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HTTP parser.

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This commit is contained in:
Valentin Bartenev
2017-03-01 15:29:18 +03:00
parent fde4d18e3a
commit 4df646a258
7 changed files with 1429 additions and 0 deletions
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457
test/nxt_http_parse_unit_test.c Normal file
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@@ -0,0 +1,457 @@
/*
* Copyright (C) NGINX, Inc.
* Copyright (C) Valentin V. Bartenev
*/
#include <nxt_main.h>
typedef struct {
nxt_str_t method;
nxt_str_t target;
nxt_str_t exten;
nxt_str_t args;
u_char version[8];
/* 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;
} nxt_http_parse_unit_test_request_line_t;
typedef union {
void *pointer;
nxt_http_parse_unit_test_request_line_t request_line;
} nxt_http_parse_unit_test_data_t;
typedef struct {
nxt_str_t request;
nxt_int_t result;
nxt_int_t (*handler)(nxt_http_request_parse_t *rp,
nxt_http_parse_unit_test_data_t *data,
nxt_str_t *request, nxt_log_t *log);
nxt_http_parse_unit_test_data_t data;
} nxt_http_parse_unit_test_case_t;
static nxt_int_t nxt_http_parse_unit_test_run(nxt_http_request_parse_t *rp,
nxt_str_t *request);
static nxt_int_t nxt_http_parse_unit_test_request_line(
nxt_http_request_parse_t *rp, nxt_http_parse_unit_test_data_t *data,
nxt_str_t *request, nxt_log_t *log);
static nxt_int_t nxt_http_unit_test_header_return(void *ctx, nxt_str_t *name,
nxt_str_t *value, uintptr_t data);
static nxt_http_parse_unit_test_case_t nxt_http_unit_test_cases[] = {
{
nxt_string("GET / HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/"),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
0, 0, 0, 0
}}
},
{
nxt_string("XXX-METHOD /d.ir/fi+le.ext?key=val HTTP/1.2\n\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("XXX-METHOD"),
nxt_string("/d.ir/fi+le.ext?key=val"),
nxt_string("ext?key=val"),
nxt_string("key=val"),
"HTTP/1.2",
0, 0, 0, 1
}}
},
{
nxt_string("GET /di.r/? HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/di.r/?"),
nxt_null_string,
nxt_string(""),
"HTTP/1.0",
0, 0, 0, 0
}}
},
{
nxt_string("GEt / HTTP/1.0\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET /\0 HTTP/1.0\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET /\r HTTP/1.0\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET /\n HTTP/1.0\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.0\r\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET /. HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/."),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
1, 0, 0, 0
}}
},
{
nxt_string("GET /# HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/#"),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
1, 0, 0, 0
}}
},
{
nxt_string("GET /?# HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/?#"),
nxt_null_string,
nxt_string("#"),
"HTTP/1.0",
1, 0, 0, 0
}}
},
{
nxt_string("GET // HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("//"),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
1, 0, 0, 0
}}
},
{
nxt_string("GET /%20 HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/%20"),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
0, 1, 0, 0
}}
},
{
nxt_string("GET / a HTTP/1.0\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/ a"),
nxt_null_string,
nxt_null_string,
"HTTP/1.0",
0, 0, 1, 0
}}
},
{
nxt_string("GET / HTTP/1.0 HTTP/1.1\r\n\r\n"),
NXT_DONE,
&nxt_http_parse_unit_test_request_line,
{ .request_line = {
nxt_string("GET"),
nxt_string("/ HTTP/1.0"),
nxt_null_string,
nxt_null_string,
"HTTP/1.1",
0, 0, 1, 0
}}
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: example.com\r\n\r\n"),
NXT_DONE,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
":Host: example.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Ho_st: example.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Ho\0st: example.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Ho\rst: example.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: exa\0mple.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"Host: exa\rmple.com\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
{
nxt_string("GET / HTTP/1.1\r\n"
"X-Bad-Header: value\r\n\r\n"),
NXT_ERROR,
NULL, { NULL }
},
};
static nxt_http_fields_t nxt_http_unit_test_headers[] = {
{ nxt_string("X-Bad-Header"),
&nxt_http_unit_test_header_return,
(uintptr_t) NXT_ERROR },
{ nxt_null_string, NULL, 0 }
};
nxt_int_t
nxt_http_parse_unit_test(nxt_thread_t *thr)
{
nxt_int_t rc;
nxt_uint_t i;
nxt_mem_pool_t *pool;
nxt_http_fields_hash_t *hash;
nxt_http_request_parse_t rp;
nxt_http_parse_unit_test_case_t *test;
nxt_thread_time_update(thr);
pool = nxt_mem_pool_create(512);
if (pool == NULL) {
return NXT_ERROR;
}
hash = nxt_http_fields_hash(nxt_http_unit_test_headers, pool);
if (hash == NULL) {
return NXT_ERROR;
}
for (i = 0; i < nxt_nitems(nxt_http_unit_test_cases); i++) {
test = &nxt_http_unit_test_cases[i];
nxt_memzero(&rp, sizeof(nxt_http_request_parse_t));
rp.hash = hash;
rc = nxt_http_parse_unit_test_run(&rp, &test->request);
if (rc != test->result) {
nxt_log_alert(thr->log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - result: %i (expected: %i)",
&test->request, rc, test->result);
return NXT_ERROR;
}
if (test->handler != NULL
&& test->handler(&rp, &test->data, &test->request, thr->log)
!= NXT_OK)
{
return NXT_ERROR;
}
}
nxt_mem_pool_destroy(pool);
nxt_log_error(NXT_LOG_NOTICE, thr->log, "http parse unit test passed");
return NXT_OK;
}
static nxt_int_t
nxt_http_parse_unit_test_run(nxt_http_request_parse_t *rp, nxt_str_t *request)
{
nxt_int_t rc;
nxt_buf_mem_t buf;
buf.start = request->start;
buf.end = request->start + request->length;
buf.pos = buf.start;
buf.free = buf.pos + 1;
do {
buf.free++;
rc = nxt_http_parse_request(rp, &buf);
} while (buf.free < buf.end && rc == NXT_AGAIN);
return rc;
}
static nxt_int_t
nxt_http_parse_unit_test_request_line(nxt_http_request_parse_t *rp,
nxt_http_parse_unit_test_data_t *data, nxt_str_t *request, nxt_log_t *log)
{
nxt_str_t str;
nxt_http_parse_unit_test_request_line_t *test = &data->request_line;
if (rp->method.start != test->method.start
&& !nxt_strstr_eq(&rp->method, &test->method))
{
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - method: \"%V\" (expected: \"%V\")",
request, &rp->method, &test->method);
return NXT_ERROR;
}
str.length = rp->target_end - rp->target_start;
str.start = rp->target_start;
if (str.start != test->target.start
&& !nxt_strstr_eq(&str, &test->target))
{
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - target: \"%V\" (expected: \"%V\")",
request, &str, &test->target);
return NXT_ERROR;
}
str.length = (rp->exten_start != NULL) ? rp->target_end - rp->exten_start
: 0;
str.start = rp->exten_start;
if (str.start != test->exten.start
&& !nxt_strstr_eq(&str, &test->exten))
{
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - exten: \"%V\" (expected: \"%V\")",
request, &str, &test->exten);
return NXT_ERROR;
}
str.length = (rp->args_start != NULL) ? rp->target_end - rp->args_start
: 0;
str.start = rp->args_start;
if (str.start != test->args.start
&& !nxt_strstr_eq(&str, &test->args))
{
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - args: \"%V\" (expected: \"%V\")",
request, &str, &test->args);
return NXT_ERROR;
}
if (nxt_memcmp(rp->version.str, test->version, 8) != 0) {
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - version: \"%*s\" (expected: \"%*s\")",
request, 8, rp->version.str, 8, test->version);
return NXT_ERROR;
}
if (rp->complex_target != test->complex_target) {
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - complex_target: %d (expected: %d)",
request, rp->complex_target, test->complex_target);
return NXT_ERROR;
}
if (rp->quoted_target != test->quoted_target) {
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - quoted_target: %d (expected: %d)",
request, rp->quoted_target, test->quoted_target);
return NXT_ERROR;
}
if (rp->space_in_target != test->space_in_target) {
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - space_in_target: %d (expected: %d)",
request, rp->space_in_target, test->space_in_target);
return NXT_ERROR;
}
if (rp->plus_in_target != test->plus_in_target) {
nxt_log_alert(log, "http parse unit test case failed:\n"
" - request:\n\"%V\"\n"
" - plus_in_target: %d (expected: %d)",
request, rp->plus_in_target, test->plus_in_target);
return NXT_ERROR;
}
return NXT_OK;
}
static nxt_int_t
nxt_http_unit_test_header_return(void *ctx, nxt_str_t *name, nxt_str_t *value,
uintptr_t data)
{
return (nxt_int_t) data;
}

4
test/nxt_lib_unit_test.c
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@@ -149,5 +149,9 @@ main(int argc, char **argv)
return 1;
}
if (nxt_http_parse_unit_test(thr) != NXT_OK) {
return 1;
}
return 0;
}

1
test/nxt_lib_unit_test.h
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@@ -65,6 +65,7 @@ nxt_int_t nxt_gmtime_unit_test(nxt_thread_t *thr);
nxt_int_t nxt_sprintf_unit_test(nxt_thread_t *thr);
nxt_int_t nxt_malloc_unit_test(nxt_thread_t *thr);
nxt_int_t nxt_utf8_unit_test(nxt_thread_t *thr);
nxt_int_t nxt_http_parse_unit_test(nxt_thread_t *thr);
#endif /* _NXT_LIB_UNIT_TEST_H_INCLUDED_ */