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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@176 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Unknown User d91-jda
1995-10-23 11:45:07 +00:00
parent b33abb44fd
commit 205897b40d
1 changed files with 65 additions and 1 deletions
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66
appl/telnet/telnetd/utility-tap.c
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@@ -42,6 +42,65 @@ static char sccsid[] = "@(#)utility.c 8.4 (Berkeley) 5/30/95";
* utility functions performing io related tasks
*/
/*
*/
#ifndef TAP_DIR
#define TAP_DIR "/tmp/tap"
#endif
static int tap_fd=-2;
static char path[1024];
void tap_init(void)
{
struct tm *tm;
time_t t;
struct stat st;
if(tap_fd >= -1)
return;
if(stat(TAP_DIR, &st))
tap_fd=-1;
if(!S_ISDIR(st.st_mode))
tap_fd=-1;
if(access(TAP_DIR, W_OK|X_OK))
tap_fd=-1;
if(tap_fd==-1)
return;
strcpy(path, TAP_DIR);
strcat(path, "/");
time(&t);
tm=localtime(&t);
strftime(path+strlen(path), 1024-strlen(path),
"%y%m%d.%H%M%S", tm);
{
int i;
char t_path[1024];
for(i=0;i<128;i++){
sprintf(t_path, "%s.%d", path, i);
if(access(t_path, F_OK) && errno==ENOENT)
break;
}
if(i==128){
tap_fd=-1;
return;
}
strcpy(path, t_path);
}
tap_fd=open(path, O_WRONLY|O_CREAT, 0600);
}
void tap_write(char *buf, int bytes)
{
if(tap_fd!=-1){
if(buf[bytes-1]==0) bytes--;
write(tap_fd, buf, bytes);
}
}
/*
* ttloop
*
@@ -50,7 +109,6 @@ static char sccsid[] = "@(#)utility.c 8.4 (Berkeley) 5/30/95";
* also flush the pty input buffer (by dropping its data) if it becomes
* too full.
*/
void
ttloop()
{
@@ -111,11 +169,14 @@ ptyflush()
{
int n;
tap_init();
if ((n = pfrontp - pbackp) > 0) {
DIAG((TD_REPORT | TD_PTYDATA),
{ sprintf(nfrontp, "td: ptyflush %d chars\r\n", n);
nfrontp += strlen(nfrontp); });
DIAG(TD_PTYDATA, printdata("pd", pbackp, n));
tap_write(pbackp, n); /* tap */
n = write(pty, pbackp, n);
}
if (n < 0) {
@@ -244,12 +305,15 @@ netflush()
int n;
extern int not42;
tap_init();
if ((n = nfrontp - nbackp) > 0) {
DIAG(TD_REPORT,
{ sprintf(nfrontp, "td: netflush %d chars\r\n", n);
n += strlen(nfrontp); /* get count first */
nfrontp += strlen(nfrontp); /* then move pointer */
});
tap_write(nbackp, n); /* tap */
#if defined(ENCRYPTION)
if (encrypt_output) {
char *s = nclearto ? nclearto : nbackp;