lighttpd 1.4.x https://www.lighttpd.net/
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#include "base.h"
#include "buffer.h"
#include "array.h"
#include "log.h"
/**
* like all glue code this file contains functions which
* are the external interface of lighttpd. The functions
* are used by the server itself and the plugins.
*
* The main-goal is to have a small library in the end
* which is linked against both and which will define
* the interface itself in the end.
*
*/
/* handle global options */
/* parse config array */
int config_insert_values_internal(server *srv, array *ca, const config_values_t cv[]) {
size_t i;
data_unset *du;
for (i = 0; cv[i].key; i++) {
if (NULL == (du = array_get_element(ca, cv[i].key))) {
/* no found */
continue;
}
switch (cv[i].type) {
case T_CONFIG_ARRAY:
if (du->type == TYPE_ARRAY) {
size_t j;
data_array *da = (data_array *)du;
for (j = 0; j < da->value->used; j++) {
if (da->value->data[j]->type == TYPE_STRING) {
data_string *ds = data_string_init();
buffer_copy_string_buffer(ds->value, ((data_string *)(da->value->data[j]))->value);
buffer_copy_string_buffer(ds->key, ((data_string *)(da->value->data[j]))->key);
array_insert_unique(cv[i].destination, (data_unset *)ds);
} else {
log_error_write(srv, __FILE__, __LINE__, "sssbs", "unexpected type for key: ", cv[i].key, "[", da->value->data[i]->key, "](string)");
return -1;
}
}
} else {
log_error_write(srv, __FILE__, __LINE__, "sss", "unexpected type for key: ", cv[i].key, "array of strings");
return -1;
}
break;
case T_CONFIG_STRING:
if (du->type == TYPE_STRING) {
data_string *ds = (data_string *)du;
buffer_copy_string_buffer(cv[i].destination, ds->value);
} else {
log_error_write(srv, __FILE__, __LINE__, "ssss", "unexpected type for key: ", cv[i].key, "(string)", "\"...\"");
return -1;
}
break;
case T_CONFIG_SHORT:
switch(du->type) {
case TYPE_INTEGER: {
data_integer *di = (data_integer *)du;
*((unsigned short *)(cv[i].destination)) = di->value;
break;
}
case TYPE_STRING: {
data_string *ds = (data_string *)du;
log_error_write(srv, __FILE__, __LINE__, "ssbss", "unexpected type for key: ", cv[i].key, ds->value, "(short)", "0 ... 65535");
return -1;
}
default:
log_error_write(srv, __FILE__, __LINE__, "ssdss", "unexpected type for key: ", cv[i].key, du->type, "(short)", "0 ... 65535");
return -1;
}
break;
case T_CONFIG_BOOLEAN:
if (du->type == TYPE_STRING) {
data_string *ds = (data_string *)du;
if (buffer_is_equal_string(ds->value, CONST_STR_LEN("enable"))) {
*((unsigned short *)(cv[i].destination)) = 1;
} else if (buffer_is_equal_string(ds->value, CONST_STR_LEN("disable"))) {
*((unsigned short *)(cv[i].destination)) = 0;
} else {
log_error_write(srv, __FILE__, __LINE__, "ssbs", "ERROR: unexpected value for key:", cv[i].key, ds->value, "(enable|disable)");
return -1;
}
} else {
log_error_write(srv, __FILE__, __LINE__, "ssss", "ERROR: unexpected type for key:", cv[i].key, "(string)", "\"(enable|disable)\"");
return -1;
}
break;
case T_CONFIG_LOCAL:
case T_CONFIG_UNSET:
break;
case T_CONFIG_DEPRECATED:
log_error_write(srv, __FILE__, __LINE__, "ssss", "ERROR: found deprecated key:", cv[i].key, "-", (char *)(cv[i].destination));
srv->config_deprecated = 1;
break;
}
}
return 0;
}
int config_insert_values_global(server *srv, array *ca, const config_values_t cv[]) {
size_t i;
data_unset *du;
for (i = 0; cv[i].key; i++) {
data_string *touched;
if (NULL == (du = array_get_element(ca, cv[i].key))) {
/* no found */
continue;
}
/* touched */
touched = data_string_init();
buffer_copy_string(touched->value, "");
buffer_copy_string_buffer(touched->key, du->key);
array_insert_unique(srv->config_touched, (data_unset *)touched);
}
return config_insert_values_internal(srv, ca, cv);
}
int config_check_cond(server *srv, connection *con, data_config *dc) {
buffer *l;
server_socket *srv_sock = con->srv_socket;
/* pass the rules */
l = srv->empty_string;
if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("HTTPhost"))) {
l = con->uri.authority;
} else if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("HTTPurl"))) {
l = con->uri.path;
} else if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("SERVERsocket"))) {
l = srv_sock->srv_token;
} else if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("HTTPreferer"))) {
data_string *ds;
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Referer"))) {
l = ds->value;
}
} else if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("HTTPcookie"))) {
data_string *ds;
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Cookie"))) {
l = ds->value;
}
} else if (buffer_is_equal_string(dc->comp_key, CONST_STR_LEN("HTTPuseragent"))) {
data_string *ds;
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "User-Agent"))) {
l = ds->value;
}
} else {
return 0;
}
switch(dc->cond) {
case CONFIG_COND_NE:
case CONFIG_COND_EQ:
if (buffer_is_equal(l, dc->match.string)) {
return (dc->cond == CONFIG_COND_EQ) ? 1 : 0;
} else {
return (dc->cond == CONFIG_COND_EQ) ? 0 : 1;
}
break;
#ifdef HAVE_PCRE_H
case CONFIG_COND_NOMATCH:
case CONFIG_COND_MATCH: {
#define N 10
int ovec[N * 3];
int n;
n = pcre_exec(dc->match.regex, NULL, l->ptr, l->used - 1, 0, 0, ovec, N * 3);
if (n > 0) {
return (dc->cond == CONFIG_COND_MATCH) ? 1 : 0;
} else {
return (dc->cond == CONFIG_COND_MATCH) ? 0 : 1;
}
break;
}
#endif
default:
/* no way */
break;
}
return 0;
}