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Date:: Mon Jan 11 13:08:00 2021 UTC
Message:: s/uri/iri since we accept IRIs
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  1 3c1cf9d0 2021-01-11 op /*
  2 3c1cf9d0 2021-01-11 op  * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
  3 3c1cf9d0 2021-01-11 op  *
  4 3c1cf9d0 2021-01-11 op  * Permission to use, copy, modify, and distribute this software for any
  5 3c1cf9d0 2021-01-11 op  * purpose with or without fee is hereby granted, provided that the above
  6 3c1cf9d0 2021-01-11 op  * copyright notice and this permission notice appear in all copies.
  7 3c1cf9d0 2021-01-11 op  *
  8 3c1cf9d0 2021-01-11 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 3c1cf9d0 2021-01-11 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 3c1cf9d0 2021-01-11 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 3c1cf9d0 2021-01-11 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 3c1cf9d0 2021-01-11 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 3c1cf9d0 2021-01-11 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 3c1cf9d0 2021-01-11 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 3c1cf9d0 2021-01-11 op  */
 16 3c1cf9d0 2021-01-11 op 
 17 3c1cf9d0 2021-01-11 op #include <err.h>
 18 3c1cf9d0 2021-01-11 op #include <stdio.h>
 19 3c1cf9d0 2021-01-11 op #include <string.h>
 20 3c1cf9d0 2021-01-11 op 
 21 3c1cf9d0 2021-01-11 op #include "gmid.h"
 22 3c1cf9d0 2021-01-11 op 
 23 3c1cf9d0 2021-01-11 op #define TEST(iri, fail, exp, descr)				\
 24 3c1cf9d0 2021-01-11 op 	if (!run_test(iri, fail, exp)) {			\
 25 3c1cf9d0 2021-01-11 op 		fprintf(stderr, "%s:%d: error: %s\n",		\
 26 3c1cf9d0 2021-01-11 op 		    __FILE__, __LINE__, descr);			\
 27 3c1cf9d0 2021-01-11 op 		exit(1);					\
 28 3c1cf9d0 2021-01-11 op 	}
 29 3c1cf9d0 2021-01-11 op 
 30 3c1cf9d0 2021-01-11 op #define IRI(schema, host, port, path, query, frag)		\
 31 3c1cf9d0 2021-01-11 op 	((struct iri){schema, host, port, 0, path, query, frag})
 32 3c1cf9d0 2021-01-11 op 
 33 3c1cf9d0 2021-01-11 op #define DIFF(wanted, got, field)					\
 34 3c1cf9d0 2021-01-11 op 	if (wanted->field == NULL || got->field == NULL ||		\
 35 3c1cf9d0 2021-01-11 op 	    strcmp(wanted->field, got->field)) {			\
 36 3c1cf9d0 2021-01-11 op 		fprintf(stderr, #field ":\n\tgot: %s\n\twanted: %s\n",	\
 37 3c1cf9d0 2021-01-11 op 		    got->field, wanted->field);				\
 38 3c1cf9d0 2021-01-11 op 		return 0;						\
 39 3c1cf9d0 2021-01-11 op 	}
 40 3c1cf9d0 2021-01-11 op 
 41 3c1cf9d0 2021-01-11 op #define PASS 0
 42 3c1cf9d0 2021-01-11 op #define FAIL 1
 43 3c1cf9d0 2021-01-11 op 
 44 3c1cf9d0 2021-01-11 op int
 45 3c1cf9d0 2021-01-11 op diff_iri(struct iri *p, struct iri *exp)
 46 3c1cf9d0 2021-01-11 op {
 47 3c1cf9d0 2021-01-11 op         DIFF(p, exp, schema);
 48 3c1cf9d0 2021-01-11 op         DIFF(p, exp, host);
 49 3c1cf9d0 2021-01-11 op         DIFF(p, exp, port);
 50 3c1cf9d0 2021-01-11 op         DIFF(p, exp, path);
 51 3c1cf9d0 2021-01-11 op         DIFF(p, exp, query);
 52 3c1cf9d0 2021-01-11 op         DIFF(p, exp, fragment);
 53 3c1cf9d0 2021-01-11 op 	return 1;
 54 3c1cf9d0 2021-01-11 op }
 55 3c1cf9d0 2021-01-11 op 
 56 3c1cf9d0 2021-01-11 op int
 57 3c1cf9d0 2021-01-11 op run_test(const char *iri, int should_fail, struct iri expected)
 58 3c1cf9d0 2021-01-11 op {
 59 3c1cf9d0 2021-01-11 op 	int failed, ok = 1;
 60 3c1cf9d0 2021-01-11 op 	char *iri_copy;
 61 3c1cf9d0 2021-01-11 op 	struct iri parsed;
 62 3c1cf9d0 2021-01-11 op 	const char *error;
 63 3c1cf9d0 2021-01-11 op 
 64 3c1cf9d0 2021-01-11 op 	if ((iri_copy = strdup(iri)) == NULL)
 65 3c1cf9d0 2021-01-11 op 		err(1, "strdup");
 66 3c1cf9d0 2021-01-11 op 
 67 3c1cf9d0 2021-01-11 op 	fprintf(stderr, "=> %s\n", iri);
 68 3c1cf9d0 2021-01-11 op 	failed = !parse_iri(iri_copy, &parsed, &error);
 69 3c1cf9d0 2021-01-11 op 
 70 3c1cf9d0 2021-01-11 op 	if (failed && should_fail)
 71 3c1cf9d0 2021-01-11 op 		goto done;
 72 3c1cf9d0 2021-01-11 op 
 73 3c1cf9d0 2021-01-11 op 	if (error != NULL)
 74 3c1cf9d0 2021-01-11 op 		fprintf(stderr, "> %s\n", error);
 75 3c1cf9d0 2021-01-11 op 
 76 3c1cf9d0 2021-01-11 op 	ok = !failed && !should_fail;
 77 3c1cf9d0 2021-01-11 op 	if (ok)
 78 3c1cf9d0 2021-01-11 op 		ok = diff_iri(&expected, &parsed);
 79 3c1cf9d0 2021-01-11 op 
 80 3c1cf9d0 2021-01-11 op done:
 81 3c1cf9d0 2021-01-11 op 	free(iri_copy);
 82 3c1cf9d0 2021-01-11 op 	return ok;
 83 3c1cf9d0 2021-01-11 op }
 84 3c1cf9d0 2021-01-11 op 
 85 3c1cf9d0 2021-01-11 op int
 86 3c1cf9d0 2021-01-11 op main(void)
 87 3c1cf9d0 2021-01-11 op {
 88 3c1cf9d0 2021-01-11 op 	struct iri empty = {"", "", "", PASS, "", "", ""};
 89 3c1cf9d0 2021-01-11 op 
 90 3c1cf9d0 2021-01-11 op 	TEST("http://omarpolo.com",
 91 3c1cf9d0 2021-01-11 op 	    PASS,
 92 3c1cf9d0 2021-01-11 op 	    IRI("http", "omarpolo.com", "", "", "", ""),
 93 3c1cf9d0 2021-01-11 op 	    "can parse iri with empty path");
 94 3c1cf9d0 2021-01-11 op 
 95 3c1cf9d0 2021-01-11 op 	/* schema */
 96 3c1cf9d0 2021-01-11 op 	TEST("omarpolo.com", FAIL, empty, "FAIL when the schema is missing");
 97 3c1cf9d0 2021-01-11 op 	TEST("gemini:/omarpolo.com", FAIL, empty, "FAIL with invalid marker");
 98 3c1cf9d0 2021-01-11 op 	TEST("gemini//omarpolo.com", FAIL, empty, "FAIL with invalid marker");
 99 3c1cf9d0 2021-01-11 op 	TEST("h!!p://omarpolo.com", FAIL, empty, "FAIL with invalid schema");
100 3c1cf9d0 2021-01-11 op 
101 3c1cf9d0 2021-01-11 op 	/* authority */
102 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com",
103 3c1cf9d0 2021-01-11 op 	    PASS,
104 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "", "", ""),
105 3c1cf9d0 2021-01-11 op 	    "can parse authority with empty path");
106 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/",
107 3c1cf9d0 2021-01-11 op 	    PASS,
108 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "", "", ""),
109 3c1cf9d0 2021-01-11 op 	    "can parse authority with empty path (alt)")
110 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com:1965",
111 3c1cf9d0 2021-01-11 op 	    PASS,
112 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "1965", "", "", ""),
113 3c1cf9d0 2021-01-11 op 	    "can parse with port and empty path");
114 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com:1965/",
115 3c1cf9d0 2021-01-11 op 	    PASS,
116 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "1965", "", "", ""),
117 3c1cf9d0 2021-01-11 op 	    "can parse with port and empty path")
118 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com:196s",
119 3c1cf9d0 2021-01-11 op 	    FAIL,
120 3c1cf9d0 2021-01-11 op 	    empty,
121 3c1cf9d0 2021-01-11 op 	    "FAIL with invalid port number");
122 3c1cf9d0 2021-01-11 op 
123 3c1cf9d0 2021-01-11 op 	/* path */
124 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/bar/baz",
125 3c1cf9d0 2021-01-11 op 	    PASS,
126 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
127 3c1cf9d0 2021-01-11 op 	    "parse simple paths");
128 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo//bar///baz",
129 3c1cf9d0 2021-01-11 op 	    PASS,
130 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
131 3c1cf9d0 2021-01-11 op 	    "parse paths with multiple slashes");
132 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/./bar/./././baz",
133 3c1cf9d0 2021-01-11 op 	    PASS,
134 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
135 3c1cf9d0 2021-01-11 op 	    "parse paths with . elements");
136 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/bar/../bar/baz",
137 3c1cf9d0 2021-01-11 op 	    PASS,
138 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
139 3c1cf9d0 2021-01-11 op 	    "parse paths with .. elements");
140 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/../foo/bar/../bar/baz/../baz",
141 3c1cf9d0 2021-01-11 op 	    PASS,
142 3c1cf9d0 2021-01-11 op 	    IRI("gemini", "omarpolo.com", "", "foo/bar/baz", "", ""),
143 3c1cf9d0 2021-01-11 op 	    "parse paths with multiple .. elements");
144 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/..",
145 3c1cf9d0 2021-01-11 op 	    PASS,
146 3c1cf9d0 2021-01-11 op             IRI("gemini", "omarpolo.com", "", "", "", ""),
147 3c1cf9d0 2021-01-11 op 	    "parse paths with a trailing ..");
148 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/../",
149 3c1cf9d0 2021-01-11 op 	    PASS,
150 3c1cf9d0 2021-01-11 op             IRI("gemini", "omarpolo.com", "", "", "", ""),
151 3c1cf9d0 2021-01-11 op 	    "parse paths with a trailing ..");
152 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/../..",
153 3c1cf9d0 2021-01-11 op 	    FAIL,
154 3c1cf9d0 2021-01-11 op             empty,
155 3c1cf9d0 2021-01-11 op 	    "reject paths that would escape the root");
156 3c1cf9d0 2021-01-11 op 	TEST("gemini://omarpolo.com/foo/../foo/../././/bar/baz/.././.././/",
157 3c1cf9d0 2021-01-11 op 	    PASS,
158 3c1cf9d0 2021-01-11 op             IRI("gemini", "omarpolo.com", "", "", "", ""),
159 3c1cf9d0 2021-01-11 op 	    "parse path with lots of cleaning available");
160 3c1cf9d0 2021-01-11 op 
161 3c1cf9d0 2021-01-11 op 	/* query */
162 3c1cf9d0 2021-01-11 op 	TEST("foo://example.com/foo/?gne",
163 3c1cf9d0 2021-01-11 op 	    PASS,
164 3c1cf9d0 2021-01-11 op 	    IRI("foo", "example.com", "", "foo/", "gne", ""),
165 3c1cf9d0 2021-01-11 op 	    "parse query strings");
166 3c1cf9d0 2021-01-11 op 	TEST("foo://example.com/foo/?gne&foo",
167 3c1cf9d0 2021-01-11 op 	    PASS,
168 3c1cf9d0 2021-01-11 op 	    IRI("foo", "example.com", "", "foo/", "gne&foo", ""),
169 3c1cf9d0 2021-01-11 op 	    "parse query strings");
170 3c1cf9d0 2021-01-11 op 	TEST("foo://example.com/foo/?gne%2F",
171 3c1cf9d0 2021-01-11 op 	    PASS,
172 3c1cf9d0 2021-01-11 op 	    IRI("foo", "example.com", "", "foo/", "gne/", ""),
173 3c1cf9d0 2021-01-11 op 	    "parse query strings");
174 3c1cf9d0 2021-01-11 op 
175 3c1cf9d0 2021-01-11 op 	/* fragment */
176 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.co/#foo",
177 3c1cf9d0 2021-01-11 op 	    PASS,
178 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.co", "", "", "", "foo"),
179 3c1cf9d0 2021-01-11 op 	    "can recognize fragments");
180 3c1cf9d0 2021-01-11 op 
181 3c1cf9d0 2021-01-11 op 	/* percent encoding */
182 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/caf%C3%A8.gmi",
183 3c1cf9d0 2021-01-11 op 	    PASS,
184 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "cafè.gmi", "", ""),
185 3c1cf9d0 2021-01-11 op 	    "can decode");
186 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/caff%C3%A8%20macchiato.gmi",
187 3c1cf9d0 2021-01-11 op 	    PASS,
188 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "caffè macchiato.gmi", "", ""),
189 3c1cf9d0 2021-01-11 op 	    "can decode");
190 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/caff%C3%A8+macchiato.gmi",
191 3c1cf9d0 2021-01-11 op 	    PASS,
192 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "caffè+macchiato.gmi", "", ""),
193 3c1cf9d0 2021-01-11 op 	    "can decode");
194 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/foo%2F..%2F..",
195 3c1cf9d0 2021-01-11 op 	    FAIL,
196 3c1cf9d0 2021-01-11 op 	    empty,
197 3c1cf9d0 2021-01-11 op 	    "conversion and checking are done in the correct order");
198 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/foo%00?baz",
199 3c1cf9d0 2021-01-11 op 	    FAIL,
200 3c1cf9d0 2021-01-11 op 	    empty,
201 3c1cf9d0 2021-01-11 op 	    "rejects %00");
202 3c1cf9d0 2021-01-11 op 
203 3c1cf9d0 2021-01-11 op 	/* IRI */
204 3c1cf9d0 2021-01-11 op         TEST("foo://bar.com/cafè.gmi",
205 3c1cf9d0 2021-01-11 op 	    PASS,
206 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "cafè.gmi", "" , ""),
207 3c1cf9d0 2021-01-11 op 	    "decode IRI (with a 2-byte utf8 seq)");
208 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/世界.gmi",
209 3c1cf9d0 2021-01-11 op 	    PASS,
210 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "世界.gmi", "" , ""),
211 3c1cf9d0 2021-01-11 op 	    "decode IRI");
212 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/😼.gmi",
213 3c1cf9d0 2021-01-11 op 	    PASS,
214 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "😼.gmi", "" , ""),
215 3c1cf9d0 2021-01-11 op 	    "decode IRI (with a 3-byte utf8 seq)");
216 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/😼/𤭢.gmi",
217 3c1cf9d0 2021-01-11 op 	    PASS,
218 3c1cf9d0 2021-01-11 op 	    IRI("foo", "bar.com", "", "😼/𤭢.gmi", "" , ""),
219 3c1cf9d0 2021-01-11 op 	    "decode IRI (with a 3-byte and a 4-byte utf8 seq)");
220 3c1cf9d0 2021-01-11 op 	TEST("foo://bar.com/世界/\xC0\x80",
221 3c1cf9d0 2021-01-11 op 	    FAIL,
222 3c1cf9d0 2021-01-11 op 	    empty,
223 3c1cf9d0 2021-01-11 op 	    "reject invalid sequence (overlong NUL)");
224 3c1cf9d0 2021-01-11 op 
225 3c1cf9d0 2021-01-11 op 	return 0;
226 3c1cf9d0 2021-01-11 op }