CONST_BUF_LEN(p->tmp_buf), - SQLITE_TRANSIENT); - - sqlite3_bind_text(stmt, 2, - CONST_BUF_LEN(con->uri.path), - SQLITE_TRANSIENT); - - if (SQLITE_DONE != sqlite3_step(stmt)) { - log_error_write(srv, __FILE__, __LINE__, "ss", - "remove lock:", sqlite3_errmsg(p->conf.sql)); - } - - if (0 == sqlite3_changes(p->conf.sql)) { - con->http_status = 401; - con->mode = DIRECT; - } else { - con->http_status = 204; - con->send->is_closed = 1; - } - return HANDLER_FINISHED; - } else { - /* we need a lock-token to unlock */ - con->http_status = 400; - con->mode = DIRECT; - - return HANDLER_FINISHED; - } - break; -#else - con->http_status = 501; - con->mode = DIRECT; - return HANDLER_FINISHED; -#endif - default: - break; - } - - /* not found */ - return HANDLER_GO_ON; -} - -/** - * calls the request-handler if we have received all the content - */ -CONNECTION_FUNC(mod_webdav_recv_request_content) { - chunkqueue *in = con->recv; - plugin_data *p = p_d; - handler_t res; - - /** - * is the content for webdav - */ - if (con->mode != p->id) return HANDLER_GO_ON; - - if (!in->is_closed) return HANDLER_GO_ON; - - /* we received all the content, let's call the webdav handler */ - - res = mod_webdav_subrequest_handler(srv, con, p_d); - - /* mark body as read */ - con->recv->bytes_out += chunkqueue_skip(con->recv, con->recv->bytes_in - con->recv->bytes_out); - chunkqueue_remove_finished_chunks(con->recv); - - return res; -} - -/* this function is called at dlopen() time and inits the callbacks */ - -LI_EXPORT int mod_webdav_plugin_init(plugin *p); -LI_EXPORT int mod_webdav_plugin_init(plugin *p) { - p->version = LIGHTTPD_VERSION_ID; - p->name = buffer_init_string("webdav"); - - p->init = mod_webdav_init; - p->handle_uri_clean = mod_webdav_uri_handler; /* check if we handle this URL */ -#if 0 - /* will get called when the content is received */ -#endif - p->handle_physical = mod_webdav_physical_handler; - p->handle_send_request_content = mod_webdav_recv_request_content; /* check if we received all the content */ - p->set_defaults = mod_webdav_set_defaults; - p->cleanup = mod_webdav_free; - - p->data = NULL; - - return 0; -} |