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mirror of https://github.com/moparisthebest/curl synced 2024-11-11 12:05:06 -05:00
curl/src/main.c
2000-03-21 15:37:13 +00:00

1266 lines
34 KiB
C

/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Curl.
*
* The Initial Developer of the Original Code is Daniel Stenberg.
*
* Portions created by the Initial Developer are Copyright (C) 1998.
* All Rights Reserved.
*
* ------------------------------------------------------------
* Main author:
* - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
*
* http://curl.haxx.nu
*
* $Source$
* $Revision$
* $Date$
* $Author$
* $State$
* $Locker$
*
* ------------------------------------------------------------
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <ctype.h>
#include <curl/curl.h>
#include <curl/mprintf.h>
#include "../lib/getdate.h"
#ifdef GLOBURL
#include "urlglob.h"
#define CURLseparator "--_curl_--"
#define MIMEseparator "_curl_"
#endif
/* This is now designed to have its own local setup.h */
#include "setup.h"
#include "version.h"
#ifdef HAVE_IO_H /* typical win32 habit */
#include <io.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#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);
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");
}
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/--ftp-ascii Use ASCII transfer (F)\n"
" -c/--continue Resume a previous transfer where we left it\n"
" -C/--continue-at <offset> Specify absolute resume offset\n"
" -d/--data POST data (H)\n"
" -D/--dump-header <file> Write the headers to this file\n"
" -e/--referer Referer page (H)\n"
" -E/--cert <cert:passwd> Specifies your certificate file and password (HTTPS)\n"
" -f/--fail Fail silently (no output at all) on errors (H)\n"
" -F/--form <name=content> Specify HTTP POST data (H)\n"
" -h/--help This help text\n"
" -H/--header <line> Custom header to pass to server. (H)\n"
" -i/--include Include the HTTP-header in the output (H)\n"
" -I/--head Fetch document info only (HTTP HEAD/FTP SIZE)\n"
" -K/--config Specify which config file to read\n"
" -l/--list-only List only names of an FTP directory (F)\n"
" -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\n"
" -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"
#if 0
" -p/--port <port> Use port other than default for current protocol.\n"
#endif
" -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)\n"
" -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"
" -t/--upload Transfer/upload stdin to remote site\n"
" -T/--upload-file <file> Transfer/upload <file> to remote site\n"
" -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> Use proxy. (Default port is 1080)\n"
" -X/--request <command> Specific request command to use\n"
" -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"
" -2/--sslv2 Force usage of SSLv2 (H)\n"
" -3/--sslv3 Force usage of SSLv3 (H)\n"
" -#/--progress-bar Display transfer progress as a progress bar\n"
" --crlf Convert LF to CRLF in upload. Useful for MVS (OS/390)\n"
" --stderr <file> Where to redirect stderr. - means stdout.\n",
curl_version()
);
}
struct LongShort {
char *letter;
char *lname;
bool extraparam;
};
struct Configurable {
char *useragent;
char *cookie;
bool use_resume;
int resume_from;
char *postfields;
char *referer;
long timeout;
char *outfile;
char *headerfile;
char remotefile;
char *ftpport;
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;
long conf;
char *url;
char *cert;
char *cert_passwd;
bool crlf;
char *cookiefile;
char *customrequest;
bool progressmode;
bool nobuffer;
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 HttpHeader *headers;
struct HttpHeader *last_header;
struct HttpPost *httppost;
struct HttpPost *last_post;
};
static int parseconfig(char *filename,
struct Configurable *config);
static char *my_get_line(FILE *fp);
static char *my_get_token(const char *line);
static void GetStr(char **string,
char *value)
{
if(*string)
free(*string);
*string = strdup(value);
}
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 int 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 *parse=NULL;
int res;
struct HttpHeader *head;
int j;
time_t now;
int hit=-1;
/* single-letter,
long-name,
boolean whether it takes an additional argument
*/
struct LongShort aliases[]= {
{"9", "crlf", FALSE},
{"8", "stderr", TRUE},
{"2", "sslv2", FALSE},
{"3", "sslv3", FALSE},
{"a", "append", FALSE},
{"A", "user-agent", TRUE},
{"b", "cookie", TRUE},
{"B", "ftp-ascii", FALSE},
{"c", "continue", FALSE},
{"C", "continue-at", TRUE},
{"d", "data", TRUE},
{"D", "dump-header", TRUE},
{"e", "referer", TRUE},
{"E", "cert", TRUE},
{"f", "fail", FALSE},
{"F", "form", TRUE},
{"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},
#if 0
{"p", "port", TRUE},
#endif
{"P", "ftpport", TRUE},
{"q", "disable", FALSE},
{"Q", "quote", TRUE},
{"r", "range", TRUE},
{"s", "silent", FALSE},
{"S", "show-error", FALSE},
{"t", "upload", FALSE},
{"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},
{"#", "progress-bar",FALSE},
};
if('-' == flag[0]) {
/* try a long name */
int fnam=strlen(&flag[1]);
for(j=0; j< sizeof(aliases)/sizeof(aliases[0]); j++) {
if(strnequal(aliases[j].lname, &flag[1], fnam)) {
if(strequal(aliases[j].lname, &flag[1])) {
parse = aliases[j].letter;
hit = j;
break;
}
if(parse) {
/* this is the second match, we can't continue! */
helpf("option --%s is ambiguous\n", &flag[1]);
return URG_FAILED_INIT;
}
parse = aliases[j].letter;
hit = j;
}
}
if(hit < 0) {
helpf("unknown option -%s.\n", flag);
return URG_FAILED_INIT;
}
}
else {
hit=-1;
parse = flag;
}
do {
/* we can loop here if we have multiple single-letters */
letter = parse?*parse:'\0';
*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) {
hit = j;
break;
}
}
if(hit < 0) {
helpf("unknown option -%c.\n", letter);
return URG_FAILED_INIT;
}
}
if(hit < 0) {
helpf("unknown option -%c.\n", letter);
return URG_FAILED_INIT;
}
if(!nextarg && aliases[hit].extraparam) {
helpf("option -%s/--%s requires an extra argument!\n",
aliases[hit].letter,
aliases[hit].lname);
return URG_FAILED_INIT;
}
else if(nextarg && aliases[hit].extraparam)
*usedarg = TRUE; /* mark it as used */
switch(letter) {
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=get_date(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 '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 '#': /* 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 type ASCII when transfering ftp files */
config->conf ^= CONF_FTPASCII;
break;
case 'c':
/* This makes us continue an ftp transfer */
config->use_resume^=TRUE;
break;
case 'C':
/* This makes us continue an ftp transfer at given position */
config->resume_from= atoi(nextarg);
config->use_resume=TRUE;
break;
case 'd':
/* postfield data */
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->postfields = file2string(file);
if(file && (file != stdin))
fclose(stdin);
}
else {
GetStr(&config->postfields, nextarg);
}
if(config->postfields)
config->conf |= CONF_POST;
break;
case 'D':
/* dump-header to given file name */
GetStr(&config->headerfile, nextarg);
break;
case 'e':
GetStr(&config->referer, nextarg);
config->conf |= CONF_REFERER;
break;
case 'E':
{
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 URG_FAILED_INIT;
config->conf |= CONF_HTTPPOST; /* no toggle, OR! */
break;
case 'h': /* h for help */
help();
return URG_FAILED_INIT;
case 'H':
head = (struct HttpHeader *)malloc(sizeof(struct HttpHeader));
if(head) {
head->next = NULL;
head->header = NULL; /* first zero this */
GetStr(&head->header, nextarg); /* now get the header line */
/* point on our new one */
if(config->last_header)
config->last_header->next = head;
else {
config->headers = head;
}
config->last_header = head;
}
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 */
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 URG_FAILED_INIT;
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':
/* output file */
GetStr(&config->outfile, nextarg); /* write to this file */
break;
case 'O':
/* output file */
config->remotefile ^= TRUE;
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!
*/
config->conf |= CONF_FTPPORT;
GetStr(&config->ftpport, nextarg);
break;
#if 0
case 'p':
/* specified port */
fputs("You've used the -p option, it will be removed in a future version\n",
stderr);
config->porttouse = atoi(nextarg);
config->conf |= CONF_PORT; /* changed port */
break;
#endif
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);
config->conf |= CONF_RANGE;
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':
/* we are uploading */
config->conf ^= CONF_UPLOAD;
break;
case 'T':
/* we are uploading */
config->conf |= CONF_UPLOAD;
GetStr(&config->infile, nextarg);
break;
case 'u':
/* user:password */
GetStr(&config->userpwd, nextarg);
config->conf |= CONF_USERPWD;
break;
case 'U':
/* Proxy user:password */
GetStr(&config->proxyuserpwd, nextarg);
config->conf |= CONF_PROXYUSERPWD;
break;
case 'v':
config->conf ^= CONF_VERBOSE; /* talk a lot */
break;
case 'V':
printf(CURL_ID "%s\n", curl_version());
return URG_FAILED_INIT;
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 */
if(!*nextarg) {
/* disable proxy when no proxy is given */
config->conf &= ~CONF_PROXY;
}
else {
config->conf |= CONF_PROXY;
GetStr(&config->proxy, nextarg);
}
break;
case 'X':
/* HTTP request */
GetStr(&config->customrequest, nextarg);
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;
default: /* unknown flag */
if(letter)
helpf("Unknown option '%c'\n", letter);
else
helpf("Unknown option\n"); /* short help blurb */
return URG_FAILED_INIT;
}
hit = -1;
} while(*++parse && !*usedarg);
return URG_OK;
}
static int parseconfig(char *filename,
struct Configurable *config)
{
int res;
FILE *file;
char configbuffer[4096];
char filebuffer[256];
bool usedarg;
if(!filename || !*filename) {
/* NULL or no file name attempts to load .curlrc from the homedir! */
#define CURLRC DOT_CHAR "curlrc"
char *home = curl_GetEnv("HOME"); /* portable environment reader */
if(!home || (strlen(home)>(sizeof(filebuffer)-strlen(CURLRC))))
return URG_OK;
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 *tok1;
char *tok2;
while (NULL != (line = my_get_line(file)))
{
/* lines with # in the fist column is a comment! */
if ('#' == line[0])
{
free(line);
continue;
}
if (NULL == (tok1 = my_get_token(line)))
{
free(line);
continue;
}
if ('-' != tok1[0])
{
if (config->url)
free(config->url);
config->url = tok1;
}
while ((NULL != tok1) && ('-' == tok1[0]))
{
tok2 = my_get_token(NULL);
while (NULL == tok2)
{
free(line);
if (NULL == (line = my_get_line(file)))
break;
if ('#' == line[0])
continue;
tok2 = my_get_token(line);
}
res = getparameter(tok1 + 1, tok2, &usedarg, config);
free(tok1);
if (!usedarg)
tok1 = tok2;
else
{
free(tok2);
break;
}
}
free(line);
}
if(file != stdin)
fclose(file);
}
return URG_OK;
}
struct OutStruct {
char *filename;
FILE *stream;
};
/* having this global is a bit dirty, but hey, who said we weren't? ;-) */
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(config.nobuffer) {
/* disable output buffering */
#ifdef HAVE_SETVBUF
setvbuf(out->stream, NULL, _IONBF, 0);
#endif
}
}
return fwrite(buffer, size, nmemb, out->stream);
}
int main(int argc, char *argv[])
{
char errorbuffer[URLGET_ERROR_SIZE];
struct OutStruct outs;
struct OutStruct heads;
char *url = NULL;
#ifdef GLOBURL
URLGlob *urls;
int urlnum;
char *outfiles = NULL;
int separator = 0;
#endif
FILE *infd = stdin;
FILE *headerfilep = NULL;
char *urlbuffer=NULL;
int infilesize=-1; /* -1 means unknown */
bool stillflags=TRUE;
int res=URG_OK;
int i;
outs.stream = stdout;
#ifdef __EMX__
/* 20000318 mgs
* we call _fsetmode to fix the problem with fwrite converting newline
* characters (you get mangled text files, and corrupted binary files when
* you download to stdout and redirect it to a file). */
_fsetmode(stdout, "b");
#endif
memset(&config, 0, sizeof(struct Configurable));
/* set non-zero default values: */
config.useragent= maprintf(CURL_NAME "/" CURL_VERSION " (" OS ") "
"%s", curl_version());
config.showerror=TRUE;
config.conf=CONF_DEFAULT;
#if 0
config.crlf=FALSE;
config.quote=NULL;
#endif
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!
*/
#if 0
fprintf(stderr, "I TURNED OFF THE CRAP\n");
#endif
;
}
else {
res = parseconfig(NULL, &config);
if(res)
return res;
}
if ((argc < 2) && !config.url) {
helpf(NULL);
return URG_FAILED_INIT;
}
/* Parse options */
for (i = 1; i < argc; i++) {
if(stillflags &&
('-' == argv[i][0])) {
char *nextarg;
bool passarg;
char *flag = &argv[i][1];
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)
return res;
if(passarg) /* we're supposed to skip this */
i++;
}
}
else {
if(url) {
helpf("only one URL is supported!\n");
return URG_FAILED_INIT;
}
url = argv[i];
}
}
/* if no URL was specified and there was one in the config file, get that
one */
if(!url && config.url)
url = config.url;
if(!url) {
helpf("no URL specified!\n");
return URG_FAILED_INIT;
}
#if 0
fprintf(stderr, "URL: %s PROXY: %s\n", url, config.proxy?config.proxy:"none");
#endif
#ifdef GLOBURL
urlnum = glob_url(&urls, url); /* expand '{...}' and '[...]' expressions and return
total number of URLs in pattern set */
outfiles = config.outfile; /* save outfile pattern befor expansion */
if (!outfiles && !config.remotefile && urlnum > 1) {
#ifdef CURL_SEPARATORS
/* multiple files extracted to stdout, insert separators! */
separator = 1;
#endif
#ifdef MIME_SEPARATORS
/* multiple files extracted to stdout, insert MIME separators! */
separator = 1;
printf("MIME-Version: 1.0\n");
printf("Content-Type: multipart/mixed; boundary=%s\n\n", MIMEseparator);
#endif
}
for (i = 0; (url = next_url(urls)); ++i) {
if (outfiles)
config.outfile = strdup(outfiles);
#endif
if(config.outfile && config.infile) {
helpf("you can't both upload and download!\n");
return URG_FAILED_INIT;
}
if (config.outfile || config.remotefile) {
/*
* We have specified a file name to store the result in, or we have
* decided we want to use the remote file name.
*/
if(config.remotefile) {
/* Find and get the remote file name */
config.outfile=strstr(url, "://");
if(config.outfile)
config.outfile+=3;
else
config.outfile=url;
config.outfile = strrchr(config.outfile, '/');
if(!config.outfile || !strlen(++config.outfile)) {
helpf("Remote file name has no length!\n");
return URG_WRITE_ERROR;
}
}
#ifdef GLOBURL
else /* fill '#1' ... '#9' terms from URL pattern */
config.outfile = match_url(config.outfile, *urls);
#endif
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(config.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(config.outfile, config.resume_from?"ab":"wb");
if (!outs.stream) {
helpf("Can't open '%s'!\n", config.outfile);
return URG_WRITE_ERROR;
}
}
else {
outs.filename = config.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 URG_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 URG_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;
}
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;
#ifdef GLOBURL
if (urlnum > 1) {
fprintf(stderr, "\n[%d/%d]: %s --> %s\n", i+1, urlnum, url, config.outfile ? config.outfile : "<stdout>");
if (separator) {
#ifdef CURL_SEPARATORS
printf("%s%s\n", CURLseparator, url);
#endif
#ifdef MIME_SEPARATORS
printf("--%s\n", MIMEseparator);
printf("Content-ID: %s\n\n", url);
#endif
}
}
#endif
if(!config.errors)
config.errors = stderr;
res = curl_urlget(URGTAG_FILE, (FILE *)&outs, /* where to store */
URGTAG_WRITEFUNCTION, my_fwrite, /* what call to write */
URGTAG_INFILE, infd, /* for uploads */
URGTAG_INFILESIZE, infilesize, /* size of uploaded file */
URGTAG_URL, url, /* what to fetch */
URGTAG_PROXY, config.proxy, /* proxy to use */
URGTAG_FLAGS, config.conf, /* flags */
URGTAG_USERPWD, config.userpwd, /* user + passwd */
URGTAG_PROXYUSERPWD, config.proxyuserpwd, /* Proxy user + passwd */
URGTAG_RANGE, config.range, /* range of document */
URGTAG_ERRORBUFFER, errorbuffer,
URGTAG_TIMEOUT, config.timeout,
URGTAG_POSTFIELDS, config.postfields,
URGTAG_REFERER, config.referer,
URGTAG_USERAGENT, config.useragent,
URGTAG_FTPPORT, config.ftpport,
URGTAG_LOW_SPEED_LIMIT, config.low_speed_limit,
URGTAG_LOW_SPEED_TIME, config.low_speed_time,
URGTAG_RESUME_FROM, config.use_resume?config.resume_from:0,
URGTAG_COOKIE, config.cookie,
URGTAG_HTTPHEADER, config.headers,
URGTAG_HTTPPOST, config.httppost,
URGTAG_SSLCERT, config.cert,
URGTAG_SSLCERTPASSWD, config.cert_passwd,
URGTAG_CRLF, config.crlf,
URGTAG_QUOTE, config.quote,
URGTAG_POSTQUOTE, config.postquote,
URGTAG_WRITEHEADER, config.headerfile?&heads:NULL,
URGTAG_COOKIEFILE, config.cookiefile,
URGTAG_SSLVERSION, config.ssl_version,
URGTAG_TIMECONDITION, config.timecond,
URGTAG_TIMEVALUE, config.condtime,
URGTAG_CUSTOMREQUEST, config.customrequest,
URGTAG_STDERR, config.errors,
URGTAG_PROGRESSMODE, config.progressmode,
URGTAG_WRITEINFO, config.writeout,
URGTAG_DONE); /* always terminate the list of tags */
if((res!=URG_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 (config.outfile && outs.stream)
fclose(outs.stream);
if (config.infile)
fclose(infd);
if(headerfilep)
fclose(headerfilep);
if(config.url)
free(config.url);
#ifdef GLOBURL
if(url)
free(url);
if(config.outfile && !config.remotefile)
free(config.outfile);
}
#ifdef MIME_SEPARATORS
if (separator)
printf("--%s--\n", MIMEseparator);
#endif
#endif
curl_slist_free_all(config.quote); /* the checks for config.quote == NULL */
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;
}
static char *my_get_token(const char *line)
{
static const char *save = NULL;
const char *first = NULL;
const char *last = NULL;
char *retval = NULL;
size_t size;
if (NULL == line)
line = save;
if (NULL == line)
return NULL;
while (('\0' != *line) && (isspace(*line)))
line++;
first = line;
while (('\0' != *line) && (!isspace(*line)))
line++;
save = line;
while ('\0' != *line)
line++;
last = line;
size = last - first;
if (0 == size)
return NULL;
if (NULL == (retval = malloc(size + 1)))
return NULL;
memcpy(retval, first, size);
retval[size] = '\0';
return retval;
}