int
main(int argc, char **argv)
{
int envargc, argcnt;
char *envargv[3];
struct passwd *pw;
static char myname[] = "finger";
if (getuid() == 0 || geteuid() == 0) {
invoker_root = 1;
if ((pw = getpwnam(UNPRIV_NAME)) && pw->pw_uid > 0) {
if (setgid(pw->pw_gid) != 0)
err(1, "setgid()");
if (setuid(pw->pw_uid) != 0)
err(1, "setuid()");
} else {
if (setgid(UNPRIV_UGID) != 0)
err(1, "setgid()");
if (setuid(UNPRIV_UGID) != 0)
err(1, "setuid()");
}
}
(void) setlocale(LC_ALL, "");
/* remove this line to get remote host */
oflag = 1; /* default to old "office" behavior */
/*
* Process environment variables followed by command line arguments.
*/
if ((envargv[1] = getenv("FINGER"))) {
envargc = 2;
envargv[0] = myname;
envargv[2] = NULL;
(void) option(envargc, envargv);
}
argcnt = option(argc, argv);
argc -= argcnt;
argv += argcnt;
(void)time(&now);
setpassent(1);
if (!*argv) {
/*
* Assign explicit "small" format if no names given and -l
* not selected. Force the -s BEFORE we get names so proper
* screening will be done.
*/
if (!lflag)
sflag = 1; /* if -l not explicit, force -s */
loginlist();
if (entries == 0)
(void)printf("No one logged on.\n");
} else {
userlist(argc, argv);
/*
* Assign explicit "large" format if names given and -s not
* explicitly stated. Force the -l AFTER we get names so any
* remote finger attempts specified won't be mishandled.
*/
if (!sflag)
lflag = 1; /* if -s not explicit, force -l */
}
if (entries) {
if (lflag)
lflag_print();
else
sflag_print();
}
return (0);
}
int
main(int argc, char **argv)
{
int ch;
/* Allow user's locale settings to affect character output. */
setlocale(LC_CTYPE, "");
/*
* Reset back to the C locale, unless we are using a known
* single-byte 8-bit locale.
*/
if (strncmp(nl_langinfo(CODESET), "ISO8859-", 8))
setlocale(LC_CTYPE, "C");
oflag = 1; /* default to old "office" behavior */
while ((ch = getopt(argc, argv, "lmpshog8")) != -1)
switch(ch) {
case 'l':
lflag = 1; /* long format */
break;
case 'm':
mflag = 1; /* force exact match of names */
break;
case 'p':
pplan = 1; /* don't show .plan/.project */
break;
case 's':
sflag = 1; /* short format */
break;
case 'h':
oflag = 0; /* remote host info */
break;
case 'o':
oflag = 1; /* office info */
break;
case 'g':
gflag = 1; /* no gecos info, besides name */
break;
case '8':
eightflag = 1; /* 8-bit pass-through */
break;
case '?':
default:
(void)fprintf(stderr,
"usage: finger [-lmpshog8] [login ...]\n");
exit(1);
}
argc -= optind;
argv += optind;
(void)time(&now);
setpassent(1);
entries = getutentries(NULL, &ehead);
if (argc == 0) {
/*
* Assign explicit "small" format if no names given and -l
* not selected. Force the -s BEFORE we get names so proper
* screening will be done.
*/
if (!lflag)
sflag = 1; /* if -l not explicit, force -s */
loginlist();
if (entries == 0)
(void)printf("No one logged on.\n");
} else {
userlist(argc, argv);
/*
* Assign explicit "large" format if names given and -s not
* explicitly stated. Force the -l AFTER we get names so any
* remote finger attempts specified won't be mishandled.
*/
if (!sflag)
lflag = 1; /* if -s not explicit, force -l */
}
if (entries) {
if (lflag)
lflag_print();
else
sflag_print();
}
return (0);
}
