/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2016, Daniel Stenberg, , 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 "strcase.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[]= { /* 'letter' strings with more than one character 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 */ {"*~", "xattr", FALSE}, {"$a", "ftp-ssl", FALSE}, /* 'ftp-ssl' deprecated name since 7.20.0 */ {"$a", "ssl", FALSE}, /* 'ssl' new option name in 7.20.0, previously this was ftp-ssl */ {"$b", "ftp-pasv", FALSE}, {"$c", "socks5", TRUE}, {"$d", "tcp-nodelay", FALSE}, {"$e", "proxy-digest", FALSE}, {"$f", "proxy-basic", FALSE}, {"$g", "retry", TRUE}, {"$V", "retry-connrefused", FALSE}, {"$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}, {"$W", "abstract-unix-socket", TRUE}, {"$X", "tls-max", 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}, {"13", "tlsv1.3", 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}, {"Et", "tcp-fastopen", FALSE}, {"Eu", "proxy-tlsuser", TRUE}, {"Ev", "proxy-tlspassword", TRUE}, {"Ew", "proxy-tlsauthtype", TRUE}, {"Ex", "proxy-cert", TRUE}, {"Ey", "proxy-cert-type", TRUE}, {"Ez", "proxy-key", TRUE}, {"E0", "proxy-key-type", TRUE}, {"E1", "proxy-pass", TRUE}, {"E2", "proxy-ciphers", TRUE}, {"E3", "proxy-crlfile", TRUE}, {"E4", "proxy-ssl-allow-beast", FALSE}, {"E5", "login-options", TRUE}, {"E6", "proxy-cacert", TRUE}, {"E7", "proxy-capath", TRUE}, {"E8", "proxy-insecure", FALSE}, {"E9", "proxy-tlsv1", FALSE}, {"f", "fail", FALSE}, {"fa", "fail-early", 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", "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-option", TRUE}, {"T", "upload-file", TRUE}, {"u", "user", TRUE}, {"U", "proxy-user", TRUE}, {"v", "verbose", FALSE}, {"V", "version", FALSE}, {"w", "write-out", TRUE}, {"x", "proxy", TRUE}, {"xa", "preproxy", TRUE}, {"X", "request", TRUE}, {"Y", "speed-limit", TRUE}, {"y", "speed-time", TRUE}, {"z", "time-cond", TRUE}, {"#", "progress-bar", FALSE}, {":", "next", 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 * 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 starts 'pkcs11:' and thus * looks like a RFC7512 PKCS#11 URI which can be used as-is. * Also if cert_parameter contains no colon nor backslash, this * means no passphrase was given and no characters escaped */ if(!strncmp(cert_parameter, "pkcs11:", 7) || !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'; } static void GetFileAndPassword(char *nextarg, char **file, char **password) { char *certname, *passphrase; parse_cert_parameter(nextarg, &certname, &passphrase); Curl_safefree(*file); *file = certname; if(passphrase) { Curl_safefree(*password); *password = passphrase; } cleanarg(nextarg); } 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(curl_strnequal(aliases[j].lname, word, fnam)) { longopt = TRUE; numhits++; if(curl_strequal(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; case '~': /* --xattr */ config->xattr = toggle; break; case '@': /* the URL! */ { struct getout *url; if(!config->url_get) config->url_get = config->url_list; if(config->url_get) { /* 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': /* --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->proxy, nextarg); config->proxyver = CURLPROXY_SOCKS5; break; case 't': /* --socks4 specifies a socks4 proxy to use */ GetStr(&config->proxy, nextarg); config->proxyver = CURLPROXY_SOCKS4; break; case 'T': /* --socks4a specifies a socks4a proxy to use */ GetStr(&config->proxy, nextarg); config->proxyver = CURLPROXY_SOCKS4A; break; case '2': /* --socks5-hostname specifies a socks5 proxy and enables name resolving with the proxy */ GetStr(&config->proxy, nextarg); config->proxyver = 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 'V': /* --retry-connrefused */ config->retry_connrefused = toggle; 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': /* --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 */ config->abstract_unix_socket = FALSE; 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; case 'W': /* --abstract-unix-socket */ config->abstract_unix_socket = TRUE; GetStr(&config->unix_socket_path, nextarg); break; case 'X': /* --tls-max */ err = str2tls_max(&config->ssl_version_max, 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 '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; case '3': /* TLS version 1.3 */ config->ssl_version = CURL_SSLVERSION_TLSv1_3; 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(strcmp(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(!strcmp("-", 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(!strcmp("-", 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 '\0': /* certificate file */ GetFileAndPassword(nextarg, &config->cert, &config->key_passwd); break; 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 && curl_strequal(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(!curl_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; case 't': /* --tcp-fastopen */ config->tcp_fastopen = TRUE; break; case 'u': /* TLS username for proxy */ if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) GetStr(&config->proxy_tls_username, nextarg); else return PARAM_LIBCURL_DOESNT_SUPPORT; break; case 'v': /* TLS password for proxy */ if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) GetStr(&config->proxy_tls_password, nextarg); else return PARAM_LIBCURL_DOESNT_SUPPORT; break; case 'w': /* TLS authentication type for proxy */ if(curlinfo->features & CURL_VERSION_TLSAUTH_SRP) { GetStr(&config->proxy_tls_authtype, nextarg); if(!curl_strequal(config->proxy_tls_authtype, "SRP")) return PARAM_LIBCURL_DOESNT_SUPPORT; /* only support TLS-SRP */ } else return PARAM_LIBCURL_DOESNT_SUPPORT; break; case 'x': /* certificate file for proxy */ GetFileAndPassword(nextarg, &config->proxy_cert, &config->proxy_key_passwd); break; case 'y': /* cert file type for proxy */ GetStr(&config->proxy_cert_type, nextarg); break; case 'z': /* private key file for proxy */ GetStr(&config->proxy_key, nextarg); break; case '0': /* private key file type for proxy */ GetStr(&config->proxy_key_type, nextarg); break; case '1': /* private key passphrase for proxy */ GetStr(&config->proxy_key_passwd, nextarg); cleanarg(nextarg); break; case '2': /* ciphers for proxy */ GetStr(&config->proxy_cipher_list, nextarg); break; case '3': /* CRL info PEM file for proxy */ /* CRL file */ GetStr(&config->proxy_crlfile, nextarg); break; case '4': /* no empty SSL fragments for proxy */ if(curlinfo->features & CURL_VERSION_SSL) config->proxy_ssl_allow_beast = toggle; break; case '5': /* --login-options */ GetStr(&config->login_options, nextarg); break; case '6': /* CA info PEM file for proxy */ /* CA info PEM file */ GetStr(&config->proxy_cacert, nextarg); break; case '7': /* CA info PEM file for proxy */ /* CA cert directory */ GetStr(&config->proxy_capath, nextarg); break; case '8': /* allow insecure SSL connects for proxy */ config->proxy_insecure_ok = toggle; break; case '9': /* TLS version 1 for proxy */ config->proxy_ssl_version = CURL_SSLVERSION_TLSv1; break; default: /* unknown flag */ return PARAM_OPTION_UNKNOWN; } break; case 'f': switch(subletter) { case 'a': /* --fail-early */ global->fail_early = toggle; break; default: /* 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; if(config->url_out) { /* 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 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; if(config->url_out) { /* 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(!strcmp("-", nextarg)) { fname = ""; 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': switch(subletter) { case 'a': /* --preproxy */ GetStr(&config->preproxy, nextarg); break; default: /* --proxy */ GetStr(&config->proxy, nextarg); config->proxyver = CURLPROXY_HTTP; break; } 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, --time-cond (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(!strcmp("--", 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 && strcmp(":", orig_opt)) helpf(config->errors, "option %s: %s\n", orig_opt, reason); else helpf(config->errors, "%s\n", reason); } return result; }