void uwsgi_sqlite3_config(char *file, char *magic_table[]) {
sqlite3 *db;
char *err = NULL;
char *query = "SELECT * FROM uwsgi";
char *colon = uwsgi_get_last_char(file, ':');
if (colon) {
colon[0] = 0;
if (colon[1] != 0) {
query = colon + 1;
}
}
uwsgi_log("[uWSGI] getting sqlite3 configuration from %s\n", file);
#ifdef sqlite3_open_v2
if (sqlite3_open_v2(file, &db, SQLITE_OPEN_READONLY, NULL)) {
#else
if (sqlite3_open(file, &db)) {
#endif
uwsgi_log("unable to open sqlite3 db: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
exit(1);
}
if (sqlite3_exec(db, query, uwsgi_sqlite3_config_callback, (void *) magic_table, &err)) {
uwsgi_log("sqlite3 error: %s\n", err);
sqlite3_close(db);
exit(1);
}
sqlite3_close(db);
}
static int uwsgi_webdav_add_props(struct wsgi_request *wsgi_req, xmlNode *req_prop, xmlNode * multistatus, xmlNsPtr dav_ns, char *uri, char *filename, int with_values) {
struct stat st;
if (stat(filename, &st)) {
uwsgi_error("uwsgi_webdav_add_props()/stat()");
return -1;
}
int is_collection = 0;
xmlNode *response = xmlNewChild(multistatus, dav_ns, BAD_CAST "response", NULL);
uint16_t uri_len = strlen(uri) ;
char *encoded_uri = uwsgi_malloc( (uri_len * 3) + 1);
http_url_encode(uri, &uri_len, encoded_uri);
encoded_uri[uri_len] = 0;
xmlNewChild(response, dav_ns, BAD_CAST "href", BAD_CAST encoded_uri);
free(encoded_uri);
xmlNode *r_propstat = xmlNewChild(response, dav_ns, BAD_CAST "propstat", NULL);
char *r_status = uwsgi_concat2n(wsgi_req->protocol, wsgi_req->protocol_len, " 200 OK", 7);
xmlNewChild(r_propstat, dav_ns, BAD_CAST "status", BAD_CAST r_status);
free(r_status);
xmlNode *r_prop = xmlNewChild(r_propstat, dav_ns, BAD_CAST "prop", NULL);
if (with_values) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "displayname")) {
char *base_uri = uwsgi_get_last_char(uri, '/');
if (base_uri) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", BAD_CAST base_uri+1);
}
else {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", BAD_CAST uri);
}
}
if (S_ISDIR(st.st_mode)) is_collection = 1;
xmlNode *r_type = NULL;
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "resourcetype")) {
r_type = xmlNewChild(r_prop, dav_ns, BAD_CAST "resourcetype", NULL);
if (is_collection) {
xmlNewChild(r_type, dav_ns, BAD_CAST "collection", NULL);
is_collection = 1;
}
}
if (!is_collection) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getcontentlength")) {
char *r_contentlength = uwsgi_num2str(st.st_size);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontentlength", BAD_CAST r_contentlength);
free(r_contentlength);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getcontenttype")) {
size_t mime_type_len = 0;
char *mime_type = uwsgi_get_mime_type(filename, strlen(filename), &mime_type_len);
if (mime_type) {
char *r_ctype = uwsgi_concat2n(mime_type, mime_type_len, "", 0);
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getcontenttype", BAD_CAST r_ctype);
free(r_ctype);
}
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "creationdate")) {
// there is no creation date on UNIX/POSIX, ctime is the nearest thing...
char *cdate = uwsgi_webdav_new_date(st.st_ctime);
if (cdate) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "creationdate", BAD_CAST cdate);
free(cdate);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getlastmodified")) {
char *mdate = uwsgi_webdav_new_date(st.st_mtime);
if (mdate) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getlastmodified", BAD_CAST mdate);
free(mdate);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getetag")) {
char *etag = uwsgi_num2str(st.st_mtime);
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getetag", BAD_CAST etag);
free(etag);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "executable")) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "executable", NULL);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "owner")) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "owner", NULL);
}
if (wsgi_req->remote_user_len > 0) {
if (udav.principal_base) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "current-user-principal")) {
char *current_user_principal = uwsgi_concat2n(udav.principal_base, strlen(udav.principal_base), wsgi_req->remote_user, wsgi_req->remote_user_len);
xmlNode *cup = xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-principal", NULL);
xmlNewTextChild(cup, dav_ns, BAD_CAST "href", BAD_CAST current_user_principal);
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "resourcetype")) {
if (!strcmp(current_user_principal, uri)) {
xmlNewChild(r_type, dav_ns, BAD_CAST "principal", NULL);
}
}
free(current_user_principal);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "current-user-privilege-set")) {
xmlNode *cups = xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-privilege-set", NULL);
xmlNode *privilege = xmlNewChild(cups, dav_ns, BAD_CAST "privilege", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "all", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "read", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write-content", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write-properties", NULL);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "supported-report-set")) {
xmlNode *report_set = xmlNewChild(r_prop, dav_ns, BAD_CAST "supported-report-set", NULL);
xmlNode *supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "principal-property-search");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "sync-collection");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "expand-property");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "principal-search-property-set");
}
uwsgi_webdav_foreach_prop(udav.add_prop, req_prop, r_prop, 0, NULL );
uwsgi_webdav_foreach_prop(udav.add_prop_href, req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_prop_comp,req_prop, r_prop, 2 , NULL);
uwsgi_webdav_foreach_prop(udav.add_rtype_prop,req_prop, r_type, 0, "resourcetype");
if (is_collection) {
uwsgi_webdav_foreach_prop(udav.add_rtype_collection_prop,req_prop, r_type, 0, "resourcetype");
uwsgi_webdav_foreach_prop(udav.add_collection_prop,req_prop, r_prop, 0, NULL);
uwsgi_webdav_foreach_prop(udav.add_collection_prop_href,req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_collection_prop_comp,req_prop, r_prop, 2, NULL);
}
else {
uwsgi_webdav_foreach_prop(udav.add_rtype_object_prop,req_prop, r_type, 0, "resourcetype");
uwsgi_webdav_foreach_prop(udav.add_object_prop,req_prop, r_prop, 0, NULL);
uwsgi_webdav_foreach_prop(udav.add_object_prop_href,req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_object_prop_comp,req_prop, r_prop, 2, NULL);
}
}
else {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "resourcetype", NULL);
if (!S_ISDIR(st.st_mode)) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontentlength", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontenttype", NULL);
}
xmlNewChild(r_prop, dav_ns, BAD_CAST "creationdate", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getlastmodified", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "supported-report-set", NULL);
if (wsgi_req->remote_user_len > 0) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-privilege-set", NULL);
if (udav.principal_base) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-principal", NULL);
}
}
}
#if defined(__linux__) || defined(__APPLE__)
// get xattr for user.uwsgi.webdav.
#if defined(__linux__)
ssize_t rlen = listxattr(filename, NULL, 0);
#elif defined(__APPLE__)
ssize_t rlen = listxattr(filename, NULL, 0, 0);
#endif
// do not return -1 as the previous xml is valid !!!
if (rlen <= 0) return 0;
// use calloc to avoid races
char *xattrs = uwsgi_calloc(rlen);
#if defined(__linux__)
if (listxattr(filename, xattrs, rlen) <= 0) {
#elif defined(__APPLE__)
if (listxattr(filename, xattrs, rlen, 0) <= 0) {
#endif
free(xattrs);
return 0;
}
// parse the name list
ssize_t i;
char *key = NULL;
for(i=0;i<rlen;i++) {
// check for wrong condition
if (xattrs[i] == 0 && key == NULL) break;
if (key && xattrs[i] == 0) {
if (!uwsgi_starts_with(key, strlen(key), "user.uwsgi.webdav.", 18)) {
if (uwsgi_string_list_has_item(udav.skip_prop, key + 18, strlen(key + 18))) continue;
xmlNsPtr xattr_ns = NULL;
// does it has a namespace ?
char *separator = strchr(key + 18, '|');
char *xattr_key = key + 18;
if (separator) {
xattr_key = separator + 1;
*separator = 0;
if (!uwsgi_webdav_prop_requested(req_prop, key + 18, xattr_key)) continue;
}
else {
if (!uwsgi_webdav_prop_requested(req_prop, NULL, xattr_key)) continue;
}
xmlNode *xattr_item = NULL;
if (with_values) {
#if defined(__linux__)
ssize_t rlen2 = getxattr(filename, key, NULL, 0);
#elif defined(__APPLE__)
ssize_t rlen2 = getxattr(filename, key, NULL, 0, 0, 0);
#endif
if (rlen > 0) {
// leave space for final 0
char *xvalue = uwsgi_calloc(rlen2 + 1);
#if defined(__linux__)
if (getxattr(filename, key, xvalue, rlen2) > 0) {
#elif defined(__APPLE__)
if (getxattr(filename, key, xvalue, rlen2, 0 ,0) > 0) {
#endif
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, BAD_CAST xvalue);
}
free(xvalue);
}
else if (rlen == 0) {
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, NULL);
}
}
else {
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, NULL);
}
if (separator && xattr_item) {
xattr_ns = xmlNewNs(xattr_item, BAD_CAST (key + 18), NULL);
*separator = '|';
xmlSetNs(xattr_item, xattr_ns);
}
}
key = NULL;
}
else if (key == NULL) {
key = &xattrs[i];
}
}
free(xattrs);
#endif
return 0;
}
static size_t uwsgi_webdav_expand_path(struct wsgi_request *wsgi_req, char *item, uint16_t item_len, char *filename) {
struct uwsgi_app *ua = &uwsgi_apps[wsgi_req->app_id];
char *docroot = ua->interpreter;
size_t docroot_len = strlen(docroot);
// merge docroot with path_info
char *tmp_filename = uwsgi_concat3n(docroot, docroot_len, "/", 1, item, item_len);
// try expanding the path
if (!realpath(tmp_filename, filename)) {
free(tmp_filename);
return 0;
}
free(tmp_filename);
return strlen(filename);
}
static size_t uwsgi_webdav_expand_fake_path(struct wsgi_request *wsgi_req, char *item, uint16_t item_len, char *filename) {
char *last_slash = uwsgi_get_last_charn(item, item_len, '/');
if (!last_slash) return 0;
size_t filename_len = uwsgi_webdav_expand_path(wsgi_req, item, last_slash - item, filename);
if (!filename_len) return 0;
// check for overflow
if (filename_len + (item_len - (last_slash - item)) >= PATH_MAX) return 0;
memcpy(filename + filename_len, last_slash, (item_len - (last_slash - item)));
filename_len += (item_len - (last_slash - item));
filename[(int)filename_len] = 0;
return filename_len;
}
static xmlDoc *uwsgi_webdav_manage_prop(struct wsgi_request *wsgi_req, xmlNode *req_prop, char *filename, size_t filename_len, int with_values) {
// default 1 depth
int depth = 1;
uint16_t http_depth_len = 0;
char *http_depth = uwsgi_get_var(wsgi_req, "HTTP_DEPTH", 10, &http_depth_len);
if (http_depth) {
depth = uwsgi_str_num(http_depth, http_depth_len);
}
xmlDoc *rdoc = xmlNewDoc(BAD_CAST "1.0");
xmlNode *multistatus = xmlNewNode(NULL, BAD_CAST "multistatus");
xmlDocSetRootElement(rdoc, multistatus);
xmlNsPtr dav_ns = xmlNewNs(multistatus, BAD_CAST "DAV:", BAD_CAST "D");
xmlSetNs(multistatus, dav_ns);
if (depth == 0) {
char *uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
uwsgi_webdav_add_props(wsgi_req, req_prop, multistatus, dav_ns, uri, filename, with_values);
free(uri);
}
else {
DIR *collection = opendir(filename);
struct dirent de;
for (;;) {
struct dirent *de_r = NULL;
if (readdir_r(collection, &de, &de_r)) {
uwsgi_error("uwsgi_wevdav_manage_propfind()/readdir_r()");
break;
}
if (de_r == NULL) {
break;
}
char *uri = NULL;
char *direntry = NULL;
if (!strcmp(de.d_name, "..")) {
// skip ..
continue;
}
else if (!strcmp(de.d_name, ".")) {
uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
direntry = uwsgi_concat2n(filename, filename_len, "", 0);
}
else if (wsgi_req->path_info[wsgi_req->path_info_len - 1] == '/') {
uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, de.d_name, strlen(de.d_name));
direntry = uwsgi_concat3n(filename, filename_len, "/", 1, de.d_name, strlen(de.d_name));
}
else {
uri = uwsgi_concat3n(wsgi_req->path_info, wsgi_req->path_info_len, "/", 1, de.d_name, strlen(de.d_name));
direntry = uwsgi_concat3n(filename, filename_len, "/", 1, de.d_name, strlen(de.d_name));
}
uwsgi_webdav_add_props(wsgi_req, req_prop, multistatus, dav_ns, uri, direntry, with_values);
free(uri);
free(direntry);
}
closedir(collection);
}
return rdoc;
}
void uwsgi_yaml_config(char *file, char *magic_table[]) {
int len = 0;
char *yaml;
int in_uwsgi_section = 0;
char *key = NULL;
char *val = NULL;
char *section_asked = "uwsgi";
char *colon;
if (uwsgi_check_scheme(file)) {
colon = uwsgi_get_last_char(file, '/');
colon = uwsgi_get_last_char(colon, ':');
}
else {
colon = uwsgi_get_last_char(file, ':');
}
if (colon) {
colon[0] = 0;
if (colon[1] != 0) {
section_asked = colon + 1;
}
}
uwsgi_log("[uWSGI] getting YAML configuration from %s\n", file);
yaml = uwsgi_open_and_read(file, &len, 1, magic_table);
#ifdef UWSGI_LIBYAML
yaml_parser_t parser;
yaml_token_t token;
int status = 0;
int parsing = 1;
if (!yaml_parser_initialize(&parser)) {
uwsgi_log("unable to initialize YAML parser (libyaml)\n");
exit(1);
}
yaml_parser_set_input_string(&parser, (const unsigned char *) yaml, (size_t) len - 1);
while (parsing) {
if (!yaml_parser_scan(&parser, &token)) {
uwsgi_log("error parsing YAML file: %s (%c)\n", parser.problem, yaml[parser.problem_offset]);
exit(1);
}
switch (token.type) {
case YAML_STREAM_END_TOKEN:
parsing = 0;
break;
case YAML_KEY_TOKEN:
status = 1;
break;
case YAML_VALUE_TOKEN:
status = 2;
break;
case YAML_FLOW_SEQUENCE_START_TOKEN:
case YAML_BLOCK_SEQUENCE_START_TOKEN:
status = 3;
break;
case YAML_BLOCK_MAPPING_START_TOKEN:
if (!in_uwsgi_section) {
if (key) {
if (!strcmp(section_asked, key)) {
in_uwsgi_section = 1;
}
}
}
break;
case YAML_BLOCK_END_TOKEN:
if (in_uwsgi_section) {
parsing = 0;
break;
}
break;
case YAML_SCALAR_TOKEN:
case YAML_FLOW_ENTRY_TOKEN:
case YAML_BLOCK_ENTRY_TOKEN:
if (status == 1) {
key = (char *) token.data.scalar.value;
}
else if (status == 2) {
val = (char *) token.data.scalar.value;
if (key && val && in_uwsgi_section) {
add_exported_option(key, val, 0);
}
status = 0;
}
else if (status == 3) {
val = (char *) token.data.scalar.value;
if (key && val && in_uwsgi_section) {
add_exported_option(key, val, 0);
}
}
else {
uwsgi_log("unsupported YAML token in %s block\n", section_asked);
parsing = 0;
break;
}
break;
default:
status = 0;
}
}
#else
int depth;
int current_depth = 0;
int lines = 1;
char *yaml_line;
char *section = "";
while (len) {
yaml_line = yaml_get_line(yaml, len);
if (yaml_line == NULL) {
break;
}
lines++;
// skip empty line
if (yaml[0] == 0)
goto next;
depth = yaml_get_depth(yaml);
if (depth <= current_depth) {
current_depth = depth;
// end the parsing cycle
if (in_uwsgi_section)
return;
}
else if (depth > current_depth && !in_uwsgi_section) {
goto next;
}
key = yaml_lstrip(yaml);
// skip empty line
if (key[0] == 0)
goto next;
// skip list and {} defined dict
if (key[0] == '-' || key[0] == '[' || key[0] == '{') {
if (in_uwsgi_section)
return;
goto next;
}
if (!in_uwsgi_section) {
section = strchr(key, ':');
if (!section)
goto next;
section[0] = 0;
if (!strcmp(key, section_asked)) {
in_uwsgi_section = 1;
}
}
else {
// get dict value
val = strstr(key, ": ");
if (!val) {
val = strstr(key, ":\t");
}
if (!val)
return;
// get the right key
val[0] = 0;
// yeah overengeneering....
yaml_rstrip(key);
val = yaml_lstrip(val + 2);
yaml_rstrip(val);
//uwsgi_log("YAML: %s = %s\n", key, val);
add_exported_option((char *) key, val, 0);
}
next:
len -= (yaml_line - yaml);
yaml += (yaml_line - yaml);
}
#endif
}
void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
void *plugin_handle = NULL;
char *plugin_abs_path = NULL;
char *plugin_filename = NULL;
int need_free = 0;
char *plugin_name = uwsgi_strip(uwsgi_str(plugin));
char *plugin_symbol_name_start = plugin_name;
struct uwsgi_plugin *up;
char linkpath_buf[1024], linkpath[1024];
int linkpath_size;
char *colon = strchr(plugin_name, ':');
if (colon) {
colon[0] = 0;
modifier = atoi(plugin_name);
plugin_name = colon + 1;
colon[0] = ':';
}
if (!uwsgi_endswith(plugin_name, "_plugin.so")) {
plugin_name = uwsgi_concat2(plugin_name, "_plugin.so");
need_free = 1;
}
plugin_symbol_name_start = plugin_name;
// step 1: check for absolute plugin (stop if it fails)
if (strchr(plugin_name, '/')) {
#ifdef UWSGI_ELF
uwsgi_plugin_parse_section(plugin_name);
#endif
plugin_handle = dlopen(plugin_name, RTLD_NOW | RTLD_GLOBAL);
if (!plugin_handle) {
if (!has_option)
uwsgi_log("%s\n", dlerror());
goto end;
}
plugin_symbol_name_start = uwsgi_get_last_char(plugin_name, '/');
plugin_symbol_name_start++;
plugin_abs_path = plugin_name;
goto success;
}
// step dir, check for user-supplied plugins directory
struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
while (pdir) {
plugin_filename = uwsgi_concat3(pdir->value, "/", plugin_name);
#ifdef UWSGI_ELF
uwsgi_plugin_parse_section(plugin_filename);
#endif
plugin_handle = dlopen(plugin_filename, RTLD_NOW | RTLD_GLOBAL);
if (plugin_handle) {
plugin_abs_path = plugin_filename;
//free(plugin_filename);
goto success;
}
free(plugin_filename);
plugin_filename = NULL;
pdir = pdir->next;
}
// last step: search in compile-time plugin_dir
if (!plugin_handle) {
plugin_filename = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", plugin_name);
#ifdef UWSGI_ELF
uwsgi_plugin_parse_section(plugin_filename);
#endif
plugin_handle = dlopen(plugin_filename, RTLD_NOW | RTLD_GLOBAL);
plugin_abs_path = plugin_filename;
//free(plugin_filename);
}
success:
if (!plugin_handle) {
if (!has_option)
uwsgi_log("!!! UNABLE to load uWSGI plugin: %s !!!\n", dlerror());
}
else {
char *plugin_entry_symbol = uwsgi_concat2n(plugin_symbol_name_start, strlen(plugin_symbol_name_start) - 3, "", 0);
up = dlsym(plugin_handle, plugin_entry_symbol);
if (!up) {
// is it a link ?
memset(linkpath_buf, 0, 1024);
memset(linkpath, 0, 1024);
if ((linkpath_size = readlink(plugin_abs_path, linkpath_buf, 1023)) > 0) {
do {
linkpath_buf[linkpath_size] = '\0';
strncpy(linkpath, linkpath_buf, linkpath_size + 1);
} while ((linkpath_size = readlink(linkpath, linkpath_buf, 1023)) > 0);
#ifdef UWSGI_DEBUG
uwsgi_log("%s\n", linkpath);
#endif
free(plugin_entry_symbol);
char *slash = uwsgi_get_last_char(linkpath, '/');
if (!slash) {
slash = linkpath;
}
else {
slash++;
}
plugin_entry_symbol = uwsgi_concat2n(slash, strlen(slash) - 3, "", 0);
up = dlsym(plugin_handle, plugin_entry_symbol);
}
}
if (up) {
if (!up->name) {
uwsgi_log("the loaded plugin (%s) has no .name attribute\n", plugin_name);
if (dlclose(plugin_handle)) {
uwsgi_error("dlclose()");
}
if (need_free)
free(plugin_name);
if (plugin_filename)
free(plugin_filename);
free(plugin_entry_symbol);
return NULL;
}
if (plugin_already_loaded(up->name)) {
if (dlclose(plugin_handle)) {
uwsgi_error("dlclose()");
}
if (need_free)
free(plugin_name);
if (plugin_filename)
free(plugin_filename);
free(plugin_entry_symbol);
return NULL;
}
if (has_option) {
struct uwsgi_option *op = up->options;
int found = 0;
while (op && op->name) {
if (!strcmp(has_option, op->name)) {
found = 1;
break;
}
op++;
}
if (!found) {
if (dlclose(plugin_handle)) {
uwsgi_error("dlclose()");
}
if (need_free)
free(plugin_name);
if (plugin_filename)
free(plugin_filename);
free(plugin_entry_symbol);
return NULL;
}
}
if (modifier != -1) {
fill_plugin_table(modifier, up);
up->modifier1 = modifier;
}
else {
fill_plugin_table(up->modifier1, up);
}
if (need_free)
free(plugin_name);
if (plugin_filename)
free(plugin_filename);
free(plugin_entry_symbol);
if (up->on_load)
up->on_load();
return plugin_handle;
}
if (!has_option)
uwsgi_log("%s\n", dlerror());
}
end:
if (need_free)
free(plugin_name);
if (plugin_filename)
free(plugin_filename);
return NULL;
}
void uwsgi_ini_config(char *file, char *magic_table[]) {
size_t len = 0;
char *ini;
char *ini_line;
char *section = "";
char *key;
char *val;
int lines = 1;
char *section_asked = "uwsgi";
char *colon;
if (uwsgi_check_scheme(file)) {
colon = uwsgi_get_last_char(file, '/');
colon = uwsgi_get_last_char(colon, ':');
}
else {
colon = uwsgi_get_last_char(file, ':');
}
if (colon) {
colon[0] = 0;
if (colon[1] != 0) {
section_asked = colon + 1;
}
}
if (file[0] != 0) {
uwsgi_log_initial("[uWSGI] getting INI configuration from %s\n", file);
}
ini = uwsgi_open_and_read(file, &len, 1, magic_table);
while (len) {
ini_line = ini_get_line(ini, len);
if (ini_line == NULL) {
break;
}
lines++;
// skip empty line
key = ini_lstrip(ini);
ini_rstrip(key);
if (key[0] != 0) {
if (key[0] == '[') {
section = key + 1;
section[strlen(section) - 1] = 0;
}
else if (key[0] == ';' || key[0] == '#') {
// this is a comment
}
else {
// val is always valid, but (obviously) can be ignored
val = ini_get_key(key);
if (!strcmp(section, section_asked)) {
ini_rstrip(key);
val = ini_lstrip(val);
ini_rstrip(val);
add_exported_option((char *) key, val, 0);
}
}
}
len -= (ini_line - ini);
ini += (ini_line - ini);
}
if (colon) {
colon[0] = ':';
}
}
static char *emperor_check_on_demand_socket(char *filename) {
size_t len = 0;
if (uwsgi.emperor_on_demand_extension) {
char *tmp = uwsgi_concat2(filename, uwsgi.emperor_on_demand_extension);
int fd = open(tmp, O_RDONLY);
free(tmp);
if (fd < 0) return NULL;
char *ret = uwsgi_read_fd(fd, &len, 1);
close(fd);
// change the first non prinabel character to 0
size_t i;
for(i=0;i<len;i++) {
if (ret[i] < 32) {
ret[i] = 0;
break;
}
}
if (ret[0] == 0) {
free(ret);
return NULL;
}
return ret;
}
else if (uwsgi.emperor_on_demand_directory) {
// we need to build the socket path automagically
char *start_of_vassal_name = uwsgi_get_last_char(filename, '/');
if (!start_of_vassal_name) {
start_of_vassal_name = filename;
}
else {
start_of_vassal_name++;
}
char *last_dot = uwsgi_get_last_char(filename, '.');
if (!last_dot) return NULL;
return uwsgi_concat4n(uwsgi.emperor_on_demand_directory, strlen(uwsgi.emperor_on_demand_directory), "/", 1, start_of_vassal_name, last_dot - start_of_vassal_name, ".socket", 7);
}
else if (uwsgi.emperor_on_demand_exec) {
int cpipe[2];
if (pipe(cpipe)) {
uwsgi_error("emperor_check_on_demand_socket()pipe()");
return NULL;
}
char *cmd = uwsgi_concat4(uwsgi.emperor_on_demand_exec, " \"", filename, "\"");
int r = uwsgi_run_command(cmd, NULL, cpipe[1]);
free(cmd);
if (r < 0) {
close(cpipe[0]);
close(cpipe[1]);
return NULL;
}
char *ret = uwsgi_read_fd(cpipe[0], &len, 1);
close(cpipe[0]);
close(cpipe[1]);
// change the first non prinabel character to 0
size_t i;
for(i=0;i<len;i++) {
if (ret[i] < 32) {
ret[i] = 0;
break;
}
}
if (ret[0] == 0) {
free(ret);
return NULL;
}
return ret;
}
return NULL;
}
/*
extremely complex function for reading resources (files, url...)
need a lot of refactoring...
*/
char *uwsgi_open_and_read(char *url, size_t *size, int add_zero, char *magic_table[]) {
int fd;
struct stat sb;
char *buffer = NULL;
char byte;
ssize_t len;
char *uri, *colon;
char *domain;
char *ip;
int body = 0;
char *magic_buf;
// stdin ?
if (!strcmp(url, "-")) {
buffer = uwsgi_read_fd(0, size, add_zero);
}
// fd ?
else if (!strncmp("fd://", url, 5)) {
fd = atoi(url + 5);
buffer = uwsgi_read_fd(fd, size, add_zero);
}
// exec ?
else if (!strncmp("exec://", url, 5)) {
int cpipe[2];
if (pipe(cpipe)) {
uwsgi_error("pipe()");
exit(1);
}
uwsgi_run_command(url + 7, NULL, cpipe[1]);
buffer = uwsgi_read_fd(cpipe[0], size, add_zero);
close(cpipe[0]);
close(cpipe[1]);
}
// http url ?
else if (!strncmp("http://", url, 7)) {
domain = url + 7;
uri = strchr(domain, '/');
if (!uri) {
uwsgi_log("invalid http url\n");
exit(1);
}
uri[0] = 0;
uwsgi_log("domain: %s\n", domain);
colon = uwsgi_get_last_char(domain, ':');
if (colon) {
colon[0] = 0;
}
ip = uwsgi_resolve_ip(domain);
if (!ip) {
uwsgi_log("unable to resolve address %s\n", domain);
exit(1);
}
if (colon) {
colon[0] = ':';
ip = uwsgi_concat2(ip, colon);
}
else {
ip = uwsgi_concat2(ip, ":80");
}
fd = uwsgi_connect(ip, 0, 0);
if (fd < 0) {
exit(1);
}
free(ip);
uri[0] = '/';
len = write(fd, "GET ", 4);
len = write(fd, uri, strlen(uri));
len = write(fd, " HTTP/1.0\r\n", 11);
len = write(fd, "Host: ", 6);
uri[0] = 0;
len = write(fd, domain, strlen(domain));
uri[0] = '/';
len = write(fd, "\r\nUser-Agent: uWSGI on ", 23);
len = write(fd, uwsgi.hostname, uwsgi.hostname_len);
len = write(fd, "\r\n\r\n", 4);
int http_status_code_ptr = 0;
while (read(fd, &byte, 1) == 1) {
if (byte == '\r' && body == 0) {
body = 1;
}
else if (byte == '\n' && body == 1) {
body = 2;
}
else if (byte == '\r' && body == 2) {
body = 3;
}
else if (byte == '\n' && body == 3) {
body = 4;
}
else if (body == 4) {
*size = *size + 1;
char *tmp = realloc(buffer, *size);
if (!tmp) {
uwsgi_error("uwsgi_open_and_read()/realloc()");
exit(1);
}
buffer = tmp;
buffer[*size - 1] = byte;
}
else {
body = 0;
http_status_code_ptr++;
if (http_status_code_ptr == 10) {
if (byte != '2') {
uwsgi_log("Not usable HTTP response: %cxx\n", byte);
if (uwsgi.has_emperor) {
exit(UWSGI_EXILE_CODE);
}
else {
exit(1);
}
}
}
}
}
close(fd);
if (add_zero) {
*size = *size + 1;
char *tmp = realloc(buffer, *size);
if (!tmp) {
uwsgi_error("uwsgi_open_and_read()/realloc()");
exit(1);
}
buffer = tmp;
buffer[*size - 1] = 0;
}
}
else if (!strncmp("emperor://", url, 10)) {
if (uwsgi.emperor_fd_config < 0) {
uwsgi_log("this is not a vassal instance\n");
exit(1);
}
ssize_t rlen;
*size = 0;
struct uwsgi_header uh;
size_t remains = 4;
char *ptr = (char *) &uh;
while(remains) {
int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
if (ret <= 0) {
uwsgi_log("[uwsgi-vassal] error waiting for config header %s !!!\n", url);
exit(1);
}
rlen = read(uwsgi.emperor_fd_config, ptr, remains);
if (rlen <= 0) {
uwsgi_log("[uwsgi-vassal] error reading config header from !!!\n", url);
exit(1);
}
ptr+=rlen;
remains-=rlen;
}
remains = uh.pktsize;
if (!remains) {
uwsgi_log("[uwsgi-vassal] invalid config from %s\n", url);
exit(1);
}
buffer = uwsgi_calloc(remains + add_zero);
ptr = buffer;
while (remains) {
int ret = uwsgi_waitfd(uwsgi.emperor_fd_config, 5);
if (ret <= 0) {
uwsgi_log("[uwsgi-vassal] error waiting for config %s !!!\n", url);
exit(1);
}
rlen = read(uwsgi.emperor_fd_config, ptr, remains);
if (rlen <= 0) {
uwsgi_log("[uwsgi-vassal] error reading config from !!!\n", url);
exit(1);
}
ptr+=rlen;
remains-=rlen;
}
*size = uh.pktsize + add_zero;
}
#ifdef UWSGI_EMBED_CONFIG
else if (url[0] == 0) {
*size = &UWSGI_EMBED_CONFIG_END - &UWSGI_EMBED_CONFIG;
if (add_zero) {
*size += 1;
}
buffer = uwsgi_malloc(*size);
memset(buffer, 0, *size);
memcpy(buffer, &UWSGI_EMBED_CONFIG, &UWSGI_EMBED_CONFIG_END - &UWSGI_EMBED_CONFIG);
}
#endif
else if (!strncmp("data://", url, 7)) {
fd = open(uwsgi.binary_path, O_RDONLY);
if (fd < 0) {
uwsgi_error_open(uwsgi.binary_path);
exit(1);
}
int slot = atoi(url + 7);
if (slot < 0) {
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
uwsgi_log("requesting binary data slot %d\n", slot);
off_t fo = lseek(fd, 0, SEEK_END);
if (fo < 0) {
uwsgi_error("lseek()");
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
int i = 0;
uint64_t datasize = 0;
for (i = 0; i <= slot; i++) {
fo = lseek(fd, -9, SEEK_CUR);
if (fo < 0) {
uwsgi_error("lseek()");
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
ssize_t len = read(fd, &datasize, 8);
if (len != 8) {
uwsgi_error("read()");
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
if (datasize == 0) {
uwsgi_log("0 size binary data !!!\n");
exit(1);
}
fo = lseek(fd, -(datasize + 9), SEEK_CUR);
if (fo < 0) {
uwsgi_error("lseek()");
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
if (i == slot) {
*size = datasize;
if (add_zero) {
*size += 1;
}
buffer = uwsgi_malloc(*size);
memset(buffer, 0, *size);
len = read(fd, buffer, datasize);
if (len != (ssize_t) datasize) {
uwsgi_error("read()");
uwsgi_log("invalid binary data slot requested\n");
exit(1);
}
}
}
}
else if (!strncmp("sym://", url, 6)) {
char *symbol = uwsgi_concat3("_binary_", url + 6, "_start");
void *sym_start_ptr = dlsym(RTLD_DEFAULT, symbol);
if (!sym_start_ptr) {
uwsgi_log("unable to find symbol %s\n", symbol);
exit(1);
}
free(symbol);
symbol = uwsgi_concat3("_binary_", url + 6, "_end");
void *sym_end_ptr = dlsym(RTLD_DEFAULT, symbol);
if (!sym_end_ptr) {
uwsgi_log("unable to find symbol %s\n", symbol);
exit(1);
}
free(symbol);
*size = sym_end_ptr - sym_start_ptr;
if (add_zero) {
*size += 1;
}
buffer = uwsgi_malloc(*size);
memset(buffer, 0, *size);
memcpy(buffer, sym_start_ptr, sym_end_ptr - sym_start_ptr);
}
#ifdef UWSGI_ELF
else if (!strncmp("section://", url, 10)) {
size_t s_len = 0;
buffer = uwsgi_elf_section(uwsgi.binary_path, url + 10, &s_len);
if (!buffer) {
uwsgi_log("unable to find section %s in %s\n", url + 10, uwsgi.binary_path);
exit(1);
}
*size = s_len;
if (add_zero)
*size += 1;
}
#endif
// fallback to file
else {
fd = open(url, O_RDONLY);
if (fd < 0) {
uwsgi_error_open(url);
exit(1);
}
if (fstat(fd, &sb)) {
uwsgi_error("fstat()");
exit(1);
}
if (S_ISFIFO(sb.st_mode)) {
buffer = uwsgi_read_fd(fd, size, add_zero);
close(fd);
goto end;
}
buffer = uwsgi_malloc(sb.st_size + add_zero);
len = read(fd, buffer, sb.st_size);
if (len != sb.st_size) {
uwsgi_error("read()");
exit(1);
}
close(fd);
*size = sb.st_size + add_zero;
if (add_zero)
buffer[sb.st_size] = 0;
}
end:
if (magic_table) {
magic_buf = magic_sub(buffer, *size, size, magic_table);
free(buffer);
return magic_buf;
}
return buffer;
}
void uwsgi_json_config(char *file, char *magic_table[]) {
size_t len = 0;
char *json_data;
const char *key;
json_t *root;
json_error_t error;
json_t *config;
json_t *config_value, *config_array_item;
void *config_iter;
char *object_asked = "uwsgi";
char *colon;
int i;
if (uwsgi_check_scheme(file)) {
colon = uwsgi_get_last_char(file, '/');
colon = uwsgi_get_last_char(colon, ':');
}
else {
colon = uwsgi_get_last_char(file, ':');
}
if (colon) {
colon[0] = 0;
if (colon[1] != 0) {
object_asked = colon + 1;
}
}
uwsgi_log_initial("[uWSGI] getting JSON configuration from %s\n", file);
json_data = uwsgi_open_and_read(file, &len, 1, magic_table);
#ifdef JANSSON_MAJOR_VERSION
root = json_loads(json_data, 0, &error);
#else
root = json_loads(json_data, &error);
#endif
if (!root) {
uwsgi_log("error parsing JSON data: line %d %s\n", error.line, error.text);
exit(1);
}
config = json_object_get(root, object_asked);
if (!json_is_object(config)) {
uwsgi_log("you must define a object named %s in your JSON data\n", object_asked);
exit(1);
}
config_iter = json_object_iter(config);
while (config_iter) {
key = json_object_iter_key(config_iter);
config_value = json_object_iter_value(config_iter);
if (json_is_string(config_value)) {
add_exported_option((char *) key, (char *) json_string_value(config_value), 0);
}
else if (json_is_true(config_value)) {
add_exported_option((char *) key, strdup("1"), 0);
}
else if (json_is_false(config_value) || json_is_null(config_value)) {
add_exported_option((char *) key, strdup("0"), 0);
}
else if (json_is_integer(config_value)) {
add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_value)), 0);
}
else if (json_is_array(config_value)) {
for (i = 0; i < (int) json_array_size(config_value); i++) {
config_array_item = json_array_get(config_value, i);
if (json_is_string(config_array_item)) {
add_exported_option((char *) key, (char *) json_string_value(config_array_item), 0);
}
else if (json_is_true(config_array_item)) {
add_exported_option((char *) key, strdup("1"), 0);
}
else if (json_is_false(config_array_item) || json_is_null(config_array_item)) {
add_exported_option((char *) key, strdup("0"), 0);
}
else if (json_is_integer(config_array_item)) {
add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_array_item)), 0);
}
}
}
config_iter = json_object_iter_next(config, config_iter);
}
if (colon) colon[0] = ':';
}
