/* create a connection for given file/URL */
int cache_connect(Connection *cnx, const char *file, const char *url,
char *firstblock, unsigned int size) {
char buffer[4096], *cvt;
mylog("cache_connect(%p, %s, %s)\n", cnx, file, url);
cvt = wget_encode(url, file);
sprintf(buffer, "%s", cvt);
/* create CURL connection (checks validity) */
if (!wget_connect(buffer, cnx, firstblock, size)) {
mylog("cache_connect: wget_connect(%s, -) failed\n", buffer);
return(0);
}
mylog("cache_connect: wget_connect ok\n");
cnx->target = strdup(buffer);
if (cnx->target == NULL) {
mylog("cache_connect: failed to copy target name");
wget_disconnect(cnx); /* not needed, but... */
return(0);
}
cnx->type = CNX_URL;
cnx->data = NULL; /* not used */
cnx->idata = 0; /* not used */
return(1);
}
int wget(const char *url, int redirect_no)
{
extern struct cfg global_cfg;
struct wgetfile finfo;
int ret;
char *outname = NULL;
char *host, *file, *proto, *port;
char *urlcpy = alloca(strlen(url) + 2);
strcpy(urlcpy, url);
memset(&finfo, 0, sizeof finfo);
finfo.redirect_no = redirect_no;
if(!strchr(urlcpy, '/'))
strcat(urlcpy, "/");
if(parseurl(url, &host, &file, &proto, &port))
return 1;
if(!host || !port){
output_err(OUT_ERR, "invalid url \"%s\"", url);
goto bail;
}
if( !strcmp(proto, "http")) finfo.proto = HTTP;
else if(!strcmp(proto, "ftp")) finfo.proto = FTP;
else if(!strcmp(proto, "gopher")) finfo.proto = GOPHER;
else{
ret = 1;
output_err(OUT_ERR, "unknown protocol: %s", proto);
goto bail;
}
free(proto);
if(global_cfg.out_fname){
if(!strcmp(global_cfg.out_fname, "-"))
outname = NULL;
else
outname = xstrdup(global_cfg.out_fname);
finfo.namemode = NAME_FORCE;
}else{
char *the_last_slash_rated_pg_for_parental_guidance;
the_last_slash_rated_pg_for_parental_guidance = strrchr(file, '/');
if(the_last_slash_rated_pg_for_parental_guidance)
outname = xstrdup(the_last_slash_rated_pg_for_parental_guidance + 1);
else
outname = xstrdup(file);
finfo.namemode = NAME_GUESS;
/* TODO: urldecode outname (except for %3f) */
}
finfo.sock = -1;
finfo.host_file = file;
finfo.host_name = host;
finfo.host_port = port;
finfo.outname = outname;
if(wget_connect(&finfo))
goto bail;
switch(finfo.proto) {
default:
case HTTP:
ret = http_GET(&finfo);
break;
case FTP:
ret = ftp_RETR(&finfo);
break;
case GOPHER:
ret = gopher_retrieve(&finfo);
break;
}
fin:
/* don't close the connection - let connection_* handle it */
/* free the struct's members, since they might be changed */
free(finfo.host_file);
free(finfo.host_name);
free(finfo.host_port);
free(finfo.outname );
return ret;
bail:
ret = 1;
goto fin;
}
