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 "tool_setup.h" 23 24#include "tool_panykey.h" 25#include "tool_help.h" 26#include "tool_libinfo.h" 27#include "tool_version.h" 28 29#include "memdebug.h" /* keep this as LAST include */ 30 31#ifdef MSDOS 32# define USE_WATT32 33#endif 34 35/* 36 * A few of these source lines are >80 columns wide, but that's only because 37 * breaking the strings narrower makes this chunk look even worse! 38 * 39 * Starting with 7.18.0, this list of command line options is sorted based 40 * on the long option name. It is not done automatically, although a command 41 * line like the following can help out: 42 * 43 * curl --help | cut -c5- | grep "^-" | sort 44 */ 45 46static const char *const helptext[] = { 47 "Usage: curl [options...] <url>", 48 "Options: (H) means HTTP/HTTPS only, (F) means FTP only", 49 " --anyauth Pick \"any\" authentication method (H)", 50 " -a, --append Append to target file when uploading (F/SFTP)", 51 " --basic Use HTTP Basic Authentication (H)", 52 " --cacert FILE CA certificate to verify peer against (SSL)", 53 " --capath DIR CA directory to verify peer against (SSL)", 54 " -E, --cert CERT[:PASSWD] Client certificate file and password (SSL)", 55 " --cert-type TYPE Certificate file type (DER/PEM/ENG) (SSL)", 56 " --ciphers LIST SSL ciphers to use (SSL)", 57 " --compressed Request compressed response (using deflate or gzip)", 58 " -K, --config FILE Specify which config file to read", 59 " --connect-timeout SECONDS Maximum time allowed for connection", 60 " -C, --continue-at OFFSET Resumed transfer offset", 61 " -b, --cookie STRING/FILE String or file to read cookies from (H)", 62 " -c, --cookie-jar FILE Write cookies to this file after operation (H)", 63 " --create-dirs Create necessary local directory hierarchy", 64 " --crlf Convert LF to CRLF in upload", 65 " --crlfile FILE Get a CRL list in PEM format from the given file", 66 " -d, --data DATA HTTP POST data (H)", 67 " --data-ascii DATA HTTP POST ASCII data (H)", 68 " --data-binary DATA HTTP POST binary data (H)", 69 " --data-urlencode DATA HTTP POST data url encoded (H)", 70 " --delegation STRING GSS-API delegation permission", 71 " --digest Use HTTP Digest Authentication (H)", 72 " --disable-eprt Inhibit using EPRT or LPRT (F)", 73 " --disable-epsv Inhibit using EPSV (F)", 74 " --dns-servers DNS server addrs to use: 1.1.1.1;2.2.2.2", 75 " --dns-interface Interface to use for DNS requests", 76 " --dns-ipv4-addr IPv4 address to use for DNS requests, dot notation", 77 " --dns-ipv6-addr IPv6 address to use for DNS requests, dot notation", 78 " -D, --dump-header FILE Write the headers to this file", 79 " --egd-file FILE EGD socket path for random data (SSL)", 80 " --engine ENGINE Crypto engine (SSL). \"--engine list\" for list", 81#ifdef USE_ENVIRONMENT 82 " --environment Write results to environment variables (RISC OS)", 83#endif 84 " -f, --fail Fail silently (no output at all) on HTTP errors (H)", 85 " -F, --form CONTENT Specify HTTP multipart POST data (H)", 86 " --form-string STRING Specify HTTP multipart POST data (H)", 87 " --ftp-account DATA Account data string (F)", 88 " --ftp-alternative-to-user COMMAND " 89 "String to replace \"USER [name]\" (F)", 90 " --ftp-create-dirs Create the remote dirs if not present (F)", 91 " --ftp-method [MULTICWD/NOCWD/SINGLECWD] Control CWD usage (F)", 92 " --ftp-pasv Use PASV/EPSV instead of PORT (F)", 93 " -P, --ftp-port ADR Use PORT with given address instead of PASV (F)", 94 " --ftp-skip-pasv-ip Skip the IP address for PASV (F)\n" 95 " --ftp-pret Send PRET before PASV (for drftpd) (F)", 96 " --ftp-ssl-ccc Send CCC after authenticating (F)", 97 " --ftp-ssl-ccc-mode ACTIVE/PASSIVE Set CCC mode (F)", 98 " --ftp-ssl-control Require SSL/TLS for ftp login, " 99 "clear for transfer (F)", 100 " -G, --get Send the -d data with a HTTP GET (H)", 101 " -g, --globoff Disable URL sequences and ranges using {} and []", 102 " -H, --header LINE Custom header to pass to server (H)", 103 " -I, --head Show document info only", 104 " -h, --help This help text", 105 " --hostpubmd5 MD5 " 106 "Hex encoded MD5 string of the host public key. (SSH)", 107 " -0, --http1.0 Use HTTP 1.0 (H)", 108 " --http1.1 Use HTTP 1.1 (H)", 109 " --http2 Use HTTP 2 (H)", 110 " --ignore-content-length Ignore the HTTP Content-Length header", 111 " -i, --include Include protocol headers in the output (H/F)", 112 " -k, --insecure Allow connections to SSL sites without certs (H)", 113 " --interface INTERFACE Specify network interface/address to use", 114 " -4, --ipv4 Resolve name to IPv4 address", 115 " -6, --ipv6 Resolve name to IPv6 address", 116 " -j, --junk-session-cookies Ignore session cookies read from file (H)", 117 " --keepalive-time SECONDS Interval between keepalive probes", 118 " --key KEY Private key file name (SSL/SSH)", 119 " --key-type TYPE Private key file type (DER/PEM/ENG) (SSL)", 120 " --krb LEVEL Enable Kerberos with specified security level (F)", 121#ifndef CURL_DISABLE_LIBCURL_OPTION 122 " --libcurl FILE Dump libcurl equivalent code of this command line", 123#endif 124 " --limit-rate RATE Limit transfer speed to this rate", 125 " -l, --list-only List only mode (F/POP3)", 126 " --local-port RANGE Force use of these local port numbers", 127 " -L, --location Follow redirects (H)", 128 " --location-trusted like --location and send auth to other hosts (H)", 129 " -M, --manual Display the full manual", 130 " --mail-from FROM Mail from this address (SMTP)", 131 " --mail-rcpt TO Mail to this/these addresses (SMTP)", 132 " --mail-auth AUTH Originator address of the original email (SMTP)", 133 " --max-filesize BYTES Maximum file size to download (H/F)", 134 " --max-redirs NUM Maximum number of redirects allowed (H)", 135 " -m, --max-time SECONDS Maximum time allowed for the transfer", 136 " --metalink Process given URLs as metalink XML file", 137 " --negotiate Use HTTP Negotiate Authentication (H)", 138 " -n, --netrc Must read .netrc for user name and password", 139 " --netrc-optional Use either .netrc or URL; overrides -n", 140 " --netrc-file FILE Set up the netrc filename to use", 141 " -: --next " 142 "Allows the following URL to use a separate set of options", 143 " --no-alpn Disable the ALPN TLS extension (H)", 144 " -N, --no-buffer Disable buffering of the output stream", 145 " --no-keepalive Disable keepalive use on the connection", 146 " --no-npn Disable the NPN TLS extension (H)", 147 " --no-sessionid Disable SSL session-ID reusing (SSL)", 148 " --noproxy List of hosts which do not use proxy", 149 " --ntlm Use HTTP NTLM authentication (H)", 150 " --oauth2-bearer TOKEN OAuth 2 Bearer Token (IMAP, POP3, SMTP)", 151 " -o, --output FILE Write output to <file> instead of stdout", 152 " --pass PASS Pass phrase for the private key (SSL/SSH)", 153 " --post301 " 154 "Do not switch to GET after following a 301 redirect (H)", 155 " --post302 " 156 "Do not switch to GET after following a 302 redirect (H)", 157 " --post303 " 158 "Do not switch to GET after following a 303 redirect (H)", 159 " -#, --progress-bar Display transfer progress as a progress bar", 160 " --proto PROTOCOLS Enable/disable specified protocols", 161 " --proto-redir PROTOCOLS " 162 "Enable/disable specified protocols on redirect", 163 " -x, --proxy [PROTOCOL://]HOST[:PORT] Use proxy on given port", 164 " --proxy-anyauth Pick \"any\" proxy authentication method (H)", 165 " --proxy-basic Use Basic authentication on the proxy (H)", 166 " --proxy-digest Use Digest authentication on the proxy (H)", 167 " --proxy-negotiate Use Negotiate authentication on the proxy (H)", 168 " --proxy-ntlm Use NTLM authentication on the proxy (H)", 169 " -U, --proxy-user USER[:PASSWORD] Proxy user and password", 170 " --proxy1.0 HOST[:PORT] Use HTTP/1.0 proxy on given port", 171 " -p, --proxytunnel Operate through a HTTP proxy tunnel (using CONNECT)", 172 " --pubkey KEY Public key file name (SSH)", 173 " -Q, --quote CMD Send command(s) to server before transfer (F/SFTP)", 174 " --random-file FILE File for reading random data from (SSL)", 175 " -r, --range RANGE Retrieve only the bytes within a range", 176 " --raw Do HTTP \"raw\", without any transfer decoding (H)", 177 " -e, --referer Referer URL (H)", 178 " -J, --remote-header-name Use the header-provided filename (H)", 179 " -O, --remote-name Write output to a file named as the remote file", 180 " --remote-name-all Use the remote file name for all URLs", 181 " -R, --remote-time Set the remote file's time on the local output", 182 " -X, --request COMMAND Specify request command to use", 183 " --resolve HOST:PORT:ADDRESS Force resolve of HOST:PORT to ADDRESS", 184 " --retry NUM " 185 "Retry request NUM times if transient problems occur", 186 " --retry-delay SECONDS " 187 "When retrying, wait this many seconds between each", 188 " --retry-max-time SECONDS Retry only within this period", 189 " --sasl-ir Enable initial response in SASL authentication", 190 " -S, --show-error " 191 "Show error. With -s, make curl show errors when they occur", 192 " -s, --silent Silent mode. Don't output anything", 193 " --socks4 HOST[:PORT] SOCKS4 proxy on given host + port", 194 " --socks4a HOST[:PORT] SOCKS4a proxy on given host + port", 195 " --socks5 HOST[:PORT] SOCKS5 proxy on given host + port", 196 " --socks5-hostname HOST[:PORT] " 197 "SOCKS5 proxy, pass host name to proxy", 198#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI) 199 " --socks5-gssapi-service NAME SOCKS5 proxy service name for gssapi", 200 " --socks5-gssapi-nec Compatibility with NEC SOCKS5 server", 201#endif 202 " -Y, --speed-limit RATE " 203 "Stop transfers below speed-limit for 'speed-time' secs", 204 " -y, --speed-time SECONDS " 205 "Time for trig speed-limit abort. Defaults to 30", 206 " --ssl Try SSL/TLS (FTP, IMAP, POP3, SMTP)", 207 " --ssl-reqd Require SSL/TLS (FTP, IMAP, POP3, SMTP)", 208 " -2, --sslv2 Use SSLv2 (SSL)", 209 " -3, --sslv3 Use SSLv3 (SSL)", 210 " --ssl-allow-beast Allow security flaw to improve interop (SSL)", 211 " --stderr FILE Where to redirect stderr. - means stdout", 212 " --tcp-nodelay Use the TCP_NODELAY option", 213 " -t, --telnet-option OPT=VAL Set telnet option", 214 " --tftp-blksize VALUE Set TFTP BLKSIZE option (must be >512)", 215 " -z, --time-cond TIME Transfer based on a time condition", 216 " -1, --tlsv1 Use => TLSv1 (SSL)", 217 " --tlsv1.0 Use TLSv1.0 (SSL)", 218 " --tlsv1.1 Use TLSv1.1 (SSL)", 219 " --tlsv1.2 Use TLSv1.2 (SSL)", 220 " --trace FILE Write a debug trace to the given file", 221 " --trace-ascii FILE Like --trace but without the hex output", 222 " --trace-time Add time stamps to trace/verbose output", 223 " --tr-encoding Request compressed transfer encoding (H)", 224 " -T, --upload-file FILE Transfer FILE to destination", 225 " --url URL URL to work with", 226 " -B, --use-ascii Use ASCII/text transfer", 227 " -u, --user USER[:PASSWORD][;OPTIONS] Server user, password and login" 228 " options", 229 " --tlsuser USER TLS username", 230 " --tlspassword STRING TLS password", 231 " --tlsauthtype STRING TLS authentication type (default SRP)", 232 " -A, --user-agent STRING User-Agent to send to server (H)", 233 " -v, --verbose Make the operation more talkative", 234 " -V, --version Show version number and quit", 235#ifdef USE_WATT32 236 " --wdebug Turn on Watt-32 debugging", 237#endif 238 " -w, --write-out FORMAT What to output after completion", 239 " --xattr Store metadata in extended file attributes", 240 " -q If used as the first parameter disables .curlrc", 241 NULL 242}; 243 244#ifdef NETWARE 245# define PRINT_LINES_PAUSE 23 246#endif 247 248#ifdef __SYMBIAN32__ 249# define PRINT_LINES_PAUSE 16 250#endif 251 252struct feat { 253 const char *name; 254 int bitmask; 255}; 256 257static const struct feat feats[] = { 258 {"AsynchDNS", CURL_VERSION_ASYNCHDNS}, 259 {"Debug", CURL_VERSION_DEBUG}, 260 {"TrackMemory", CURL_VERSION_CURLDEBUG}, 261 {"GSS-Negotiate", CURL_VERSION_GSSNEGOTIATE}, 262 {"IDN", CURL_VERSION_IDN}, 263 {"IPv6", CURL_VERSION_IPV6}, 264 {"Largefile", CURL_VERSION_LARGEFILE}, 265 {"NTLM", CURL_VERSION_NTLM}, 266 {"NTLM_WB", CURL_VERSION_NTLM_WB}, 267 {"SPNEGO", CURL_VERSION_SPNEGO}, 268 {"SSL", CURL_VERSION_SSL}, 269 {"SSPI", CURL_VERSION_SSPI}, 270 {"krb4", CURL_VERSION_KERBEROS4}, 271 {"libz", CURL_VERSION_LIBZ}, 272 {"CharConv", CURL_VERSION_CONV}, 273 {"TLS-SRP", CURL_VERSION_TLSAUTH_SRP}, 274 {"HTTP2", CURL_VERSION_HTTP2} 275}; 276 277void tool_help(void) 278{ 279 int i; 280 for(i = 0; helptext[i]; i++) { 281 puts(helptext[i]); 282#ifdef PRINT_LINES_PAUSE 283 if(i && ((i % PRINT_LINES_PAUSE) == 0)) 284 tool_pressanykey(); 285#endif 286 } 287} 288 289void tool_version_info(void) 290{ 291 const char *const *proto; 292 293 printf(CURL_ID "%s\n", curl_version()); 294 if(curlinfo->protocols) { 295 printf("Protocols: "); 296 for(proto = curlinfo->protocols; *proto; ++proto) { 297 printf("%s ", *proto); 298 } 299 puts(""); /* newline */ 300 } 301 if(curlinfo->features) { 302 unsigned int i; 303 printf("Features: "); 304 for(i = 0; i < sizeof(feats)/sizeof(feats[0]); i++) { 305 if(curlinfo->features & feats[i].bitmask) 306 printf("%s ", feats[i].name); 307 } 308#ifdef USE_METALINK 309 printf("Metalink "); 310#endif 311 puts(""); /* newline */ 312 } 313} 314 315void tool_list_engines(CURL *curl) 316{ 317 struct curl_slist *engines = NULL; 318 319 /* Get the list of engines */ 320 curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines); 321 322 puts("Build-time engines:"); 323 if(engines) { 324 for(; engines; engines = engines->next) 325 printf(" %s\n", engines->data); 326 } 327 else { 328 puts(" <none>"); 329 } 330 331 /* Cleanup the list of engines */ 332 curl_slist_free_all(engines); 333} 334