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curl/src/tool_help.c

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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2017, 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 https://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
/*
* The help output is generated with the following command
---------------------------------------------------------
cd $srcroot/docs/cmdline-opts
./gen.pl listhelp
*/
struct helptxt {
const char *opt;
const char *desc;
};
static const struct helptxt helptext[] = {
{" --abstract-unix-socket <path>",
"Connect via abstract Unix domain socket"},
{" --anyauth",
"Pick any authentication method"},
{"-a, --append",
"Append to target file when uploading"},
{" --basic",
"Use HTTP Basic Authentication"},
{" --cacert <CA certificate>",
"CA certificate to verify peer against"},
{" --capath <dir>",
"CA directory to verify peer against"},
{"-E, --cert <certificate[:password]>",
"Client certificate file and password"},
{" --cert-status",
"Verify the status of the server certificate"},
{" --cert-type <type>",
"Certificate file type (DER/PEM/ENG)"},
{" --ciphers <list of ciphers>",
"SSL ciphers to use"},
{" --compressed",
"Request compressed response"},
{"-K, --config <file>",
"Read config from a file"},
{" --connect-timeout <seconds>",
"Maximum time allowed for connection"},
{" --connect-to <HOST1:PORT1:HOST2:PORT2>",
"Connect to host"},
{"-C, --continue-at <offset>",
"Resumed transfer offset"},
{"-b, --cookie <data>",
"Send cookies from string/file"},
{"-c, --cookie-jar <filename>",
"Write cookies to <filename> after operation"},
{" --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"},
{" --data-ascii <data>",
"HTTP POST ASCII data"},
{" --data-binary <data>",
"HTTP POST binary data"},
{" --data-raw <data>",
"HTTP POST data, '@' allowed"},
{" --data-urlencode <data>",
"HTTP POST data url encoded"},
{" --delegation <LEVEL>",
"GSS-API delegation permission"},
{" --digest",
"Use HTTP Digest Authentication"},
{"-q, --disable",
"Disable .curlrc"},
{" --disable-eprt",
"Inhibit using EPRT or LPRT"},
{" --disable-epsv",
"Inhibit using EPSV"},
{" --dns-interface <interface>",
"Interface to use for DNS requests"},
{" --dns-ipv4-addr <address>",
"IPv4 address to use for DNS requests"},
{" --dns-ipv6-addr <address>",
"IPv6 address to use for DNS requests"},
{" --dns-servers <addresses>",
"DNS server addrs to use"},
{"-D, --dump-header <filename>",
"Write the received headers to <filename>"},
{" --egd-file <file>",
"EGD socket path for random data"},
{" --engine <name>",
"Crypto engine to use"},
{" --expect100-timeout <seconds>",
"How long to wait for 100-continue"},
{"-f, --fail",
"Fail silently (no output at all) on HTTP errors"},
{" --fail-early",
"Fail on first transfer error, do not continue"},
{" --false-start",
"Enable TLS False Start"},
{"-F, --form <name=content>",
"Specify HTTP multipart POST data"},
{" --form-string <name=string>",
"Specify HTTP multipart POST data"},
{" --ftp-account <data>",
"Account data string"},
{" --ftp-alternative-to-user <command>",
"String to replace USER [name]"},
{" --ftp-create-dirs",
"Create the remote dirs if not present"},
{" --ftp-method <method>",
"Control CWD usage"},
{" --ftp-pasv",
"Use PASV/EPSV instead of PORT"},
{"-P, --ftp-port <address>",
"Use PORT instead of PASV"},
{" --ftp-pret",
"Send PRET before PASV"},
{" --ftp-skip-pasv-ip",
"Skip the IP address for PASV"},
{" --ftp-ssl-ccc",
"Send CCC after authenticating"},
{" --ftp-ssl-ccc-mode <active/passive>",
"Set CCC mode"},
{" --ftp-ssl-control",
"Require SSL/TLS for FTP login, clear for transfer"},
{"-G, --get",
"Put the post data in the URL and use GET"},
{"-g, --globoff",
"Disable URL sequences and ranges using {} and []"},
{"-I, --head",
"Show document info only"},
{"-H, --header <header/@file>",
"Pass custom header(s) to server"},
{"-h, --help",
"This help text"},
{" --hostpubmd5 <md5>",
"Acceptable MD5 hash of the host public key"},
{"-0, --http1.0",
"Use HTTP 1.0"},
{" --http1.1",
"Use HTTP 1.1"},
{" --http2",
"Use HTTP 2"},
{" --http2-prior-knowledge",
"Use HTTP 2 without HTTP/1.1 Upgrade"},
{" --ignore-content-length",
"Ignore the size of the remote resource"},
{"-i, --include",
"Include protocol headers in the output"},
{"-k, --insecure",
"Allow insecure server connections when using SSL"},
{" --interface <name>",
"Use network INTERFACE (or address)"},
{"-4, --ipv4",
"Resolve names to IPv4 addresses"},
{"-6, --ipv6",
"Resolve names to IPv6 addresses"},
{"-j, --junk-session-cookies",
"Ignore session cookies read from file"},
{" --keepalive-time <seconds>",
"Interval time for keepalive probes"},
{" --key <key>",
"Private key file name"},
{" --key-type <type>",
"Private key file type (DER/PEM/ENG)"},
{" --krb <level>",
"Enable Kerberos with security <level>"},
{" --libcurl <file>",
"Dump libcurl equivalent code of this command line"},
{" --limit-rate <speed>",
"Limit transfer speed to RATE"},
{"-l, --list-only",
"List only mode"},
{" --local-port <num/range>",
"Force use of RANGE for local port numbers"},
{"-L, --location",
"Follow redirects"},
{" --location-trusted",
"Like --location, and send auth to other hosts"},
{" --login-options <options>",
"Server login options"},
{" --mail-auth <address>",
"Originator address of the original email"},
{" --mail-from <address>",
"Mail from this address"},
{" --mail-rcpt <address>",
"Mail from this address"},
{"-M, --manual",
"Display the full manual"},
{" --max-filesize <bytes>",
"Maximum file size to download"},
{" --max-redirs <num>",
"Maximum number of redirects allowed"},
{"-m, --max-time <time>",
"Maximum time allowed for the transfer"},
{" --metalink",
"Process given URLs as metalink XML file"},
{" --negotiate",
"Use HTTP Negotiate (SPNEGO) authentication"},
{"-n, --netrc",
"Must read .netrc for user name and password"},
{" --netrc-file <filename>",
"Specify FILE for netrc"},
{" --netrc-optional",
"Use either .netrc or URL"},
{"-:, --next",
"Make next URL use its separate set of options"},
{" --no-alpn",
"Disable the ALPN TLS extension"},
{"-N, --no-buffer",
"Disable buffering of the output stream"},
{" --no-keepalive",
"Disable TCP keepalive on the connection"},
{" --no-npn",
"Disable the NPN TLS extension"},
{" --no-sessionid",
"Disable SSL session-ID reusing"},
{" --noproxy <no-proxy-list>",
"List of hosts which do not use proxy"},
{" --ntlm",
"Use HTTP NTLM authentication"},
{" --ntlm-wb",
"Use HTTP NTLM authentication with winbind"},
{" --oauth2-bearer <token>",
"OAuth 2 Bearer Token"},
{"-o, --output <file>",
"Write to file instead of stdout"},
{" --pass <phrase>",
"Pass phrase for the private key"},
{" --path-as-is",
"Do not squash .. sequences in URL path"},
{" --pinnedpubkey <hashes>",
"FILE/HASHES Public key to verify peer against"},
{" --post301",
"Do not switch to GET after following a 301"},
{" --post302",
"Do not switch to GET after following a 302"},
{" --post303",
"Do not switch to GET after following a 303"},
{" --preproxy [protocol://]host[:port]",
"Use this proxy first"},
{"-#, --progress-bar",
"Display transfer progress as a bar"},
{" --proto <protocols>",
"Enable/disable PROTOCOLS"},
{" --proto-default <protocol>",
"Use PROTOCOL for any URL missing a scheme"},
{" --proto-redir <protocols>",
"Enable/disable PROTOCOLS on redirect"},
{"-x, --proxy [protocol://]host[:port]",
"Use this proxy"},
{" --proxy-anyauth",
"Pick any proxy authentication method"},
{" --proxy-basic",
"Use Basic authentication on the proxy"},
{" --proxy-cacert <file>",
"CA certificate to verify peer against for proxy"},
{" --proxy-capath <dir>",
"CA directory to verify peer against for proxy"},
{" --proxy-cert <cert[:passwd]>",
"Set client certificate for proxy"},
{" --proxy-cert-type <type>",
"Client certificate type for HTTS proxy"},
{" --proxy-ciphers <list>",
"SSL ciphers to use for proxy"},
{" --proxy-crlfile <file>",
"Set a CRL list for proxy"},
{" --proxy-digest",
"Use Digest authentication on the proxy"},
{" --proxy-header <header/@file>",
"Pass custom header(s) to proxy"},
{" --proxy-insecure",
"Do HTTPS proxy connections without verifying the proxy"},
{" --proxy-key <key>",
"Private key for HTTPS proxy"},
{" --proxy-key-type <type>",
"Private key file type for proxy"},
{" --proxy-negotiate",
"Use HTTP Negotiate (SPNEGO) authentication on the proxy"},
{" --proxy-ntlm",
"Use NTLM authentication on the proxy"},
{" --proxy-pass <phrase>",
"Pass phrase for the private key for HTTPS proxy"},
{" --proxy-service-name <name>",
"SPNEGO proxy service name"},
{" --proxy-ssl-allow-beast",
"Allow security flaw for interop for HTTPS proxy"},
{" --proxy-tlsauthtype <type>",
"TLS authentication type for HTTPS proxy"},
{" --proxy-tlspassword <string>",
"TLS password for HTTPS proxy"},
{" --proxy-tlsuser <name>",
"TLS username for HTTPS proxy"},
{" --proxy-tlsv1",
"Use TLSv1 for HTTPS proxy"},
{"-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>",
"SSH Public key file name"},
{"-Q, --quote",
"Send command(s) to server before transfer"},
{" --random-file <file>",
"File for reading random data from"},
{"-r, --range <range>",
"Retrieve only the bytes within RANGE"},
{" --raw",
"Do HTTP \"raw\"; no transfer decoding"},
{"-e, --referer <URL>",
"Referrer URL"},
{"-J, --remote-header-name",
"Use the header-provided filename"},
{"-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"},
{" --request-target",
"Specify the target for this request"},
{" --resolve <host:port:address>",
"Resolve the host+port to this address"},
{" --retry <num>",
"Retry request if transient problems occur"},
{" --retry-connrefused",
"Retry on connection refused (use with --retry)"},
{" --retry-delay <seconds>",
"Wait time between retries"},
{" --retry-max-time <seconds>",
"Retry only within this period"},
{" --sasl-ir",
"Enable initial response in SASL authentication"},
{" --service-name <name>",
"SPNEGO service name"},
{"-S, --show-error",
"Show error even when -s is used"},
{"-s, --silent",
"Silent mode"},
{" --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-basic",
"Enable username/password auth for SOCKS5 proxies"},
{" --socks5-gssapi",
"Enable GSS-API auth for SOCKS5 proxies"},
{" --socks5-gssapi-nec",
"Compatibility with NEC SOCKS5 server"},
{" --socks5-gssapi-service <name>",
"SOCKS5 proxy service name for GSS-API"},
{" --socks5-hostname <host[:port]>",
"SOCKS5 proxy, pass host name to proxy"},
{"-Y, --speed-limit <speed>",
"Stop transfers slower than this"},
{"-y, --speed-time <seconds>",
"Trigger 'speed-limit' abort after this time"},
{" --ssl",
"Try SSL/TLS"},
{" --ssl-allow-beast",
"Allow security flaw to improve interop"},
{" --ssl-no-revoke",
"Disable cert revocation checks (WinSSL)"},
{" --ssl-reqd",
"Require SSL/TLS"},
{"-2, --sslv2",
"Use SSLv2"},
{"-3, --sslv3",
"Use SSLv3"},
{" --stderr",
"Where to redirect stderr"},
{" --suppress-connect-headers",
"Suppress proxy CONNECT response headers"},
{" --tcp-fastopen",
"Use TCP Fast Open"},
{" --tcp-nodelay",
"Use the TCP_NODELAY option"},
{"-t, --telnet-option <opt=val>",
"Set telnet option"},
{" --tftp-blksize <value>",
"Set TFTP BLKSIZE option"},
{" --tftp-no-options",
"Do not send any TFTP options"},
{"-z, --time-cond <time>",
"Transfer based on a time condition"},
{" --tls-max <VERSION>",
"Use TLSv1.0 or greater"},
{" --tlsauthtype <type>",
"TLS authentication type"},
{" --tlspassword",
"TLS password"},
{" --tlsuser <name>",
"TLS user name"},
{"-1, --tlsv1",
"Use TLSv1.0 or greater"},
{" --tlsv1.0",
"Use TLSv1.0"},
{" --tlsv1.1",
"Use TLSv1.1"},
{" --tlsv1.2",
"Use TLSv1.2"},
{" --tlsv1.3",
"Use TLSv1.3"},
{" --tr-encoding",
"Request compressed transfer encoding"},
{" --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"},
{" --unix-socket <path>",
"Connect through this Unix domain socket"},
{"-T, --upload-file <file>",
"Transfer local FILE to destination"},
{" --url <url>",
"URL to work with"},
{"-B, --use-ascii",
"Use ASCII/text transfer"},
{"-u, --user <user:password>",
"Server user and password"},
{"-A, --user-agent <name>",
"Send User-Agent <name> to server"},
{"-v, --verbose",
"Make the operation more talkative"},
{"-V, --version",
"Show version number and quit"},
{"-w, --write-out <format>",
"Use output FORMAT after completion"},
{" --xattr",
"Store metadata in extended file attributes"},
{ NULL, 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},
{"HTTPS-proxy", CURL_VERSION_HTTPS_PROXY}
};
void tool_help(void)
{
int i;
puts("Usage: curl [options...] <url>");
for(i = 0; helptext[i].opt; i++) {
printf(" %-19s %s\n", helptext[i].opt, helptext[i].desc);
#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());
#ifdef CURL_PATCHSTAMP
printf("Release-Date: %s, security patched: %s\n",
LIBCURL_TIMESTAMP, CURL_PATCHSTAMP);
#else
printf("Release-Date: %s\n", LIBCURL_TIMESTAMP);
#endif
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
#ifdef USE_LIBPSL
printf("PSL ");
#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);
}
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