aboutsummaryrefslogtreecommitdiff
path: root/src/tool_help.c
blob: 59273036e1d09071c441204b03ea7d9ed39b6e3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at http://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
#include "tool_setup.h"

#include "tool_panykey.h"
#include "tool_help.h"
#include "tool_libinfo.h"
#include "tool_version.h"

#include "memdebug.h" /* keep this as LAST include */

#ifdef MSDOS
#  define USE_WATT32
#endif

/*
 * A few of these source lines are >80 columns wide, but that's only because
 * breaking the strings narrower makes this chunk look even worse!
 *
 *  Starting with 7.18.0, this list of command line options is sorted based
 *  on the long option name. It is not done automatically, although a command
 *  line like the following can help out:
 *
 *  curl --help | cut -c5- | grep "^-" | sort
 */

static const char *const helptext[] = {
  "Usage: curl [options...] <url>",
  "Options: (H) means HTTP/HTTPS only, (F) means FTP only",
  "     --anyauth       Pick \"any\" authentication method (H)",
  " -a, --append        Append to target file when uploading (F/SFTP)",
  "     --basic         Use HTTP Basic Authentication (H)",
  "     --cacert FILE   CA certificate to verify peer against (SSL)",
  "     --capath DIR    CA directory to verify peer against (SSL)",
  " -E, --cert CERT[:PASSWD]  Client certificate file and password (SSL)",
  "     --cert-status   Verify the status of the server certificate (SSL)",
  "     --cert-type TYPE  Certificate file type (DER/PEM/ENG) (SSL)",
  "     --ciphers LIST  SSL ciphers to use (SSL)",
  "     --compressed    Request compressed response (using deflate or gzip)",
  " -K, --config FILE   Read config from FILE",
  "     --connect-timeout SECONDS  Maximum time allowed for connection",
  " -C, --continue-at OFFSET  Resumed transfer OFFSET",
  " -b, --cookie STRING/FILE  Read cookies from STRING/FILE (H)",
  " -c, --cookie-jar FILE  Write cookies to FILE after operation (H)",
  "     --create-dirs   Create necessary local directory hierarchy",
  "     --crlf          Convert LF to CRLF in upload",
  "     --crlfile FILE  Get a CRL list in PEM format from the given file",
  " -d, --data DATA     HTTP POST data (H)",
  "     --data-raw DATA  HTTP POST data, '@' allowed (H)",
  "     --data-ascii DATA  HTTP POST ASCII data (H)",
  "     --data-binary DATA  HTTP POST binary data (H)",
  "     --data-urlencode DATA  HTTP POST data url encoded (H)",
  "     --delegation STRING  GSS-API delegation permission",
  "     --digest        Use HTTP Digest Authentication (H)",
  "     --disable-eprt  Inhibit using EPRT or LPRT (F)",
  "     --disable-epsv  Inhibit using EPSV (F)",
  "     --dns-servers   DNS server addrs to use: 1.1.1.1;2.2.2.2",
  "     --dns-interface  Interface to use for DNS requests",
  "     --dns-ipv4-addr  IPv4 address to use for DNS requests, dot notation",
  "     --dns-ipv6-addr  IPv6 address to use for DNS requests, dot notation",
  " -D, --dump-header FILE  Write the headers to FILE",
  "     --egd-file FILE  EGD socket path for random data (SSL)",
  "     --engine ENGINE  Crypto engine (use \"--engine list\" for list) (SSL)",
#ifdef USE_ENVIRONMENT
  "     --environment   Write results to environment variables (RISC OS)",
#endif
  " -f, --fail          Fail silently (no output at all) on HTTP errors (H)",
  "     --false-start   Enable TLS False Start.",
  " -F, --form CONTENT  Specify HTTP multipart POST data (H)",
  "     --form-string STRING  Specify HTTP multipart POST data (H)",
  "     --ftp-account DATA  Account data string (F)",
  "     --ftp-alternative-to-user COMMAND  "
  "String to replace \"USER [name]\" (F)",
  "     --ftp-create-dirs  Create the remote dirs if not present (F)",
  "     --ftp-method [MULTICWD/NOCWD/SINGLECWD]  Control CWD usage (F)",
  "     --ftp-pasv      Use PASV/EPSV instead of PORT (F)",
  " -P, --ftp-port ADR  Use PORT with given address instead of PASV (F)",
  "     --ftp-skip-pasv-ip  Skip the IP address for PASV (F)\n"
  "     --ftp-pret      Send PRET before PASV (for drftpd) (F)",
  "     --ftp-ssl-ccc   Send CCC after authenticating (F)",
  "     --ftp-ssl-ccc-mode ACTIVE/PASSIVE  Set CCC mode (F)",
  "     --ftp-ssl-control  Require SSL/TLS for FTP login, "
  "clear for transfer (F)",
  " -G, --get           Send the -d data with a HTTP GET (H)",
  " -g, --globoff       Disable URL sequences and ranges using {} and []",
  " -H, --header LINE   Pass custom header LINE to server (H)",
  " -I, --head          Show document info only",
  " -h, --help          This help text",
  "     --hostpubmd5 MD5  "
  "Hex-encoded MD5 string of the host public key. (SSH)",
  " -0, --http1.0       Use HTTP 1.0 (H)",
  "     --http1.1       Use HTTP 1.1 (H)",
  "     --http2         Use HTTP 2 (H)",
  "     --ignore-content-length  Ignore the HTTP Content-Length header",
  " -i, --include       Include protocol headers in the output (H/F)",
  " -k, --insecure      Allow connections to SSL sites without certs (H)",
  "     --interface INTERFACE  Use network INTERFACE (or address)",
  " -4, --ipv4          Resolve name to IPv4 address",
  " -6, --ipv6          Resolve name to IPv6 address",
  " -j, --junk-session-cookies  Ignore session cookies read from file (H)",
  "     --keepalive-time SECONDS  Wait SECONDS between keepalive probes",
  "     --key KEY       Private key file name (SSL/SSH)",
  "     --key-type TYPE  Private key file type (DER/PEM/ENG) (SSL)",
  "     --krb LEVEL     Enable Kerberos with security LEVEL (F)",
#ifndef CURL_DISABLE_LIBCURL_OPTION
  "     --libcurl FILE  Dump libcurl equivalent code of this command line",
#endif
  "     --limit-rate RATE  Limit transfer speed to RATE",
  " -l, --list-only     List only mode (F/POP3)",
  "     --local-port RANGE  Force use of RANGE for local port numbers",
  " -L, --location      Follow redirects (H)",
  "     --location-trusted  "
  "Like '--location', and send auth to other hosts (H)",
  "     --login-options OPTIONS  Server login options (IMAP, POP3, SMTP)",
  " -M, --manual        Display the full manual",
  "     --mail-from FROM  Mail from this address (SMTP)",
  "     --mail-rcpt TO  Mail to this/these addresses (SMTP)",
  "     --mail-auth AUTH  Originator address of the original email (SMTP)",
  "     --max-filesize BYTES  Maximum file size to download (H/F)",
  "     --max-redirs NUM  Maximum number of redirects allowed (H)",
  " -m, --max-time SECONDS  Maximum time allowed for the transfer",
  "     --metalink      Process given URLs as metalink XML file",
  "     --negotiate     Use HTTP Negotiate (SPNEGO) authentication (H)",
  " -n, --netrc         Must read .netrc for user name and password",
  "     --netrc-optional  Use either .netrc or URL; overrides -n",
  "     --netrc-file FILE  Specify FILE for netrc",
  " -:, --next          "
  "Allows the following URL to use a separate set of options",
  "     --no-alpn       Disable the ALPN TLS extension (H)",
  " -N, --no-buffer     Disable buffering of the output stream",
  "     --no-keepalive  Disable keepalive use on the connection",
  "     --no-npn        Disable the NPN TLS extension (H)",
  "     --no-sessionid  Disable SSL session-ID reusing (SSL)",
  "     --noproxy       List of hosts which do not use proxy",
  "     --ntlm          Use HTTP NTLM authentication (H)",
  "     --oauth2-bearer TOKEN  OAuth 2 Bearer Token (IMAP, POP3, SMTP)",
  " -o, --output FILE   Write to FILE instead of stdout",
  "     --pass PASS     Pass phrase for the private key (SSL/SSH)",
  "     --path-as-is    Do not squash .. sequences in URL path",
  "     --pinnedpubkey FILE  Public key (PEM/DER) to verify peer against "
  "(OpenSSL/GnuTLS/NSS/wolfSSL/CyaSSL/GSKit only)",
  "     --post301       "
  "Do not switch to GET after following a 301 redirect (H)",
  "     --post302       "
  "Do not switch to GET after following a 302 redirect (H)",
  "     --post303       "
  "Do not switch to GET after following a 303 redirect (H)",
  " -#, --progress-bar  Display transfer progress as a progress bar",
  "     --proto PROTOCOLS  Enable/disable PROTOCOLS",
  "     --proto-redir PROTOCOLS  Enable/disable PROTOCOLS on redirect",
  " -x, --proxy [PROTOCOL://]HOST[:PORT]  Use proxy on given port",
  "     --proxy-anyauth  Pick \"any\" proxy authentication method (H)",
  "     --proxy-basic   Use Basic authentication on the proxy (H)",
  "     --proxy-digest  Use Digest authentication on the proxy (H)",
  "     --proxy-negotiate  "
  "Use HTTP Negotiate (SPNEGO) authentication on the proxy (H)",
  "     --proxy-ntlm    Use NTLM authentication on the proxy (H)",
  "     --proxy-service-name NAME  SPNEGO proxy service name",
  "     --service-name NAME  SPNEGO service name",
  " -U, --proxy-user USER[:PASSWORD]  Proxy user and password",
  "     --proxy1.0 HOST[:PORT]  Use HTTP/1.0 proxy on given port",
  " -p, --proxytunnel   Operate through a HTTP proxy tunnel (using CONNECT)",
  "     --pubkey KEY    Public key file name (SSH)",
  " -Q, --quote CMD     Send command(s) to server before transfer (F/SFTP)",
  "     --random-file FILE  File for reading random data from (SSL)",
  " -r, --range RANGE   Retrieve only the bytes within RANGE",
  "     --raw           Do HTTP \"raw\"; no transfer decoding (H)",
  " -e, --referer       Referer URL (H)",
  " -J, --remote-header-name  Use the header-provided filename (H)",
  " -O, --remote-name   Write output to a file named as the remote file",
  "     --remote-name-all  Use the remote file name for all URLs",
  " -R, --remote-time   Set the remote file's time on the local output",
  " -X, --request COMMAND  Specify request command to use",
  "     --resolve HOST:PORT:ADDRESS  Force resolve of HOST:PORT to ADDRESS",
  "     --retry NUM   "
  "Retry request NUM times if transient problems occur",
  "     --retry-delay SECONDS  Wait SECONDS between retries",
  "     --retry-max-time SECONDS  Retry only within this period",
  "     --sasl-ir       Enable initial response in SASL authentication",
  " -S, --show-error    "
  "Show error. With -s, make curl show errors when they occur",
  " -s, --silent        Silent mode (don't output anything)",
  "     --socks4 HOST[:PORT]  SOCKS4 proxy on given host + port",
  "     --socks4a HOST[:PORT]  SOCKS4a proxy on given host + port",
  "     --socks5 HOST[:PORT]  SOCKS5 proxy on given host + port",
  "     --socks5-hostname HOST[:PORT]  "
  "SOCKS5 proxy, pass host name to proxy",
  "     --socks5-gssapi-service NAME  SOCKS5 proxy service name for GSS-API",
  "     --socks5-gssapi-nec  Compatibility with NEC SOCKS5 server",
  " -Y, --speed-limit RATE  "
  "Stop transfers below RATE for 'speed-time' secs",
  " -y, --speed-time SECONDS  "
  "Trigger 'speed-limit' abort after SECONDS (default: 30)",
  "     --ssl           Try SSL/TLS (FTP, IMAP, POP3, SMTP)",
  "     --ssl-reqd      Require SSL/TLS (FTP, IMAP, POP3, SMTP)",
  " -2, --sslv2         Use SSLv2 (SSL)",
  " -3, --sslv3         Use SSLv3 (SSL)",
  "     --ssl-allow-beast  Allow security flaw to improve interop (SSL)",
  "     --stderr FILE   Where to redirect stderr (use \"-\" for stdout)",
  "     --tcp-nodelay   Use the TCP_NODELAY option",
  " -t, --telnet-option OPT=VAL  Set telnet option",
  "     --tftp-blksize VALUE  Set TFTP BLKSIZE option (must be >512)",
  " -z, --time-cond TIME  Transfer based on a time condition",
  " -1, --tlsv1         Use >= TLSv1 (SSL)",
  "     --tlsv1.0       Use TLSv1.0 (SSL)",
  "     --tlsv1.1       Use TLSv1.1 (SSL)",
  "     --tlsv1.2       Use TLSv1.2 (SSL)",
  "     --trace FILE    Write a debug trace to FILE",
  "     --trace-ascii FILE  Like --trace, but without hex output",
  "     --trace-time    Add time stamps to trace/verbose output",
  "     --tr-encoding   Request compressed transfer encoding (H)",
  " -T, --upload-file FILE  Transfer FILE to destination",
  "     --url URL       URL to work with",
  " -B, --use-ascii     Use ASCII/text transfer",
  " -u, --user USER[:PASSWORD]  Server user and password",
  "     --tlsuser USER  TLS username",
  "     --tlspassword STRING  TLS password",
  "     --tlsauthtype STRING  TLS authentication type (default: SRP)",
  "     --unix-socket FILE    Connect through this Unix domain socket",
  " -A, --user-agent STRING  Send User-Agent STRING to server (H)",
  " -v, --verbose       Make the operation more talkative",
  " -V, --version       Show version number and quit",
#ifdef USE_WATT32
  "     --wdebug        Turn on Watt-32 debugging",
#endif
  " -w, --write-out FORMAT  Use output FORMAT after completion",
  "     --xattr         Store metadata in extended file attributes",
  " -q                  Disable .curlrc (must be first parameter)",
  NULL
};

#ifdef NETWARE
#  define PRINT_LINES_PAUSE 23
#endif

#ifdef __SYMBIAN32__
#  define PRINT_LINES_PAUSE 16
#endif

struct feat {
  const char *name;
  int bitmask;
};

static const struct feat feats[] = {
  {"AsynchDNS",      CURL_VERSION_ASYNCHDNS},
  {"Debug",          CURL_VERSION_DEBUG},
  {"TrackMemory",    CURL_VERSION_CURLDEBUG},
  {"IDN",            CURL_VERSION_IDN},
  {"IPv6",           CURL_VERSION_IPV6},
  {"Largefile",      CURL_VERSION_LARGEFILE},
  {"SSPI",           CURL_VERSION_SSPI},
  {"GSS-API",        CURL_VERSION_GSSAPI},
  {"Kerberos",       CURL_VERSION_KERBEROS5},
  {"SPNEGO",         CURL_VERSION_SPNEGO},
  {"NTLM",           CURL_VERSION_NTLM},
  {"NTLM_WB",        CURL_VERSION_NTLM_WB},
  {"SSL",            CURL_VERSION_SSL},
  {"libz",           CURL_VERSION_LIBZ},
  {"CharConv",       CURL_VERSION_CONV},
  {"TLS-SRP",        CURL_VERSION_TLSAUTH_SRP},
  {"HTTP2",          CURL_VERSION_HTTP2},
  {"UnixSockets",    CURL_VERSION_UNIX_SOCKETS},
};

void tool_help(void)
{
  int i;
  for(i = 0; helptext[i]; i++) {
    puts(helptext[i]);
#ifdef PRINT_LINES_PAUSE
    if(i && ((i % PRINT_LINES_PAUSE) == 0))
      tool_pressanykey();
#endif
  }
}

void tool_version_info(void)
{
  const char *const *proto;

  printf(CURL_ID "%s\n", curl_version());
  if(curlinfo->protocols) {
    printf("Protocols: ");
    for(proto = curlinfo->protocols; *proto; ++proto) {
      printf("%s ", *proto);
    }
    puts(""); /* newline */
  }
  if(curlinfo->features) {
    unsigned int i;
    printf("Features: ");
    for(i = 0; i < sizeof(feats)/sizeof(feats[0]); i++) {
      if(curlinfo->features & feats[i].bitmask)
        printf("%s ", feats[i].name);
    }
#ifdef USE_METALINK
    printf("Metalink ");
#endif
    puts(""); /* newline */
  }
}

void tool_list_engines(CURL *curl)
{
  struct curl_slist *engines = NULL;

  /* Get the list of engines */
  curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);

  puts("Build-time engines:");
  if(engines) {
    for(; engines; engines = engines->next)
      printf("  %s\n", engines->data);
  }
  else {
    puts("  <none>");
  }

  /* Cleanup the list of engines */
  curl_slist_free_all(engines);
}