1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
9  *
10  * This software is licensed as described in the file COPYING, which
11  * you should have received as part of this distribution. The terms
12  * are also available at http://curl.haxx.se/docs/copyright.html.
13  *
14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15  * copies of the Software, and permit persons to whom the Software is
16  * furnished to do so, under the terms of the COPYING file.
17  *
18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19  * KIND, either express or implied.
20  *
21  ***************************************************************************/
22 #include "curlcheck.h"
23 
24 #include "urldata.h"
25 #include "url.h" /* for Curl_safefree */
26 #include "curl_base64.h"
27 #include "memdebug.h" /* LAST include file */
28 
29 static struct SessionHandle *data;
30 
unit_setup(void)31 static CURLcode unit_setup( void )
32 {
33   data = curl_easy_init();
34   if(!data)
35     return CURLE_OUT_OF_MEMORY;
36   return CURLE_OK;
37 }
38 
unit_stop(void)39 static void unit_stop( void )
40 {
41   curl_easy_cleanup(data);
42 }
43 
44 UNITTEST_START
45 
46 char *output;
47 unsigned char *decoded;
48 size_t size = 0;
49 unsigned char anychar = 'x';
50 CURLcode rc;
51 
52 rc = Curl_base64_encode(data, "i", 1, &output, &size);
53 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
54 fail_unless(size == 4, "size should be 4");
55 verify_memory( output, "aQ==", 4);
56 Curl_safefree(output);
57 
58 rc = Curl_base64_encode(data, "ii", 2, &output, &size);
59 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
60 fail_unless(size == 4, "size should be 4");
61 verify_memory( output, "aWk=", 4);
62 Curl_safefree(output);
63 
64 rc = Curl_base64_encode(data, "iii", 3, &output, &size);
65 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
66 fail_unless(size == 4, "size should be 4");
67 verify_memory( output, "aWlp", 4);
68 Curl_safefree(output);
69 
70 rc = Curl_base64_encode(data, "iiii", 4, &output, &size);
71 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
72 fail_unless(size == 8, "size should be 8");
73 verify_memory( output, "aWlpaQ==", 8);
74 Curl_safefree(output);
75 
76 rc = Curl_base64_encode(data, "\xff\x01\xfe\x02", 4, &output, &size);
77 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
78 fail_unless(size == 8, "size should be 8");
79 verify_memory( output, "/wH+Ag==", 8);
80 Curl_safefree(output);
81 
82 rc = Curl_base64url_encode(data, "\xff\x01\xfe\x02", 4, &output, &size);
83 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
84 fail_unless(size == 8, "size should be 8");
85 verify_memory( output, "_wH-Ag==", 8);
86 Curl_safefree(output);
87 
88 rc = Curl_base64url_encode(data, "iiii", 4, &output, &size);
89 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
90 fail_unless(size == 8, "size should be 8");
91 verify_memory( output, "aWlpaQ==", 8);
92 Curl_safefree(output);
93 
94 /* 0 length makes it do strlen() */
95 rc = Curl_base64_encode(data, "iiii", 0, &output, &size);
96 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
97 fail_unless(size == 8, "size should be 8");
98 verify_memory( output, "aWlpaQ==", 8);
99 Curl_safefree(output);
100 
101 rc = Curl_base64_decode("aWlpaQ==", &decoded, &size);
102 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
103 fail_unless(size == 4, "size should be 4");
104 verify_memory(decoded, "iiii", 4);
105 Curl_safefree(decoded);
106 
107 rc = Curl_base64_decode("aWlp", &decoded, &size);
108 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
109 fail_unless(size == 3, "size should be 3");
110 verify_memory(decoded, "iii", 3);
111 Curl_safefree(decoded);
112 
113 rc = Curl_base64_decode("aWk=", &decoded, &size);
114 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
115 fail_unless(size == 2, "size should be 2");
116 verify_memory(decoded, "ii", 2);
117 Curl_safefree(decoded);
118 
119 rc = Curl_base64_decode("aQ==", &decoded, &size);
120 fail_unless(rc == CURLE_OK, "return code should be CURLE_OK");
121 fail_unless(size == 1, "size should be 1");
122 verify_memory(decoded, "i", 2);
123 Curl_safefree(decoded);
124 
125 /* This is illegal input as the data is too short */
126 size = 1; /* not zero */
127 decoded = &anychar; /* not NULL */
128 rc = Curl_base64_decode("aQ", &decoded, &size);
129 fail_unless(rc == CURLE_BAD_CONTENT_ENCODING, "return code should be CURLE_BAD_CONTENT_ENCODING");
130 fail_unless(size == 0, "size should be 0");
131 fail_if(decoded, "returned pointer should be NULL");
132 
133 /* This is illegal input as it contains three padding characters */
134 size = 1; /* not zero */
135 decoded = &anychar; /* not NULL */
136 rc = Curl_base64_decode("a===", &decoded, &size);
137 fail_unless(rc == CURLE_BAD_CONTENT_ENCODING, "return code should be CURLE_BAD_CONTENT_ENCODING");
138 fail_unless(size == 0, "size should be 0");
139 fail_if(decoded, "returned pointer should be NULL");
140 
141 /* This is illegal input as it contains a padding character mid input */
142 size = 1; /* not zero */
143 decoded = &anychar; /* not NULL */
144 rc = Curl_base64_decode("a=Q=", &decoded, &size);
145 fail_unless(rc == CURLE_BAD_CONTENT_ENCODING, "return code should be CURLE_BAD_CONTENT_ENCODING");
146 fail_unless(size == 0, "size should be 0");
147 fail_if(decoded, "returned pointer should be NULL");
148 
149 /* This is garbage input as it contains an illegal base64 character */
150 size = 1; /* not zero */
151 decoded = &anychar; /* not NULL */
152 rc = Curl_base64_decode("a\x1f==", &decoded, &size);
153 fail_unless(rc == CURLE_BAD_CONTENT_ENCODING, "return code should be CURLE_BAD_CONTENT_ENCODING");
154 fail_unless(size == 0, "size should be 0");
155 fail_if(decoded, "returned pointer should be NULL");
156 
157 UNITTEST_STOP
158