Mercurial > hg > nginx
diff src/http/ngx_http_parse.c @ 314:d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 14 Apr 2004 05:57:36 +0000 |
parents | 117ccc7c4055 |
children | ba876b26b76d |
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--- a/src/http/ngx_http_parse.c Tue Apr 13 15:08:48 2004 +0000 +++ b/src/http/ngx_http_parse.c Wed Apr 14 05:57:36 2004 +0000 @@ -5,19 +5,17 @@ ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r) { - u_char ch, *p; + u_char ch, *p, *m; enum { sw_start = 0, - sw_G, - sw_GE, - sw_H, - sw_HE, - sw_HEA, - sw_P, - sw_PO, - sw_POS, + sw_method, sw_space_after_method, sw_spaces_before_uri, + sw_schema, + sw_schema_slash, + sw_schema_slash_slash, + sw_host, + sw_port, sw_after_slash_in_uri, sw_check_uri, sw_uri, @@ -48,102 +46,46 @@ case sw_start: r->request_start = p - 1; - switch (ch) { - case 'G': - state = sw_G; - break; - case 'H': - state = sw_H; - break; - case 'P': - state = sw_P; - break; - default: + if (ch < 'A' || ch > 'Z') { return NGX_HTTP_PARSE_INVALID_METHOD; } - break; - case sw_G: - switch (ch) { - case 'E': - state = sw_GE; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } - break; - - case sw_GE: - switch (ch) { - case 'T': - r->method = NGX_HTTP_GET; - state = sw_space_after_method; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } - break; - - case sw_H: - switch (ch) { - case 'E': - state = sw_HE; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } + state = sw_method; break; - case sw_HE: - switch (ch) { - case 'A': - state = sw_HEA; + case sw_method: + if (ch == ' ') { + r->method_end = p - 1; + m = r->request_start; + + if (r->method_end - m == 3) { + + if (*m == 'G' && *(m + 1) == 'E' && *(m + 2) == 'T') { + r->method = NGX_HTTP_GET; + } + + } else if (r->method_end - m == 4) { + + if (*m == 'P' && *(m + 1) == 'O' + && *(m + 2) == 'T' && *(m + 3) == 'T') + { + r->method = NGX_HTTP_POST; + + } else if (*m == 'H' && *(m + 1) == 'E' + && *(m + 2) == 'A' && *(m + 3) == 'D') + { + r->method = NGX_HTTP_HEAD; + } + } + + state = sw_spaces_before_uri; break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; } - break; - case sw_HEA: - switch (ch) { - case 'D': - r->method = NGX_HTTP_HEAD; - state = sw_space_after_method; - break; - default: + if (ch < 'A' || ch > 'Z') { return NGX_HTTP_PARSE_INVALID_METHOD; } - break; - case sw_P: - switch (ch) { - case 'O': - state = sw_PO; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } - break; - - case sw_PO: - switch (ch) { - case 'S': - state = sw_POS; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } - break; - - case sw_POS: - switch (ch) { - case 'T': - r->method = NGX_HTTP_POST; - state = sw_space_after_method; - break; - default: - return NGX_HTTP_PARSE_INVALID_METHOD; - } break; /* single space after method */ @@ -167,9 +109,82 @@ case ' ': break; default: - r->unusual_uri = 1; + if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) { + r->schema_start = p - 1; + state = sw_schema; + break; + } + return NGX_HTTP_PARSE_INVALID_REQUEST; + } + break; + + case sw_schema: + switch (ch) { + case ':': + r->schema_end = p - 1; + state = sw_schema_slash; + break; + default: + if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) { + break; + } + return NGX_HTTP_PARSE_INVALID_REQUEST; + } + break; + + case sw_schema_slash: + switch (ch) { + case '/': + state = sw_schema_slash_slash; + break; + default: + return NGX_HTTP_PARSE_INVALID_REQUEST; + } + break; + + case sw_schema_slash_slash: + switch (ch) { + case '/': + r->host_start = p - 1; + state = sw_host; + break; + default: + return NGX_HTTP_PARSE_INVALID_REQUEST; + } + break; + + case sw_host: + switch (ch) { + case ':': + r->host_end = p - 1; + state = sw_port; + break; + case '/': + r->host_end = p - 1; r->uri_start = p - 1; - state = sw_uri; + state = sw_after_slash_in_uri; + break; + default: + if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') + || (ch >= '0' && ch <= '9') || ch == '.' || ch == '-') + { + break; + } + return NGX_HTTP_PARSE_INVALID_REQUEST; + } + break; + + case sw_port: + switch (ch) { + case '/': + r->port_end = p - 1; + r->uri_start = p - 1; + state = sw_after_slash_in_uri; + break; + default: + if (ch < '0' && ch > '9') { + return NGX_HTTP_PARSE_INVALID_REQUEST; + } break; } break;