1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 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 https://curl.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  * SPDX-License-Identifier: curl
22  *
23  ***************************************************************************/
24 #include "curlcheck.h"
25 #include "curl_get_line.h"
26 
27 #if !defined(CURL_DISABLE_COOKIES) || !defined(CURL_DISABLE_ALTSVC) ||  \
28   !defined(CURL_DISABLE_HSTS) || !defined(CURL_DISABLE_NETRC)
29 
30 /* The test XML does not supply a way to write files without newlines
31  * so we write our own
32  */
33 
34 #define C64 "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
35 #define C256 C64 C64 C64 C64
36 #define C1024 C256 C256 C256 C256
37 #define C4096 C1024 C1024 C1024 C1024
38 
unit_setup(void)39 static CURLcode unit_setup(void)
40 {
41   return CURLE_OK;
42 }
43 
unit_stop(void)44 static CURLcode unit_stop(void)
45 {
46   return CURLE_OK;
47 }
48 
49 #ifdef __GNUC__
50 #pragma GCC diagnostic push
51 #pragma GCC diagnostic ignored "-Woverlength-strings"
52 #endif
53 
54 #define NUMTESTS 6
55 static const char *filecontents[] = {
56   /* Both should be read */
57   "LINE1\n"
58   "LINE2 NEWLINE\n",
59 
60   /* Both should be read */
61   "LINE1\n"
62   "LINE2 NONEWLINE",
63 
64   /* Only first should be read */
65   "LINE1\n"
66   C4096,
67 
68   /* First line should be read */
69   "LINE1\n"
70   C4096 "SOME EXTRA TEXT",
71 
72   /* First and third line should be read */
73   "LINE1\n"
74   C4096 "SOME EXTRA TEXT\n"
75   "LINE3\n",
76 
77   "LINE1\x1aTEST"
78 };
79 
80 #ifdef __GNUC__
81 #pragma GCC diagnostic warning "-Woverlength-strings"
82 #endif
83 
84 
85 UNITTEST_START
86   size_t i;
87   for(i = 0; i < NUMTESTS; i++) {
88     FILE *fp;
89     char buf[4096];
90     int len = 4096;
91     char *line;
92 
93     fp = fopen(arg, "wb");
94     abort_unless(fp != NULL, "Cannot open testfile");
95     fwrite(filecontents[i], 1, strlen(filecontents[i]), fp);
96     fclose(fp);
97 
98     fp = fopen(arg, "rb");
99     abort_unless(fp != NULL, "Cannot open testfile");
100 
101     fprintf(stderr, "Test %zd...", i);
102     switch(i) {
103       case 0:
104         line = Curl_get_line(buf, len, fp);
105         fail_unless(line && !strcmp("LINE1\n", line),
106           "First line failed (1)");
107         line = Curl_get_line(buf, len, fp);
108         fail_unless(line && !strcmp("LINE2 NEWLINE\n", line),
109           "Second line failed (1)");
110         line = Curl_get_line(buf, len, fp);
111         abort_unless(line == NULL, "Missed EOF (1)");
112         break;
113       case 1:
114         line = Curl_get_line(buf, len, fp);
115         fail_unless(line && !strcmp("LINE1\n", line),
116           "First line failed (2)");
117         line = Curl_get_line(buf, len, fp);
118         fail_unless(line && !strcmp("LINE2 NONEWLINE\n", line),
119           "Second line failed (2)");
120         line = Curl_get_line(buf, len, fp);
121         abort_unless(line == NULL, "Missed EOF (2)");
122         break;
123       case 2:
124         line = Curl_get_line(buf, len, fp);
125         fail_unless(line && !strcmp("LINE1\n", line),
126           "First line failed (3)");
127         line = Curl_get_line(buf, len, fp);
128         fail_unless(line == NULL,
129           "Did not detect max read on EOF (3)");
130         break;
131       case 3:
132         line = Curl_get_line(buf, len, fp);
133         fail_unless(line && !strcmp("LINE1\n", line),
134           "First line failed (4)");
135         line = Curl_get_line(buf, len, fp);
136         fail_unless(line == NULL,
137           "Did not ignore partial on EOF (4)");
138         break;
139       case 4:
140         line = Curl_get_line(buf, len, fp);
141         fail_unless(line && !strcmp("LINE1\n", line),
142           "First line failed (5)");
143         line = Curl_get_line(buf, len, fp);
144         fail_unless(line && !strcmp("LINE3\n", line),
145           "Third line failed (5)");
146         line = Curl_get_line(buf, len, fp);
147         abort_unless(line == NULL, "Missed EOF (5)");
148         break;
149       case 5:
150         line = Curl_get_line(buf, len, fp);
151         fail_unless(line && !strcmp("LINE1\x1aTEST\n", line),
152           "Missed/Misinterpreted ^Z (6)");
153         line = Curl_get_line(buf, len, fp);
154         abort_unless(line == NULL, "Missed EOF (6)");
155         break;
156       default:
157         abort_unless(1, "Unknown case");
158         break;
159     }
160     fclose(fp);
161     fprintf(stderr, "OK\n");
162   }
163 UNITTEST_STOP
164 
165 #ifdef __GNUC__
166 #pragma GCC diagnostic pop
167 #endif
168 
169 #else
170 static CURLcode unit_setup(void)
171 {
172   return CURLE_OK;
173 }
174 static void unit_stop(void)
175 {
176 }
177 UNITTEST_START
178 UNITTEST_STOP
179 
180 #endif
181