116Svbart@nginx.com 216Svbart@nginx.com /* 316Svbart@nginx.com * Copyright (C) NGINX, Inc. 416Svbart@nginx.com * Copyright (C) Valentin V. Bartenev 516Svbart@nginx.com */ 616Svbart@nginx.com 716Svbart@nginx.com #ifndef _NXT_HTTP_PARSER_H_INCLUDED_ 816Svbart@nginx.com #define _NXT_HTTP_PARSER_H_INCLUDED_ 916Svbart@nginx.com 1016Svbart@nginx.com 11480Svbart@nginx.com typedef enum { 12480Svbart@nginx.com NXT_HTTP_PARSE_INVALID = 1, 13482Svbart@nginx.com NXT_HTTP_PARSE_UNSUPPORTED_VERSION, 14480Svbart@nginx.com NXT_HTTP_PARSE_TOO_LARGE_FIELD, 15480Svbart@nginx.com } nxt_http_parse_error_t; 16480Svbart@nginx.com 17480Svbart@nginx.com 1816Svbart@nginx.com typedef struct nxt_http_request_parse_s nxt_http_request_parse_t; 1967Svbart@nginx.com typedef struct nxt_http_field_s nxt_http_field_t; 2016Svbart@nginx.com typedef struct nxt_http_fields_hash_s nxt_http_fields_hash_t; 2116Svbart@nginx.com 2260Svbart@nginx.com 2360Svbart@nginx.com typedef union { 24417Svbart@nginx.com u_char str[8]; 25417Svbart@nginx.com uint64_t ui64; 26481Svbart@nginx.com 27481Svbart@nginx.com struct { 28481Svbart@nginx.com u_char prefix[5]; 29481Svbart@nginx.com u_char major; 30481Svbart@nginx.com u_char point; 31481Svbart@nginx.com u_char minor; 32481Svbart@nginx.com } s; 3360Svbart@nginx.com } nxt_http_ver_t; 3416Svbart@nginx.com 3516Svbart@nginx.com 3616Svbart@nginx.com struct nxt_http_request_parse_s { 3767Svbart@nginx.com nxt_int_t (*handler)(nxt_http_request_parse_t *rp, 3867Svbart@nginx.com u_char **pos, u_char *end); 3967Svbart@nginx.com 4067Svbart@nginx.com size_t offset; 4116Svbart@nginx.com 4267Svbart@nginx.com nxt_str_t method; 4316Svbart@nginx.com 4467Svbart@nginx.com u_char *target_start; 4567Svbart@nginx.com u_char *target_end; 4667Svbart@nginx.com u_char *exten_start; 4767Svbart@nginx.com u_char *args_start; 4816Svbart@nginx.com 49112Smax.romanov@nginx.com nxt_str_t path; 50112Smax.romanov@nginx.com nxt_str_t args; 51112Smax.romanov@nginx.com nxt_str_t exten; 52112Smax.romanov@nginx.com 5367Svbart@nginx.com nxt_http_ver_t version; 5467Svbart@nginx.com 55417Svbart@nginx.com nxt_list_t *fields; 56417Svbart@nginx.com nxt_mp_t *mem_pool; 5716Svbart@nginx.com 5867Svbart@nginx.com nxt_str_t field_name; 5967Svbart@nginx.com nxt_str_t field_value; 6016Svbart@nginx.com 61417Svbart@nginx.com uint32_t field_hash; 6216Svbart@nginx.com 6316Svbart@nginx.com /* target with "/." */ 6467Svbart@nginx.com unsigned complex_target:1; 6516Svbart@nginx.com /* target with "%" */ 6667Svbart@nginx.com unsigned quoted_target:1; 6716Svbart@nginx.com /* target with " " */ 6867Svbart@nginx.com unsigned space_in_target:1; 6916Svbart@nginx.com /* target with "+" */ 7067Svbart@nginx.com unsigned plus_in_target:1; 7116Svbart@nginx.com }; 7216Svbart@nginx.com 7316Svbart@nginx.com 7460Svbart@nginx.com typedef nxt_int_t (*nxt_http_field_handler_t)(void *ctx, 7560Svbart@nginx.com nxt_http_field_t *field, 76417Svbart@nginx.com uintptr_t data); 7760Svbart@nginx.com 7860Svbart@nginx.com 7916Svbart@nginx.com typedef struct { 8016Svbart@nginx.com nxt_str_t name; 8116Svbart@nginx.com nxt_http_field_handler_t handler; 8216Svbart@nginx.com uintptr_t data; 83417Svbart@nginx.com } nxt_http_field_proc_t; 8460Svbart@nginx.com 8560Svbart@nginx.com 8667Svbart@nginx.com struct nxt_http_field_s { 87417Svbart@nginx.com uint16_t hash; 88417Svbart@nginx.com uint8_t skip; /* 1 bit */ 89417Svbart@nginx.com uint8_t name_length; 90417Svbart@nginx.com uint32_t value_length; 91417Svbart@nginx.com u_char *name; 92417Svbart@nginx.com u_char *value; 9367Svbart@nginx.com }; 9467Svbart@nginx.com 9567Svbart@nginx.com 961059Sigor@sysoev.ru #define NXT_HTTP_FIELD_HASH_INIT 159406U 971059Sigor@sysoev.ru #define nxt_http_field_hash_char(h, c) (((h) << 4) + (h) + (c)) 981059Sigor@sysoev.ru #define nxt_http_field_hash_end(h) (((h) >> 16) ^ (h)) 991059Sigor@sysoev.ru 1001059Sigor@sysoev.ru 101417Svbart@nginx.com nxt_int_t nxt_http_parse_request_init(nxt_http_request_parse_t *rp, 102417Svbart@nginx.com nxt_mp_t *mp); 10316Svbart@nginx.com nxt_int_t nxt_http_parse_request(nxt_http_request_parse_t *rp, 10416Svbart@nginx.com nxt_buf_mem_t *b); 105422Svbart@nginx.com nxt_int_t nxt_http_parse_fields(nxt_http_request_parse_t *rp, 106422Svbart@nginx.com nxt_buf_mem_t *b); 10760Svbart@nginx.com 108417Svbart@nginx.com nxt_int_t nxt_http_fields_hash(nxt_lvlhsh_t *hash, nxt_mp_t *mp, 109417Svbart@nginx.com nxt_http_field_proc_t items[], nxt_uint_t count); 110417Svbart@nginx.com nxt_uint_t nxt_http_fields_hash_collisions(nxt_lvlhsh_t *hash, nxt_mp_t *mp, 111417Svbart@nginx.com nxt_http_field_proc_t items[], nxt_uint_t count, nxt_bool_t level); 112417Svbart@nginx.com nxt_int_t nxt_http_fields_process(nxt_list_t *fields, nxt_lvlhsh_t *hash, 113417Svbart@nginx.com void *ctx); 11416Svbart@nginx.com 11516Svbart@nginx.com 116*1126Smax.romanov@nginx.com const nxt_lvlhsh_proto_t nxt_http_fields_hash_proto; 117*1126Smax.romanov@nginx.com 118*1126Smax.romanov@nginx.com nxt_inline nxt_int_t 119*1126Smax.romanov@nginx.com nxt_http_field_process(nxt_http_field_t *field, nxt_lvlhsh_t *hash, void *ctx) 120*1126Smax.romanov@nginx.com { 121*1126Smax.romanov@nginx.com nxt_lvlhsh_query_t lhq; 122*1126Smax.romanov@nginx.com nxt_http_field_proc_t *proc; 123*1126Smax.romanov@nginx.com 124*1126Smax.romanov@nginx.com lhq.proto = &nxt_http_fields_hash_proto; 125*1126Smax.romanov@nginx.com 126*1126Smax.romanov@nginx.com lhq.key_hash = field->hash; 127*1126Smax.romanov@nginx.com lhq.key.length = field->name_length; 128*1126Smax.romanov@nginx.com lhq.key.start = field->name; 129*1126Smax.romanov@nginx.com 130*1126Smax.romanov@nginx.com if (nxt_lvlhsh_find(hash, &lhq) != NXT_OK) { 131*1126Smax.romanov@nginx.com return NXT_OK; 132*1126Smax.romanov@nginx.com } 133*1126Smax.romanov@nginx.com 134*1126Smax.romanov@nginx.com proc = lhq.value; 135*1126Smax.romanov@nginx.com 136*1126Smax.romanov@nginx.com return proc->handler(ctx, field, proc->data); 137*1126Smax.romanov@nginx.com } 138*1126Smax.romanov@nginx.com 139*1126Smax.romanov@nginx.com 14016Svbart@nginx.com #endif /* _NXT_HTTP_PARSER_H_INCLUDED_ */ 141