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#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "substdio.h"
#include "timeoutwrite.h"
#include "error.h"
#include "exit.h"
#include "direntry.h"
#include "fmt.h"
#include "fetch.h"
int fetch_ascii = 1;
unsigned long fetch_rest = 0;
static char inbuf[1024];
static char ssbuf[1024];
static substdio ss;
static int trouble;
static time_t now;
static struct stat st;
static char strnum[FMT_ULONG];
static int datawrite(int fd,char *buf,int len)
{
int w;
if (trouble) return -1;
if (fetch_rest) {
if (len > fetch_rest) len = fetch_rest;
fetch_rest -= len;
return len;
}
w = timeoutwrite(60,fd,buf,len);
if (w == -1) if (errno != error_intr) trouble = errno;
return w;
}
static void printstat()
{
substdio_puts(&ss,"+i");
substdio_put(&ss,strnum,fmt_ulong(strnum,(unsigned long) st.st_dev));
substdio_puts(&ss,".");
substdio_put(&ss,strnum,fmt_ulong(strnum,(unsigned long) st.st_ino));
if (st.st_mtime > 0)
if (st.st_mtime < now - 60) {
substdio_puts(&ss,",m");
substdio_put(&ss,strnum,fmt_ulong(strnum,(unsigned long) st.st_mtime));
}
if ((st.st_mode & S_IFMT) == S_IFDIR)
substdio_puts(&ss,",/");
if (((st.st_mode & S_IFMT) == S_IFREG) && ((st.st_mode & 0444) == 0444)) {
substdio_puts(&ss,",r,s");
substdio_put(&ss,strnum,fmt_ulong(strnum,(unsigned long) st.st_size));
}
substdio_puts(&ss,",\t");
}
static void list(char *fn,int flaglong)
{
int i;
if (fn[0] == '.') return;
for (i = 0;fn[i];++i) {
if ((fn[i] >= 0) && (fn[i] <= 32)) return;
if (fn[i] == '~') return;
}
if (flaglong) {
if (stat(fn,&st) == -1) {
if (error_temp(errno)) _exit(23);
return;
}
printstat(&st);
}
substdio_puts(&ss,fn);
substdio_puts(&ss,"\r\n");
}
static int doit(char *fn,int fddata,int fdfile,int how)
{
DIR *dir;
direntry *d;
int r;
int i;
substdio_fdbuf(&ss,datawrite,fddata,ssbuf,sizeof ssbuf);
switch(how) {
case FETCH_LISTONE:
if (fstat(fdfile,&st) == -1) break;
printstat(&st);
for (i = 0;fn[i];++i)
if (fn[i] == '\n')
substdio_put(&ss,"",1);
else
substdio_put(&ss,&fn[i],1);
substdio_puts(&ss,"\r\n");
break;
case FETCH_LIST:
case FETCH_NLST:
if (fchdir(fdfile) == -1) {
trouble = errno;
return;
}
dir = opendir(".");
if (!dir) _exit(23); /* XXX: could be out of memory */
while (d = readdir(dir)) /* XXX: temporary errors */
list(d->d_name,how == FETCH_LIST);
closedir(dir);
break;
default:
for (;;) {
r = read(fdfile,inbuf,sizeof inbuf);
if (r == -1) {
if (errno = error_intr) continue;
_exit(23);
}
if (r == 0)
break;
if (!fetch_ascii)
substdio_put(&ss,inbuf,r);
else
for (i = 0;i < r;++i) {
if (inbuf[i] == '\n')
substdio_put(&ss,"\r",1);
substdio_put(&ss,inbuf + i,1);
}
}
break;
}
substdio_flush(&ss);
}
void fetch(char *fn,int fddata,int fdfile,int how)
{
int fdcurrent;
time(&now);
fdcurrent = open_read(".");
if (fdcurrent == -1) _exit(23);
trouble = 0;
doit(fn,fddata,fdfile,how);
close(fddata);
close(fdfile);
if (!trouble)
out_puts("226 Success.\r\n");
else {
out_puts("426 Transmission failure: ");
out_puts(error_str(trouble));
out_puts("\r\n");
}
if (fchdir(fdcurrent) == -1) _exit(23);
close(fdcurrent);
fetch_rest = 0;
}
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