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lighttpd2/include/lighttpd/condition.h

159 lines
4.5 KiB

#ifndef _LIGHTTPD_CONDITION_H_
#define _LIGHTTPD_CONDITION_H_
#ifndef _LIGHTTPD_BASE_H_
#error Please include <lighttpd/base.h> instead of this file
#endif
/**
* possible compare ops in the configfile parser
*/
typedef enum {
/* everything */
LI_CONFIG_COND_EQ, /** == */
LI_CONFIG_COND_NE, /** != */
/* only with string */
LI_CONFIG_COND_PREFIX, /** =^ */
LI_CONFIG_COND_NOPREFIX,/** !^ */
LI_CONFIG_COND_SUFFIX, /** =$ */
LI_CONFIG_COND_NOSUFFIX,/** !$ */
LI_CONFIG_COND_MATCH, /** =~ */
LI_CONFIG_COND_NOMATCH, /** !~ */
/* only with ip */
LI_CONFIG_COND_IP,
LI_CONFIG_COND_NOTIP,
/* only with int */
LI_CONFIG_COND_GT, /** > */
LI_CONFIG_COND_GE, /** >= */
LI_CONFIG_COND_LT, /** < */
LI_CONFIG_COND_LE /** <= */
} liCompOperator;
/**
* possible fields to match against
*/
typedef enum {
LI_COMP_REQUEST_LOCALIP,
LI_COMP_REQUEST_LOCALPORT,
LI_COMP_REQUEST_REMOTEIP,
LI_COMP_REQUEST_REMOTEPORT,
LI_COMP_REQUEST_PATH,
LI_COMP_REQUEST_RAW_PATH,
LI_COMP_REQUEST_HOST,
LI_COMP_REQUEST_SCHEME,
LI_COMP_REQUEST_QUERY_STRING,
LI_COMP_REQUEST_METHOD,
LI_COMP_REQUEST_CONTENT_LENGTH,
LI_COMP_REQUEST_IS_HANDLED,
LI_COMP_PHYSICAL_PATH,
LI_COMP_PHYSICAL_EXISTS,
LI_COMP_PHYSICAL_SIZE,
LI_COMP_PHYSICAL_ISDIR,
LI_COMP_PHYSICAL_ISFILE,
LI_COMP_PHYSICAL_DOCROOT,
LI_COMP_PHYSICAL_PATHINFO,
LI_COMP_RESPONSE_STATUS,
/* needs a key */
LI_COMP_REQUEST_HEADER, /**< needs lowercase key, enforced by li_condition_lvalue_new */
LI_COMP_RESPONSE_HEADER, /**< needs lowercase key, enforced by li_condition_lvalue_new */
LI_COMP_ENVIRONMENT,
LI_COMP_UNKNOWN
} liCondLValue;
#define LI_COND_LVALUE_FIRST_WITH_KEY LI_COMP_REQUEST_HEADER
#define LI_COND_LVALUE_END (LI_COMP_UNKNOWN)
struct liConditionLValue {
int refcount;
liCondLValue type;
GString *key;
};
typedef enum {
LI_COND_VALUE_BOOL,
LI_COND_VALUE_NUMBER,
LI_COND_VALUE_STRING,
LI_COND_VALUE_REGEXP,
LI_COND_VALUE_SOCKET_IPV4, /** only match ip/netmask */
LI_COND_VALUE_SOCKET_IPV6 /** only match ip/netmask */
} liCondRValue;
struct liConditionRValue {
liCondRValue type;
gboolean b;
GString *string;
GRegex *regex;
gint64 i;
struct {
guint32 addr;
guint32 networkmask;
} ipv4;
struct {
guint8 addr[16];
guint network;
} ipv6;
};
#include <lighttpd/base.h>
struct liCondition {
int refcount;
liCompOperator op;
liConditionLValue *lvalue;
liConditionRValue rvalue;
};
/* lvalue */
LI_API liConditionLValue* li_condition_lvalue_new(liCondLValue type, GString *key);
LI_API void li_condition_lvalue_acquire(liConditionLValue *lvalue);
LI_API void li_condition_lvalue_release(liConditionLValue *lvalue);
LI_API liCondition* li_condition_new_bool(liServer *srv, liConditionLValue *lvalue, gboolean b);
LI_API liCondition* li_condition_new_string(liServer *srv, liCompOperator op, liConditionLValue *lvalue, GString *str);
LI_API liCondition* li_condition_new_int(liServer *srv, liCompOperator op, liConditionLValue *lvalue, gint64 i);
LI_API void li_condition_acquire(liCondition *c);
LI_API void li_condition_release(liServer *srv, liCondition* c);
LI_API const char* li_comp_op_to_string(liCompOperator op);
LI_API const char* li_cond_lvalue_to_string(liCondLValue t);
LI_API liCondLValue li_cond_lvalue_from_string(const gchar *str, guint len);
LI_API liHandlerResult li_condition_check(liVRequest *vr, liCondition *cond, gboolean *result);
/* condition values */
typedef enum {
LI_COND_VALUE_HINT_ANY, /* given as string */
LI_COND_VALUE_HINT_STRING, /* use only string matching, don't parse as int/ip */
LI_COND_VALUE_HINT_BOOL, /* value is a boolean, should not be converted to string for matching (but possible for debug: FALSE and TRUE) */
LI_COND_VALUE_HINT_NUMBER, /* value is a number, can be converted to string for matching */
LI_COND_VALUE_HINT_SOCKADDR /* value is a socket address, can be converted to string for matching (especially for unix sockets */
} liConditionValueType;
/* boolean matches: for ANY/STRING: value != "", for NUMBER: value != 0, IP: always true */
typedef struct {
liConditionValueType match_type;
union {
const gchar *str;
gint64 number;
gboolean bool;
liSocketAddress addr;
} data;
} liConditionValue;
LI_API liHandlerResult li_condition_get_value(GString *tmpstr, liVRequest *vr, liConditionLValue *lvalue, liConditionValue *res, liConditionValueType prefer);
/* tmpstr can be the same as for li_condition_get_value */
LI_API gchar const* li_condition_value_to_string(GString *tmpstr, liConditionValue *value);
#endif