/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
* specifies the terms and conditions for redistribution.
*/
-#ifndef lint
-char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static char sccsid[] = "@(#)login.c 5.15 (Berkeley) 4/12/86";
-#endif /* not lint */
-
/*
* login [ name ]
* login -r hostname (for rlogind)
* login -h hostname (for telnetd, etc.)
*/
+#include <afsconfig.h>
#include <afs/param.h>
-#if !defined(AFS_SUN_ENV) && !defined(AFS_AIX_ENV) && !defined(AFS_HPUX_ENV) && !defined(AFS_SGI_ENV) && !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) &&!defined(AFS_FBSD_ENV)
-#include <sys/param.h>
+
+#include <roken.h>
+
+#if !defined(AFS_SUN_ENV) && !defined(AFS_AIX_ENV) && !defined(AFS_HPUX_ENV) && !defined(AFS_SGI_ENV) && !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
#define quota(a,b,c,d) 0
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/file.h>
#include <afs/afsutil.h>
#include <sgtty.h>
#include <utmp.h>
-#include <signal.h>
-#include <pwd.h>
-#include <stdio.h>
#include <lastlog.h>
-#include <errno.h>
#include <ttyent.h>
-
-#include <syslog.h>
-
-#include <grp.h>
-
static gid_t tty_gid(int default_gid);
-static void getloginname(register struct utmp *up);
+static void getloginname(struct utmp *up);
-#define TTYGRPNAME "tty" /* name of group to own ttys */
+#define TTYGRPNAME "tty" /* name of group to own ttys */
#define TTYGID(gid) tty_gid(gid) /* gid that owns all ttys */
#define SCMPN(a, b) strncmp(a, b, sizeof(a))
#define FALSE 0
#define TRUE -1
-char nolog[] = "/etc/nologin";
-char qlog[] = ".hushlogin";
-char maildir[30] = "/usr/spool/mail/";
-char lastlog[] = "/usr/adm/lastlog";
-struct passwd nouser;
-struct sgttyb ttyb;
-struct utmp utmp;
-char minusnam[16] = "-";
-char *envinit[] = { 0 }; /* now set by setenv calls */
+char nolog[] = "/etc/nologin";
+char qlog[] = ".hushlogin";
+char maildir[30] = "/usr/spool/mail/";
+char lastlog[] = "/usr/adm/lastlog";
+struct passwd nouser;
+struct sgttyb ttyb;
+struct utmp utmp;
+char minusnam[16] = "-";
+char *envinit[] = { 0 }; /* now set by setenv calls */
+
/*
* This bounds the time given to login. We initialize it here
* so it can be patched on machines where it's too small.
*/
-int timeout = 60;
+int timeout = 60;
-char term[64];
+char term[64];
-struct passwd *pwd;
-char *strcat(), *rindex(), *index(), *malloc(), *realloc();
+struct passwd *pwd;
+char *strcat(), *malloc(), *realloc();
static void timedout(void);
static void showmotd(void);
static void doremoteterm(char *term, struct sgttyb *tp);
static void setenv(char *var, char *value, int clobber);
-char *ttyname();
-char *crypt();
-char *getpass();
-char *stypeof();
-extern char **environ;
+char *ttyname();
+char *crypt();
+char *getpass();
+char *stypeof();
+extern char **environ;
-struct tchars tc = {
- CINTR, CQUIT, CSTART, CSTOP, CEOT, CBRK
+struct tchars tc = {
+ CINTR, CQUIT, CSTART, CSTOP, CEOT, CBRK
};
-struct ltchars ltc = {
- CSUSP, CDSUSP, CRPRNT, CFLUSH, CWERASE, CLNEXT
+struct ltchars ltc = {
+ CSUSP, CDSUSP, CRPRNT, CFLUSH, CWERASE, CLNEXT
};
struct winsize win = { 0, 0, 0, 0 };
-int rflag;
-int usererr = -1;
-char rusername[NMAX+1], lusername[NMAX+1];
-char rpassword[NMAX+1];
-char name[NMAX+1];
-char *rhost;
+int rflag;
+int usererr = -1;
+char rusername[NMAX + 1], lusername[NMAX + 1];
+char rpassword[NMAX + 1];
+char name[NMAX + 1];
+char *rhost;
-int osi_audit(void)
+int
+osi_audit(void)
{
/* this sucks but it works for now.
- */
+ */
return 0;
}
#include "AFS_component_version_number.c"
-int main(
- int argc,
- char **argv)
+int
+main(int argc, char **argv)
{
- register char *namep;
- int pflag = 0, hflag = 0, t, f, c;
- int invalid, quietlog;
- FILE *nlfd;
- char *ttyn, *tty;
- int ldisc = 0, zero = 0, i;
- char **envnew;
+ char *namep;
+ int pflag = 0, hflag = 0, t, f, c;
+ int invalid, quietlog;
+ FILE *nlfd;
+ char *ttyn, *tty;
+ int ldisc = 0, zero = 0, i;
+ char **envnew;
#ifdef AFS_AIX32_ENV
/*
- * The following signal action for AIX is necessary so that in case of a
- * crash (i.e. core is generated) we can include the user's data section
+ * The following signal action for AIX is necessary so that in case of a
+ * crash (i.e. core is generated) we can include the user's data section
* in the core dump. Unfortunately, by default, only a partial core is
* generated which, in many cases, isn't too useful.
*/
struct sigaction nsa;
-
+
sigemptyset(&nsa.sa_mask);
nsa.sa_handler = SIG_DFL;
nsa.sa_flags = SA_FULLDUMP;
sigaction(SIGSEGV, &nsa, NULL);
#endif
- signal(SIGALRM, timedout);
- alarm(timeout);
- signal(SIGQUIT, SIG_IGN);
- signal(SIGINT, SIG_IGN);
- setpriority(PRIO_PROCESS, 0, 0);
- quota(Q_SETUID, 0, 0, 0);
-
- /* create a dummy user */
- bzero (&nouser, sizeof(nouser));
- nouser.pw_name = "";
- nouser.pw_passwd = "*";
- nouser.pw_dir = nouser.pw_shell = "";
- nouser.pw_uid = nouser.pw_gid = -1;
+ signal(SIGALRM, timedout);
+ alarm(timeout);
+ signal(SIGQUIT, SIG_IGN);
+ signal(SIGINT, SIG_IGN);
+ setpriority(PRIO_PROCESS, 0, 0);
+ quota(Q_SETUID, 0, 0, 0);
+
+ /* create a dummy user */
+ memset(&nouser, 0, sizeof(nouser));
+ nouser.pw_name = "";
+ nouser.pw_passwd = "*";
+ nouser.pw_dir = nouser.pw_shell = "";
+ nouser.pw_uid = nouser.pw_gid = -1;
+ /*
+ * -p is used by getty to tell login not to destroy the environment
+ * -r is used by rlogind to cause the autologin protocol;
+ * -h is used by other servers to pass the name of the
+ * remote host to login so that it may be placed in utmp and wtmp
+ */
+ while (argc > 1) {
+ if (strcmp(argv[1], "-r") == 0) {
+ if (rflag || hflag) {
+ printf("Only one of -r and -h allowed\n");
+ exit(1);
+ }
+ rflag = 1;
+ usererr = doremotelogin(argv[2]);
+ SCPYN(utmp.ut_host, argv[2]);
+ argc -= 2;
+ argv += 2;
+ continue;
+ }
+ if (strcmp(argv[1], "-h") == 0 && getuid() == 0) {
+ if (rflag || hflag) {
+ printf("Only one of -r and -h allowed\n");
+ exit(1);
+ }
+ hflag = 1;
+ SCPYN(utmp.ut_host, argv[2]);
+ argc -= 2;
+ argv += 2;
+ continue;
+ }
+ if (strcmp(argv[1], "-p") == 0) {
+ argc--;
+ argv++;
+ pflag = 1;
+ continue;
+ }
+ break;
+ }
+ ioctl(0, TIOCLSET, &zero);
+ ioctl(0, TIOCNXCL, 0);
+ ioctl(0, FIONBIO, &zero);
+ ioctl(0, FIOASYNC, &zero);
+ ioctl(0, TIOCGETP, &ttyb);
+ /*
+ * If talking to an rlogin process,
+ * propagate the terminal type and
+ * baud rate across the network.
+ */
+ if (rflag)
+ doremoteterm(term, &ttyb);
+ ttyb.sg_erase = CERASE;
+ ttyb.sg_kill = CKILL;
+ ioctl(0, TIOCSLTC, <c);
+ ioctl(0, TIOCSETC, &tc);
+ ioctl(0, TIOCSETP, &ttyb);
+ for (t = getdtablesize(); t > 2; t--)
+ close(t);
+ ttyn = ttyname(0);
+ if (ttyn == (char *)0 || *ttyn == '\0')
+ ttyn = "/dev/tty??";
+ tty = strrchr(ttyn, '/');
+ if (tty == NULL)
+ tty = ttyn;
+ else
+ tty++;
+ openlog("login", LOG_ODELAY, LOG_AUTH);
+ t = 0;
+ invalid = FALSE;
+ do {
+ ldisc = 0;
+ ioctl(0, TIOCSETD, &ldisc);
+ SCPYN(utmp.ut_name, "");
/*
- * -p is used by getty to tell login not to destroy the environment
- * -r is used by rlogind to cause the autologin protocol;
- * -h is used by other servers to pass the name of the
- * remote host to login so that it may be placed in utmp and wtmp
+ * Name specified, take it.
*/
- while (argc > 1) {
- if (strcmp(argv[1], "-r") == 0) {
- if (rflag || hflag) {
- printf("Only one of -r and -h allowed\n");
- exit(1);
- }
- rflag = 1;
- usererr = doremotelogin(argv[2]);
- SCPYN(utmp.ut_host, argv[2]);
- argc -= 2;
- argv += 2;
- continue;
- }
- if (strcmp(argv[1], "-h") == 0 && getuid() == 0) {
- if (rflag || hflag) {
- printf("Only one of -r and -h allowed\n");
- exit(1);
- }
- hflag = 1;
- SCPYN(utmp.ut_host, argv[2]);
- argc -= 2;
- argv += 2;
- continue;
- }
- if (strcmp(argv[1], "-p") == 0) {
- argc--;
- argv++;
- pflag = 1;
- continue;
- }
- break;
+ if (argc > 1) {
+ SCPYN(utmp.ut_name, argv[1]);
+ argc = 0;
}
- ioctl(0, TIOCLSET, &zero);
- ioctl(0, TIOCNXCL, 0);
- ioctl(0, FIONBIO, &zero);
- ioctl(0, FIOASYNC, &zero);
- ioctl(0, TIOCGETP, &ttyb);
/*
- * If talking to an rlogin process,
- * propagate the terminal type and
- * baud rate across the network.
+ * If remote login take given name,
+ * otherwise prompt user for something.
*/
- if (rflag)
- doremoteterm(term, &ttyb);
- ttyb.sg_erase = CERASE;
- ttyb.sg_kill = CKILL;
- ioctl(0, TIOCSLTC, <c);
- ioctl(0, TIOCSETC, &tc);
- ioctl(0, TIOCSETP, &ttyb);
- for (t = getdtablesize(); t > 2; t--)
- close(t);
- ttyn = ttyname(0);
- if (ttyn == (char *)0 || *ttyn == '\0')
- ttyn = "/dev/tty??";
- tty = rindex(ttyn, '/');
- if (tty == NULL)
- tty = ttyn;
+ if (rflag && !invalid)
+ SCPYN(utmp.ut_name, lusername);
else
- tty++;
- openlog("login", LOG_ODELAY, LOG_AUTH);
- t = 0;
+ getloginname(&utmp);
invalid = FALSE;
- do {
- ldisc = 0;
- ioctl(0, TIOCSETD, &ldisc);
- SCPYN(utmp.ut_name, "");
- /*
- * Name specified, take it.
- */
- if (argc > 1) {
- SCPYN(utmp.ut_name, argv[1]);
- argc = 0;
- }
- /*
- * If remote login take given name,
- * otherwise prompt user for something.
- */
- if (rflag && !invalid)
- SCPYN(utmp.ut_name, lusername);
- else
- getloginname(&utmp);
- invalid = FALSE;
- if (!strcmp(pwd->pw_shell, "/bin/csh")) {
- ldisc = NTTYDISC;
- ioctl(0, TIOCSETD, &ldisc);
- }
- /*
- * If no remote login authentication and
- * a password exists for this user, prompt
- * for one and verify it.
- */
- if (usererr == -1 && *pwd->pw_passwd != '\0') {
+ if (!strcmp(pwd->pw_shell, "/bin/csh")) {
+ ldisc = NTTYDISC;
+ ioctl(0, TIOCSETD, &ldisc);
+ }
+ /*
+ * If no remote login authentication and
+ * a password exists for this user, prompt
+ * for one and verify it.
+ */
+ if (usererr == -1 && *pwd->pw_passwd != '\0') {
#ifdef KAUTH
- char password[BUFSIZ];
- char *reason;
- if (ka_UserReadPassword
- ("Password:", password, sizeof(password), &reason)) {
- printf("Unable to login because %s,\n", reason);
- invalid = TRUE;
- }
- else if (ka_UserAuthenticate
- (pwd->pw_name, /*inst*/0, /*realm*/0, password,
- /*sepag*/1, &reason)) {
- printf("Unable to authenticate to AFS because %s.\n",
- reason);
- printf(" proceeding with local authentication... \n");
- /* try local login */
- namep = crypt(password, pwd->pw_passwd);
- if (strcmp(namep, pwd->pw_passwd)) invalid = TRUE;
- }
+ char password[BUFSIZ];
+ char *reason;
+ if (ka_UserReadPassword
+ ("Password:", password, sizeof(password), &reason)) {
+ printf("Unable to login because %s,\n", reason);
+ invalid = TRUE;
+ } else
+ if (ka_UserAuthenticate
+ (pwd->pw_name, /*inst */ 0, /*realm */ 0, password,
+ /*sepag */ 1, &reason)) {
+ printf("Unable to authenticate to AFS because %s.\n", reason);
+ printf(" proceeding with local authentication... \n");
+ /* try local login */
+ namep = crypt(password, pwd->pw_passwd);
+ if (strcmp(namep, pwd->pw_passwd))
+ invalid = TRUE;
+ }
#else
- char *pp;
- setpriority(PRIO_PROCESS, 0, -4);
- pp = getpass("Password:");
- namep = crypt(pp, pwd->pw_passwd);
- setpriority(PRIO_PROCESS, 0, 0);
- if (strcmp(namep, pwd->pw_passwd)) invalid = TRUE;
+ char *pp;
+ setpriority(PRIO_PROCESS, 0, -4);
+ pp = getpass("Password:");
+ namep = crypt(pp, pwd->pw_passwd);
+ setpriority(PRIO_PROCESS, 0, 0);
+ if (strcmp(namep, pwd->pw_passwd))
+ invalid = TRUE;
#endif
- }
- /*
- * If user not super-user, check for logins disabled.
- */
- if (pwd->pw_uid != 0 && (nlfd = fopen(nolog, "r")) != 0) {
- while ((c = getc(nlfd)) != EOF)
- putchar(c);
- fflush(stdout);
- sleep(5);
- exit(0);
- }
- /*
- * If valid so far and root is logging in,
- * see if root logins on this terminal are permitted.
- */
- if (!invalid && pwd->pw_uid == 0 && !rootterm(tty)) {
- if (utmp.ut_host[0])
- syslog(LOG_CRIT,
- "ROOT LOGIN REFUSED ON %s FROM %.*s",
- tty, HMAX, utmp.ut_host);
- else
- syslog(LOG_CRIT,
- "ROOT LOGIN REFUSED ON %s", tty);
- invalid = TRUE;
- }
- if (invalid) {
- printf("Login incorrect\n");
- if (++t >= 5) {
- if (utmp.ut_host[0])
- syslog(LOG_CRIT,
- "REPEATED LOGIN FAILURES ON %s FROM %.*s, %.*s",
- tty, HMAX, utmp.ut_host,
- NMAX, utmp.ut_name);
- else
- syslog(LOG_CRIT,
- "REPEATED LOGIN FAILURES ON %s, %.*s",
- tty, NMAX, utmp.ut_name);
- ioctl(0, TIOCHPCL, (struct sgttyb *) 0);
- close(0), close(1), close(2);
- sleep(10);
- exit(1);
- }
- }
- if (*pwd->pw_shell == '\0')
- pwd->pw_shell = "/bin/sh";
- if (chdir(pwd->pw_dir) < 0 && !invalid ) {
- if (chdir("/") < 0) {
- printf("No directory!\n");
- invalid = TRUE;
- } else {
- printf("No directory! %s\n",
- "Logging in with home=/");
- pwd->pw_dir = "/";
- }
- }
- /*
- * Remote login invalid must have been because
- * of a restriction of some sort, no extra chances.
- */
- if (!usererr && invalid)
- exit(1);
- } while (invalid);
-/* committed to login turn off timeout */
- alarm(0);
-
- if (quota(Q_SETUID, pwd->pw_uid, 0, 0) < 0 && errno != EINVAL) {
- if (errno == EUSERS)
- printf("%s.\n%s.\n",
- "Too many users logged on already",
- "Try again later");
- else if (errno == EPROCLIM)
- printf("You have too many processes running.\n");
- else
- perror("quota (Q_SETUID)");
- sleep(5);
- exit(0);
- }
- time(&utmp.ut_time);
- t = ttyslot();
- if (t > 0 && (f = open("/etc/utmp", O_WRONLY)) >= 0) {
- lseek(f, (afs_int32)(t*sizeof(utmp)), 0);
- SCPYN(utmp.ut_line, tty);
- write(f, (char *)&utmp, sizeof(utmp));
- close(f);
}
- if ((f = open("/usr/adm/wtmp", O_WRONLY|O_APPEND)) >= 0) {
- write(f, (char *)&utmp, sizeof(utmp));
- close(f);
+ /*
+ * If user not super-user, check for logins disabled.
+ */
+ if (pwd->pw_uid != 0 && (nlfd = fopen(nolog, "r")) != 0) {
+ while ((c = getc(nlfd)) != EOF)
+ putchar(c);
+ fflush(stdout);
+ sleep(5);
+ exit(0);
}
- quietlog = access(qlog, F_OK) == 0;
- if ((f = open(lastlog, O_RDWR)) >= 0) {
- struct lastlog ll;
-
- lseek(f, (afs_int32)pwd->pw_uid * sizeof (struct lastlog), 0);
- if (read(f, (char *) &ll, sizeof ll) == sizeof ll &&
- ll.ll_time != 0 && !quietlog) {
- printf("Last login: %.*s ",
- 24-5, (char *)ctime(&ll.ll_time));
- if (*ll.ll_host != '\0')
- printf("from %.*s\n",
- sizeof (ll.ll_host), ll.ll_host);
- else
- printf("on %.*s\n",
- sizeof (ll.ll_line), ll.ll_line);
- }
- lseek(f, (afs_int32)pwd->pw_uid * sizeof (struct lastlog), 0);
- time(&ll.ll_time);
- SCPYN(ll.ll_line, tty);
- SCPYN(ll.ll_host, utmp.ut_host);
- write(f, (char *) &ll, sizeof ll);
- close(f);
+ /*
+ * If valid so far and root is logging in,
+ * see if root logins on this terminal are permitted.
+ */
+ if (!invalid && pwd->pw_uid == 0 && !rootterm(tty)) {
+ if (utmp.ut_host[0])
+ syslog(LOG_CRIT, "ROOT LOGIN REFUSED ON %s FROM %.*s", tty,
+ HMAX, utmp.ut_host);
+ else
+ syslog(LOG_CRIT, "ROOT LOGIN REFUSED ON %s", tty);
+ invalid = TRUE;
}
- chown(ttyn, pwd->pw_uid, TTYGID(pwd->pw_gid));
- if (!hflag && !rflag) /* XXX */
- ioctl(0, TIOCSWINSZ, &win);
- chmod(ttyn, 0620);
- setgid(pwd->pw_gid);
- strncpy(name, utmp.ut_name, NMAX);
- name[NMAX] = '\0';
- initgroups(name, pwd->pw_gid);
- quota(Q_DOWARN, pwd->pw_uid, (dev_t)-1, 0);
- setuid(pwd->pw_uid);
- /* destroy environment unless user has asked to preserve it */
- if (!pflag)
- environ = envinit;
-
- /* set up environment, this time without destruction */
- /* copy the environment before setenving */
- i = 0;
- while (environ[i] != NULL)
- i++;
- envnew = (char **) malloc(sizeof (char *) * (i + 1));
- for (; i >= 0; i--)
- envnew[i] = environ[i];
- environ = envnew;
-
- setenv("HOME=", pwd->pw_dir, 1);
- setenv("SHELL=", pwd->pw_shell, 1);
- if (term[0] == '\0')
- strncpy(term, stypeof(tty), sizeof(term));
- setenv("TERM=", term, 0);
- setenv("USER=", pwd->pw_name, 1);
- setenv("PATH=", ":/usr/ucb:/bin:/usr/bin", 0);
-
- if ((namep = rindex(pwd->pw_shell, '/')) == NULL)
- namep = pwd->pw_shell;
- else
- namep++;
- strcat(minusnam, namep);
- if (tty[sizeof("tty")-1] == 'd')
- syslog(LOG_INFO, "DIALUP %s, %s", tty, pwd->pw_name);
- if (pwd->pw_uid == 0)
+ if (invalid) {
+ printf("Login incorrect\n");
+ if (++t >= 5) {
if (utmp.ut_host[0])
- syslog(LOG_NOTICE, "ROOT LOGIN %s FROM %.*s",
- tty, HMAX, utmp.ut_host);
+ syslog(LOG_CRIT,
+ "REPEATED LOGIN FAILURES ON %s FROM %.*s, %.*s",
+ tty, HMAX, utmp.ut_host, NMAX, utmp.ut_name);
else
- syslog(LOG_NOTICE, "ROOT LOGIN %s", tty);
- if (!quietlog) {
- struct stat st;
-
- showmotd();
- strcat(maildir, pwd->pw_name);
- if (stat(maildir, &st) == 0 && st.st_size != 0)
- printf("You have %smail.\n",
- (st.st_mtime > st.st_atime) ? "new " : "");
+ syslog(LOG_CRIT, "REPEATED LOGIN FAILURES ON %s, %.*s",
+ tty, NMAX, utmp.ut_name);
+ ioctl(0, TIOCHPCL, NULL);
+ close(0), close(1), close(2);
+ sleep(10);
+ exit(1);
+ }
+ }
+ if (*pwd->pw_shell == '\0')
+ pwd->pw_shell = "/bin/sh";
+ if (chdir(pwd->pw_dir) < 0 && !invalid) {
+ if (chdir("/") < 0) {
+ printf("No directory!\n");
+ invalid = TRUE;
+ } else {
+ printf("No directory! %s\n", "Logging in with home=/");
+ pwd->pw_dir = "/";
+ }
}
- signal(SIGALRM, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGINT, SIG_DFL);
- signal(SIGTSTP, SIG_IGN);
- execlp(pwd->pw_shell, minusnam, 0);
- perror(pwd->pw_shell);
- printf("No shell\n");
+ /*
+ * Remote login invalid must have been because
+ * of a restriction of some sort, no extra chances.
+ */
+ if (!usererr && invalid)
+ exit(1);
+ } while (invalid);
+/* committed to login turn off timeout */
+ alarm(0);
+
+ if (quota(Q_SETUID, pwd->pw_uid, 0, 0) < 0 && errno != EINVAL) {
+ if (errno == EUSERS)
+ printf("%s.\n%s.\n", "Too many users logged on already",
+ "Try again later");
+ else if (errno == EPROCLIM)
+ printf("You have too many processes running.\n");
+ else
+ perror("quota (Q_SETUID)");
+ sleep(5);
exit(0);
+ }
+ time(&utmp.ut_time);
+ t = ttyslot();
+ if (t > 0 && (f = open("/etc/utmp", O_WRONLY)) >= 0) {
+ lseek(f, (afs_int32) (t * sizeof(utmp)), 0);
+ SCPYN(utmp.ut_line, tty);
+ write(f, (char *)&utmp, sizeof(utmp));
+ close(f);
+ }
+ if ((f = open("/usr/adm/wtmp", O_WRONLY | O_APPEND)) >= 0) {
+ write(f, (char *)&utmp, sizeof(utmp));
+ close(f);
+ }
+ quietlog = access(qlog, F_OK) == 0;
+ if ((f = open(lastlog, O_RDWR)) >= 0) {
+ struct lastlog ll;
+
+ lseek(f, (afs_int32) pwd->pw_uid * sizeof(struct lastlog), 0);
+ if (read(f, (char *)&ll, sizeof ll) == sizeof ll && ll.ll_time != 0
+ && !quietlog) {
+ printf("Last login: %.*s ", 24 - 5, (char *)ctime(&ll.ll_time));
+ if (*ll.ll_host != '\0')
+ printf("from %.*s\n", sizeof(ll.ll_host), ll.ll_host);
+ else
+ printf("on %.*s\n", sizeof(ll.ll_line), ll.ll_line);
+ }
+ lseek(f, (afs_int32) pwd->pw_uid * sizeof(struct lastlog), 0);
+ time(&ll.ll_time);
+ SCPYN(ll.ll_line, tty);
+ SCPYN(ll.ll_host, utmp.ut_host);
+ write(f, (char *)&ll, sizeof ll);
+ close(f);
+ }
+ chown(ttyn, pwd->pw_uid, TTYGID(pwd->pw_gid));
+ if (!hflag && !rflag) /* XXX */
+ ioctl(0, TIOCSWINSZ, &win);
+ chmod(ttyn, 0620);
+ setgid(pwd->pw_gid);
+ strncpy(name, utmp.ut_name, NMAX);
+ name[NMAX] = '\0';
+ initgroups(name, pwd->pw_gid);
+ quota(Q_DOWARN, pwd->pw_uid, (dev_t) - 1, 0);
+ setuid(pwd->pw_uid);
+ /* destroy environment unless user has asked to preserve it */
+ if (!pflag)
+ environ = envinit;
+
+ /* set up environment, this time without destruction */
+ /* copy the environment before setenving */
+ i = 0;
+ while (environ[i] != NULL)
+ i++;
+ envnew = (char **)malloc(sizeof(char *) * (i + 1));
+ for (; i >= 0; i--)
+ envnew[i] = environ[i];
+ environ = envnew;
+
+ setenv("HOME=", pwd->pw_dir, 1);
+ setenv("SHELL=", pwd->pw_shell, 1);
+ if (term[0] == '\0')
+ strncpy(term, stypeof(tty), sizeof(term));
+ setenv("TERM=", term, 0);
+ setenv("USER=", pwd->pw_name, 1);
+ setenv("PATH=", ":/usr/ucb:/bin:/usr/bin", 0);
+
+ if ((namep = strrchr(pwd->pw_shell, '/')) == NULL)
+ namep = pwd->pw_shell;
+ else
+ namep++;
+ strcat(minusnam, namep);
+ if (tty[sizeof("tty") - 1] == 'd')
+ syslog(LOG_INFO, "DIALUP %s, %s", tty, pwd->pw_name);
+ if (pwd->pw_uid == 0)
+ if (utmp.ut_host[0])
+ syslog(LOG_NOTICE, "ROOT LOGIN %s FROM %.*s", tty, HMAX,
+ utmp.ut_host);
+ else
+ syslog(LOG_NOTICE, "ROOT LOGIN %s", tty);
+ if (!quietlog) {
+ struct stat st;
+
+ showmotd();
+ strcat(maildir, pwd->pw_name);
+ if (stat(maildir, &st) == 0 && st.st_size != 0)
+ printf("You have %smail.\n",
+ (st.st_mtime > st.st_atime) ? "new " : "");
+ }
+ signal(SIGALRM, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ signal(SIGINT, SIG_DFL);
+ signal(SIGTSTP, SIG_IGN);
+ execlp(pwd->pw_shell, minusnam, 0);
+ perror(pwd->pw_shell);
+ printf("No shell\n");
+ exit(0);
}
-static void getloginname(register struct utmp *up)
+static void
+getloginname(struct utmp *up)
{
- register char *namep;
- char c;
-
- while (up->ut_name[0] == '\0') {
- namep = up->ut_name;
- printf("login: ");
- while ((c = getchar()) != '\n') {
- if (c == ' ')
- c = '_';
- if (c == (char)EOF)
- exit(0);
- if (namep < up->ut_name+NMAX)
- *namep++ = c;
- }
+ char *namep;
+ int c;
+
+ while (up->ut_name[0] == '\0') {
+ namep = up->ut_name;
+ printf("login: ");
+ while ((c = getchar()) != '\n') {
+ if (c == ' ')
+ c = '_';
+ if (c == EOF)
+ exit(0);
+ if (namep < up->ut_name + NMAX)
+ *namep++ = (char)c;
}
- strncpy(lusername, up->ut_name, NMAX);
- lusername[NMAX] = 0;
- if ((pwd = getpwnam(lusername)) == NULL)
- pwd = &nouser;
+ }
+ strncpy(lusername, up->ut_name, NMAX);
+ lusername[NMAX] = 0;
+ if ((pwd = getpwnam(lusername)) == NULL)
+ pwd = &nouser;
}
-static void timedout(void)
+static void
+timedout(void)
{
- printf("Login timed out after %d seconds\n", timeout);
- exit(0);
+ printf("Login timed out after %d seconds\n", timeout);
+ exit(0);
}
int stopmotd;
-static void catch(void)
+static void
+catch(void)
{
- signal(SIGINT, SIG_IGN);
- stopmotd++;
+ signal(SIGINT, SIG_IGN);
+ stopmotd++;
}
-int rootterm(char *tty)
+int
+rootterm(char *tty)
{
- register struct ttyent *t;
+ struct ttyent *t;
- if ((t = getttynam(tty)) != NULL) {
- if (t->ty_status & TTY_SECURE)
- return (1);
- }
- return (0);
+ if ((t = getttynam(tty)) != NULL) {
+ if (t->ty_status & TTY_SECURE)
+ return (1);
+ }
+ return (0);
}
-static void showmotd(void)
+static void
+showmotd(void)
{
- FILE *mf;
- register c;
-
- signal(SIGINT, catch);
- if ((mf = fopen("/etc/motd", "r")) != NULL) {
- while ((c = getc(mf)) != EOF && stopmotd == 0)
- putchar(c);
- fclose(mf);
- }
- signal(SIGINT, SIG_IGN);
+ FILE *mf;
+ int c;
+
+ signal(SIGINT, catch);
+ if ((mf = fopen("/etc/motd", "r")) != NULL) {
+ while ((c = getc(mf)) != EOF && stopmotd == 0)
+ putchar(c);
+ fclose(mf);
+ }
+ signal(SIGINT, SIG_IGN);
}
#undef UNKNOWN
#define UNKNOWN "su"
-char *stypeof(char *ttyid)
+char *
+stypeof(char *ttyid)
{
- register struct ttyent *t;
+ struct ttyent *t;
- if (ttyid == NULL || (t = getttynam(ttyid)) == NULL)
- return (UNKNOWN);
- return (t->ty_type);
+ if (ttyid == NULL || (t = getttynam(ttyid)) == NULL)
+ return (UNKNOWN);
+ return (t->ty_type);
}
-int doremotelogin(char *host)
+int
+doremotelogin(char *host)
{
- getstr(rusername, sizeof (rusername), "remuser");
- getstr(lusername, sizeof (lusername), "locuser");
- getstr(term, sizeof(term), "Terminal type");
- if (getuid()) {
- pwd = &nouser;
- return(-1);
- }
- pwd = getpwnam(lusername);
- if (pwd == NULL) {
- pwd = &nouser;
- return(-1);
- }
- return(ruserok(host, (pwd->pw_uid == 0), rusername, lusername));
+ getstr(rusername, sizeof(rusername), "remuser");
+ getstr(lusername, sizeof(lusername), "locuser");
+ getstr(term, sizeof(term), "Terminal type");
+ if (getuid()) {
+ pwd = &nouser;
+ return (-1);
+ }
+ pwd = getpwnam(lusername);
+ if (pwd == NULL) {
+ pwd = &nouser;
+ return (-1);
+ }
+ return (ruserok(host, (pwd->pw_uid == 0), rusername, lusername));
}
-int getstr(
- char *buf,
- int cnt,
- char *err)
+int
+getstr(char *buf, int cnt, char *err)
{
- char c;
-
- do {
- if (read(0, &c, 1) != 1)
- exit(1);
- if (--cnt < 0) {
- printf("%s too long\r\n", err);
- exit(1);
- }
- *buf++ = c;
- } while (c != 0);
+ char c;
+
+ do {
+ if (read(0, &c, 1) != 1)
+ exit(1);
+ if (--cnt < 0) {
+ printf("%s too long\r\n", err);
+ exit(1);
+ }
+ *buf++ = c;
+ } while (c != 0);
}
-char *speeds[] =
- { "0", "50", "75", "110", "134", "150", "200", "300",
- "600", "1200", "1800", "2400", "4800", "9600", "19200", "38400" };
+char *speeds[] = { "0", "50", "75", "110", "134", "150", "200", "300",
+ "600", "1200", "1800", "2400", "4800", "9600", "19200", "38400"
+};
+
#define NSPEEDS (sizeof (speeds) / sizeof (speeds[0]))
-static void doremoteterm(
- char *term,
- struct sgttyb *tp)
+static void
+doremoteterm(char *term, struct sgttyb *tp)
{
- register char *cp = index(term, '/'), **cpp;
- char *speed;
-
- if (cp) {
- *cp++ = '\0';
- speed = cp;
- cp = index(speed, '/');
- if (cp)
- *cp++ = '\0';
- for (cpp = speeds; cpp < &speeds[NSPEEDS]; cpp++)
- if (strcmp(*cpp, speed) == 0) {
- tp->sg_ispeed = tp->sg_ospeed = cpp-speeds;
- break;
- }
- }
- tp->sg_flags = ECHO|CRMOD|ANYP|XTABS;
+ char *cp = strchr(term, '/'), **cpp;
+ char *speed;
+
+ if (cp) {
+ *cp++ = '\0';
+ speed = cp;
+ cp = strchr(speed, '/');
+ if (cp)
+ *cp++ = '\0';
+ for (cpp = speeds; cpp < &speeds[NSPEEDS]; cpp++)
+ if (strcmp(*cpp, speed) == 0) {
+ tp->sg_ispeed = tp->sg_ospeed = cpp - speeds;
+ break;
+ }
+ }
+ tp->sg_flags = ECHO | CRMOD | ANYP | XTABS;
}
/*
* This procedure assumes the memory for the first level of environ
* was allocated using malloc.
*/
-static void setenv(
- char *var,
- char *value,
- int clobber)
+static void
+setenv(char *var, char *value, int clobber)
{
- extern char **environ;
- int index = 0;
- int varlen = strlen(var);
- int vallen = strlen(value);
-
- for (index = 0; environ[index] != NULL; index++) {
- if (strncmp(environ[index], var, varlen) == 0) {
- /* found it */
- if (!clobber)
- return;
- environ[index] = malloc(varlen + vallen + 1);
- strcpy(environ[index], var);
- strcat(environ[index], value);
- return;
- }
- }
- environ = (char **) realloc(environ, sizeof (char *) * (index + 2));
- if (environ == NULL) {
- fprintf(stderr, "login: malloc out of memory\n");
- exit(1);
+ extern char **environ;
+ int index = 0;
+ int varlen = strlen(var);
+ int vallen = strlen(value);
+
+ for (index = 0; environ[index] != NULL; index++) {
+ if (strncmp(environ[index], var, varlen) == 0) {
+ /* found it */
+ if (!clobber)
+ return;
+ environ[index] = malloc(varlen + vallen + 1);
+ strcpy(environ[index], var);
+ strcat(environ[index], value);
+ return;
}
- environ[index] = malloc(varlen + vallen + 1);
- strcpy(environ[index], var);
- strcat(environ[index], value);
- environ[++index] = NULL;
+ }
+ environ = realloc(environ, sizeof(char *) * (index + 2));
+ if (environ == NULL) {
+ fprintf(stderr, "login: malloc out of memory\n");
+ exit(1);
+ }
+ environ[index] = malloc(varlen + vallen + 1);
+ strcpy(environ[index], var);
+ strcat(environ[index], value);
+ environ[++index] = NULL;
}
-static gid_t tty_gid(int default_gid)
+static gid_t
+tty_gid(int default_gid)
{
- struct group *getgrnam(), *gr;
- gid_t gid = default_gid;
+ struct group *getgrnam(), *gr;
+ gid_t gid = default_gid;
- gr = getgrnam(TTYGRPNAME);
- if (gr != (struct group *) 0)
- gid = gr->gr_gid;
+ gr = getgrnam(TTYGRPNAME);
+ if (gr != NULL)
+ gid = gr->gr_gid;
- endgrent();
+ endgrent();
- return (gid);
+ return (gid);
}
#else
#include "AFS_component_version_number.c"
-main() {}
-#endif /*!defined(AFS_SUN_ENV) && !defined(AFS_AIX_ENV) && !defined(AFS_HPUX_ENV)*/
-
+main()
+{
+}
+#endif /*!defined(AFS_SUN_ENV) && !defined(AFS_AIX_ENV) && !defined(AFS_HPUX_ENV) */
git://git.openafs.org / openafs.git / blobdiff