lib552.c (6032B)
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 /* argv1 = URL 25 * argv2 = proxy with embedded user+password 26 */ 27 28 #include "first.h" 29 30 #include "memdebug.h" 31 32 struct t552_testdata { 33 char trace_ascii; /* 1 or 0 */ 34 }; 35 36 static void dump(const char *text, 37 FILE *stream, unsigned char *ptr, size_t size, 38 char nohex) 39 { 40 size_t i; 41 size_t c; 42 43 unsigned int width = 0x10; 44 45 if(nohex) 46 /* without the hex output, we can fit more on screen */ 47 width = 0x40; 48 49 curl_mfprintf(stream, "%s, %zu bytes (0x%zx)\n", text, size, size); 50 51 for(i = 0; i < size; i += width) { 52 53 curl_mfprintf(stream, "%04zx: ", i); 54 55 if(!nohex) { 56 /* hex not disabled, show it */ 57 for(c = 0; c < width; c++) 58 if(i + c < size) 59 curl_mfprintf(stream, "%02x ", ptr[i + c]); 60 else 61 fputs(" ", stream); 62 } 63 64 for(c = 0; (c < width) && (i + c < size); c++) { 65 /* check for 0D0A; if found, skip past and start a new line of output */ 66 if(nohex && (i + c + 1 < size) && ptr[i + c] == 0x0D && 67 ptr[i + c + 1] == 0x0A) { 68 i += (c + 2 - width); 69 break; 70 } 71 curl_mfprintf(stream, "%c", 72 (ptr[i + c] >= 0x20) && (ptr[i + c] < 0x80) ? ptr[i + c] : '.'); 73 /* check again for 0D0A, to avoid an extra \n if it's at width */ 74 if(nohex && (i + c + 2 < size) && ptr[i + c + 1] == 0x0D && 75 ptr[i + c + 2] == 0x0A) { 76 i += (c + 3 - width); 77 break; 78 } 79 } 80 fputc('\n', stream); /* newline */ 81 } 82 fflush(stream); 83 } 84 85 static int my_trace(CURL *handle, curl_infotype type, 86 char *data, size_t size, 87 void *userp) 88 { 89 struct t552_testdata *config = (struct t552_testdata *)userp; 90 const char *text; 91 (void)handle; /* prevent compiler warning */ 92 93 switch(type) { 94 case CURLINFO_TEXT: 95 curl_mfprintf(stderr, "== Info: %s", (char *)data); 96 return 0; 97 case CURLINFO_HEADER_OUT: 98 text = "=> Send header"; 99 break; 100 case CURLINFO_DATA_OUT: 101 text = "=> Send data"; 102 break; 103 case CURLINFO_SSL_DATA_OUT: 104 text = "=> Send SSL data"; 105 break; 106 case CURLINFO_HEADER_IN: 107 text = "<= Recv header"; 108 break; 109 case CURLINFO_DATA_IN: 110 text = "<= Recv data"; 111 break; 112 case CURLINFO_SSL_DATA_IN: 113 text = "<= Recv SSL data"; 114 break; 115 default: /* in case a new one is introduced to shock us */ 116 return 0; 117 } 118 119 dump(text, stderr, (unsigned char *)data, size, config->trace_ascii); 120 return 0; 121 } 122 123 static size_t current_offset = 0; 124 static char databuf[70000]; /* MUST be more than 64k OR 125 MAX_INITIAL_POST_SIZE */ 126 127 static size_t t552_read_cb(char *ptr, size_t size, size_t nmemb, void *stream) 128 { 129 size_t amount = nmemb * size; /* Total bytes curl wants */ 130 size_t available = sizeof(databuf) - current_offset; /* What we have to 131 give */ 132 size_t given = amount < available ? amount : available; /* What is given */ 133 (void)stream; 134 memcpy(ptr, databuf + current_offset, given); 135 current_offset += given; 136 return given; 137 } 138 139 static size_t t552_write_cb(char *ptr, size_t size, size_t nmemb, void *stream) 140 { 141 int amount = curlx_uztosi(size * nmemb); 142 curl_mprintf("%.*s", amount, (char *)ptr); 143 (void)stream; 144 return size * nmemb; 145 } 146 147 static curlioerr ioctl_callback(CURL *handle, int cmd, void *clientp) 148 { 149 (void)clientp; 150 if(cmd == CURLIOCMD_RESTARTREAD) { 151 curl_mprintf("APPLICATION received a CURLIOCMD_RESTARTREAD request\n"); 152 curl_mprintf("APPLICATION ** REWINDING! **\n"); 153 current_offset = 0; 154 return CURLIOE_OK; 155 } 156 (void)handle; 157 return CURLIOE_UNKNOWNCMD; 158 } 159 160 static CURLcode test_lib552(char *URL) 161 { 162 CURL *curl; 163 CURLcode res = CURLE_OK; 164 struct t552_testdata config; 165 size_t i; 166 static const char fill[] = "test data"; 167 168 config.trace_ascii = 1; /* enable ASCII tracing */ 169 170 global_init(CURL_GLOBAL_ALL); 171 easy_init(curl); 172 173 test_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); 174 test_setopt(curl, CURLOPT_DEBUGDATA, &config); 175 /* the DEBUGFUNCTION has no effect until we enable VERBOSE */ 176 test_setopt(curl, CURLOPT_VERBOSE, 1L); 177 178 /* setup repeated data string */ 179 for(i = 0; i < sizeof(databuf); ++i) 180 databuf[i] = fill[i % sizeof(fill)]; 181 182 /* Post */ 183 test_setopt(curl, CURLOPT_POST, 1L); 184 185 /* Setup read callback */ 186 test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long) sizeof(databuf)); 187 test_setopt(curl, CURLOPT_READFUNCTION, t552_read_cb); 188 189 /* Write callback */ 190 test_setopt(curl, CURLOPT_WRITEFUNCTION, t552_write_cb); 191 192 /* Ioctl function */ 193 test_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_callback); 194 195 test_setopt(curl, CURLOPT_PROXY, libtest_arg2); 196 197 test_setopt(curl, CURLOPT_URL, URL); 198 199 /* Accept any auth. But for this bug configure proxy with DIGEST, basic 200 might work too, not NTLM */ 201 test_setopt(curl, CURLOPT_PROXYAUTH, (long)CURLAUTH_ANY); 202 203 res = curl_easy_perform(curl); 204 205 test_cleanup: 206 207 curl_easy_cleanup(curl); 208 curl_global_cleanup(); 209 return res; 210 }