117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
|
|
/*
|
|
* Copyright (C) NGINX, Inc.
|
|
* Copyright (C) Valentin V. Bartenev
|
|
*/
|
|
|
|
#ifndef _NXT_HTTP_PARSER_H_INCLUDED_
|
|
#define _NXT_HTTP_PARSER_H_INCLUDED_
|
|
|
|
|
|
typedef enum {
|
|
NXT_HTTP_PARSE_INVALID = 1,
|
|
NXT_HTTP_PARSE_UNSUPPORTED_VERSION,
|
|
NXT_HTTP_PARSE_TOO_LARGE_FIELD,
|
|
} nxt_http_parse_error_t;
|
|
|
|
|
|
typedef struct nxt_http_request_parse_s nxt_http_request_parse_t;
|
|
typedef struct nxt_http_field_s nxt_http_field_t;
|
|
typedef struct nxt_http_fields_hash_s nxt_http_fields_hash_t;
|
|
|
|
|
|
typedef union {
|
|
u_char str[8];
|
|
uint64_t ui64;
|
|
|
|
struct {
|
|
u_char prefix[5];
|
|
u_char major;
|
|
u_char point;
|
|
u_char minor;
|
|
} s;
|
|
} nxt_http_ver_t;
|
|
|
|
|
|
struct nxt_http_request_parse_s {
|
|
nxt_int_t (*handler)(nxt_http_request_parse_t *rp,
|
|
u_char **pos, u_char *end);
|
|
|
|
size_t offset;
|
|
|
|
nxt_str_t method;
|
|
|
|
u_char *target_start;
|
|
u_char *target_end;
|
|
u_char *exten_start;
|
|
u_char *args_start;
|
|
|
|
nxt_str_t path;
|
|
nxt_str_t args;
|
|
nxt_str_t exten;
|
|
|
|
nxt_http_ver_t version;
|
|
|
|
nxt_list_t *fields;
|
|
nxt_mp_t *mem_pool;
|
|
|
|
nxt_str_t field_name;
|
|
nxt_str_t field_value;
|
|
|
|
uint32_t field_hash;
|
|
|
|
/* target with "/." */
|
|
unsigned complex_target:1;
|
|
/* target with "%" */
|
|
unsigned quoted_target:1;
|
|
/* target with " " */
|
|
unsigned space_in_target:1;
|
|
/* target with "+" */
|
|
unsigned plus_in_target:1;
|
|
};
|
|
|
|
|
|
typedef nxt_int_t (*nxt_http_field_handler_t)(void *ctx,
|
|
nxt_http_field_t *field,
|
|
uintptr_t data);
|
|
|
|
|
|
typedef struct {
|
|
nxt_str_t name;
|
|
nxt_http_field_handler_t handler;
|
|
uintptr_t data;
|
|
} nxt_http_field_proc_t;
|
|
|
|
|
|
struct nxt_http_field_s {
|
|
uint16_t hash;
|
|
uint8_t skip; /* 1 bit */
|
|
uint8_t name_length;
|
|
uint32_t value_length;
|
|
u_char *name;
|
|
u_char *value;
|
|
};
|
|
|
|
|
|
#define NXT_HTTP_FIELD_HASH_INIT 159406U
|
|
#define nxt_http_field_hash_char(h, c) (((h) << 4) + (h) + (c))
|
|
#define nxt_http_field_hash_end(h) (((h) >> 16) ^ (h))
|
|
|
|
|
|
nxt_int_t nxt_http_parse_request_init(nxt_http_request_parse_t *rp,
|
|
nxt_mp_t *mp);
|
|
nxt_int_t nxt_http_parse_request(nxt_http_request_parse_t *rp,
|
|
nxt_buf_mem_t *b);
|
|
nxt_int_t nxt_http_parse_fields(nxt_http_request_parse_t *rp,
|
|
nxt_buf_mem_t *b);
|
|
|
|
nxt_int_t nxt_http_fields_hash(nxt_lvlhsh_t *hash, nxt_mp_t *mp,
|
|
nxt_http_field_proc_t items[], nxt_uint_t count);
|
|
nxt_uint_t nxt_http_fields_hash_collisions(nxt_lvlhsh_t *hash, nxt_mp_t *mp,
|
|
nxt_http_field_proc_t items[], nxt_uint_t count, nxt_bool_t level);
|
|
nxt_int_t nxt_http_fields_process(nxt_list_t *fields, nxt_lvlhsh_t *hash,
|
|
void *ctx);
|
|
|
|
|
|
#endif /* _NXT_HTTP_PARSER_H_INCLUDED_ */
|