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Extend message format to user@offset[:file]

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Obtained from: FreeBSD 1.x
This commit is contained in:
Andrey A. Chernov 1994-10-15 17:39:23 +00:00
parent 2d5d3e2ca3
commit 87fe4a3ae4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3618
2 changed files with 42 additions and 11 deletions
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8
libexec/comsat/comsat.8
View file

@ -53,7 +53,7 @@ and
.Xr inetd 8 ) .
The one line messages are of the form:
.Pp
.Dl user@mailbox-offset
.Dl user@mailbox-offset[:mailbox-name]
.Pp
If the
.Em user
@ -72,10 +72,14 @@ the message header other than the
or
.Dq Subject
lines are not included in the displayed message.
.Pp
If mailbox-name omitted, standard mailbox assumed.
.Sh FILES
.Bl -tag -width /var/run/utmp -compact
.Bl -tag -width /var/mail/user -compact
.It Pa /var/run/utmp
to find out who's logged on and on what terminals
.It Pa /var/mail/user
standard mailbox
.El
.Sh SEE ALSO
.Xr biff 1 ,

45
libexec/comsat/comsat.c
View file

@ -75,7 +75,7 @@ int nutmp, uf;
void jkfprintf __P((FILE *, char[], off_t));
void mailfor __P((char *));
void notify __P((struct utmp *, off_t));
void notify __P((struct utmp *, char[], off_t, int));
void onalrm __P((int));
void reapchildren __P((int));
@ -87,7 +87,7 @@ main(argc, argv)
struct sockaddr_in from;
register int cc;
int fromlen;
char msgbuf[100];
char msgbuf[256];
/* verify proper invocation */
fromlen = sizeof(from);
@ -170,23 +170,39 @@ mailfor(name)
{
register struct utmp *utp = &utmp[nutmp];
register char *cp;
char *file;
off_t offset;
int folder;
char buf[sizeof(_PATH_MAILDIR) + sizeof(utmp[0].ut_name) + 1];
char buf2[sizeof(_PATH_MAILDIR) + sizeof(utmp[0].ut_name) + 1];
if (!(cp = strchr(name, '@')))
return;
*cp = '\0';
offset = atoi(cp + 1);
if (!(cp = strchr(cp + 1, ':')))
file = name;
else
file = cp + 1;
sprintf(buf, "%s/%.*s", _PATH_MAILDIR, sizeof(utmp[0].ut_name), name);
if (*file != '/') {
sprintf(buf2, "%s/%.*s", _PATH_MAILDIR, sizeof(utmp[0].ut_name), file);
file = buf2;
}
folder = strcmp(buf, file);
while (--utp >= utmp)
if (!strncmp(utp->ut_name, name, sizeof(utmp[0].ut_name)))
notify(utp, offset);
notify(utp, file, offset, folder);
}
static char *cr;
void
notify(utp, offset)
notify(utp, file, offset, folder)
register struct utmp *utp;
char file[];
off_t offset;
int folder;
{
FILE *tp;
struct stat stb;
@ -218,9 +234,11 @@ notify(utp, offset)
"\n" : "\n\r";
(void)strncpy(name, utp->ut_name, sizeof(utp->ut_name));
name[sizeof(name) - 1] = '\0';
(void)fprintf(tp, "%s\007New mail for %s@%.*s\007 has arrived:%s----%s",
cr, name, (int)sizeof(hostname), hostname, cr, cr);
jkfprintf(tp, name, offset);
(void)fprintf(tp, "%s\007New mail for %s@%.*s\007 has arrived%s%s%s:%s----%s",
cr, name, (int)sizeof(hostname), hostname,
folder ? cr : "", folder ? "to " : "", folder ? file : "",
cr, cr);
jkfprintf(tp, file, offset);
(void)fclose(tp);
_exit(0);
}
@ -271,9 +289,18 @@ jkfprintf(tp, name, offset)
}
/* strip weird stuff so can't trojan horse stupid terminals */
for (cp = line; (ch = *cp) && ch != '\n'; ++cp, --charcnt) {
ch = toascii(ch);
if (!isprint(ch) && !isspace(ch))
if (!isprint(ch)) {
if (ch & 0x80)
(void)fputs("M-", tp);
ch &= 0177;
if (!isprint(ch)) {
if (ch == 0177)
ch = '?';
else
ch |= 0x40;
(void)fputc('^', tp);
}
}
(void)fputc(ch, tp);
}
(void)fputs(cr, tp);