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/*
* Copyright (c) 2020, 2022 Omar Polo <op@omarpolo.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdio.h>
#include <string.h>
#include "../gmid.h"
#define ENCTEST(buf, len, raw, exp) \
if (encode_path(buf, len, raw) == -1) { \
fprintf(stderr, "%s:%d: failed to encode: %s\n", \
__FILE__, __LINE__, raw); \
exit(1); \
} \
if (strcmp(buf, exp) != 0) { \
fprintf(stderr, "%s:%d: error: " \
"unexpected encoding: got %s, want %s\n", \
__FILE__, __LINE__, buf, exp); \
exit(1); \
}
#define TEST(iri, fail, exp, descr) \
if (!run_test(iri, fail, exp)) { \
fprintf(stderr, "%s:%d: error: %s\n", \
__FILE__, __LINE__, descr); \
exit(1); \
}
#define IRI(schema, host, port, path, query, frag) \
((struct iri){(char*)schema, (char*)host, (char*)port, \
0, (char*)path, (char*)query, \
(char*)frag})
#define DIFF(wanted, got, field) \
if (wanted->field == NULL || got->field == NULL || \
strcmp(wanted->field, got->field)) { \
fprintf(stderr, #field ":\n\tgot: %s\n\twanted: %s\n", \
got->field, wanted->field); \
return 0; \
}
#define PASS 0
#define FAIL 1
int diff_iri(struct iri*, struct iri*);
int run_test(const char*, int, struct iri);
int
diff_iri(struct iri *p, struct iri *exp)
{
DIFF(p, exp, schema);
DIFF(p, exp, host);
DIFF(p, exp, port);
DIFF(p, exp, path);
DIFF(p, exp, query);
DIFF(p, exp, fragment);
return 1;
}
int
run_test(const char *iri, int should_fail, struct iri expected)
{
int failed, ok = 1;
char *iri_copy;
struct iri parsed;
const char *error;
if ((iri_copy = strdup(iri)) == NULL)
err(1, "strdup");
fprintf(stderr, "=> %s\n", iri);
failed = !parse_iri(iri_copy, &parsed, &error);
if (failed && should_fail)
goto done;
if (error != NULL)
fprintf(stderr, "> %s\n", error);
ok = !failed && !should_fail;
if (ok)
ok = diff_iri(&expected, &parsed);
done:
free(iri_copy);
return ok;
}
int
main(void)
{
char buf[32];
struct iri empty = IRI("", "", "", "", "", "");
ENCTEST(buf, sizeof(buf), "hello world", "hello%20world");
ENCTEST(buf, sizeof(buf), "hello\nworld", "hello%0Aworld");
ENCTEST(buf, sizeof(buf), "hello\r\nworld", "hello%0D%0Aworld");
TEST("http://omarpolo.com",
PASS,
IRI("http", "omarpolo.com", "", "", "", ""),
"can parse iri with empty path");
/* schema */
TEST("omarpolo.com", FAIL, empty, "FAIL when the schema is missing");
TEST("gemini:/omarpolo.com", FAIL, empty, "FAIL with invalid marker");
TEST("gemini//omarpolo.com", FAIL, empty, "FAIL with invalid marker");
TEST("h!!p://omarpolo.com", FAIL, empty, "FAIL with invalid schema");
TEST("GEMINI://omarpolo.com",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"Schemas are case insensitive.");
/* authority */
TEST("gemini://omarpolo.com",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"can parse authority with empty path");
TEST("gemini://omarpolo.com/",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"can parse authority with empty path (alt)")
TEST("gemini://omarpolo.com:1965",
PASS,
IRI("gemini", "omarpolo.com", "1965", "", "", ""),
"can parse with port and empty path");
TEST("gemini://omarpolo.com:1965/",
PASS,
IRI("gemini", "omarpolo.com", "1965", "", "", ""),
"can parse with port and empty path")
TEST("gemini://omarpolo.com:196s",
FAIL,
empty,
"FAIL with invalid port number");
TEST("gemini://OmArPoLo.CoM",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"host is case-insensitive");
TEST("gemini://xn--nave-6pa.omarpolo.com",
PASS,
IRI("gemini", "xn--nave-6pa.omarpolo.com", "", "", "", ""),
"Can parse punycode-encoded hostnames");
TEST("gemini://naïve.omarpolo.com",
PASS,
IRI("gemini", "naïve.omarpolo.com", "", "", "", ""),
"Accept non punycode-encoded hostnames");
TEST("gemini://na%c3%afve.omarpolo.com",
PASS,
IRI("gemini", "naïve.omarpolo.com", "", "", "", ""),
"Can percent decode hostnames");
TEST("gemini://100.64.3.27/",
PASS,
IRI("gemini", "100.64.3.27", "", "", "", ""),
"Accepts IPv4 addresses");
TEST("gemini://[::1]/",
PASS,
IRI("gemini", "::1", "", "", "", ""),
"Accepts IPv6 addresses");
/* path */
TEST("gemini://omarpolo.com/foo/bar/baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse simple paths");
TEST("gemini://omarpolo.com/foo//bar///baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with multiple slashes");
TEST("gemini://omarpolo.com/foo/./bar/./././baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with . elements");
TEST("gemini://omarpolo.com/foo/bar/../bar/baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with .. elements");
TEST("gemini://omarpolo.com/foo/../foo/bar/../bar/baz/../baz",
PASS,
IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
"parse paths with multiple .. elements");
TEST("gemini://omarpolo.com/foo/..",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths with a trailing ..");
TEST("gemini://omarpolo.com/foo/../",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths with a trailing ..");
TEST("gemini://omarpolo.com/foo/../..",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths that would escape the root");
TEST("gemini://omarpolo.com/foo/../../",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse paths that would escape the root")
TEST("gemini://omarpolo.com/foo/../foo/../././/bar/baz/.././.././/",
PASS,
IRI("gemini", "omarpolo.com", "", "", "", ""),
"parse path with lots of cleaning available");
TEST("gemini://omarpolo.com//foo",
PASS,
IRI("gemini", "omarpolo.com", "", "foo", "", ""),
"Trim initial slashes");
TEST("gemini://omarpolo.com/////foo",
PASS,
IRI("gemini", "omarpolo.com", "", "foo", "", ""),
"Trim initial slashes (pt. 2)");
TEST("http://a/b/c/../..",
PASS,
IRI("http", "a", "", "", "", ""),
"avoid infinite loops (see v1.6.1)");
TEST("gemini://example.com/@f:b!(z$&)/baz",
PASS,
IRI("gemini", "example.com", "", "@f:b!(z$&)/baz", "", ""),
"allow @, :, !, (), $ and & in paths");
/* query */
TEST("foo://example.com/foo/?gne",
PASS,
IRI("foo", "example.com", "", "foo/", "gne", ""),
"parse query strings");
TEST("foo://example.com/foo/?gne&foo",
PASS,
IRI("foo", "example.com", "", "foo/", "gne&foo", ""),
"parse query strings");
/* TEST("foo://example.com/foo/?gne%2F", */
/* PASS, */
/* IRI("foo", "example.com", "", "foo/", "gne/", ""), */
/* "parse query strings"); */
TEST("foo://ex.com/robots.txt?name=foobar&url=https://foo.com",
PASS,
IRI("foo", "ex.com", "", "robots.txt", "name=foobar&url=https://foo.com", ""),
"Accepts : in queries");
TEST("foo://ex.com/foo?email=foo@bar.com#quuz",
PASS,
IRI("foo", "ex.com", "", "foo", "email=foo@bar.com", "quuz"),
"Accepts @ in queries");
/* fragment */
TEST("foo://bar.co/#foo",
PASS,
IRI("foo", "bar.co", "", "", "", "foo"),
"can recognize fragments");
/* percent encoding */
TEST("foo://bar.com/caf%C3%A8.gmi",
PASS,
IRI("foo", "bar.com", "", "cafè.gmi", "", ""),
"can decode");
TEST("foo://bar.com/caff%C3%A8%20macchiato.gmi",
PASS,
IRI("foo", "bar.com", "", "caffè macchiato.gmi", "", ""),
"can decode");
TEST("foo://bar.com/caff%C3%A8+macchiato.gmi",
PASS,
IRI("foo", "bar.com", "", "caffè+macchiato.gmi", "", ""),
"can decode");
TEST("foo://bar.com/foo%2F..%2F..",
PASS,
IRI("foo", "bar.com", "", "", "", ""),
"conversion and checking are done in the correct order");
TEST("foo://bar.com/foo%00?baz",
FAIL,
empty,
"rejects %00");
/* IRI */
TEST("foo://bar.com/cafè.gmi",
PASS,
IRI("foo", "bar.com", "", "cafè.gmi", "" , ""),
"decode IRI (with a 2-byte utf8 seq)");
TEST("foo://bar.com/世界.gmi",
PASS,
IRI("foo", "bar.com", "", "世界.gmi", "" , ""),
"decode IRI");
TEST("foo://bar.com/😼.gmi",
PASS,
IRI("foo", "bar.com", "", "😼.gmi", "" , ""),
"decode IRI (with a 3-byte utf8 seq)");
TEST("foo://bar.com/😼/𤭢.gmi",
PASS,
IRI("foo", "bar.com", "", "😼/𤭢.gmi", "" , ""),
"decode IRI (with a 3-byte and a 4-byte utf8 seq)");
TEST("foo://bar.com/世界/\xC0\x80",
FAIL,
empty,
"reject invalid sequence (overlong NUL)");
/* hangs in previous versions found by afl */
TEST("http://omarpolo3com/f.././",
PASS,
IRI("http", "omarpolo3com", "", "f../", "", ""),
"does not get confused by paths that contains '..'.");
TEST("lttp://oOarpols*czm/~../.R",
PASS,
IRI("lttp", "ooarpols*czm", "", "~../.R", "", ""),
"does not get confused by paths that contains '..'.");
return 0;
}
|
