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curl/src/main.c
Daniel Stenberg 5dd1cb0614 added an include to build on ultrix
2001-04-18 14:06:47 +00:00

1949 lines
55 KiB
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/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* 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 MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
*****************************************************************************/
/* This is now designed to have its own local setup.h */
#include "setup.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <curl/curl.h>
#define _MPRINTF_REPLACE /* we want curl-functions instead of native ones */
#include <curl/mprintf.h>
#include "urlglob.h"
#include "writeout.h"
#define CURLseparator "--_curl_--"
#if defined(WIN32)&&!defined(__CYGWIN32__)
#include <winsock.h>
#endif
#include "version.h"
#ifdef HAVE_IO_H /* typical win32 habit */
#include <io.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
/* The last #include file should be: */
#ifdef MALLOCDEBUG
/* this is low-level hard-hacking memory leak tracking shit */
#include "../lib/memdebug.h"
#endif
#define DEFAULT_MAXREDIRS 50L
#ifndef __cplusplus /* (rabe) */
typedef char bool;
#endif /* (rabe) */
#define CURL_PROGRESS_STATS 0 /* default progress display */
#define CURL_PROGRESS_BAR 1
typedef enum {
HTTPREQ_UNSPEC,
HTTPREQ_GET,
HTTPREQ_HEAD,
HTTPREQ_POST,
HTTPREQ_SIMPLEPOST,
HTTPREQ_CUSTOM,
HTTPREQ_LAST
} HttpReq;
/* Just a set of bits */
#define CONF_DEFAULT 0
#define CONF_USEREMOTETIME (1<<0) /* set the remote time on the local file */
#define CONF_AUTO_REFERER (1<<4) /* the automatic referer-system please! */
#define CONF_VERBOSE (1<<5) /* talk a lot */
#define CONF_HEADER (1<<8) /* throw the header out too */
#define CONF_NOPROGRESS (1<<10) /* shut off the progress meter */
#define CONF_NOBODY (1<<11) /* use HEAD to get http document */
#define CONF_FAILONERROR (1<<12) /* no output on http error codes >= 300 */
#define CONF_UPLOAD (1<<14) /* this is an upload */
#define CONF_FTPLISTONLY (1<<16) /* Use NLST when listing ftp dir */
#define CONF_FTPAPPEND (1<<20) /* Append instead of overwrite on upload! */
#define CONF_NETRC (1<<22) /* read user+password from .netrc */
#define CONF_FOLLOWLOCATION (1<<23) /* use Location: Luke! */
#define CONF_GETTEXT (1<<24) /* use ASCII/text for transfer */
#define CONF_HTTPPOST (1<<25) /* multipart/form-data HTTP POST */
#define CONF_MUTE (1<<28) /* force NOPROGRESS */
#ifndef HAVE_STRDUP
/* Ultrix doesn't have strdup(), so make a quick clone: */
char *strdup(char *str)
{
int len;
char *newstr;
len = strlen(str);
newstr = (char *) malloc((len+1)*sizeof(char));
if (!newstr)
return (char *)NULL;
strcpy(newstr,str);
return newstr;
}
#endif
extern void hugehelp(void);
/***********************************************************************
* Start with some silly functions to make win32-systems survive
***********************************************************************/
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
static void win32_cleanup(void)
{
WSACleanup();
}
static CURLcode win32_init(void)
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
wVersionRequested = MAKEWORD(1, 1);
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0)
/* Tell the user that we couldn't find a useable */
/* winsock.dll. */
return CURLE_FAILED_INIT;
/* Confirm that the Windows Sockets DLL supports 1.1.*/
/* Note that if the DLL supports versions greater */
/* than 1.1 in addition to 1.1, it will still return */
/* 1.1 in wVersion since that is the version we */
/* requested. */
if ( LOBYTE( wsaData.wVersion ) != 1 ||
HIBYTE( wsaData.wVersion ) != 1 ) {
/* Tell the user that we couldn't find a useable */
/* winsock.dll. */
WSACleanup();
return CURLE_FAILED_INIT;
}
return CURLE_OK;
}
/* The Windows Sockets DLL is acceptable. Proceed. */
#else
static CURLcode win32_init(void) { return CURLE_OK; }
#define win32_cleanup()
#endif
/*
* This is the main global constructor for the app. Call this before
* _any_ libcurl usage. If this fails, *NO* libcurl functions may be
* used, or havoc may be the result.
*/
CURLcode main_init(void)
{
return win32_init();
}
/*
* This is the main global destructor for the app. Call this after
* _all_ libcurl usage is done.
*/
void main_free(void)
{
win32_cleanup();
}
int SetHTTPrequest(HttpReq req, HttpReq *store)
{
if((*store == HTTPREQ_UNSPEC) ||
(*store == req)) {
*store = req;
return 0;
}
fprintf(stderr, "You can only select one HTTP request!\n");
return 1;
}
static void helpf(char *fmt, ...)
{
va_list ap;
if(fmt) {
va_start(ap, fmt);
fputs("curl: ", stderr); /* prefix it */
vfprintf(stderr, fmt, ap);
va_end(ap);
}
fprintf(stderr, "curl: try 'curl --help' for more information\n");
}
/*
* A chain of these nodes contain URL to get and where to put the URL's
* contents.
*/
struct getout {
struct getout *next;
char *url;
char *outfile;
int flags;
};
#define GETOUT_OUTFILE (1<<0) /* set when outfile is deemed done */
#define GETOUT_URL (1<<1) /* set when URL is deemed done */
#define GETOUT_USEREMOTE (1<<2) /* use remote file name locally */
static void help(void)
{
printf(CURL_ID "%s\n"
"Usage: curl [options...] <url>\n"
"Options: (H) means HTTP/HTTPS only, (F) means FTP only\n"
" -a/--append Append to target file when uploading (F)\n"
" -A/--user-agent <string> User-Agent to send to server (H)\n"
" -b/--cookie <name=string/file> Cookie string or file to read cookies from (H)\n"
" -B/--use-ascii Use ASCII/text transfer\n",
curl_version());
puts(" -C/--continue-at <offset> Specify absolute resume offset\n"
" -d/--data <data> HTTP POST data (H)\n"
" --data-ascii <data> HTTP POST ASCII data (H)\n"
" --data-binary <data> HTTP POST binary data (H)\n"
" -D/--dump-header <file> Write the headers to this file\n"
" --egd-file <file> EGD socket path for random data (SSL)\n"
" -e/--referer Referer page (H)");
puts(" -E/--cert <cert[:passwd]> Specifies your certificate file and password (HTTPS)\n"
" --cacert <file> CA certifciate to verify peer against (HTTPS)\n"
" --connect-timeout <seconds> Maximum time allowed for connection\n"
" -f/--fail Fail silently (no output at all) on errors (H)\n"
" -F/--form <name=content> Specify HTTP POST data (H)\n"
" -g/--globoff Disable URL sequences and ranges using {} and []\n"
" -h/--help This help text\n"
" -H/--header <line> Custom header to pass to server. (H)");
puts(" -i/--include Include the HTTP-header in the output (H)\n"
" -I/--head Fetch document info only (HTTP HEAD/FTP SIZE)\n"
" --interface <interface> Specify the interface to be used\n"
" --krb4 <level> Enable krb4 with specified security level (F)\n"
" -K/--config Specify which config file to read\n"
" -l/--list-only List only names of an FTP directory (F)");
puts(" -L/--location Follow Location: hints (H)\n"
" -m/--max-time <seconds> Maximum time allowed for the transfer\n"
" -M/--manual Display huge help text\n"
" -n/--netrc Read .netrc for user name and password\n"
" -N/--no-buffer Disables the buffering of the output stream");
puts(" -o/--output <file> Write output to <file> instead of stdout\n"
" -O/--remote-name Write output to a file named as the remote file\n"
" -p/--proxytunnel Perform non-HTTP services through a HTTP proxy\n"
" -P/--ftpport <address> Use PORT with address instead of PASV when ftping (F)\n"
" -q When used as the first parameter disables .curlrc\n"
" -Q/--quote <cmd> Send QUOTE command to FTP before file transfer (F)");
puts(" -r/--range <range> Retrieve a byte range from a HTTP/1.1 or FTP server\n"
" -s/--silent Silent mode. Don't output anything\n"
" -S/--show-error Show error. With -s, make curl show errors when they occur\n"
" --stderr <file> Where to redirect stderr. - means stdout.\n"
" -t/--telnet-option <OPT=val> Set telnet option\n"
" -T/--upload-file <file> Transfer/upload <file> to remote site\n"
" --url <URL> Another way to specify URL to work with");
puts(" -u/--user <user[:password]> Specify user and password to use\n"
" -U/--proxy-user <user[:password]> Specify Proxy authentication\n"
" -v/--verbose Makes the operation more talkative\n"
" -V/--version Outputs version number then quits\n"
" -w/--write-out [format] What to output after completion\n"
" -x/--proxy <host[:port]> Use proxy. (Default port is 1080)\n"
" --random-file <file> File to use for reading random data from (SSL)\n"
" -X/--request <command> Specific request command to use");
puts(" -y/--speed-time Time needed to trig speed-limit abort. Defaults to 30\n"
" -Y/--speed-limit Stop transfer if below speed-limit for 'speed-time' secs\n"
" -z/--time-cond <time> Includes a time condition to the server (H)\n"
" -Z/--max-redirs <num> Set maximum number of redirections allowed (H)\n"
" -2/--sslv2 Force usage of SSLv2 (H)\n"
" -3/--sslv3 Force usage of SSLv3 (H)");
puts(" -#/--progress-bar Display transfer progress as a progress bar\n"
" --crlf Convert LF to CRLF in upload. Useful for MVS (OS/390)");
}
struct LongShort {
char *letter;
char *lname;
bool extraparam;
};
struct Configurable {
char *random_file;
char *egd_file;
char *useragent;
char *cookie;
bool use_resume;
int resume_from;
char *postfields;
long postfieldsize;
char *referer;
long timeout;
long connecttimeout;
long maxredirs;
char *headerfile;
char *ftpport;
char *iface;
unsigned short porttouse;
char *range;
int low_speed_limit;
int low_speed_time;
bool showerror;
char *infile;
char *userpwd;
char *proxyuserpwd;
char *proxy;
bool configread;
bool proxytunnel;
long conf;
struct getout *url_list; /* point to the first node */
struct getout *url_last; /* point to the last/current node */
struct getout *url_get; /* point to the node to fill in URL */
struct getout *url_out; /* point to the node to fill in outfile */
char *cert;
char *cacert;
char *cert_passwd;
bool crlf;
char *cookiefile;
char *customrequest;
char *krb4level;
bool progressmode;
bool nobuffer;
bool globoff;
char *writeout; /* %-styled format string to output */
FILE *errors; /* if stderr redirect is requested */
struct curl_slist *quote;
struct curl_slist *postquote;
long ssl_version;
TimeCond timecond;
time_t condtime;
struct curl_slist *headers;
struct HttpPost *httppost;
struct HttpPost *last_post;
struct curl_slist *telnet_options;
HttpReq httpreq;
};
static int parseconfig(char *filename,
struct Configurable *config);
static char *my_get_line(FILE *fp);
static void GetStr(char **string,
char *value)
{
if(*string)
free(*string);
if(value && *value)
*string = strdup(value);
else
*string = NULL;
}
static char *file2string(FILE *file)
{
char buffer[256];
char *ptr;
char *string=NULL;
int len=0;
int stringlen;
if(file) {
while(fgets(buffer, sizeof(buffer), file)) {
ptr= strchr(buffer, '\r');
if(ptr)
*ptr=0;
ptr= strchr(buffer, '\n');
if(ptr)
*ptr=0;
stringlen=strlen(buffer);
if(string)
string = realloc(string, len+stringlen+1);
else
string = malloc(stringlen+1);
strcpy(string+len, buffer);
len+=stringlen;
}
return string;
}
else
return NULL; /* no string */
}
static char *file2memory(FILE *file, long *size)
{
char buffer[1024];
char *string=NULL;
char *newstring=NULL;
long len=0;
long stringlen=0;
if(file) {
while((len = fread(buffer, 1, sizeof(buffer), file))) {
if(string) {
newstring = realloc(string, len+stringlen);
if(newstring)
string = newstring;
else
break; /* no more strings attached! :-) */
}
else
string = malloc(len);
memcpy(&string[stringlen], buffer, len);
stringlen+=len;
}
*size = stringlen;
return string;
}
else
return NULL; /* no string */
}
void clean_getout(struct Configurable *config)
{
struct getout *node=config->url_list;
struct getout *next;
while(node) {
next = node->next;
if(node->url)
free(node->url);
if(node->outfile)
free(node->outfile);
free(node);
node = next; /* GOTO next */
}
}
struct getout *new_getout(struct Configurable *config)
{
struct getout *node =malloc(sizeof(struct getout));
struct getout *last= config->url_last;
if(node) {
/* clear the struct */
memset(node, 0, sizeof(struct getout));
/* append this new node last in the list */
if(last)
last->next = node;
else
config->url_list = node; /* first node */
/* move the last pointer */
config->url_last = node;
}
return node;
}
typedef enum {
PARAM_OK,
PARAM_OPTION_AMBIGUOUS,
PARAM_OPTION_UNKNOWN,
PARAM_REQUIRES_PARAMETER,
PARAM_BAD_USE,
PARAM_HELP_REQUESTED,
PARAM_GOT_EXTRA_PARAMETER,
PARAM_LAST
} ParameterError;
static 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 Configurable *config)
{
char letter;
char subletter=0; /* subletters can only occur on long options */
char *parse=NULL;
int res;
int j;
time_t now;
int hit=-1;
bool longopt=FALSE;
bool singleopt=FALSE; /* when true means '-o foo' used '-ofoo' */
/* single-letter,
long-name,
boolean whether it takes an additional argument
*/
struct LongShort aliases[]= {
{"9", "crlf", FALSE},
{"8", "stderr", TRUE},
{"7", "interface", TRUE},
{"6", "krb4", TRUE},
{"5", "url", TRUE},
{"5a", "random-file", TRUE},
{"5b", "egd-file", TRUE},
{"5c", "connect-timeout", TRUE},
{"2", "sslv2", FALSE},
{"3", "sslv3", FALSE},
{"a", "append", FALSE},
{"A", "user-agent", TRUE},
{"b", "cookie", TRUE},
{"B", "ftp-ascii", FALSE}, /* this long format is OBSOLETEE now! */
{"B", "use-ascii", FALSE},
{"c", "continue", FALSE},
{"C", "continue-at", TRUE},
{"d", "data", TRUE},
{"da", "data-ascii", TRUE},
{"db", "data-binary", TRUE},
{"D", "dump-header", TRUE},
{"e", "referer", TRUE},
{"E", "cert", TRUE},
{"Ea", "cacert", TRUE},
{"f", "fail", FALSE},
{"F", "form", TRUE},
{"g", "globoff", FALSE},
{"h", "help", FALSE},
{"H", "header", TRUE},
{"i", "include", FALSE},
{"I", "head", FALSE},
{"K", "config", TRUE},
{"l", "list-only", FALSE},
{"L", "location", FALSE},
{"m", "max-time", TRUE},
{"M", "manual", FALSE},
{"n", "netrc", FALSE},
{"N", "no-buffer", FALSE},
{"o", "output", TRUE},
{"O", "remote-name", FALSE},
{"p", "proxytunnel", FALSE},
{"P", "ftpport", TRUE},
{"q", "disable", FALSE},
{"Q", "quote", TRUE},
{"r", "range", TRUE},
{"s", "silent", FALSE},
{"S", "show-error", FALSE},
{"t", "telnet-options", 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},
{"X", "request", TRUE},
{"X", "http-request", TRUE}, /* OBSOLETE VERSION */
{"Y", "speed-limit", TRUE},
{"y", "speed-time", TRUE},
{"z", "time-cond", TRUE},
{"Z", "max-redirs", TRUE},
{"#", "progress-bar",FALSE},
};
if(('-' != flag[0]) ||
(('-' == flag[0]) && ('-' == flag[1]))) {
/* this should be a long name */
char *word=('-' == flag[0])?flag+2:flag;
int fnam=strlen(word);
int numhits=0;
for(j=0; j< sizeof(aliases)/sizeof(aliases[0]); j++) {
if(strnequal(aliases[j].lname, word, fnam)) {
longopt = TRUE;
numhits++;
if(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 = parse?*parse:'\0';
else {
letter = parse[0];
subletter = parse[1];
}
*usedarg = FALSE; /* default is that we don't use the arg */
#if 0
fprintf(stderr, "OPTION: %c %s\n", letter, nextarg?nextarg:"<null>");
#endif
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(hit < 0) {
return PARAM_OPTION_UNKNOWN;
}
if(!longopt && aliases[hit].extraparam && parse[1]) {
nextarg=&parse[1]; /* this is the actual extra parameter */
singleopt=TRUE; /* don't loop anymore after this */
}
else if((!nextarg || !*nextarg) && aliases[hit].extraparam) {
return PARAM_REQUIRES_PARAMETER;
}
else if(nextarg && aliases[hit].extraparam)
*usedarg = TRUE; /* mark it as used */
switch(letter) {
case '9': /* there is no short letter for this */
/* LF -> CRLF conversinon? */
config->crlf = TRUE;
break;
case '8': /* there is no short letter for this */
if(strcmp(nextarg, "-"))
config->errors = fopen(nextarg, "wt");
else
config->errors = stdout;
break;
case '7': /* there is no short letter for this */
/* interface */
GetStr(&config->iface, nextarg);
break;
case '6': /* there is no short letter for this */
/* krb4 level string */
GetStr(&config->krb4level, nextarg);
break;
case '5':
switch(subletter) {
case 'a': /* random-file */
GetStr(&config->random_file, nextarg);
break;
case 'b': /* egd-file */
GetStr(&config->egd_file, nextarg);
break;
case 'c': /* connect-timeout */
config->connecttimeout=atoi(nextarg);
break;
default: /* the URL! */
{
struct getout *url;
if(config->url_get || (config->url_get=config->url_list)) {
/* 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) {
/* fill in the URL */
GetStr(&url->url, nextarg);
url->flags |= GETOUT_URL;
}
}
}
break;
case '#': /* added 19990617 larsa */
config->progressmode ^= CURL_PROGRESS_BAR;
break;
case '2':
/* SSL version 2 */
config->ssl_version = 2;
break;
case '3':
/* SSL version 2 */
config->ssl_version = 3;
break;
case 'a':
/* This makes the FTP sessions use APPE instead of STOR */
config->conf ^= CONF_FTPAPPEND;
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 transfering */
config->conf ^= CONF_GETTEXT;
break;
case 'c':
/* This makes us continue an ftp transfer */
config->use_resume^=TRUE;
fprintf(stderr, "-c is a deprecated switch, use '-C -' instead!\n");
break;
case 'C':
/* This makes us continue an ftp transfer at given position */
if(!strequal(nextarg, "-"))
config->resume_from= atoi(nextarg);
config->use_resume=TRUE;
break;
case 'd':
/* postfield data */
{
char *postdata=NULL;
if('@' == *nextarg) {
/* the data begins with a '@' letter, it means that a file name
or - (stdin) follows */
FILE *file;
nextarg++; /* pass the @ */
if(strequal("-", nextarg))
file = stdin;
else
file = fopen(nextarg, "r");
if(subletter == 'b') /* forced binary */
postdata = file2memory(file, &config->postfieldsize);
else
postdata = file2string(file);
if(file && (file != stdin))
fclose(stdin);
}
else {
GetStr(&postdata, nextarg);
}
if(config->postfields && *config->postfields) {
/* we already have a string, we append this one
with a separating &-letter */
char *oldpost=config->postfields;
config->postfields=aprintf("%s&%s", oldpost, postdata);
free(oldpost);
free(postdata);
}
else
config->postfields=postdata;
}
if(SetHTTPrequest(HTTPREQ_SIMPLEPOST, &config->httpreq))
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->conf |= CONF_AUTO_REFERER;
*ptr = 0; /* zero terminate here */
}
GetStr(&config->referer, nextarg);
}
break;
case 'E':
if(subletter == 'a') {
/* CA info PEM file */
GetStr(&config->cacert, nextarg);
}
else {
char *ptr = strchr(nextarg, ':');
if(ptr) {
/* we have a password too */
*ptr=0;
ptr++;
GetStr(&config->cert_passwd, ptr);
}
GetStr(&config->cert, nextarg);
}
break;
case 'f':
/* fail hard on errors */
config->conf ^= CONF_FAILONERROR;
break;
case 'F':
/* "form data" simulation, this is a little advanced so lets do our best
to sort this out slowly and carefully */
if(curl_formparse(nextarg,
&config->httppost,
&config->last_post))
return PARAM_BAD_USE;
if(SetHTTPrequest(HTTPREQ_POST, &config->httpreq))
return PARAM_BAD_USE;
break;
case 'g': /* g disables URLglobbing */
config->globoff ^= TRUE;
break;
case 'h': /* h for help */
help();
return PARAM_HELP_REQUESTED;
case 'H':
/* A custom header to append to a list */
config->headers = curl_slist_append(config->headers, nextarg);
break;
case 'i':
config->conf ^= CONF_HEADER; /* include the HTTP header as well */
break;
case 'I':
config->conf ^= CONF_HEADER; /* include the HTTP header in the output */
config->conf ^= CONF_NOBODY; /* don't fetch the body at all */
if(SetHTTPrequest(HTTPREQ_HEAD, &config->httpreq))
return PARAM_BAD_USE;
break;
case 'K':
res = parseconfig(nextarg, config);
config->configread = TRUE;
if(res)
return res;
break;
case 'l':
config->conf ^= CONF_FTPLISTONLY; /* only list the names of the FTP dir */
break;
case 'L':
config->conf ^= CONF_FOLLOWLOCATION; /* Follow Location: HTTP headers */
break;
case 'm':
/* specified max time */
config->timeout = atoi(nextarg);
break;
case 'M': /* M for manual, huge help */
hugehelp();
return PARAM_HELP_REQUESTED;
case 'n':
/* pick info from .netrc, if this is used for http, curl will
automatically enfore user+password with the request */
config->conf ^= CONF_NETRC;
break;
case 'N':
/* disable the output I/O buffering */
config->nobuffer ^= 1;
break;
case 'o':
case 'O':
/* output file */
{
struct getout *url;
if(config->url_out || (config->url_out=config->url_list)) {
/* 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) {
/* fill in the outfile */
if('o' == letter)
GetStr(&url->outfile, nextarg);
else {
url->outfile=NULL; /* leave it */
url->flags |= GETOUT_USEREMOTE;
}
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 ^= TRUE;
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 */
if(nextarg[0] == '-') {
/* prefixed with a dash makes it a POST TRANSFER one */
nextarg++;
config->postquote = curl_slist_append(config->postquote, nextarg);
}
else {
config->quote = curl_slist_append(config->quote, nextarg);
}
break;
case 'r':
/* byte range requested */
GetStr(&config->range, nextarg);
break;
case 's':
/* don't show progress meter, don't show errors : */
config->conf |= (CONF_MUTE|CONF_NOPROGRESS);
config->showerror ^= TRUE; /* toggle off */
break;
case 'S':
/* show errors */
config->showerror ^= TRUE; /* toggle on if used with -s */
break;
case 't':
/* Telnet options */
config->telnet_options = curl_slist_append(config->telnet_options, nextarg);
break;
case 'T':
/* we are uploading */
config->conf |= CONF_UPLOAD;
if(!strequal("-", nextarg))
/* make - equal stdin */
GetStr(&config->infile, nextarg);
break;
case 'u':
/* user:password */
GetStr(&config->userpwd, nextarg);
break;
case 'U':
/* Proxy user:password */
GetStr(&config->proxyuserpwd, nextarg);
break;
case 'v':
config->conf ^= CONF_VERBOSE; /* talk a lot */
break;
case 'V':
printf(CURL_ID "%s\n", curl_version());
return PARAM_HELP_REQUESTED;
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;
nextarg++; /* pass the @ */
if(strequal("-", nextarg))
file = stdin;
else
file = fopen(nextarg, "r");
config->writeout = file2string(file);
if(file && (file != stdin))
fclose(stdin);
}
else
GetStr(&config->writeout, nextarg);
break;
case 'x':
/* proxy */
GetStr(&config->proxy, nextarg);
break;
case 'X':
/* HTTP request */
GetStr(&config->customrequest, nextarg);
if(SetHTTPrequest(HTTPREQ_CUSTOM, &config->httpreq))
return PARAM_BAD_USE;
break;
case 'y':
/* low speed time */
config->low_speed_time = atoi(nextarg);
if(!config->low_speed_limit)
config->low_speed_limit = 1;
break;
case 'Y':
/* low speed limit */
config->low_speed_limit = atoi(nextarg);
if(!config->low_speed_time)
config->low_speed_time=30;
break;
case 'z': /* time condition coming up */
switch(*nextarg) {
case '+':
nextarg++;
default:
/* If-Modified-Since: (section 14.28 in RFC2068) */
config->timecond = TIMECOND_IFMODSINCE;
break;
case '-':
/* If-Unmodified-Since: (section 14.24 in RFC2068) */
config->timecond = TIMECOND_IFUNMODSINCE;
nextarg++;
break;
case '=':
/* Last-Modified: (section 14.29 in RFC2068) */
config->timecond = TIMECOND_LASTMOD;
nextarg++;
break;
}
now=time(NULL);
config->condtime=curl_getdate(nextarg, &now);
if(-1 == 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 = TIMECOND_NONE;
}
else {
/* pull the time out from the file */
config->condtime = statbuf.st_mtime;
}
}
break;
case 'Z':
/* specified max no of redirects (http(s)) */
config->maxredirs = atoi(nextarg);
break;
default: /* unknown flag */
return PARAM_OPTION_UNKNOWN;
}
hit = -1;
} while(!singleopt && *++parse && !*usedarg);
return PARAM_OK;
}
static int parseconfig(char *filename,
struct Configurable *config)
{
int res;
FILE *file;
char filebuffer[256];
bool usedarg;
char *home=NULL;
if(!filename || !*filename) {
/* NULL or no file name attempts to load .curlrc from the homedir! */
#define CURLRC DOT_CHAR "curlrc"
home = curl_getenv("HOME"); /* portable environment reader */
if(!home)
return 0;
if(strlen(home)>(sizeof(filebuffer)-strlen(CURLRC))) {
free(home);
return 0;
}
sprintf(filebuffer, "%s%s%s", home, DIR_CHAR, CURLRC);
filename = filebuffer;
}
if(strcmp(filename,"-"))
file = fopen(filename, "r");
else
file = stdin;
if(file) {
char *line;
char *aline;
char *option;
char *param;
int lineno=0;
bool alloced_param;
#define isseparator(x) (((x)=='=') || ((x) == ':'))
while (NULL != (aline = my_get_line(file))) {
lineno++;
line = aline;
alloced_param=FALSE;
/* lines with # in the fist column is a comment! */
while(isspace((int)*line))
line++;
switch(*line) {
case '#':
case '/':
case '\r':
case '\n':
case '*':
case '\0':
free(line);
continue;
}
/* the option keywords starts here */
option = line;
while(*line && !isspace((int)*line) && !isseparator(*line))
line++;
/* ... and has ended here */
*line++=0; /* zero terminate, we have a local copy of the data */
#ifdef DEBUG_CONFIG
fprintf(stderr, "GOT: %s\n", option);
#endif
/* pass spaces and separator(s) */
while(isspace((int)*line) || isseparator(*line))
line++;
/* the parameter starts here (unless quoted) */
if(*line == '\"') {
char *ptr;
/* quoted parameter, do the qoute dance */
line++;
param=strdup(line); /* parameter */
alloced_param=TRUE;
ptr=param;
while(*line && (*line != '\"')) {
if(*line == '\\') {
char out;
line++;
/* default is to output the letter after the backslah */
switch(out = *line) {
case '\0':
continue; /* this'll break out of the loop */
case 't':
out='\t';
break;
case 'n':
out='\n';
break;
case 'r':
out='\r';
break;
case 'v':
out='\v';
break;
}
*ptr++=out;
line++;
}
else
*ptr++=*line++;
}
*ptr=0; /* always zero terminate */
}
else {
param=line; /* parameter starts here */
while(*line && !isspace((int)*line))
line++;
*line=0; /* zero terminate */
}
#ifdef DEBUG_CONFIG
fprintf(stderr, "PARAM: \"%s\"\n", param);
#endif
res = getparameter(option, param, &usedarg, config);
if(*param && !usedarg)
/* we passed in a parameter that wasn't used! */
res = PARAM_GOT_EXTRA_PARAMETER;
if(res != PARAM_OK) {
/* the help request isn't really an error */
if(!strcmp(filename, "-")) {
filename="<stdin>";
}
if(PARAM_HELP_REQUESTED != res) {
char *reason;
switch(res) {
default:
case PARAM_GOT_EXTRA_PARAMETER:
reason = "had unsupported trailing garbage";
break;
case PARAM_OPTION_UNKNOWN:
reason = "is unknown";
break;
case PARAM_OPTION_AMBIGUOUS:
reason = "is ambiguous";
break;
case PARAM_REQUIRES_PARAMETER:
reason = "requires parameter";
break;
case PARAM_BAD_USE:
reason = "is badly used here";
break;
}
fprintf(stderr, "%s:%d: warning: '%s' %s\n",
filename, lineno, option, reason);
}
}
if(alloced_param)
free(param);
free(aline);
}
if(file != stdin)
fclose(file);
}
if(home)
free(home);
return 0;
}
struct OutStruct {
char *filename;
FILE *stream;
struct Configurable *config;
};
int my_fwrite(void *buffer, size_t size, size_t nmemb, FILE *stream)
{
struct OutStruct *out=(struct OutStruct *)stream;
if(out && !out->stream) {
/* open file for writing */
out->stream=fopen(out->filename, "wb");
if(!out->stream)
return -1; /* failure */
if(out->config->nobuffer) {
/* disable output buffering */
#ifdef HAVE_SETVBUF
setvbuf(out->stream, NULL, _IONBF, 0);
#endif
}
}
return fwrite(buffer, size, nmemb, out->stream);
}
struct ProgressData {
size_t total;
size_t prev;
size_t point;
int width;
};
int myprogress (void *clientp,
size_t dltotal,
size_t dlnow,
size_t ultotal,
size_t ulnow)
{
/* The original progress-bar source code was written for curl by Lars Aas,
and this new edition inherites some of his concepts. */
char line[256];
char outline[256];
char format[40];
float frac;
float percent;
int barwidth;
int num;
int i;
struct ProgressData *bar = (struct ProgressData *)clientp;
size_t total = dltotal + ultotal;
bar->point = dlnow + ulnow; /* we've come this far */
if(0 == total) {
int prevblock = bar->prev / 1024;
int thisblock = bar->point / 1024;
while ( thisblock > prevblock ) {
fprintf( stderr, "#" );
prevblock++;
}
}
else {
frac = (float) bar->point / (float) total;
percent = frac * 100.0f;
barwidth = bar->width - 7;
num = (int) (((float)barwidth) * frac);
i = 0;
for ( i = 0; i < num; i++ ) {
line[i] = '#';
}
line[i] = '\0';
sprintf( format, "%%-%ds %%5.1f%%%%", barwidth );
sprintf( outline, format, line, percent );
fprintf( stderr, "\r%s", outline );
}
bar->prev = bar->point;
return 0;
}
void progressbarinit(struct ProgressData *bar)
{
#ifdef __EMX__
/* 20000318 mgs */
int scr_size [2];
#endif
char *colp;
memset(bar, 0, sizeof(struct ProgressData));
/* TODO: get terminal width through ansi escapes or something similar.
try to update width when xterm is resized... - 19990617 larsa */
#ifndef __EMX__
/* 20000318 mgs
* OS/2 users most likely won't have this env var set, and besides that
* we're using our own way to determine screen width */
colp = curl_getenv("COLUMNS");
if (colp != NULL) {
bar->width = atoi(colp);
free(colp);
}
else
bar->width = 79;
#else
/* 20000318 mgs
* We use this emx library call to get the screen width, and subtract
* one from what we got in order to avoid a problem with the cursor
* advancing to the next line if we print a string that is as long as
* the screen is wide. */
_scrsize(scr_size);
bar->width = scr_size[0] - 1;
#endif
}
void free_config_fields(struct Configurable *config)
{
if(config->random_file)
free(config->random_file);
if(config->egd_file)
free(config->egd_file);
if(config->userpwd)
free(config->userpwd);
if(config->postfields)
free(config->postfields);
if(config->proxy)
free(config->proxy);
if(config->proxyuserpwd)
free(config->proxyuserpwd);
if(config->cookie)
free(config->cookie);
if(config->cookiefile)
free(config->cookiefile);
if(config->krb4level)
free(config->krb4level);
if(config->headerfile)
free(config->headerfile);
if(config->ftpport)
free(config->ftpport);
if(config->infile)
free(config->infile);
if(config->range)
free(config->range);
if(config->customrequest)
free(config->customrequest);
if(config->writeout)
free(config->writeout);
if(config->httppost)
curl_formfree(config->httppost);
if(config->cacert)
free(config->cacert);
curl_slist_free_all(config->quote); /* checks for config->quote == NULL */
curl_slist_free_all(config->postquote); /* */
curl_slist_free_all(config->headers); /* */
}
static int
operate(struct Configurable *config, int argc, char *argv[])
{
char errorbuffer[CURL_ERROR_SIZE];
char useragent[128]; /* buah, we don't want a larger default user agent */
struct ProgressData progressbar;
struct getout *urlnode;
struct getout *nextnode;
struct OutStruct outs;
struct OutStruct heads;
char *url = NULL;
URLGlob *urls=NULL;
int urlnum;
char *outfiles;
int separator = 0;
FILE *infd = stdin;
FILE *headerfilep = NULL;
char *urlbuffer=NULL;
int infilesize=-1; /* -1 means unknown */
bool stillflags=TRUE;
bool allocuseragent=FALSE;
CURL *curl;
int res;
int i;
#ifdef MALLOCDEBUG
/* this sends all memory debug messages to a logfile named memdump */
curl_memdebug("memdump");
#endif
main_init(); /* inits winsock crap for windows */
config->showerror=TRUE;
config->conf=CONF_DEFAULT;
if(argc>1 &&
(!strnequal("--", argv[1], 2) && (argv[1][0] == '-')) &&
strchr(argv[1], 'q')) {
/*
* The first flag, that is not a verbose name, but a shortname
* and it includes the 'q' flag!
*/
;
}
else {
res = parseconfig(NULL, config);
if(res)
return res;
}
if ((argc < 2) && !config->url_list) {
helpf(NULL);
return CURLE_FAILED_INIT;
}
/* Parse options */
for (i = 1; i < argc; i++) {
if(stillflags &&
('-' == argv[i][0])) {
char *nextarg;
bool passarg;
char *origopt=argv[i];
char *flag = argv[i];
if(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;
res = getparameter(flag, nextarg, &passarg, config);
if(res) {
switch(res) {
case PARAM_OPTION_AMBIGUOUS:
helpf("option %s is ambiguous\n", origopt);
break;
case PARAM_OPTION_UNKNOWN:
helpf("option %s is unknown\n", origopt);
break;
case PARAM_REQUIRES_PARAMETER:
helpf("option %s requires an extra argument!\n", origopt);
break;
case PARAM_BAD_USE:
helpf("option %s was wrongly used!\n", origopt);
break;
case PARAM_HELP_REQUESTED:
/* no text */
break;
}
clean_getout(config);
return CURLE_FAILED_INIT;
}
if(passarg) /* we're supposed to skip this */
i++;
}
}
else {
bool used;
/* just add the URL please */
res = getparameter("--url", argv[i], &used, config);
if(res)
return res;
}
}
if(!config->url_list) {
helpf("no URL specified!\n");
return CURLE_FAILED_INIT;
}
if(NULL == config->useragent) {
/* set non-zero default values: */
snprintf(useragent, sizeof(useragent),
CURL_NAME "/" CURL_VERSION " (" OS ") " "%s", curl_version());
config->useragent= useragent;
}
else
allocuseragent = TRUE;
/*
* Get a curl handle to use for all forthcoming curl transfers. Cleanup
* when all transfers are done. This is supported with libcurl 7.7 and
* should not be attempted on previous versions.
*/
curl = curl_easy_init();
if(!curl)
return CURLE_FAILED_INIT;
urlnode = config->url_list;
/* loop through the list of given URLs */
while(urlnode) {
/* get the full URL (it might be NULL) */
url=urlnode->url;
if(NULL == url) {
/* This node had no URL, skip it and continue to the next */
if(urlnode->outfile)
free(urlnode->outfile);
/* move on to the next URL */
nextnode=urlnode->next;
free(urlnode); /* free the node */
urlnode = nextnode;
continue; /* next please */
}
/* default output stream is stdout */
outs.stream = stdout;
outs.config = config;
if(!config->globoff) {
/* Unless explicitly shut off, we expand '{...}' and '[...]' expressions
and return total number of URLs in pattern set */
res = glob_url(&urls, url, &urlnum);
if(res != CURLE_OK)
return res;
}
/* save outfile pattern before expansion */
outfiles = urlnode->outfile?strdup(urlnode->outfile):NULL;
if ((!outfiles || strequal(outfiles, "-")) && urlnum > 1) {
/* multiple files extracted to stdout, insert separators! */
separator = 1;
}
for(i = 0;
(url = urls?next_url(urls):(i?NULL:strdup(url)));
i++) {
char *outfile;
outfile = outfiles?strdup(outfiles):NULL;
if((urlnode->flags&GETOUT_USEREMOTE) ||
(outfile && !strequal("-", outfile)) ) {
/*
* We have specified a file name to store the result in, or we have
* decided we want to use the remote file name.
*/
if(!outfile) {
/* Find and get the remote file name */
char * pc =strstr(url, "://");
if(pc)
pc+=3;
else
pc=url;
pc = strrchr(pc, '/');
outfile = (char *) NULL == pc ? NULL : strdup(pc+1) ;
if(!outfile) {
helpf("Remote file name has no length!\n");
return CURLE_WRITE_ERROR;
}
}
else if(urls) {
/* fill '#1' ... '#9' terms from URL pattern */
char *storefile = outfile;
outfile = match_url(storefile, urls);
free(storefile);
}
if((0 == config->resume_from) && config->use_resume) {
/* we're told to continue where we are now, then we get the size of
the file as it is now and open it for append instead */
struct stat fileinfo;
if(0 == stat(outfile, &fileinfo)) {
/* set offset to current file size: */
config->resume_from = fileinfo.st_size;
}
/* else let offset remain 0 */
}
if(config->resume_from) {
/* open file for output: */
outs.stream=(FILE *) fopen(outfile, config->resume_from?"ab":"wb");
if (!outs.stream) {
helpf("Can't open '%s'!\n", outfile);
return CURLE_WRITE_ERROR;
}
}
else {
outs.filename = outfile;
outs.stream = NULL; /* open when needed */
}
}
if(config->infile) {
/*
* We have specified a file to upload
*/
struct stat fileinfo;
/* If no file name part is given in the URL, we add this file name */
char *ptr=strstr(url, "://");
if(ptr)
ptr+=3;
else
ptr=url;
ptr = strrchr(ptr, '/');
if(!ptr || !strlen(++ptr)) {
/* The URL has no file name part, add the local file name. In order
to be able to do so, we have to create a new URL in another
buffer.*/
urlbuffer=(char *)malloc(strlen(url) + strlen(config->infile) + 3);
if(!urlbuffer) {
helpf("out of memory\n");
return CURLE_OUT_OF_MEMORY;
}
if(ptr)
/* there is a trailing slash on the URL */
sprintf(urlbuffer, "%s%s", url, config->infile);
else
/* thers is no trailing slash on the URL */
sprintf(urlbuffer, "%s/%s", url, config->infile);
url = urlbuffer; /* use our new URL instead! */
}
infd=(FILE *) fopen(config->infile, "rb");
if (!infd || stat(config->infile, &fileinfo)) {
helpf("Can't open '%s'!\n", config->infile);
return CURLE_READ_ERROR;
}
infilesize=fileinfo.st_size;
}
if((config->conf&CONF_UPLOAD) &&
config->use_resume &&
(0==config->resume_from)) {
config->resume_from = -1; /* -1 will then force get-it-yourself */
}
if(config->headerfile) {
/* open file for output: */
if(strcmp(config->headerfile,"-")) {
heads.filename = config->headerfile;
headerfilep=NULL;
}
else
headerfilep=stdout;
heads.stream = headerfilep;
heads.config = config;
}
if(outs.stream && isatty(fileno(outs.stream)) &&
!(config->conf&(CONF_UPLOAD|CONF_HTTPPOST)))
/* we send the output to a tty and it isn't an upload operation,
therefore we switch off the progress meter */
config->conf |= CONF_NOPROGRESS;
if (urlnum > 1) {
fprintf(stderr, "\n[%d/%d]: %s --> %s\n",
i+1, urlnum, url, outfile ? outfile : "<stdout>");
if (separator)
printf("%s%s\n", CURLseparator, url);
}
if(!config->errors)
config->errors = stderr;
#if defined(WIN32) && !defined(__CYGWIN32__)
if(!outfile && !(config->conf & CONF_GETTEXT)) {
/* We get the output to stdout and we have not got the ASCII/text flag,
then set stdout to be binary */
setmode( 1, O_BINARY );
}
#endif
curl_easy_setopt(curl, CURLOPT_FILE, (FILE *)&outs); /* where to store */
/* what call to write: */
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
curl_easy_setopt(curl, CURLOPT_INFILE, infd); /* for uploads */
/* size of uploaded file: */
curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
curl_easy_setopt(curl, CURLOPT_URL, url); /* what to fetch */
curl_easy_setopt(curl, CURLOPT_PROXY, config->proxy); /* proxy to use */
curl_easy_setopt(curl, CURLOPT_VERBOSE, config->conf&CONF_VERBOSE);
curl_easy_setopt(curl, CURLOPT_HEADER, config->conf&CONF_HEADER);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, config->conf&CONF_NOPROGRESS);
curl_easy_setopt(curl, CURLOPT_NOBODY, config->conf&CONF_NOBODY);
curl_easy_setopt(curl, CURLOPT_FAILONERROR,
config->conf&CONF_FAILONERROR);
curl_easy_setopt(curl, CURLOPT_UPLOAD, config->conf&CONF_UPLOAD);
curl_easy_setopt(curl, CURLOPT_FTPLISTONLY,
config->conf&CONF_FTPLISTONLY);
curl_easy_setopt(curl, CURLOPT_FTPAPPEND, config->conf&CONF_FTPAPPEND);
curl_easy_setopt(curl, CURLOPT_NETRC, config->conf&CONF_NETRC);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION,
config->conf&CONF_FOLLOWLOCATION);
curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, config->conf&CONF_GETTEXT);
curl_easy_setopt(curl, CURLOPT_MUTE, config->conf&CONF_MUTE);
curl_easy_setopt(curl, CURLOPT_USERPWD, config->userpwd);
curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
curl_easy_setopt(curl, CURLOPT_RANGE, config->range);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, config->timeout);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, config->postfields);
/* new in libcurl 7.2: */
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, config->postfieldsize);
curl_easy_setopt(curl, CURLOPT_REFERER, config->referer);
curl_easy_setopt(curl, CURLOPT_AUTOREFERER,
config->conf&CONF_AUTO_REFERER);
curl_easy_setopt(curl, CURLOPT_USERAGENT, config->useragent);
curl_easy_setopt(curl, CURLOPT_FTPPORT, config->ftpport);
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, config->low_speed_limit);
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
curl_easy_setopt(curl, CURLOPT_RESUME_FROM,
config->use_resume?config->resume_from:0);
curl_easy_setopt(curl, CURLOPT_COOKIE, config->cookie);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, config->headers);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, config->httppost);
curl_easy_setopt(curl, CURLOPT_SSLCERT, config->cert);
curl_easy_setopt(curl, CURLOPT_SSLCERTPASSWD, config->cert_passwd);
if(config->cacert) {
/* available from libcurl 7.5: */
curl_easy_setopt(curl, CURLOPT_CAINFO, config->cacert);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, TRUE);
}
if(config->conf&(CONF_NOBODY|CONF_USEREMOTETIME)) {
/* no body or use remote time */
/* new in 7.5 */
curl_easy_setopt(curl, CURLOPT_FILETIME, TRUE);
}
/* 7.5 news: */
if (config->maxredirs)
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
else
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, DEFAULT_MAXREDIRS);
curl_easy_setopt(curl, CURLOPT_CRLF, config->crlf);
curl_easy_setopt(curl, CURLOPT_QUOTE, config->quote);
curl_easy_setopt(curl, CURLOPT_POSTQUOTE, config->postquote);
curl_easy_setopt(curl, CURLOPT_WRITEHEADER,
config->headerfile?&heads:NULL);
curl_easy_setopt(curl, CURLOPT_COOKIEFILE, config->cookiefile);
curl_easy_setopt(curl, CURLOPT_SSLVERSION, config->ssl_version);
curl_easy_setopt(curl, CURLOPT_TIMECONDITION, config->timecond);
curl_easy_setopt(curl, CURLOPT_TIMEVALUE, config->condtime);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
curl_easy_setopt(curl, CURLOPT_STDERR, config->errors);
/* three new ones in libcurl 7.3: */
curl_easy_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel);
curl_easy_setopt(curl, CURLOPT_INTERFACE, config->iface);
curl_easy_setopt(curl, CURLOPT_KRB4LEVEL, config->krb4level);
if((config->progressmode == CURL_PROGRESS_BAR) &&
!(config->conf&(CONF_NOPROGRESS|CONF_MUTE))) {
/* we want the alternative style, then we have to implement it
ourselves! */
progressbarinit(&progressbar);
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, myprogress);
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &progressbar);
}
/* new in libcurl 7.6.2: */
curl_easy_setopt(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
/* new in libcurl 7.7: */
curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, config->random_file);
curl_easy_setopt(curl, CURLOPT_EGDSOCKET, config->egd_file);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, config->connecttimeout);
res = curl_easy_perform(curl);
if(config->writeout) {
ourWriteOut(curl, config->writeout);
}
if((res!=CURLE_OK) && config->showerror)
fprintf(config->errors, "curl: (%d) %s\n", res, errorbuffer);
if((config->errors != stderr) &&
(config->errors != stdout))
/* it wasn't directed to stdout or stderr so close the file! */
fclose(config->errors);
if(config->headerfile && !headerfilep && heads.stream)
fclose(heads.stream);
if(urlbuffer)
free(urlbuffer);
if (outfile && !strequal(outfile, "-") && outs.stream)
fclose(outs.stream);
if (config->infile)
fclose(infd);
if(headerfilep)
fclose(headerfilep);
if(url)
free(url);
if(outfile)
free(outfile);
}
if(outfiles)
free(outfiles);
if(urls)
/* cleanup memory used for URL globbing patterns */
glob_cleanup(urls);
/* empty this urlnode struct */
if(urlnode->url)
free(urlnode->url);
if(urlnode->outfile)
free(urlnode->outfile);
/* move on to the next URL */
nextnode=urlnode->next;
free(urlnode); /* free the node */
urlnode = nextnode;
} /* while-loop through all URLs */
if(allocuseragent)
free(config->useragent);
/* cleanup the curl handle! */
curl_easy_cleanup(curl);
main_free(); /* cleanup the winsock stuff for windows */
return res;
}
int main(int argc, char *argv[])
{
int res;
struct Configurable config;
memset(&config, 0, sizeof(struct Configurable));
res = operate(&config, argc, argv);
free_config_fields(&config);
return res;
}
static char *my_get_line(FILE *fp)
{
char buf[4096];
char *nl = NULL;
char *retval = NULL;
do
{
if (NULL == fgets(buf, sizeof(buf), fp))
break;
if (NULL == retval)
retval = strdup(buf);
else
{
if (NULL == (retval = realloc(retval,
strlen(retval) + strlen(buf) + 1)))
break;
strcat(retval, buf);
}
}
while (NULL == (nl = strchr(retval, '\n')));
if (NULL != nl)
*nl = '\0';
return retval;
}
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