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cd8d236245
curl/src/tool_getparam.c
Michael Kaufmann cd8d236245 news: CURLOPT_CONNECT_TO and --connect-to 
Makes curl connect to the given host+port instead of the host+port found
in the URL.
2016-04-17 23:50:59 +02:00

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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2016, 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 "rawstr.h"
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_binmode.h"
#include "tool_cfgable.h"
#include "tool_cb_prg.h"
#include "tool_formparse.h"
#include "tool_getparam.h"
#include "tool_helpers.h"
#include "tool_libinfo.h"
#include "tool_metalink.h"
#include "tool_msgs.h"
#include "tool_paramhlp.h"
#include "tool_parsecfg.h"
#include "memdebug.h" /* keep this as LAST include */
#ifdef MSDOS
# define USE_WATT32
#endif
#define GetStr(str,val) do { \
if(*(str)) { \
free(*(str)); \
*(str) = NULL; \
} \
if((val)) { \
*(str) = strdup((val)); \
if(!(*(str))) \
return PARAM_NO_MEM; \
} \
} WHILE_FALSE
struct LongShort {
const char *letter; /* short name option */
const char *lname; /* long name option */
bool extraparam; /* whether it takes an additional argument */
};
static const struct LongShort aliases[]= {
/* all these ones, starting with "*" or "$" as a short-option have *no*
short option to mention. */
{"*", "url", TRUE},
{"*4", "dns-ipv4-addr", TRUE},
{"*6", "dns-ipv6-addr", TRUE},
{"*a", "random-file", TRUE},
{"*b", "egd-file", TRUE},
{"*B", "oauth2-bearer", TRUE},
{"*c", "connect-timeout", TRUE},
{"*d", "ciphers", TRUE},
{"*D", "dns-interface", TRUE},
{"*e", "disable-epsv", FALSE},
{"*E", "epsv", FALSE},
/* 'epsv' made like this to make --no-epsv and --epsv to work
although --disable-epsv is the documented option */
#ifdef USE_ENVIRONMENT
{"*f", "environment", FALSE},
#endif
{"*F", "dns-servers", TRUE},
{"*g", "trace", TRUE},
{"*G", "npn", FALSE},
{"*h", "trace-ascii", TRUE},
{"*H", "alpn", FALSE},
{"*i", "limit-rate", TRUE},
{"*j", "compressed", FALSE},
{"*J", "tr-encoding", FALSE},
{"*k", "digest", FALSE},
{"*l", "negotiate", FALSE},
{"*m", "ntlm", FALSE},
{"*M", "ntlm-wb", FALSE},
{"*n", "basic", FALSE},
{"*o", "anyauth", FALSE},
#ifdef USE_WATT32
{"*p", "wdebug", FALSE},
#endif
{"*q", "ftp-create-dirs", FALSE},
{"*r", "create-dirs", FALSE},
{"*s", "max-redirs", TRUE},
{"*t", "proxy-ntlm", FALSE},
{"*u", "crlf", FALSE},
{"*v", "stderr", TRUE},
{"*w", "interface", TRUE},
{"*x", "krb", TRUE},
{"*x", "krb4", TRUE},
/* 'krb4' is the previous name */
{"*y", "max-filesize", TRUE},
{"*z", "disable-eprt", FALSE},
{"*Z", "eprt", FALSE},
/* 'eprt' made like this to make --no-eprt and --eprt to work
although --disable-eprt is the documented option */
{"$a", "ftp-ssl", FALSE},
/* 'ftp-ssl' deprecated name since 7.20.0 */
{"$a", "ssl", FALSE},
/* 'ssl' new option name in 7.20.0, previously this was ftp-ssl */
{"$b", "ftp-pasv", FALSE},
{"$c", "socks5", TRUE},
{"$c", "socks", TRUE},
/* 'socks' is how the option once was documented but we prefer
the --socks5 version for explicit version */
{"$d", "tcp-nodelay", FALSE},
{"$e", "proxy-digest", FALSE},
{"$f", "proxy-basic", FALSE},
{"$g", "retry", TRUE},
{"$h", "retry-delay", TRUE},
{"$i", "retry-max-time", TRUE},
{"$k", "proxy-negotiate", FALSE},
{"$m", "ftp-account", TRUE},
{"$n", "proxy-anyauth", FALSE},
{"$o", "trace-time", FALSE},
{"$p", "ignore-content-length", FALSE},
{"$q", "ftp-skip-pasv-ip", FALSE},
{"$r", "ftp-method", TRUE},
{"$s", "local-port", TRUE},
{"$t", "socks4", TRUE},
{"$T", "socks4a", TRUE},
{"$u", "ftp-alternative-to-user", TRUE},
{"$v", "ftp-ssl-reqd", FALSE},
/* 'ftp-ssl-reqd' deprecated name since 7.20.0 */
{"$v", "ssl-reqd", FALSE},
/* 'ssl-reqd' new in 7.20.0, previously this was ftp-ssl-reqd */
{"$w", "sessionid", FALSE},
/* 'sessionid' listed as --no-sessionid in the help */
{"$x", "ftp-ssl-control", FALSE},
{"$y", "ftp-ssl-ccc", FALSE},
{"$j", "ftp-ssl-ccc-mode", TRUE},
{"$z", "libcurl", TRUE},
{"$#", "raw", FALSE},
{"$0", "post301", FALSE},
{"$1", "keepalive", FALSE},
/* 'keepalive' listed as --no-keepalive in the help */
{"$2", "socks5-hostname", TRUE},
{"$3", "keepalive-time", TRUE},
{"$4", "post302", FALSE},
{"$5", "noproxy", TRUE},
{"$7", "socks5-gssapi-nec", FALSE},
{"$8", "proxy1.0", TRUE},
{"$9", "tftp-blksize", TRUE},
{"$A", "mail-from", TRUE},
{"$B", "mail-rcpt", TRUE},
{"$C", "ftp-pret", FALSE},
{"$D", "proto", TRUE},
{"$E", "proto-redir", TRUE},
{"$F", "resolve", TRUE},
{"$G", "delegation", TRUE},
{"$H", "mail-auth", TRUE},
{"$I", "post303", FALSE},
{"$J", "metalink", FALSE},
{"$K", "sasl-ir", FALSE},
{"$L", "test-event", FALSE},
{"$M", "unix-socket", TRUE},
{"$N", "path-as-is", FALSE},
{"$O", "socks5-gssapi-service", TRUE},
/* 'socks5-gssapi-service' merged with'proxy-service-name' and
deprecated since 7.49.0 */
{"$O", "proxy-service-name", TRUE},
{"$P", "service-name", TRUE},
{"$Q", "proto-default", TRUE},
{"$R", "expect100-timeout", TRUE},
{"$S", "tftp-no-options", FALSE},
{"$U", "connect-to", TRUE},
{"0", "http1.0", FALSE},
{"01", "http1.1", FALSE},
{"02", "http2", FALSE},
{"03", "http2-prior-knowledge", FALSE},
{"1", "tlsv1", FALSE},
{"10", "tlsv1.0", FALSE},
{"11", "tlsv1.1", FALSE},
{"12", "tlsv1.2", FALSE},
{"2", "sslv2", FALSE},
{"3", "sslv3", FALSE},
{"4", "ipv4", FALSE},
{"6", "ipv6", FALSE},
{"a", "append", FALSE},
{"A", "user-agent", TRUE},
{"b", "cookie", TRUE},
{"B", "use-ascii", FALSE},
{"c", "cookie-jar", TRUE},
{"C", "continue-at", TRUE},
{"d", "data", TRUE},
{"dr", "data-raw", TRUE},
{"da", "data-ascii", TRUE},
{"db", "data-binary", TRUE},
{"de", "data-urlencode", TRUE},
{"D", "dump-header", TRUE},
{"e", "referer", TRUE},
{"E", "cert", TRUE},
{"Ea", "cacert", TRUE},
{"Eb", "cert-type", TRUE},
{"Ec", "key", TRUE},
{"Ed", "key-type", TRUE},
{"Ee", "pass", TRUE},
{"Ef", "engine", TRUE},
{"Eg", "capath ", TRUE},
{"Eh", "pubkey", TRUE},
{"Ei", "hostpubmd5", TRUE},
{"Ej", "crlfile", TRUE},
{"Ek", "tlsuser", TRUE},
{"El", "tlspassword", TRUE},
{"Em", "tlsauthtype", TRUE},
{"En", "ssl-allow-beast", FALSE},
{"Eo", "login-options", TRUE},
{"Ep", "pinnedpubkey", TRUE},
{"Eq", "cert-status", FALSE},
{"Er", "false-start", FALSE},
{"Es", "ssl-no-revoke", FALSE},
{"f", "fail", FALSE},
{"F", "form", TRUE},
{"Fs", "form-string", TRUE},
{"g", "globoff", FALSE},
{"G", "get", FALSE},
{"h", "help", FALSE},
{"H", "header", TRUE},
{"Hp", "proxy-header", TRUE},
{"i", "include", FALSE},
{"I", "head", FALSE},
{"j", "junk-session-cookies", FALSE},
{"J", "remote-header-name", FALSE},
{"k", "insecure", FALSE},
{"K", "config", TRUE},
{"l", "list-only", FALSE},
{"L", "location", FALSE},
{"Lt", "location-trusted", FALSE},
{"m", "max-time", TRUE},
{"M", "manual", FALSE},
{"n", "netrc", FALSE},
{"no", "netrc-optional", FALSE},
{"ne", "netrc-file", TRUE},
{"N", "buffer", FALSE},
/* 'buffer' listed as --no-buffer in the help */
{"o", "output", TRUE},
{"O", "remote-name", FALSE},
{"Oa", "remote-name-all", FALSE},
{"p", "proxytunnel", FALSE},
{"P", "ftpport", TRUE},
/* 'ftpport' old version */
{"P", "ftp-port", TRUE},
{"q", "disable", FALSE},
{"Q", "quote", TRUE},
{"r", "range", TRUE},
{"R", "remote-time", FALSE},
{"s", "silent", FALSE},
{"S", "show-error", FALSE},
{"t", "telnet-options", TRUE},
/* 'telnet-options' documented as telnet-option */
{"T", "upload-file", TRUE},
{"u", "user", TRUE},
{"U", "proxy-user", TRUE},
{"v", "verbose", FALSE},
{"V", "version", FALSE},
{"w", "write-out", TRUE},
{"x", "proxy", TRUE},
{"X", "request", TRUE},
{"X", "http-request", TRUE},
/* 'http-request' OBSOLETE VERSION */
{"Y", "speed-limit", TRUE},
{"y", "speed-time", TRUE},
{"z", "time-cond", TRUE},
{"#", "progress-bar", FALSE},
{":", "next", FALSE},
{"~", "xattr", FALSE},
};
/* Split the argument of -E to 'certname' and 'passphrase' separated by colon.
* We allow ':' and '\' to be escaped by '\' so that we can use certificate
* nicknames containing ':'. See <https://sourceforge.net/p/curl/bugs/1196/>
* for details. */
#ifndef UNITTESTS
static
#endif
void parse_cert_parameter(const char *cert_parameter,
char **certname,
char **passphrase)
{
size_t param_length = strlen(cert_parameter);
size_t span;
const char *param_place = NULL;
char *certname_place = NULL;
*certname = NULL;
*passphrase = NULL;
/* most trivial assumption: cert_parameter is empty */
if(param_length == 0)
return;
/* next less trivial: cert_parameter contains no colon nor backslash; this
* means no passphrase was given and no characters escaped */
if(!strpbrk(cert_parameter, ":\\")) {
*certname = strdup(cert_parameter);
return;
}
/* deal with escaped chars; find unescaped colon if it exists */
certname_place = malloc(param_length + 1);
if(!certname_place)
return;
*certname = certname_place;
param_place = cert_parameter;
while(*param_place) {
span = strcspn(param_place, ":\\");
strncpy(certname_place, param_place, span);
param_place += span;
certname_place += span;
/* we just ate all the non-special chars. now we're on either a special
* char or the end of the string. */
switch(*param_place) {
case '\0':
break;
case '\\':
param_place++;
switch(*param_place) {
case '\0':
*certname_place++ = '\\';
break;
case '\\':
*certname_place++ = '\\';
param_place++;
break;
case ':':
*certname_place++ = ':';
param_place++;
break;
default:
*certname_place++ = '\\';
*certname_place++ = *param_place;
param_place++;
break;
}
break;
case ':':
/* Since we live in a world of weirdness and confusion, the win32
dudes can use : when using drive letters and thus c:\file:password
needs to work. In order not to break compatibility, we still use : as
separator, but we try to detect when it is used for a file name! On
windows. */
#ifdef WIN32
if(param_place &&
(param_place == &cert_parameter[1]) &&
(cert_parameter[2] == '\\' || cert_parameter[2] == '/') &&
(ISALPHA(cert_parameter[0])) ) {
/* colon in the second column, followed by a backslash, and the
first character is an alphabetic letter:
this is a drive letter colon */
*certname_place++ = ':';
param_place++;
break;
}
#endif
/* escaped colons and Windows drive letter colons were handled
* above; if we're still here, this is a separating colon */
param_place++;
if(strlen(param_place) > 0) {
*passphrase = strdup(param_place);
}
goto done;
}
}
done:
*certname_place = '\0';
}
ParameterError getparameter(char *flag, /* f or -long-flag */
char *nextarg, /* NULL if unset */
bool *usedarg, /* set to TRUE if the arg
has been used */
struct GlobalConfig *global,
struct OperationConfig *config)
{
char letter;
char subletter = '\0'; /* subletters can only occur on long options */
int rc;
const char *parse = NULL;
unsigned int j;
time_t now;
int hit = -1;
bool longopt = FALSE;
bool singleopt = FALSE; /* when true means '-o foo' used '-ofoo' */
ParameterError err;
bool toggle = TRUE; /* how to switch boolean options, on or off. Controlled
by using --OPTION or --no-OPTION */
if(('-' != flag[0]) ||
(('-' == flag[0]) && ('-' == flag[1]))) {
/* this should be a long name */
char *word = ('-' == flag[0]) ? flag+2 : flag;
size_t fnam = strlen(word);
int numhits = 0;
if(!strncmp(word, "no-", 3)) {
/* disable this option but ignore the "no-" part when looking for it */
word += 3;
toggle = FALSE;
}
for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
if(curlx_strnequal(aliases[j].lname, word, fnam)) {
longopt = TRUE;
numhits++;
if(curlx_raw_equal(aliases[j].lname, word)) {
parse = aliases[j].letter;
hit = j;
numhits = 1; /* a single unique hit */
break;
}
parse = aliases[j].letter;
hit = j;
}
}
if(numhits > 1) {
/* this is at least the second match! */
return PARAM_OPTION_AMBIGUOUS;
}
if(hit < 0) {
return PARAM_OPTION_UNKNOWN;
}
}
else {
flag++; /* prefixed with one dash, pass it */
hit = -1;
parse = flag;
}
do {
/* we can loop here if we have multiple single-letters */
if(!longopt) {
letter = (char)*parse;
subletter='\0';
}
else {
letter = parse[0];
subletter = parse[1];
}
*usedarg = FALSE; /* default is that we don't use the arg */
if(hit < 0) {
for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
if(letter == aliases[j].letter[0]) {
hit = j;
break;
}
}
if(hit < 0) {
return PARAM_OPTION_UNKNOWN;
}
}
if(aliases[hit].extraparam) {
/* this option requires an extra parameter */
if(!longopt && parse[1]) {
nextarg = (char *)&parse[1]; /* this is the actual extra parameter */
singleopt = TRUE; /* don't loop anymore after this */
}
else if(!nextarg)
return PARAM_REQUIRES_PARAMETER;
else
*usedarg = TRUE; /* mark it as used */
}
switch(letter) {
case '*': /* options without a short option */
switch(subletter) {
case '4': /* --dns-ipv4-addr */
/* addr in dot notation */
GetStr(&config->dns_ipv4_addr, nextarg);
break;
case '6': /* --dns-ipv6-addr */
/* addr in dot notation */
GetStr(&config->dns_ipv6_addr, nextarg);
break;
case 'a': /* random-file */
GetStr(&config->random_file, nextarg);
break;
case 'b': /* egd-file */
GetStr(&config->egd_file, nextarg);
break;
case 'B': /* OAuth 2.0 bearer token */
GetStr(&config->oauth_bearer, nextarg);
break;
case 'c': /* connect-timeout */
err = str2udouble(&config->connecttimeout, nextarg);
if(err)
return err;
break;
case 'd': /* ciphers */
GetStr(&config->cipher_list, nextarg);
break;
case 'D': /* --dns-interface */
/* interface name */
GetStr(&config->dns_interface, nextarg);
break;
case 'e': /* --disable-epsv */
config->disable_epsv = toggle;
break;
case 'E': /* --epsv */
config->disable_epsv = (!toggle)?TRUE:FALSE;
break;
#ifdef USE_ENVIRONMENT
case 'f':
config->writeenv = toggle;
break;
#endif
case 'F': /* --dns-servers */
/* IP addrs of DNS servers */
GetStr(&config->dns_servers, nextarg);
break;
case 'g': /* --trace */
GetStr(&global->trace_dump, nextarg);
if(global->tracetype && (global->tracetype != TRACE_BIN))
warnf(global, "--trace overrides an earlier trace/verbose option\n");
global->tracetype = TRACE_BIN;
break;
case 'G': /* --npn */
config->nonpn = (!toggle)?TRUE:FALSE;
break;
case 'h': /* --trace-ascii */
GetStr(&global->trace_dump, nextarg);
if(global->tracetype && (global->tracetype != TRACE_ASCII))
warnf(global,
"--trace-ascii overrides an earlier trace/verbose option\n");
global->tracetype = TRACE_ASCII;
break;
case 'H': /* --alpn */
config->noalpn = (!toggle)?TRUE:FALSE;
break;
case 'i': /* --limit-rate */
{
/* We support G, M, K too */
char *unit;
curl_off_t value = curlx_strtoofft(nextarg, &unit, 0);
if(!*unit)
unit = (char *)"b";
else if(strlen(unit) > 1)
unit = (char *)"w"; /* unsupported */
switch(*unit) {
case 'G':
case 'g':
value *= 1024*1024*1024;
break;
case 'M':
case 'm':
value *= 1024*1024;
break;
case 'K':
case 'k':
value *= 1024;
break;
case 'b':
case 'B':
/* for plain bytes, leave as-is */
break;
default:
warnf(global, "unsupported rate unit. Use G, M, K or B!\n");
return PARAM_BAD_USE;
}
config->recvpersecond = value;
config->sendpersecond = value;
}
break;
case 'j': /* --compressed */
if(toggle && !(curlinfo->features & CURL_VERSION_LIBZ))
return PARAM_LIBCURL_DOESNT_SUPPORT;
config->encoding = toggle;
break;
case 'J': /* --tr-encoding */
config->tr_encoding = toggle;
break;
case 'k': /* --digest */
if(toggle)
config->authtype |= CURLAUTH_DIGEST;
else
config->authtype &= ~CURLAUTH_DIGEST;
break;
case 'l': /* --negotiate */
if(toggle) {
if(curlinfo->features & CURL_VERSION_SPNEGO)
config->authtype |= CURLAUTH_NEGOTIATE;
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
}
else
config->authtype &= ~CURLAUTH_NEGOTIATE;
break;
case 'm': /* --ntlm */
if(toggle) {
if(curlinfo->features & CURL_VERSION_NTLM)
config->authtype |= CURLAUTH_NTLM;
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
}
else
config->authtype &= ~CURLAUTH_NTLM;
break;
case 'M': /* --ntlm-wb */
if(toggle) {
if(curlinfo->features & CURL_VERSION_NTLM_WB)
config->authtype |= CURLAUTH_NTLM_WB;
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
}
else
config->authtype &= ~CURLAUTH_NTLM_WB;
break;
case 'n': /* --basic for completeness */
if(toggle)
config->authtype |= CURLAUTH_BASIC;
else
config->authtype &= ~CURLAUTH_BASIC;
break;
case 'o': /* --anyauth, let libcurl pick it */
if(toggle)
config->authtype = CURLAUTH_ANY;
/* --no-anyauth simply doesn't touch it */
break;
#ifdef USE_WATT32
case 'p': /* --wdebug */
dbug_init();
break;
#endif
case 'q': /* --ftp-create-dirs */
config->ftp_create_dirs = toggle;
break;
case 'r': /* --create-dirs */
config->create_dirs = toggle;
break;
case 's': /* --max-redirs */
/* specified max no of redirects (http(s)), this accepts -1 as a
special condition */
err = str2num(&config->maxredirs, nextarg);
if(err)
return err;
if(config->maxredirs < -1)
return PARAM_BAD_NUMERIC;
break;
case 't': /* --proxy-ntlm */
if(curlinfo->features & CURL_VERSION_NTLM)
config->proxyntlm = toggle;
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'u': /* --crlf */
/* LF -> CRLF conversion? */
config->crlf = toggle;
break;
case 'v': /* --stderr */
if(strcmp(nextarg, "-")) {
FILE *newfile = fopen(nextarg, FOPEN_WRITETEXT);
if(!newfile)
warnf(global, "Failed to open %s!\n", nextarg);
else {
if(global->errors_fopened)
fclose(global->errors);
global->errors = newfile;
global->errors_fopened = TRUE;
}
}
else
global->errors = stdout;
break;
case 'w': /* --interface */
/* interface */
GetStr(&config->iface, nextarg);
break;
case 'x': /* --krb */
/* kerberos level string */
if(curlinfo->features & CURL_VERSION_KERBEROS4)
GetStr(&config->krblevel, nextarg);
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'y': /* --max-filesize */
err = str2offset(&config->max_filesize, nextarg);
if(err)
return err;
break;
case 'z': /* --disable-eprt */
config->disable_eprt = toggle;
break;
case 'Z': /* --eprt */
config->disable_eprt = (!toggle)?TRUE:FALSE;
break;
default: /* the URL! */
{
struct getout *url;
if(config->url_get || ((config->url_get = config->url_list) != NULL)) {
/* there's a node here, if it already is filled-in continue to find
an "empty" node */
while(config->url_get && (config->url_get->flags & GETOUT_URL))
config->url_get = config->url_get->next;
}
/* now there might or might not be an available node to fill in! */
if(config->url_get)
/* existing node */
url = config->url_get;
else
/* there was no free node, create one! */
url = new_getout(config);
if(!url)
return PARAM_NO_MEM;
else {
/* fill in the URL */
GetStr(&url->url, nextarg);
url->flags |= GETOUT_URL;
}
}
}
break;
case '$': /* more options without a short option */
switch(subletter) {
case 'a': /* --ftp-ssl */
if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
return PARAM_LIBCURL_DOESNT_SUPPORT;
config->ftp_ssl = toggle;
break;
case 'b': /* --ftp-pasv */
Curl_safefree(config->ftpport);
break;
case 'c': /* --socks5 specifies a socks5 proxy to use, and resolves
the name locally and passes on the resolved address */
GetStr(&config->socksproxy, nextarg);
config->socksver = CURLPROXY_SOCKS5;
break;
case 't': /* --socks4 specifies a socks4 proxy to use */
GetStr(&config->socksproxy, nextarg);
config->socksver = CURLPROXY_SOCKS4;
break;
case 'T': /* --socks4a specifies a socks4a proxy to use */
GetStr(&config->socksproxy, nextarg);
config->socksver = CURLPROXY_SOCKS4A;
break;
case '2': /* --socks5-hostname specifies a socks5 proxy and enables name
resolving with the proxy */
GetStr(&config->socksproxy, nextarg);
config->socksver = CURLPROXY_SOCKS5_HOSTNAME;
break;
case 'd': /* --tcp-nodelay option */
config->tcp_nodelay = toggle;
break;
case 'e': /* --proxy-digest */
config->proxydigest = toggle;
break;
case 'f': /* --proxy-basic */
config->proxybasic = toggle;
break;
case 'g': /* --retry */
err = str2unum(&config->req_retry, nextarg);
if(err)
return err;
break;
case 'h': /* --retry-delay */
err = str2unum(&config->retry_delay, nextarg);
if(err)
return err;
break;
case 'i': /* --retry-max-time */
err = str2unum(&config->retry_maxtime, nextarg);
if(err)
return err;
break;
case 'k': /* --proxy-negotiate */
if(curlinfo->features & CURL_VERSION_SPNEGO)
config->proxynegotiate = toggle;
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'm': /* --ftp-account */
GetStr(&config->ftp_account, nextarg);
break;
case 'n': /* --proxy-anyauth */
config->proxyanyauth = toggle;
break;
case 'o': /* --trace-time */
global->tracetime = toggle;
break;
case 'p': /* --ignore-content-length */
config->ignorecl = toggle;
break;
case 'q': /* --ftp-skip-pasv-ip */
config->ftp_skip_ip = toggle;
break;
case 'r': /* --ftp-method (undocumented at this point) */
config->ftp_filemethod = ftpfilemethod(config, nextarg);
break;
case 's': /* --local-port */
rc = sscanf(nextarg, "%d - %d",
&config->localport,
&config->localportrange);
if(!rc)
return PARAM_BAD_USE;
else if(rc == 1)
config->localportrange = 1; /* default number of ports to try */
else {
config->localportrange -= config->localport;
if(config->localportrange < 1) {
warnf(global, "bad range input\n");
return PARAM_BAD_USE;
}
}
break;
case 'u': /* --ftp-alternative-to-user */
GetStr(&config->ftp_alternative_to_user, nextarg);
break;
case 'v': /* --ftp-ssl-reqd */
if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
return PARAM_LIBCURL_DOESNT_SUPPORT;
config->ftp_ssl_reqd = toggle;
break;
case 'w': /* --no-sessionid */
config->disable_sessionid = (!toggle)?TRUE:FALSE;
break;
case 'x': /* --ftp-ssl-control */
if(toggle && !(curlinfo->features & CURL_VERSION_SSL))
return PARAM_LIBCURL_DOESNT_SUPPORT;
config->ftp_ssl_control = toggle;
break;
case 'y': /* --ftp-ssl-ccc */
config->ftp_ssl_ccc = toggle;
if(!config->ftp_ssl_ccc_mode)
config->ftp_ssl_ccc_mode = CURLFTPSSL_CCC_PASSIVE;
break;
case 'j': /* --ftp-ssl-ccc-mode */
config->ftp_ssl_ccc = TRUE;
config->ftp_ssl_ccc_mode = ftpcccmethod(config, nextarg);
break;
case 'z': /* --libcurl */
#ifdef CURL_DISABLE_LIBCURL_OPTION
warnf(global,
"--libcurl option was disabled at build-time!\n");
return PARAM_OPTION_UNKNOWN;
#else
GetStr(&global->libcurl, nextarg);
break;
#endif
case '#': /* --raw */
config->raw = toggle;
break;
case '0': /* --post301 */
config->post301 = toggle;
break;
case '1': /* --no-keepalive */
config->nokeepalive = (!toggle)?TRUE:FALSE;
break;
case '3': /* --keepalive-time */
err = str2unum(&config->alivetime, nextarg);
if(err)
return err;
break;
case '4': /* --post302 */
config->post302 = toggle;
break;
case 'I': /* --post303 */
config->post303 = toggle;
break;
case '5': /* --noproxy */
/* This specifies the noproxy list */
GetStr(&config->noproxy, nextarg);
break;
case '7': /* --socks5-gssapi-nec*/
config->socks5_gssapi_nec = toggle;
break;
case '8': /* --proxy1.0 */
/* http 1.0 proxy */
GetStr(&config->proxy, nextarg);
config->proxyver = CURLPROXY_HTTP_1_0;
break;
case '9': /* --tftp-blksize */
err = str2unum(&config->tftp_blksize, nextarg);
if(err)
return err;
break;
case 'A': /* --mail-from */
GetStr(&config->mail_from, nextarg);
break;
case 'B': /* --mail-rcpt */
/* append receiver to a list */
err = add2list(&config->mail_rcpt, nextarg);
if(err)
return err;
break;
case 'C': /* --ftp-pret */
config->ftp_pret = toggle;
break;
case 'D': /* --proto */
config->proto_present = TRUE;
if(proto2num(config, &config->proto, nextarg))
return PARAM_BAD_USE;
break;
case 'E': /* --proto-redir */
config->proto_redir_present = TRUE;
if(proto2num(config, &config->proto_redir, nextarg))
return PARAM_BAD_USE;
break;
case 'F': /* --resolve */
err = add2list(&config->resolve, nextarg);
if(err)
return err;
break;
case 'G': /* --delegation LEVEL */
config->gssapi_delegation = delegation(config, nextarg);
break;
case 'H': /* --mail-auth */
GetStr(&config->mail_auth, nextarg);
break;
case 'J': /* --metalink */
{
#ifdef USE_METALINK
int mlmaj, mlmin, mlpatch;
metalink_get_version(&mlmaj, &mlmin, &mlpatch);
if((mlmaj*10000)+(mlmin*100)+mlpatch < CURL_REQ_LIBMETALINK_VERS) {
warnf(global,
"--metalink option cannot be used because the version of "
"the linked libmetalink library is too old. "
"Required: %d.%d.%d, found %d.%d.%d\n",
CURL_REQ_LIBMETALINK_MAJOR,
CURL_REQ_LIBMETALINK_MINOR,
CURL_REQ_LIBMETALINK_PATCH,
mlmaj, mlmin, mlpatch);
return PARAM_BAD_USE;
}
else
config->use_metalink = toggle;
#else
warnf(global, "--metalink option is ignored because the binary is "
"built without the Metalink support.\n");
#endif
break;
}
case 'K': /* --sasl-ir */
config->sasl_ir = toggle;
break;
case 'L': /* --test-event */
#ifdef CURLDEBUG
config->test_event_based = toggle;
#else
warnf(global, "--test-event is ignored unless a debug build!\n");
#endif
break;
case 'M': /* --unix-socket */
GetStr(&config->unix_socket_path, nextarg);
break;
case 'N': /* --path-as-is */
config->path_as_is = toggle;
break;
case 'O': /* --proxy-service-name */
GetStr(&config->proxy_service_name, nextarg);
break;
case 'P': /* --service-name */
GetStr(&config->service_name, nextarg);
break;
case 'Q': /* --proto-default */
GetStr(&config->proto_default, nextarg);
err = check_protocol(config->proto_default);
if(err)
return err;
break;
case 'R': /* --expect100-timeout */
err = str2udouble(&config->expect100timeout, nextarg);
if(err)
return err;
break;
case 'S': /* --tftp-no-options */
config->tftp_no_options = toggle;
break;
case 'U': /* --connect-to */
err = add2list(&config->connect_to, nextarg);
if(err)
return err;
break;
}
break;
case '#': /* --progress-bar */
if(toggle)
global->progressmode = CURL_PROGRESS_BAR;
else
global->progressmode = CURL_PROGRESS_STATS;
break;
case ':': /* --next */
return PARAM_NEXT_OPERATION;
case '~': /* --xattr */
config->xattr = toggle;
break;
case '0': /* --http* options */
switch(subletter) {
case '\0':
/* HTTP version 1.0 */
config->httpversion = CURL_HTTP_VERSION_1_0;
break;
case '1':
/* HTTP version 1.1 */
config->httpversion = CURL_HTTP_VERSION_1_1;
break;
case '2':
/* HTTP version 2.0 */
config->httpversion = CURL_HTTP_VERSION_2_0;
break;
case '3':
/* HTTP version 2.0 over clean TCP*/
config->httpversion = CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE;
break;
}
break;
case '1': /* --tlsv1* options */
switch(subletter) {
case '\0':
/* TLS version 1.x */
config->ssl_version = CURL_SSLVERSION_TLSv1;
break;
case '0':
/* TLS version 1.0 */
config->ssl_version = CURL_SSLVERSION_TLSv1_0;
break;
case '1':
/* TLS version 1.1 */
config->ssl_version = CURL_SSLVERSION_TLSv1_1;
break;
case '2':
/* TLS version 1.2 */
config->ssl_version = CURL_SSLVERSION_TLSv1_2;
break;
}
break;
case '2':
/* SSL version 2 */
config->ssl_version = CURL_SSLVERSION_SSLv2;
break;
case '3':
/* SSL version 3 */
config->ssl_version = CURL_SSLVERSION_SSLv3;
break;
case '4':
/* IPv4 */
config->ip_version = 4;
break;
case '6':
/* IPv6 */
config->ip_version = 6;
break;
case 'a':
/* This makes the FTP sessions use APPE instead of STOR */
config->ftp_append = toggle;
break;
case 'A':
/* This specifies the User-Agent name */
GetStr(&config->useragent, nextarg);
break;
case 'b': /* cookie string coming up: */
if(nextarg[0] == '@') {
nextarg++;
}
else if(strchr(nextarg, '=')) {
/* A cookie string must have a =-letter */
GetStr(&config->cookie, nextarg);
break;
}
/* We have a cookie file to read from! */
GetStr(&config->cookiefile, nextarg);
break;
case 'B':
/* use ASCII/text when transferring */
config->use_ascii = toggle;
break;
case 'c':
/* get the file name to dump all cookies in */
GetStr(&config->cookiejar, nextarg);
break;
case 'C':
/* This makes us continue an ftp transfer at given position */
if(!curlx_strequal(nextarg, "-")) {
err = str2offset(&config->resume_from, nextarg);
if(err)
return err;
config->resume_from_current = FALSE;
}
else {
config->resume_from_current = TRUE;
config->resume_from = 0;
}
config->use_resume=TRUE;
break;
case 'd':
/* postfield data */
{
char *postdata = NULL;
FILE *file;
size_t size = 0;
bool raw_mode = (subletter == 'r');
if(subletter == 'e') { /* --data-urlencode*/
/* [name]=[content], we encode the content part only
* [name]@[file name]
*
* Case 2: we first load the file using that name and then encode
* the content.
*/
const char *p = strchr(nextarg, '=');
size_t nlen;
char is_file;
if(!p)
/* there was no '=' letter, check for a '@' instead */
p = strchr(nextarg, '@');
if(p) {
nlen = p - nextarg; /* length of the name part */
is_file = *p++; /* pass the separator */
}
else {
/* neither @ nor =, so no name and it isn't a file */
nlen = is_file = 0;
p = nextarg;
}
if('@' == is_file) {
/* a '@' letter, it means that a file name or - (stdin) follows */
if(curlx_strequal("-", p)) {
file = stdin;
set_binmode(stdin);
}
else {
file = fopen(p, "rb");
if(!file)
warnf(global,
"Couldn't read data from file \"%s\", this makes "
"an empty POST.\n", nextarg);
}
err = file2memory(&postdata, &size, file);
if(file && (file != stdin))
fclose(file);
if(err)
return err;
}
else {
GetStr(&postdata, p);
if(postdata)
size = strlen(postdata);
}
if(!postdata) {
/* no data from the file, point to a zero byte string to make this
get sent as a POST anyway */
postdata = strdup("");
if(!postdata)
return PARAM_NO_MEM;
size = 0;
}
else {
char *enc = curl_easy_escape(config->easy, postdata, (int)size);
Curl_safefree(postdata); /* no matter if it worked or not */
if(enc) {
/* now make a string with the name from above and append the
encoded string */
size_t outlen = nlen + strlen(enc) + 2;
char *n = malloc(outlen);
if(!n) {
curl_free(enc);
return PARAM_NO_MEM;
}
if(nlen > 0) { /* only append '=' if we have a name */
snprintf(n, outlen, "%.*s=%s", nlen, nextarg, enc);
size = outlen-1;
}
else {
strcpy(n, enc);
size = outlen-2; /* since no '=' was inserted */
}
curl_free(enc);
postdata = n;
}
else
return PARAM_NO_MEM;
}
}
else if('@' == *nextarg && !raw_mode) {
/* the data begins with a '@' letter, it means that a file name
or - (stdin) follows */
nextarg++; /* pass the @ */
if(curlx_strequal("-", nextarg)) {
file = stdin;
if(subletter == 'b') /* forced data-binary */
set_binmode(stdin);
}
else {
file = fopen(nextarg, "rb");
if(!file)
warnf(global, "Couldn't read data from file \"%s\", this makes "
"an empty POST.\n", nextarg);
}
if(subletter == 'b')
/* forced binary */
err = file2memory(&postdata, &size, file);
else {
err = file2string(&postdata, file);
if(postdata)
size = strlen(postdata);
}
if(file && (file != stdin))
fclose(file);
if(err)
return err;
if(!postdata) {
/* no data from the file, point to a zero byte string to make this
get sent as a POST anyway */
postdata = strdup("");
if(!postdata)
return PARAM_NO_MEM;
}
}
else {
GetStr(&postdata, nextarg);
if(postdata)
size = strlen(postdata);
}
#ifdef CURL_DOES_CONVERSIONS
if(subletter != 'b') {
/* NOT forced binary, convert to ASCII */
if(convert_to_network(postdata, strlen(postdata))) {
Curl_safefree(postdata);
return PARAM_NO_MEM;
}
}
#endif
if(config->postfields) {
/* we already have a string, we append this one with a separating
&-letter */
char *oldpost = config->postfields;
curl_off_t oldlen = config->postfieldsize;
curl_off_t newlen = oldlen + curlx_uztoso(size) + 2;
config->postfields = malloc((size_t)newlen);
if(!config->postfields) {
Curl_safefree(oldpost);
Curl_safefree(postdata);
return PARAM_NO_MEM;
}
memcpy(config->postfields, oldpost, (size_t)oldlen);
/* use byte value 0x26 for '&' to accommodate non-ASCII platforms */
config->postfields[oldlen] = '\x26';
memcpy(&config->postfields[oldlen+1], postdata, size);
config->postfields[oldlen+1+size] = '\0';
Curl_safefree(oldpost);
Curl_safefree(postdata);
config->postfieldsize += size+1;
}
else {
config->postfields = postdata;
config->postfieldsize = curlx_uztoso(size);
}
}
/*
We can't set the request type here, as this data might be used in
a simple GET if -G is used. Already or soon.
if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq)) {
Curl_safefree(postdata);
return PARAM_BAD_USE;
}
*/
break;
case 'D':
/* dump-header to given file name */
GetStr(&config->headerfile, nextarg);
break;
case 'e':
{
char *ptr = strstr(nextarg, ";auto");
if(ptr) {
/* Automatic referer requested, this may be combined with a
set initial one */
config->autoreferer = TRUE;
*ptr = 0; /* zero terminate here */
}
else
config->autoreferer = FALSE;
GetStr(&config->referer, nextarg);
}
break;
case 'E':
switch(subletter) {
case 'a': /* CA info PEM file */
/* CA info PEM file */
GetStr(&config->cacert, nextarg);
break;
case 'b': /* cert file type */
GetStr(&config->cert_type, nextarg);
break;
case 'c': /* private key file */
GetStr(&config->key, nextarg);
break;
case 'd': /* private key file type */
GetStr(&config->key_type, nextarg);
break;
case 'e': /* private key passphrase */
GetStr(&config->key_passwd, nextarg);
cleanarg(nextarg);
break;
case 'f': /* crypto engine */
GetStr(&config->engine, nextarg);
if(config->engine && curlx_raw_equal(config->engine, "list"))
return PARAM_ENGINES_REQUESTED;
break;
case 'g': /* CA info PEM file */
/* CA cert directory */
GetStr(&config->capath, nextarg);
break;
case 'h': /* --pubkey public key file */
GetStr(&config->pubkey, nextarg);
break;
case 'i': /* --hostpubmd5 md5 of the host public key */
GetStr(&config->hostpubmd5, nextarg);
if(!config->hostpubmd5 || strlen(config->hostpubmd5) != 32)
return PARAM_BAD_USE;
break;
case 'j': /* CRL info PEM file */
/* CRL file */
GetStr(&config->crlfile, nextarg);
break;
case 'k': /* TLS username */
if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
GetStr(&config->tls_username, nextarg);
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'l': /* TLS password */
if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP)
GetStr(&config->tls_password, nextarg);
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'm': /* TLS authentication type */
if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) {
GetStr(&config->tls_authtype, nextarg);
if(!strequal(config->tls_authtype, "SRP"))
return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */
}
else
return PARAM_LIBCURL_DOESNT_SUPPORT;
break;
case 'n': /* no empty SSL fragments, --ssl-allow-beast */
if(curlinfo->features & CURL_VERSION_SSL)
config->ssl_allow_beast = toggle;
break;
case 'o': /* --login-options */
GetStr(&config->login_options, nextarg);
break;
case 'p': /* Pinned public key DER file */
/* Pinned public key DER file */
GetStr(&config->pinnedpubkey, nextarg);
break;
case 'q': /* --cert-status */
config->verifystatus = TRUE;
break;
case 'r': /* --false-start */
config->falsestart = TRUE;
break;
case 's': /* --ssl-no-revoke */
if(curlinfo->features & CURL_VERSION_SSL)
config->ssl_no_revoke = TRUE;
break;
default: /* certificate file */
{
char *certname, *passphrase;
parse_cert_parameter(nextarg, &certname, &passphrase);
Curl_safefree(config->cert);
config->cert = certname;
if(passphrase) {
Curl_safefree(config->key_passwd);
config->key_passwd = passphrase;
}
cleanarg(nextarg);
}
}
break;
case 'f':
/* fail hard on errors */
config->failonerror = toggle;
break;
case 'F':
/* "form data" simulation, this is a little advanced so lets do our best
to sort this out slowly and carefully */
if(formparse(config,
nextarg,
&config->httppost,
&config->last_post,
(subletter=='s')?TRUE:FALSE)) /* 's' means literal string */
return PARAM_BAD_USE;
if(SetHTTPrequest(config, HTTPREQ_FORMPOST, &config->httpreq))
return PARAM_BAD_USE;
break;
case 'g': /* g disables URLglobbing */
config->globoff = toggle;
break;
case 'G': /* HTTP GET */
config->use_httpget = TRUE;
break;
case 'h': /* h for help */
if(toggle) {
return PARAM_HELP_REQUESTED;
}
/* we now actually support --no-help too! */
break;
case 'H':
/* A custom header to append to a list */
if(subletter == 'p') /* --proxy-header */
err = add2list(&config->proxyheaders, nextarg);
else
err = add2list(&config->headers, nextarg);
if(err)
return err;
break;
case 'i':
config->include_headers = toggle; /* include the headers as well in the
general output stream */
break;
case 'j':
config->cookiesession = toggle;
break;
case 'I':
/*
* no_body will imply include_headers later on
*/
config->no_body = toggle;
if(SetHTTPrequest(config,
(config->no_body)?HTTPREQ_HEAD:HTTPREQ_GET,
&config->httpreq))
return PARAM_BAD_USE;
break;
case 'J': /* --remote-header-name */
if(config->include_headers) {
warnf(global,
"--include and --remote-header-name cannot be combined.\n");
return PARAM_BAD_USE;
}
config->content_disposition = toggle;
break;
case 'k': /* allow insecure SSL connects */
config->insecure_ok = toggle;
break;
case 'K': /* parse config file */
if(parseconfig(nextarg, global))
warnf(global, "error trying read config from the '%s' file\n",
nextarg);
break;
case 'l':
config->dirlistonly = toggle; /* only list the names of the FTP dir */
break;
case 'L':
config->followlocation = toggle; /* Follow Location: HTTP headers */
switch (subletter) {
case 't':
/* Continue to send authentication (user+password) when following
* locations, even when hostname changed */
config->unrestricted_auth = toggle;
break;
}
break;
case 'm':
/* specified max time */
err = str2udouble(&config->timeout, nextarg);
if(err)
return err;
break;
case 'M': /* M for manual, huge help */
if(toggle) { /* --no-manual shows no manual... */
#ifdef USE_MANUAL
return PARAM_MANUAL_REQUESTED;
#else
warnf(global,
"built-in manual was disabled at build-time!\n");
return PARAM_OPTION_UNKNOWN;
#endif
}
break;
case 'n':
switch(subletter) {
case 'o': /* CA info PEM file */
/* use .netrc or URL */
config->netrc_opt = toggle;
break;
case 'e': /* netrc-file */
GetStr(&config->netrc_file, nextarg);
break;
default:
/* pick info from .netrc, if this is used for http, curl will
automatically enfore user+password with the request */
config->netrc = toggle;
break;
}
break;
case 'N':
/* disable the output I/O buffering. note that the option is called
--buffer but is mostly used in the negative form: --no-buffer */
if(longopt)
config->nobuffer = (!toggle)?TRUE:FALSE;
else
config->nobuffer = toggle;
break;
case 'O': /* --remote-name */
if(subletter == 'a') { /* --remote-name-all */
config->default_node_flags = toggle?GETOUT_USEREMOTE:0;
break;
}
/* fall-through! */
case 'o': /* --output */
/* output file */
{
struct getout *url;
if(config->url_out || ((config->url_out = config->url_list) != NULL)) {
/* there's a node here, if it already is filled-in continue to find
an "empty" node */
while(config->url_out && (config->url_out->flags & GETOUT_OUTFILE))
config->url_out = config->url_out->next;
}
/* now there might or might not be an available node to fill in! */
if(config->url_out)
/* existing node */
url = config->url_out;
else
/* there was no free node, create one! */
url = new_getout(config);
if(!url)
return PARAM_NO_MEM;
else {
/* fill in the outfile */
if('o' == letter) {
GetStr(&url->outfile, nextarg);
url->flags &= ~GETOUT_USEREMOTE; /* switch off */
}
else {
url->outfile = NULL; /* leave it */
if(toggle)
url->flags |= GETOUT_USEREMOTE; /* switch on */
else
url->flags &= ~GETOUT_USEREMOTE; /* switch off */
}
url->flags |= GETOUT_OUTFILE;
}
}
break;
case 'P':
/* This makes the FTP sessions use PORT instead of PASV */
/* use <eth0> or <192.168.10.10> style addresses. Anything except
this will make us try to get the "default" address.
NOTE: this is a changed behaviour since the released 4.1!
*/
GetStr(&config->ftpport, nextarg);
break;
case 'p':
/* proxy tunnel for non-http protocols */
config->proxytunnel = toggle;
break;
case 'q': /* if used first, already taken care of, we do it like
this so we don't cause an error! */
break;
case 'Q':
/* QUOTE command to send to FTP server */
switch(nextarg[0]) {
case '-':
/* prefixed with a dash makes it a POST TRANSFER one */
nextarg++;
err = add2list(&config->postquote, nextarg);
break;
case '+':
/* prefixed with a plus makes it a just-before-transfer one */
nextarg++;
err = add2list(&config->prequote, nextarg);
break;
default:
err = add2list(&config->quote, nextarg);
break;
}
if(err)
return err;
break;
case 'r':
/* Specifying a range WITHOUT A DASH will create an illegal HTTP range
(and won't actually be range by definition). The man page previously
claimed that to be a good way, why this code is added to work-around
it. */
if(ISDIGIT(*nextarg) && !strchr(nextarg, '-')) {
char buffer[32];
curl_off_t off;
warnf(global,
"A specified range MUST include at least one dash (-). "
"Appending one for you!\n");
off = curlx_strtoofft(nextarg, NULL, 10);
snprintf(buffer, sizeof(buffer), "%" CURL_FORMAT_CURL_OFF_T "-", off);
Curl_safefree(config->range);
config->range = strdup(buffer);
if(!config->range)
return PARAM_NO_MEM;
}
{
/* byte range requested */
char *tmp_range;
tmp_range = nextarg;
while(*tmp_range != '\0') {
if(!ISDIGIT(*tmp_range) && *tmp_range != '-' && *tmp_range != ',') {
warnf(global, "Invalid character is found in given range. "
"A specified range MUST have only digits in "
"\'start\'-\'stop\'. The server's response to this "
"request is uncertain.\n");
break;
}
tmp_range++;
}
/* byte range requested */
GetStr(&config->range, nextarg);
}
break;
case 'R':
/* use remote file's time */
config->remote_time = toggle;
break;
case 's':
/* don't show progress meter, don't show errors : */
if(toggle)
global->mute = global->noprogress = TRUE;
else
global->mute = global->noprogress = FALSE;
if(global->showerror < 0)
/* if still on the default value, set showerror to the reverse of
toggle. This is to allow -S and -s to be used in an independent
order but still have the same effect. */
global->showerror = (!toggle)?TRUE:FALSE; /* toggle off */
break;
case 'S':
/* show errors */
global->showerror = toggle?1:0; /* toggle on if used with -s */
break;
case 't':
/* Telnet options */
err = add2list(&config->telnet_options, nextarg);
if(err)
return err;
break;
case 'T':
/* we are uploading */
{
struct getout *url;
if(config->url_out || ((config->url_out = config->url_list) != NULL)) {
/* there's a node here, if it already is filled-in continue to find
an "empty" node */
while(config->url_out && (config->url_out->flags & GETOUT_UPLOAD))
config->url_out = config->url_out->next;
}
/* now there might or might not be an available node to fill in! */
if(config->url_out)
/* existing node */
url = config->url_out;
else
/* there was no free node, create one! */
url = new_getout(config);
if(!url)
return PARAM_NO_MEM;
else {
url->flags |= GETOUT_UPLOAD; /* mark -T used */
if(!*nextarg)
url->flags |= GETOUT_NOUPLOAD;
else {
/* "-" equals stdin, but keep the string around for now */
GetStr(&url->infile, nextarg);
}
}
}
break;
case 'u':
/* user:password */
GetStr(&config->userpwd, nextarg);
cleanarg(nextarg);
break;
case 'U':
/* Proxy user:password */
GetStr(&config->proxyuserpwd, nextarg);
cleanarg(nextarg);
break;
case 'v':
if(toggle) {
/* the '%' thing here will cause the trace get sent to stderr */
Curl_safefree(global->trace_dump);
global->trace_dump = strdup("%");
if(!global->trace_dump)
return PARAM_NO_MEM;
if(global->tracetype && (global->tracetype != TRACE_PLAIN))
warnf(global,
"-v, --verbose overrides an earlier trace/verbose option\n");
global->tracetype = TRACE_PLAIN;
}
else
/* verbose is disabled here */
global->tracetype = TRACE_NONE;
break;
case 'V':
if(toggle) /* --no-version yields no output! */
return PARAM_VERSION_INFO_REQUESTED;
break;
case 'w':
/* get the output string */
if('@' == *nextarg) {
/* the data begins with a '@' letter, it means that a file name
or - (stdin) follows */
FILE *file;
const char *fname;
nextarg++; /* pass the @ */
if(curlx_strequal("-", nextarg)) {
fname = "<stdin>";
file = stdin;
}
else {
fname = nextarg;
file = fopen(nextarg, FOPEN_READTEXT);
}
err = file2string(&config->writeout, file);
if(file && (file != stdin))
fclose(file);
if(err)
return err;
if(!config->writeout)
warnf(global, "Failed to read %s", fname);
}
else
GetStr(&config->writeout, nextarg);
break;
case 'x':
/* proxy */
GetStr(&config->proxy, nextarg);
config->proxyver = CURLPROXY_HTTP;
break;
case 'X':
/* set custom request */
GetStr(&config->customrequest, nextarg);
break;
case 'y':
/* low speed time */
err = str2unum(&config->low_speed_time, nextarg);
if(err)
return err;
if(!config->low_speed_limit)
config->low_speed_limit = 1;
break;
case 'Y':
/* low speed limit */
err = str2unum(&config->low_speed_limit, nextarg);
if(err)
return err;
if(!config->low_speed_time)
config->low_speed_time = 30;
break;
case 'z': /* time condition coming up */
switch(*nextarg) {
case '+':
nextarg++;
/* FALLTHROUGH */
default:
/* If-Modified-Since: (section 14.28 in RFC2068) */
config->timecond = CURL_TIMECOND_IFMODSINCE;
break;
case '-':
/* If-Unmodified-Since: (section 14.24 in RFC2068) */
config->timecond = CURL_TIMECOND_IFUNMODSINCE;
nextarg++;
break;
case '=':
/* Last-Modified: (section 14.29 in RFC2068) */
config->timecond = CURL_TIMECOND_LASTMOD;
nextarg++;
break;
}
now = time(NULL);
config->condtime=curl_getdate(nextarg, &now);
if(-1 == (int)config->condtime) {
/* now let's see if it is a file name to get the time from instead! */
struct_stat statbuf;
if(-1 == stat(nextarg, &statbuf)) {
/* failed, remove time condition */
config->timecond = CURL_TIMECOND_NONE;
warnf(global,
"Illegal date format for -z, --timecond (and not "
"a file name). Disabling time condition. "
"See curl_getdate(3) for valid date syntax.\n");
}
else {
/* pull the time out from the file */
config->condtime = statbuf.st_mtime;
}
}
break;
default: /* unknown flag */
return PARAM_OPTION_UNKNOWN;
}
hit = -1;
} while(!longopt && !singleopt && *++parse && !*usedarg);
return PARAM_OK;
}
ParameterError parse_args(struct GlobalConfig *config, int argc,
argv_item_t argv[])
{
int i;
bool stillflags;
char *orig_opt = NULL;
ParameterError result = PARAM_OK;
struct OperationConfig *operation = config->first;
for(i = 1, stillflags = TRUE; i < argc && !result; i++) {
orig_opt = argv[i];
if(stillflags && ('-' == argv[i][0])) {
char *nextarg;
bool passarg;
char *flag = argv[i];
if(curlx_strequal("--", argv[i]))
/* This indicates the end of the flags and thus enables the
following (URL) argument to start with -. */
stillflags = FALSE;
else {
nextarg = (i < (argc - 1)) ? argv[i + 1] : NULL;
result = getparameter(flag, nextarg, &passarg, config, operation);
if(result == PARAM_NEXT_OPERATION) {
/* Reset result as PARAM_NEXT_OPERATION is only used here and not
returned from this function */
result = PARAM_OK;
if(operation->url_list && operation->url_list->url) {
/* Allocate the next config */
operation->next = malloc(sizeof(struct OperationConfig));
if(operation->next) {
/* Initialise the newly created config */
config_init(operation->next);
/* Copy the easy handle */
operation->next->easy = config->easy;
/* Set the global config pointer */
operation->next->global = config;
/* Update the last operation pointer */
config->last = operation->next;
/* Move onto the new config */
operation->next->prev = operation;
operation = operation->next;
}
else
result = PARAM_NO_MEM;
}
}
else if(!result && passarg)
i++; /* we're supposed to skip this */
}
}
else {
bool used;
/* Just add the URL please */
result = getparameter((char *)"--url", argv[i], &used, config,
operation);
}
}
if(result && result != PARAM_HELP_REQUESTED &&
result != PARAM_MANUAL_REQUESTED &&
result != PARAM_VERSION_INFO_REQUESTED &&
result != PARAM_ENGINES_REQUESTED) {
const char *reason = param2text(result);
if(orig_opt && !curlx_strequal(":", orig_opt))
helpf(config->errors, "option %s: %s\n", orig_opt, reason);
else
helpf(config->errors, "%s\n", reason);
}
return result;
}
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