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#ifndef _CONFIG_PARSER_H_
#define _CONFIG_PARSER_H_
#include "first.h"
#include "base_decls.h"
#include "array.h"
#include "buffer.h"
#include "vector.h"
/**
* possible compare ops in the configfile parser
*/
typedef enum {
CONFIG_COND_UNSET,
CONFIG_COND_EQ, /** == */
CONFIG_COND_MATCH, /** =~ */
CONFIG_COND_NE, /** != */
CONFIG_COND_NOMATCH, /** !~ */
CONFIG_COND_ELSE /** (always true if reached) */
} config_cond_t;
/**
* possible fields to match against
*/
typedef enum {
COMP_UNSET,
COMP_SERVER_SOCKET,
COMP_HTTP_URL,
COMP_HTTP_HOST,
COMP_HTTP_REFERER, /*(subsumed by COMP_HTTP_REQUEST_HEADER)*/
COMP_HTTP_USER_AGENT, /*(subsumed by COMP_HTTP_REQUEST_HEADER)*/
COMP_HTTP_LANGUAGE, /*(subsumed by COMP_HTTP_REQUEST_HEADER)*/
COMP_HTTP_COOKIE, /*(subsumed by COMP_HTTP_REQUEST_HEADER)*/
COMP_HTTP_REMOTE_IP,
COMP_HTTP_QUERY_STRING,
COMP_HTTP_SCHEME,
COMP_HTTP_REQUEST_METHOD,
COMP_HTTP_REQUEST_HEADER,
COMP_LAST_ELEMENT
} comp_key_t;
/* $HTTP["host"] == "incremental.home.kneschke.de" { ... }
* for print: comp_key op string
* for compare: comp cond string/regex
*/
#ifdef HAVE_PCRE_H
struct pcre_extra; /* declaration */
#endif
typedef struct data_config data_config;
DEFINE_TYPED_VECTOR_NO_RELEASE(config_weak, data_config*);
struct data_config {
DATA_UNSET;
array *value;
buffer *comp_tag;
buffer *comp_key;
comp_key_t comp;
config_cond_t cond;
buffer *op;
int context_ndx; /* more or less like an id */
vector_config_weak children;
/* nested */
data_config *parent;
/* for chaining only */
data_config *prev;
data_config *next;
buffer *string;
#ifdef HAVE_PCRE_H
void *regex;
struct pcre_extra *regex_study;
#endif
};
struct cond_cache_t; /* declaration */
__attribute_cold__
data_config *data_config_init(void);
__attribute_cold__
int data_config_pcre_compile(data_config *dc);
int data_config_pcre_exec(data_config *dc, struct cond_cache_t *cache, buffer *b);
typedef struct {
server *srv;
int ok;
array *all_configs;
vector_config_weak configs_stack; /* to parse nested block */
data_config *current; /* current started with { */
buffer *basedir;
} config_t;
__attribute_cold__
int config_read(server *srv, const char *fn);
__attribute_cold__
int config_set_defaults(server *srv);
__attribute_cold__
void *configparserAlloc(void *(*mallocProc)(size_t));
__attribute_cold__
void configparserFree(void *p, void (*freeProc)(void*));
__attribute_cold__
void configparser(void *yyp, int yymajor, buffer *yyminor, config_t *ctx);
__attribute_cold__
int config_parse_file(server *srv, config_t *context, const char *fn);
__attribute_cold__
int config_parse_cmd(server *srv, config_t *context, const char *cmd);
int config_setup_connection(server *srv, connection *con);
int config_patch_connection(server *srv, connection *con);
void config_cond_cache_reset(server *srv, connection *con);
void config_cond_cache_reset_item(server *srv, connection *con, comp_key_t item);
typedef enum { T_CONFIG_UNSET,
T_CONFIG_STRING,
T_CONFIG_SHORT,
T_CONFIG_INT,
T_CONFIG_BOOLEAN,
T_CONFIG_ARRAY,
T_CONFIG_LOCAL,
T_CONFIG_DEPRECATED,
T_CONFIG_UNSUPPORTED
} config_values_type_t;
typedef enum { T_CONFIG_SCOPE_UNSET,
T_CONFIG_SCOPE_SERVER,
T_CONFIG_SCOPE_CONNECTION
} config_scope_type_t;
typedef struct {
const char *key;
void *destination;
config_values_type_t type;
config_scope_type_t scope;
} config_values_t;
__attribute_cold__
int config_insert_values_global(server *srv, array *ca, const config_values_t *cv, config_scope_type_t scope);
__attribute_cold__
int config_insert_values_internal(server *srv, array *ca, const config_values_t *cv, config_scope_type_t scope);
int config_check_cond(server *srv, connection *con, data_config *dc);
#endif