1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2017, 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.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 /* argv1 = URL 23 * argv2 = proxy with embedded user+password 24 */ 25 26 #include "test.h" 27 28 #include "warnless.h" 29 #include "memdebug.h" 30 31 struct data { 32 char trace_ascii; /* 1 or 0 */ 33 }; 34 35 static 36 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 fprintf(stream, "%s, %d bytes (0x%x)\n", text, (int)size, (int)size); 50 51 for(i = 0; i<size; i += width) { 52 53 fprintf(stream, "%04x: ", (int)i); 54 55 if(!nohex) { 56 /* hex not disabled, show it */ 57 for(c = 0; c < width; c++) 58 if(i + c < size) 59 fprintf(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 fprintf(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 86 int my_trace(CURL *handle, curl_infotype type, 87 char *data, size_t size, 88 void *userp) 89 { 90 struct data *config = (struct data *)userp; 91 const char *text; 92 (void)handle; /* prevent compiler warning */ 93 94 switch(type) { 95 case CURLINFO_TEXT: 96 fprintf(stderr, "== Info: %s", (char *)data); 97 /* FALLTHROUGH */ 98 default: /* in case a new one is introduced to shock us */ 99 return 0; 100 101 case CURLINFO_HEADER_OUT: 102 text = "=> Send header"; 103 break; 104 case CURLINFO_DATA_OUT: 105 text = "=> Send data"; 106 break; 107 case CURLINFO_SSL_DATA_OUT: 108 text = "=> Send SSL data"; 109 break; 110 case CURLINFO_HEADER_IN: 111 text = "<= Recv header"; 112 break; 113 case CURLINFO_DATA_IN: 114 text = "<= Recv data"; 115 break; 116 case CURLINFO_SSL_DATA_IN: 117 text = "<= Recv SSL data"; 118 break; 119 } 120 121 dump(text, stderr, (unsigned char *)data, size, config->trace_ascii); 122 return 0; 123 } 124 125 126 static size_t current_offset = 0; 127 static char databuf[70000]; /* MUST be more than 64k OR 128 MAX_INITIAL_POST_SIZE */ 129 130 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream) 131 { 132 size_t amount = nmemb * size; /* Total bytes curl wants */ 133 size_t available = sizeof(databuf) - current_offset; /* What we have to 134 give */ 135 size_t given = amount < available ? amount : available; /* What is given */ 136 (void)stream; 137 memcpy(ptr, databuf + current_offset, given); 138 current_offset += given; 139 return given; 140 } 141 142 143 static size_t write_callback(void *ptr, size_t size, size_t nmemb, 144 void *stream) 145 { 146 int amount = curlx_uztosi(size * nmemb); 147 printf("%.*s", amount, (char *)ptr); 148 (void)stream; 149 return size * nmemb; 150 } 151 152 153 static curlioerr ioctl_callback(CURL *handle, int cmd, void *clientp) 154 { 155 (void)clientp; 156 if(cmd == CURLIOCMD_RESTARTREAD) { 157 printf("APPLICATION: received a CURLIOCMD_RESTARTREAD request\n"); 158 printf("APPLICATION: ** REWINDING! **\n"); 159 current_offset = 0; 160 return CURLIOE_OK; 161 } 162 (void)handle; 163 return CURLIOE_UNKNOWNCMD; 164 } 165 166 167 168 int test(char *URL) 169 { 170 CURL *curl; 171 CURLcode res = CURLE_OK; 172 struct data config; 173 size_t i; 174 static const char fill[] = "test data"; 175 176 config.trace_ascii = 1; /* enable ascii tracing */ 177 178 global_init(CURL_GLOBAL_ALL); 179 easy_init(curl); 180 181 test_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace); 182 test_setopt(curl, CURLOPT_DEBUGDATA, &config); 183 /* the DEBUGFUNCTION has no effect until we enable VERBOSE */ 184 test_setopt(curl, CURLOPT_VERBOSE, 1L); 185 186 /* setup repeated data string */ 187 for(i = 0; i < sizeof(databuf); ++i) 188 databuf[i] = fill[i % sizeof fill]; 189 190 /* Post */ 191 test_setopt(curl, CURLOPT_POST, 1L); 192 193 #ifdef CURL_DOES_CONVERSIONS 194 /* Convert the POST data to ASCII */ 195 test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L); 196 #endif 197 198 /* Setup read callback */ 199 test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long) sizeof(databuf)); 200 test_setopt(curl, CURLOPT_READFUNCTION, read_callback); 201 202 /* Write callback */ 203 test_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback); 204 205 /* Ioctl function */ 206 test_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_callback); 207 208 test_setopt(curl, CURLOPT_PROXY, libtest_arg2); 209 210 test_setopt(curl, CURLOPT_URL, URL); 211 212 /* Accept any auth. But for this bug configure proxy with DIGEST, basic 213 might work too, not NTLM */ 214 test_setopt(curl, CURLOPT_PROXYAUTH, (long)CURLAUTH_ANY); 215 216 res = curl_easy_perform(curl); 217 fprintf(stderr, "curl_easy_perform = %d\n", (int)res); 218 219 test_cleanup: 220 221 curl_easy_cleanup(curl); 222 curl_global_cleanup(); 223 return (int)res; 224 } 225