lighttpd 1.4.x https://www.lighttpd.net/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

1847 lines
47 KiB

#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <assert.h>
#include <sys/mman.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
#include "base.h"
#include "log.h"
#include "buffer.h"
#include "response.h"
#include "plugin.h"
#include "stream.h"
#include "stat_cache.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
*
*/
/* 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;
#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;
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_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__, "s", "sqlite3_open failed");
return HANDLER_ERROR;
}
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_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("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;
}
#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;
}
#define PATCH(x) \
p->conf.x = s->x;
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(enabled);
PATCH(is_readonly);
PATCH(log_xml);
#ifdef USE_PROPPATCH
PATCH(sql);
PATCH(stmt_update_prop);
PATCH(stmt_delete_prop);
PATCH(stmt_select_prop);
PATCH(stmt_select_propnames);
PATCH(stmt_delete_uri);
PATCH(stmt_move_uri);
PATCH(stmt_copy_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(enabled);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.is-readonly"))) {
PATCH(is_readonly);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.log-xml"))) {
PATCH(log_xml);
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.sqlite-db-name"))) {
#ifdef USE_PROPPATCH
PATCH(sql);
PATCH(stmt_update_prop);
PATCH(stmt_delete_prop);
PATCH(stmt_select_prop);
PATCH(stmt_select_propnames);
PATCH(stmt_delete_uri);
PATCH(stmt_move_uri);
PATCH(stmt_copy_uri);
#endif
}
}
}
return 0;
}
#undef PATCH
URIHANDLER_FUNC(mod_webdav_uri_handler) {
plugin_data *p = p_d;
UNUSED(srv);
if (con->uri.path->used == 0) return HANDLER_GO_ON;
mod_webdav_patch_connection(srv, con, p);
if (!p->conf.enabled) return HANDLER_GO_ON;
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"));
}
break;
default:
break;
}
/* not found */
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(b,"<");
buffer_append_string(b, prop_name);
buffer_append_string(b, " xmlns=\"");
buffer_append_string(b, prop_ns);
buffer_append_string(b, "\">");
buffer_append_string(b, value);
buffer_append_string(b,"</");
buffer_append_string(b, prop_name);
buffer_append_string(b, ">");
} else {
buffer_append_string(b,"<");
buffer_append_string(b, prop_name);
buffer_append_string(b, " xmlns=\"");
buffer_append_string(b, prop_ns);
buffer_append_string(b, "\"/>");
}
return 0;
}
static int webdav_gen_response_status_tag(server *srv, connection *con, physical *dst, int status, buffer *b) {
UNUSED(srv);
buffer_append_string(b,"<D:response xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\">\n");
buffer_append_string(b,"<D:href>\n");
buffer_append_string_buffer(b, dst->rel_path);
buffer_append_string(b,"</D:href>\n");
buffer_append_string(b,"<D:status>\n");
if (con->request.http_version == HTTP_VERSION_1_1) {
BUFFER_COPY_STRING_CONST(b, "HTTP/1.1 ");
} else {
BUFFER_COPY_STRING_CONST(b, "HTTP/1.0 ");
}
buffer_append_long(b, status);
BUFFER_APPEND_STRING_CONST(b, " ");
buffer_append_string(b, get_http_status_name(status));
buffer_append_string(b,"</D:status>\n");
buffer_append_string(b,"</D:response>\n");
return 0;
}
static int webdav_delete_file(server *srv, connection *con, plugin_data *p, physical *dst, buffer *b) {
int status = 0;
/* 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) {
status = 403;
webdav_gen_response_status_tag(srv, con, dst, status, b);
} else {
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)) {
/* */
WP();
}
}
#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);
BUFFER_APPEND_SLASH(d.path);
buffer_append_string(d.path, de->d_name);
buffer_copy_string_buffer(d.rel_path, dst->rel_path);
BUFFER_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)) {
/* */
WP();
}
}
#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);
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), 0600))) {
/* 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)) {
/* */
WP();
}
}
}
#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);
BUFFER_APPEND_SLASH(s.path);
buffer_append_string(s.path, de->d_name);
buffer_copy_string_buffer(d.path, dst->path);
BUFFER_APPEND_SLASH(d.path);
buffer_append_string(d.path, de->d_name);
buffer_copy_string_buffer(s.rel_path, src->rel_path);
BUFFER_APPEND_SLASH(s.rel_path);
buffer_append_string(s.rel_path, de->d_name);
buffer_copy_string_buffer(d.rel_path, dst->rel_path);
BUFFER_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, 0700) &&
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)) {
/* */
WP();
}
}
#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(b, "<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(b, "<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(b,"<D:getcontenttype>");
buffer_append_string_buffer(b, ds->value);
buffer_append_string(b, "</D:getcontenttype>");
found = 1;
break;
}
}
}
} else if (0 == strcmp(prop_name, "creationdate")) {
buffer_append_string(b, "<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(b, "</D:creationdate>");
found = 1;
} else if (0 == strcmp(prop_name, "getlastmodified")) {
buffer_append_string(b,"<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(b, "</D:getlastmodified>");
found = 1;
} else if (0 == strcmp(prop_name, "getcontentlength")) {
buffer_append_string(b,"<D:getcontentlength>");
buffer_append_off_t(b, sce->st.st_size);
buffer_append_string(b, "</D:getcontentlength>");
found = 1;
} else if (0 == strcmp(prop_name, "getcontentlanguage")) {
buffer_append_string(b,"<D:getcontentlanguage>");
buffer_append_string(b, "en");
buffer_append_string(b, "</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(p->conf.stmt_select_prop)) {
/* 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(p->conf.stmt_select_prop, 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;
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))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "open failed: ", strerror(errno));
return -1;
}
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 -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))) {
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) {
log_error_write(srv, __FILE__, __LINE__, "ss", "XML-request-body:", c->mem->ptr + c->offset);
}
if (XML_ERR_OK != (err = xmlParseChunk(ctxt, c->mem->ptr + c->offset, weHave, 0))) {
log_error_write(srv, __FILE__, __LINE__, "sddd", "xmlParseChunk failed at:", cq->bytes_out, weHave, 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:
log_error_write(srv, __FILE__, __LINE__, "sd", "xmlParseChunk failed at final packet:", err);
break;
}
xml = ctxt->myDoc;
res = ctxt->wellFormed;
xmlFreeParserCtxt(ctxt);
if (res == 0) {
xmlFreeDoc(xml);
} else {
*ret_xml = xml;
}
return res;
}
#endif
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;
UNUSED(srv);
if (!p->conf.enabled) return HANDLER_GO_ON;
/* physical path is setup */
if (con->physical.path->used == 0) return HANDLER_GO_ON;
/* PROPFIND need them */
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Depth"))) {
depth = strtol(ds->value->ptr, NULL, 10);
}
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 ? */
#ifdef USE_PROPPATCH
/* any special requests or just allprop ? */
if (con->request.content_length) {
xmlDocPtr xml;
if (1 == webdav_parse_chunkqueue(srv, con, p, con->request_content_queue, &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;
log_error_write(srv, __FILE__, __LINE__, "ss",
"no name space for:",
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;
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)) {
WP();
}
}
} else if (0 == xmlStrcmp(cmd->name, BAD_CAST "allprop")) {
/* get all properties (EMPTY) */
}
}
}
xmlFreeDoc(xml);
} else {
con->http_status = 400;
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->write_queue);
buffer_copy_string(b, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
buffer_append_string(b,"<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(b,"<D:response>\n");
buffer_append_string(b,"<D:href>");
buffer_append_string_buffer(b, con->uri.scheme);
buffer_append_string(b,"://");
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(b,"</D:href>\n");
if (!buffer_is_empty(prop_200)) {
buffer_append_string(b,"<D:propstat>\n");
buffer_append_string(b,"<D:prop>\n");
buffer_append_string_buffer(b, prop_200);
buffer_append_string(b,"</D:prop>\n");
buffer_append_string(b,"<D:status>HTTP/1.1 200 OK</D:status>\n");
buffer_append_string(b,"</D:propstat>\n");
}
if (!buffer_is_empty(prop_404)) {
buffer_append_string(b,"<D:propstat>\n");
buffer_append_string(b,"<D:prop>\n");
buffer_append_string_buffer(b, prop_404);
buffer_append_string(b,"</D:prop>\n");
buffer_append_string(b,"<D:status>HTTP/1.1 404 Not Found</D:status>\n");
buffer_append_string(b,"</D:propstat>\n");
}
buffer_append_string(b,"</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] == '\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);
BUFFER_APPEND_SLASH(d.path);
buffer_append_string(d.path, de->d_name);
buffer_copy_string_buffer(d.rel_path, dst->rel_path);
BUFFER_APPEND_SLASH(d.rel_path);
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(b,"<D:response>\n");
buffer_append_string(b,"<D:href>");
buffer_append_string_buffer(b, con->uri.scheme);
buffer_append_string(b,"://");
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(b,"</D:href>\n");
if (!buffer_is_empty(prop_200)) {
buffer_append_string(b,"<D:propstat>\n");
buffer_append_string(b,"<D:prop>\n");
buffer_append_string_buffer(b, prop_200);
buffer_append_string(b,"</D:prop>\n");
buffer_append_string(b,"<D:status>HTTP/1.1 200 OK</D:status>\n");
buffer_append_string(b,"</D:propstat>\n");
}
if (!buffer_is_empty(prop_404)) {
buffer_append_string(b,"<D:propstat>\n");
buffer_append_string(b,"<D:prop>\n");
buffer_append_string_buffer(b, prop_404);
buffer_append_string(b,"</D:prop>\n");
buffer_append_string(b,"<D:status>HTTP/1.1 404 Not Found</D:status>\n");
buffer_append_string(b,"</D:propstat>\n");
}
buffer_append_string(b,"</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_append_string(b,"</D:multistatus>\n");
if (p->conf.log_xml) {
log_error_write(srv, __FILE__, __LINE__, "sb", "XML-response-body:", b);
}
con->file_finished = 1;
return HANDLER_FINISHED;
case HTTP_METHOD_MKCOL:
if (p->conf.is_readonly) {
con->http_status = 403;
return HANDLER_FINISHED;
}
if (con->request.content_length != 0) {
/* we don't support MKCOL with a body */
con->http_status = 415;
return HANDLER_FINISHED;
}
/* let's create the directory */
if (-1 == mkdir(con->physical.path->ptr, 0700)) {
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;
}
} else {
con->http_status = 201;
}
return HANDLER_FINISHED;
case HTTP_METHOD_DELETE:
if (p->conf.is_readonly) {
con->http_status = 403;
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;
}
} 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->write_queue);
buffer_copy_string(b, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
buffer_append_string(b,"<D:multistatus xmlns:D=\"DAV:\">\n");
buffer_append_string_buffer(b, multi_status_resp);
buffer_append_string(b,"</D:multistatus>\n");
if (p->conf.log_xml) {
log_error_write(srv, __FILE__, __LINE__, "sb", "XML-response-body:", b);
}
con->http_status = 207;
con->file_finished = 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;
}
} else {
con->http_status = 204;
}
}
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;
}
} else {
con->http_status = 204;
}
return HANDLER_FINISHED;
case HTTP_METHOD_PUT: {
int fd;
chunkqueue *cq = con->request_content_queue;
if (p->conf.is_readonly) {
con->http_status = 403;
return HANDLER_FINISHED;
}
assert(chunkqueue_length(cq) == (off_t)con->request.content_length);
/* taken what we have in the request-body and write it to a file */
if (-1 == (fd = open(con->physical.path->ptr, O_WRONLY|O_CREAT|O_TRUNC, 0600))) {
/* we can't open the file */
con->http_status = 403;
} else {
chunk *c;
con->http_status = 201; /* created */
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 -1;
}
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 -1;
}
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;
return HANDLER_FINISHED;
}
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Destination"))) {
destination = ds->value;
} else {
con->http_status = 400;
return HANDLER_FINISHED;
}
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Overwrite"))) {
if (ds->value->used != 2 ||
(ds->value->ptr[0] != 'F' &&
ds->value->ptr[0] != 'T') ) {
con->http_status = 400;
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;
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;
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;
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_lower_case) {
buffer_to_lower(p->physical.rel_path);
}
buffer_copy_string_buffer(p->physical.path, p->physical.doc_root);
BUFFER_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;
}
} else if (S_ISDIR(st.st_mode)) {
int r;
/* src is a directory */
if (-1 == stat(p->physical.path->ptr, &st)) {
if (-1 == mkdir(p->physical.path->ptr, 0700)) {
con->http_status = 403;
return HANDLER_FINISHED;
}
} else if (!S_ISDIR(st.st_mode)) {
if (overwrite == 0) {
/* copying into a non-dir ? */
con->http_status = 409;
return HANDLER_FINISHED;
} else {
unlink(p->physical.path->ptr);
if (-1 == mkdir(p->physical.path->ptr, 0700)) {
con->http_status = 403;
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;
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);
}
con->http_status = 201;
} else {
/* it is just a file, good */
int r;
/* 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 */
switch(errno) {
case ENOTDIR:
con->http_status = 409;
return HANDLER_FINISHED;
}
} else if (overwrite == 0) {
/* destination exists, but overwrite is not set */
con->http_status = 412;
return HANDLER_FINISHED;
} else {
con->http_status = 204; /* resource already existed */
}
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;
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;
return HANDLER_FINISHED;
}
/* check if destination exists */
if (-1 == stat(con->physical.path->ptr, &st)) {
switch(errno) {
case ENOENT:
con->http_status = 404;
break;
}
}
#ifdef USE_PROPPATCH
if (con->request.content_length) {
xmlDocPtr xml;
if (1 == webdav_parse_chunkqueue(srv, con, p, con->request_content_queue, &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;
} 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->file_finished = 1;
return HANDLER_FINISHED;
}
propmatch_cleanup:
xmlFreeDoc(xml);
} else {
con->http_status = 400;
return HANDLER_FINISHED;
}
}
#endif
con->http_status = 501;
return HANDLER_FINISHED;
}
default:
break;
}
/* not found */
return HANDLER_GO_ON;
}
/* this function is called at dlopen() time and inits the callbacks */
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;
p->handle_physical = mod_webdav_subrequest_handler;
p->set_defaults = mod_webdav_set_defaults;
p->cleanup = mod_webdav_free;
p->data = NULL;
return 0;
}