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freebsd-ports/security/openssh/files/patch-an
Brian Feldman 8e53bbefee Update to a current CVS_DATE. The only real change I see is the (big)
change of KNFization being finalized :)

Patches had to be modified, but should look "better" according to
style(9), now.
1999-11-28 22:40:28 +00:00

242 lines
6.6 KiB
Plaintext

--- /usr/ports/distfiles/OpenSSH-1.2/src/usr.bin/ssh/sshd.c Sun Nov 28 16:50:26 1999
+++ sshd.c Sun Nov 28 17:22:27 1999
@@ -32,6 +32,16 @@
int deny_severity = LOG_WARNING;
#endif /* LIBWRAP */
+#ifdef __FreeBSD__
+#include <libutil.h>
+#include <syslog.h>
+#define LOGIN_CAP
+#endif /* __FreeBSD__ */
+
+#ifdef LOGIN_CAP
+#include <login_cap.h>
+#endif /* LOGIN_CAP */
+
#ifndef O_NOCTTY
#define O_NOCTTY 0
#endif
@@ -1048,6 +1058,14 @@
return 0;
}
}
+ /* Fail if the account's expiration time has passed. */
+ if (pw->pw_expire != 0) {
+ struct timeval tv;
+
+ (void)gettimeofday(&tv, NULL);
+ if (tv.tv_sec >= pw->pw_expire)
+ return 0;
+ }
/* We found no reason not to let this user try to log on... */
return 1;
}
@@ -1083,6 +1101,9 @@
pwcopy.pw_gid = pw->pw_gid;
pwcopy.pw_dir = xstrdup(pw->pw_dir);
pwcopy.pw_shell = xstrdup(pw->pw_shell);
+ pwcopy.pw_class = xstrdup(pw->pw_class);
+ pwcopy.pw_expire = pw->pw_expire;
+ pwcopy.pw_change = pw->pw_change;
pw = &pwcopy;
/*
@@ -1871,6 +1892,10 @@
struct sockaddr_in from;
int fromlen;
struct pty_cleanup_context cleanup_context;
+#ifdef LOGIN_CAP
+ login_cap_t *lc;
+ char *fname;
+#endif /* LOGIN_CAP */
/* Get remote host name. */
hostname = get_canonical_hostname();
@@ -1935,6 +1960,12 @@
/* Check if .hushlogin exists. */
snprintf(line, sizeof line, "%.200s/.hushlogin", pw->pw_dir);
quiet_login = stat(line, &st) >= 0;
+#ifdef LOGIN_CAP
+ lc = login_getpwclass(pw);
+ if (lc == NULL)
+ lc = login_getclassbyname(NULL, pw);
+ quiet_login = login_getcapbool(lc, "hushlogin", quiet_login);
+#endif /* LOGIN_CAP */
/*
* If the user has logged in before, display the time of last
@@ -1958,6 +1989,20 @@
else
printf("Last login: %s from %s\r\n", time_string, buf);
}
+#ifdef LOGIN_CAP
+ if (command == NULL && !quiet_login && !options.use_login) {
+ fname = login_getcapstr(lc, "copyright", NULL, NULL);
+ if (fname != NULL && (f = fopen(fname, "r")) != NULL) {
+ while (fgets(line, sizeof(line), f) != NULL)
+ fputs(line, stdout);
+ fclose(f);
+ } else
+ (void)printf("%s\n\t%s %s\n",
+ "Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994",
+ "The Regents of the University of California. ",
+ "All rights reserved.");
+ }
+#endif /* LOGIN_CAP */
/*
* Print /etc/motd unless a command was specified or printing
* it was disabled in server options or login(1) will be
@@ -1966,14 +2011,22 @@
*/
if (command == NULL && options.print_motd && !quiet_login &&
!options.use_login) {
- /* Print /etc/motd if it exists. */
+#ifdef LOGIN_CAP
+ fname = login_getcapstr(lc, "welcome", NULL, NULL);
+ login_close(lc);
+ if (fname == NULL || (f = fopen(fname, "r")) == NULL)
+ f = fopen("/etc/motd", "r");
+#else /* LOGIN_CAP */
f = fopen("/etc/motd", "r");
+#endif /* LOGIN_CAP */
+ /* Print /etc/motd if it exists. */
if (f) {
while (fgets(line, sizeof(line), f))
fputs(line, stdout);
fclose(f);
}
}
+
/* Do common processing for the child, such as execing the command. */
do_child(command, pw, term, display, auth_proto, auth_data, ttyname);
/* NOTREACHED */
@@ -2117,15 +2170,34 @@
extern char **environ;
struct stat st;
char *argv[10];
+#ifdef LOGIN_CAP
+ login_cap_t *lc;
+
+ lc = login_getpwclass(pw);
+ if (lc == NULL)
+ lc = login_getclassbyname(NULL, pw);
+#endif /* LOGIN_CAP */
f = fopen("/etc/nologin", "r");
+#ifdef __FreeBSD__
+ if (f == NULL)
+ f = fopen("/var/run/nologin", "r");
+#endif /* __FreeBSD__ */
if (f) {
/* /etc/nologin exists. Print its contents and exit. */
- while (fgets(buf, sizeof(buf), f))
- fputs(buf, stderr);
- fclose(f);
- if (pw->pw_uid != 0)
- exit(254);
+#ifdef LOGIN_CAP
+ /* On FreeBSD, etc., allow overriding nologin via login.conf. */
+ if (!login_getcapbool(lc, "ignorenologin", 0)) {
+#else /* LOGIN_CAP */
+ if (1) {
+#endif /* LOGIN_CAP */
+ while (fgets(buf, sizeof(buf), f))
+ fputs(buf, stderr);
+ fclose(f);
+ if (pw->pw_uid != 0)
+ exit(254);
+ }
+
}
/* Set login name in the kernel. */
if (setlogin(pw->pw_name) < 0)
@@ -2135,6 +2207,13 @@
/* Login(1) does this as well, and it needs uid 0 for the "-h"
switch, so we let login(1) to this for us. */
if (!options.use_login) {
+#ifdef LOGIN_CAP
+ if (setclasscontext(pw->pw_class, LOGIN_SETPRIORITY |
+ LOGIN_SETRESOURCES | LOGIN_SETUMASK) == -1) {
+ perror("setclasscontext");
+ exit(1);
+ }
+#endif /* LOGIN_CAP */
if (getuid() == 0 || geteuid() == 0) {
if (setgid(pw->pw_gid) < 0) {
perror("setgid");
@@ -2157,7 +2236,14 @@
* Get the shell from the password data. An empty shell field is
* legal, and means /bin/sh.
*/
+#ifdef LOGIN_CAP
+ shell = pw->pw_shell;
+ shell = login_getcapstr(lc, "shell", shell, shell);
+ if (shell[0] == '\0')
+ shell = _PATH_BSHELL;
+#else /* LOGIN_CAP */
shell = (pw->pw_shell[0] == '\0') ? _PATH_BSHELL : pw->pw_shell;
+#endif /* LOGIN_CAP */
#ifdef AFS
/* Try to get AFS tokens for the local cell. */
@@ -2181,7 +2267,12 @@
child_set_env(&env, &envsize, "USER", pw->pw_name);
child_set_env(&env, &envsize, "LOGNAME", pw->pw_name);
child_set_env(&env, &envsize, "HOME", pw->pw_dir);
+#ifdef LOGIN_CAP
+ child_set_env(&env, &envsize, "PATH",
+ login_getpath(lc, "path", _PATH_STDPATH));
+#else /* LOGIN_CAP */
child_set_env(&env, &envsize, "PATH", _PATH_STDPATH);
+#endif /* LOGIN_CAP */
snprintf(buf, sizeof buf, "%.200s/%.50s",
_PATH_MAILDIR, pw->pw_name);
@@ -2271,6 +2362,9 @@
*/
endpwent();
endhostent();
+#ifdef LOGIN_CAP
+ login_close(lc);
+#endif /* LOGIN_CAP */
/*
* Close any extra open file descriptors so that we don\'t have them
@@ -2278,7 +2372,7 @@
* initgroups, because at least on Solaris 2.3 it leaves file
* descriptors open.
*/
- for (i = 3; i < 64; i++)
+ for (i = 3; i < getdtablesize(); i++)
close(i);
/* Change current directory to the user\'s home directory. */
@@ -2297,6 +2391,26 @@
* in this order).
*/
if (!options.use_login) {
+#ifdef __FreeBSD__
+ /*
+ * If the password change time is set and has passed, give the
+ * user a password expiry notice and chance to change it.
+ */
+ if (pw->pw_change != 0) {
+ struct timeval tv;
+
+ (void)gettimeofday(&tv, NULL);
+ if (tv.tv_sec >= pw->pw_change) {
+ (void)printf(
+ "Sorry -- your password has expired.\n");
+ syslog(LOG_INFO,
+ "%s Password expired - forcing change",
+ pw->pw_name);
+ if (system("/usr/bin/passwd") != 0)
+ perror("/usr/bin/passwd");
+ }
+ }
+#endif /* __FreeBSD__ */
if (stat(SSH_USER_RC, &st) >= 0) {
if (debug_flag)
fprintf(stderr, "Running /bin/sh %s\n", SSH_USER_RC);