132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
#ifndef _LIGHTTPD_CONDITION_H_
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#define _LIGHTTPD_CONDITION_H_
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#include "settings.h"
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struct condition_rvalue;
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typedef struct condition_rvalue condition_rvalue;
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struct condition_lvalue;
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typedef struct condition_lvalue condition_lvalue;
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struct condition;
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typedef struct condition condition;
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/**
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* possible compare ops in the configfile parser
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*/
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typedef enum {
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/* everything */
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CONFIG_COND_EQ, /** == */
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CONFIG_COND_NE, /** != */
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/* only usable with pcre */
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CONFIG_COND_MATCH, /** =~ */
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CONFIG_COND_NOMATCH, /** !~ */
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CONFIG_COND_IP,
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CONFIG_COND_NOTIP,
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/* only with int */
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CONFIG_COND_GT, /** > */
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CONFIG_COND_GE, /** >= */
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CONFIG_COND_LT, /** < */
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CONFIG_COND_LE /** <= */
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} comp_operator_t;
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/**
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* possible fields to match against
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*/
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typedef enum {
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COMP_REQUEST_LOCALIP,
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COMP_REQUEST_REMOTEIP,
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COMP_REQUEST_PATH,
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COMP_REQUEST_HOST,
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COMP_REQUEST_SCHEME,
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COMP_REQUEST_QUERY_STRING,
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COMP_REQUEST_METHOD,
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COMP_REQUEST_CONTENT_LENGTH,
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COMP_PHYSICAL_PATH,
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COMP_PHYSICAL_PATH_EXISTS,
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COMP_PHYSICAL_SIZE,
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/* needs a key */
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COMP_REQUEST_HEADER /**< needs lowercase key, enforced by condition_lvalue_new */
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} cond_lvalue_t;
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#define COND_LVALUE_FIRST_WITH_KEY COMP_REQUEST_HEADER
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#define COND_LVALUE_END (1+COMP_REQUEST_HEADER)
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struct condition_lvalue {
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int refcount;
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cond_lvalue_t type;
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GString *key;
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};
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typedef enum {
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COND_VALUE_INT,
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COND_VALUE_STRING,
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#ifdef HAVE_PCRE_H
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COND_VALUE_REGEXP,
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#endif
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COND_VALUE_SOCKET_IPV4, /** only match ip/netmask */
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COND_VALUE_SOCKET_IPV6 /** only match ip/netmask */
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} cond_rvalue_t;
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struct condition_rvalue {
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cond_rvalue_t type;
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GString *string;
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#ifdef HAVE_PCRE_H
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struct {
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pcre *regex;
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pcre_extra *regex_study;
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};
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#endif
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gint64 i;
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struct {
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guint32 addr;
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guint32 networkmask;
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} ipv4;
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struct {
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guint8 addr[16];
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guint network;
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} ipv6;
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};
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#include "base.h"
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struct condition {
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int refcount;
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comp_operator_t op;
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condition_lvalue *lvalue;
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condition_rvalue rvalue;
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};
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/* lvalue */
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LI_API condition_lvalue* condition_lvalue_new(cond_lvalue_t type, GString *key);
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LI_API void condition_lvalue_acquire(condition_lvalue *lvalue);
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LI_API void condition_lvalue_release(condition_lvalue *lvalue);
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LI_API condition* condition_new_string(server *srv, comp_operator_t op, condition_lvalue *lvalue, GString *str);
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LI_API condition* condition_new_int(server *srv, comp_operator_t op, condition_lvalue *lvalue, gint64 i);
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LI_API void condition_acquire(condition *c);
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LI_API void condition_release(server *srv, condition* c);
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LI_API const char* comp_op_to_string(comp_operator_t op);
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LI_API const char* cond_lvalue_to_string(cond_lvalue_t t);
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LI_API gboolean condition_check(server *srv, connection *con, condition *cond);
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/* parser */
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/** parse an IPv4 (if netmask is not NULL with cidr netmask) */
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LI_API gboolean parse_ipv4(const char *str, guint32 *ip, guint32 *netmask);
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/** parse an IPv6 (if network is not NULL with cidr network) */
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LI_API gboolean parse_ipv6(const char *str, guint8 *ip, guint *network);
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LI_API GString* ipv6_tostring(const guint8 ip[16]);
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#endif
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