diff options
author | Damien Miller <djm@mindrot.org> | 2000-05-31 11:20:11 +1000 |
---|---|---|
committer | Damien Miller <djm@mindrot.org> | 2000-05-31 11:20:11 +1000 |
commit | 2f6a0ad191af2e0e67c66bdc5dfc84d9a97bf12c (patch) | |
tree | 3b25cc3ba9ed2ae288e33ee8dee5042cc4734020 /login.c | |
parent | 03934f2eefc991f2a0be253be8869cf8f39758bc (diff) |
- Cleanup of auth.c, login.c and fake-*
- Cleanup of auth-pam.c, save and print "account expired" error messages
Diffstat (limited to 'login.c')
-rw-r--r-- | login.c | 137 |
1 files changed, 71 insertions, 66 deletions
@@ -18,7 +18,7 @@ */ #include "includes.h" -RCSID("$Id: login.c,v 1.28 2000/05/30 03:12:46 damien Exp $"); +RCSID("$Id: login.c,v 1.29 2000/05/31 01:20:12 damien Exp $"); #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) # include <utmpx.h> @@ -38,6 +38,11 @@ RCSID("$Id: login.c,v 1.28 2000/05/30 03:12:46 damien Exp $"); # include <login.h> #endif +#ifdef WITH_AIXAUTHENTICATE +/* This is done in do_authentication */ +# define DISABLE_LASTLOG +#endif /* WITH_AIXAUTHENTICATE */ + /* * Returns the time when the user last logged in. Returns 0 if the * information is not available. This must be called before record_login. @@ -53,58 +58,50 @@ unsigned long get_last_login_time(uid_t uid, const char *logname, char *buf, unsigned int bufsize) { -#if defined(WITH_AIXAUTHENTICATE) - /* This is done in do_authentication */ - return (unsigned long) 0; -#else #if defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) struct lastlog ll; - char *lastlog; int fd; -#ifdef LASTLOG_IS_DIR +# ifdef LASTLOG_IS_DIR char lbuf[1024]; -#endif /* LASTLOG_IS_DIR */ - lastlog = _PATH_LASTLOG; + snprintf(lbuf, sizeof(buf), "%s/%s", _PATH_LASTLOG, logname); + if ((fd = open(lbuf, O_RDONLY)) < 0) + return 0; +# else /* LASTLOG_IS_DIR */ buf[0] = '\0'; -#ifndef LASTLOG_IS_DIR - fd = open(lastlog, O_RDONLY); - if (fd < 0) + if ((fd = open(_PATH_LASTLOG, O_RDONLY)) < 0) return 0; + lseek(fd, (off_t) ((long) uid * sizeof(ll)), SEEK_SET); -#else /* LASTLOG_IS_DIR */ - snprintf(lbuf, sizeof(buf), "%s/%s", lastlog, logname); - fd = open(lbuf, O_RDONLY); - if (fd < 0) - return 0; -#endif /* LASTLOG_IS_DIR */ +# endif /* LASTLOG_IS_DIR */ if (read(fd, &ll, sizeof(ll)) != sizeof(ll)) { close(fd); return 0; } + close(fd); + if (bufsize > sizeof(ll.ll_host) + 1) bufsize = sizeof(ll.ll_host) + 1; strncpy(buf, ll.ll_host, bufsize - 1); buf[bufsize - 1] = 0; - return ll.ll_time; + return ll.ll_time; #else /* defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) */ # ifdef HAVE_TYPE_IN_UTMP /* Look in wtmp for the last login */ struct utmp wt; - char *wt_file = _PATH_WTMP; - int fd1; + int fd1; unsigned long t = 0; - if ( (fd1 = open(wt_file, O_RDONLY)) < 0 ) { - error("Couldn't open %.100s to find last login time.", wt_file); + if ((fd1 = open(_PATH_WTMP, O_RDONLY)) < 0) { + error("Couldn't open %.100s to find last login time.", _PATH_WTMP); return 0; } /* seek to last record of file */ - lseek(fd1, (off_t)(0-sizeof(struct utmp)), SEEK_END); + lseek(fd1, (off_t)(0 - sizeof(struct utmp)), SEEK_END); /* loop through wtmp for our last user login record */ do { @@ -113,47 +110,44 @@ get_last_login_time(uid_t uid, const char *logname, return 0; } - if ( wt.ut_type == USER_PROCESS) { - if ( !strncmp(logname, wt.ut_user, 8) ) { - t = (unsigned long) wt.ut_time; -# ifdef HAVE_HOST_IN_UTMP + if (wt.ut_type == USER_PROCESS) { + if (!strncmp(logname, wt.ut_user, 8)) { + t = (unsigned long)wt.ut_time; +# ifdef HAVE_HOST_IN_UTMP if (bufsize > sizeof(wt.ut_host) + 1) - bufsize = sizeof(wt.ut_host) + 1; + bufsize = sizeof(wt.ut_host) + 1; strncpy(buf, wt.ut_host, bufsize - 1); buf[bufsize - 1] = 0; -# else /* HAVE_HOST_IN_UTMP */ +# else /* HAVE_HOST_IN_UTMP */ buf[0] = 0; -# endif /* HAVE_HOST_IN_UTMP */ +# endif /* HAVE_HOST_IN_UTMP */ } } - if (lseek(fd1, (off_t)(0-2*sizeof(struct utmp)), SEEK_CUR) == -1) + if (lseek(fd1, (off_t)(0 - (2 * sizeof(struct utmp))), SEEK_CUR) < 0) break; } while (t == 0); return t; -# else +# else /* HAVE_TYPE_IN_UTMP */ return 0; # endif /* HAVE_TYPE_IN_UTMP */ #endif /* defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) */ -#endif /* defined(WITH_AIXAUTHENTICATE) */ } /* - * Records that the user has logged in. I these parts of operating systems - * were more standardized. + * Records that the user has logged in. I wish these parts of operating + * systems were more standardized. */ - void record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, const char *host, struct sockaddr * addr) { #if defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) struct lastlog ll; - char *lastlog; -#ifdef LASTLOG_IS_DIR +# ifdef LASTLOG_IS_DIR char buf[1024]; -#endif /* LASTLOG_IS_DIR */ +# endif /* LASTLOG_IS_DIR */ #endif /* defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) */ struct utmp u; #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) @@ -163,28 +157,35 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, /* Construct an utmp/wtmp entry. */ memset(&u, 0, sizeof(u)); strncpy(u.ut_line, ttyname + 5, sizeof(u.ut_line)); + #if defined(HAVE_ID_IN_UTMP) -#ifdef _AIX +# ifdef _AIX strncpy(u.ut_id, ttyname + 5, sizeof(u.ut_id)); -#else /* !AIX */ +# else /* !AIX */ strncpy(u.ut_id, ttyname + 8, sizeof(u.ut_id)); -#endif +# endif #endif /* defined(HAVE_ID_IN_UTMP) */ + strncpy(u.ut_name, user, sizeof(u.ut_name)); + #if defined(HAVE_TV_IN_UTMP) (void)gettimeofday(&u.ut_tv, NULL); #else /* defined(HAVE_TV_IN_UTMP) */ u.ut_time = time(NULL); #endif /* defined(HAVE_TV_IN_UTMP) */ + #if defined(HAVE_PID_IN_UTMP) u.ut_pid = (pid_t)pid; #endif /* HAVE_PID_IN_UTMP */ + #if defined(HAVE_TYPE_IN_UTMP) u.ut_type = (uid == -1)?DEAD_PROCESS:USER_PROCESS; #endif /* HAVE_TYPE_IN_UTMP */ + #if defined(HAVE_HOST_IN_UTMP) strncpy(u.ut_host, host, sizeof(u.ut_host)); #endif + #if defined(HAVE_ADDR_IN_UTMP) if (addr) { switch (addr->sa_family) { @@ -193,26 +194,29 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, memcpy(&(u.ut_addr), &(in->sin_addr), sizeof(&(in->sin_addr))); break; } -#if defined(HAVE_ADDR_V6_IN_UTMP) +# if defined(HAVE_ADDR_V6_IN_UTMP) case AF_INET6: { struct sockaddr_in6 *in6 = (struct sockaddr_in6*)addr; memcpy(u.ut_addr_v6, &(in6->sin6_addr), sizeof(&(in6->sin6_addr))); break; } -#endif +# endif /* defined(HAVE_ADDR_V6_IN_UTMP) */ default: break; } } -#endif +#endif /* defined(HAVE_ADDR_IN_UTMP) */ #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) memset(&utx, 0, sizeof(utx)); + strncpy(utx.ut_user, user, sizeof(utx.ut_name)); strncpy(utx.ut_line, ttyname + 5, sizeof(utx.ut_line)); strncpy(utx.ut_id, ttyname + 8, sizeof(utx.ut_id)); + utx.ut_pid = (pid_t)pid; (void)gettimeofday(&utx.ut_tv, NULL); + utx.ut_type = (uid == -1)?DEAD_PROCESS:USER_PROCESS; # ifdef HAVE_HOST_IN_UTMPX # ifdef HAVE_SYSLEN_IN_UTMPX @@ -225,7 +229,8 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, # endif /* HAVE_SYSLEN_IN_UTMPX */ utx.ut_host[sizeof(utx.ut_host)-1] = '\0'; # endif -#if defined(HAVE_ADDR_IN_UTMPX) + +# if defined(HAVE_ADDR_IN_UTMPX) if (addr) { switch (addr->sa_family) { case AF_INET: { @@ -233,31 +238,27 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, memcpy(&(utx.ut_addr), &(in->sin_addr), sizeof(&(in->sin_addr))); break; } -#if defined(HAVE_ADDR_V6_IN_UTMPX) +# if defined(HAVE_ADDR_V6_IN_UTMPX) case AF_INET6: { struct sockaddr_in6 *in6 = (struct sockaddr_in6*)addr; memcpy(utx.ut_addr_v6, &(in6->sin6_addr), sizeof(&(in6->sin6_addr))); break; } -#endif +# endif /* defined(HAVE_ADDR_V6_IN_UTMPX) */ default: break; } } -#endif +# endif /* defined(HAVE_ADDR_IN_UTMPX) */ #endif /* defined(HAVE_UTMPX_H) && defined(USE_UTMPX) */ -/*#if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) && !defined(HAVE_LOGIN)*/ #if defined(HAVE_UTMPX_H) && defined(USE_UTMPX) login(&u, &utx); #else /* defined(HAVE_UTMPX_H) && defined(USE_UTMPX) */ login(&u); #endif /* defined(HAVE_UTMPX_H) && defined(USE_UTMPX) */ -#if defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) && !defined(WITH_AIXAUTHENTICATE) - /* AIX does this in do_authentication */ - lastlog = _PATH_LASTLOG; - +#if defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) /* Update lastlog unless actually recording a logout. */ if (strcmp(user, "") != 0) { int fd; @@ -271,21 +272,25 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, ll.ll_time = time(NULL); strncpy(ll.ll_line, ttyname + 5, sizeof(ll.ll_line)); strncpy(ll.ll_host, host, sizeof(ll.ll_host)); -#ifdef LASTLOG_IS_DIR - snprintf(buf, sizeof(buf), "%s/%s", lastlog, user); - fd = open(buf, O_RDWR); - if (fd >= 0) { -#else /* LASTLOG_IS_DIR */ - fd = open(lastlog, O_RDWR); - if (fd >= 0) { - lseek(fd, (off_t) ((long) uid * sizeof(ll)), SEEK_SET); -#endif /* LASTLOG_IS_DIR */ +# ifdef LASTLOG_IS_DIR + snprintf(buf, sizeof(buf), "%s/%s", _PATH_LASTLOG, user); + if ((fd = open(buf, O_RDWR)) >= 0) { if (write(fd, &ll, sizeof(ll)) != sizeof(ll)) - log("Could not write %.100s: %.100s", lastlog, strerror(errno)); + log("Could not write %.100s: %.100s", buf, strerror(errno)); close(fd); } +# else /* LASTLOG_IS_DIR */ + if ((fd = open(_PATH_LASTLOG, O_RDWR)) >= 0) { + lseek(fd, (off_t) ((long) uid * sizeof(ll)), SEEK_SET); + if (write(fd, &ll, sizeof(ll)) != sizeof(ll)) { + log("Could not write %.100s: %.100s", _PATH_LASTLOG, + strerror(errno)); + } + close(fd); + } +# endif /* LASTLOG_IS_DIR */ } -#endif /* defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) && !defined(WITH_AIXAUTHENTICATE) */ +#endif /* defined(_PATH_LASTLOG) && !defined(DISABLE_LASTLOG) */ } /* Records that the user has logged out. */ |