1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
22 #include "tool_setup.h"
24 #include "tool_panykey.h"
25 #include "tool_help.h"
26 #include "tool_libinfo.h"
27 #include "tool_version.h"
29 #include "memdebug.h" /* keep this as LAST include */
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!
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:
43 * curl --help | cut -c5- | grep "^-" | sort
46 static 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)",
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",
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",
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",
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)",
154 "Do not switch to GET after following a 301 redirect (H)",
156 "Do not switch to GET after following a 302 redirect (H)",
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",
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",
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",
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"
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",
236 " --wdebug Turn on Watt-32 debugging",
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",
245 # define PRINT_LINES_PAUSE 23
249 # define PRINT_LINES_PAUSE 16
257 static 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}
280 for(i = 0; helptext[i]; i++) {
282 #ifdef PRINT_LINES_PAUSE
283 if(i && ((i % PRINT_LINES_PAUSE) == 0))
289 void tool_version_info(void)
291 const char *const *proto;
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);
299 puts(""); /* newline */
301 if(curlinfo->features) {
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);
311 puts(""); /* newline */
315 void tool_list_engines(CURL *curl)
317 struct curl_slist *engines = NULL;
319 /* Get the list of engines */
320 curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);
322 puts("Build-time engines:");
324 for(; engines; engines = engines->next)
325 printf(" %s\n", engines->data);
331 /* Cleanup the list of engines */
332 curl_slist_free_all(engines);