1 files changed, 90 insertions, 4 deletions

diff --git a/crypto/openssh/openbsd-compat/port-aix.c b/crypto/openssh/openbsd-compat/port-aix.c
index 4c96a3171b90..9fbcce936d4d 100644
--- a/crypto/openssh/openbsd-compat/port-aix.c
+++ b/crypto/openssh/openbsd-compat/port-aix.c
@@ -24,11 +24,18 @@
  *
  */
 #include "includes.h"
+#include "ssh.h"
+#include "log.h"
+#include "servconf.h"
+#include "canohost.h"
+#include "xmalloc.h"
 
 #ifdef _AIX
 
 #include <uinfo.h>
-#include <../xmalloc.h>
+#include "port-aix.h"
+
+extern ServerOptions options;
 
 /*
  * AIX has a "usrinfo" area where logname and other stuff is stored - 
@@ -41,16 +48,95 @@ void
 aix_usrinfo(struct passwd *pw)
 {
 	u_int i;
+	size_t len;
 	char *cp;
 
-	cp = xmalloc(16 + 2 * strlen(pw->pw_name));
-	i = sprintf(cp, "LOGNAME=%s%cNAME=%s%c", pw->pw_name, 0, 
-	    pw->pw_name, 0);
+	len = sizeof("LOGNAME= NAME= ") + (2 * strlen(pw->pw_name));
+	cp = xmalloc(len);
+
+	i = snprintf(cp, len, "LOGNAME=%s%cNAME=%s%c", pw->pw_name, '\0', 
+	    pw->pw_name, '\0');
 	if (usrinfo(SETUINFO, cp, i) == -1)
 		fatal("Couldn't set usrinfo: %s", strerror(errno));
 	debug3("AIX/UsrInfo: set len %d", i);
+
 	xfree(cp);
 }
 
+#ifdef WITH_AIXAUTHENTICATE
+/*
+ * Remove embedded newlines in string (if any).
+ * Used before logging messages returned by AIX authentication functions
+ * so the message is logged on one line.
+ */
+void
+aix_remove_embedded_newlines(char *p)
+{
+	if (p == NULL)
+		return;
+
+	for (; *p; p++) {
+		if (*p == '\n')
+			*p = ' ';
+	}
+	/* Remove trailing whitespace */
+	if (*--p == ' ')
+		*p = '\0';
+}
+#endif /* WITH_AIXAUTHENTICATE */
+  
+# ifdef CUSTOM_FAILED_LOGIN
+/*
+ * record_failed_login: generic "login failed" interface function
+ */
+void
+record_failed_login(const char *user, const char *ttyname)
+{
+	char *hostname = get_canonical_hostname(options.use_dns);
+
+	if (geteuid() != 0)
+		return;
+
+	aix_setauthdb(user);
+#  ifdef AIX_LOGINFAILED_4ARG
+	loginfailed((char *)user, hostname, (char *)ttyname, AUDIT_FAIL_AUTH);
+#  else
+	loginfailed((char *)user, hostname, (char *)ttyname);
+#  endif
+}
+
+/*
+ * If we have setauthdb, retrieve the password registry for the user's
+ * account then feed it to setauthdb.  This may load registry-specific method
+ * code.  If we don't have setauthdb or have already called it this is a no-op.
+ */
+void
+aix_setauthdb(const char *user)
+{
+#  ifdef HAVE_SETAUTHDB
+	static char *registry = NULL;
+
+	if (registry != NULL)	/* have already done setauthdb */
+		return;
+
+	if (setuserdb(S_READ) == -1) {
+		debug3("%s: Could not open userdb to read", __func__);
+		return;
+	}
+	
+	if (getuserattr((char *)user, S_REGISTRY, &registry, SEC_CHAR) == 0) {
+		if (setauthdb(registry, NULL) == 0)
+			debug3("%s: AIX/setauthdb set registry %s", __func__,
+			    registry);
+		else 
+			debug3("%s: AIX/setauthdb set registry %s failed: %s",
+			    __func__, registry, strerror(errno));
+	} else
+		debug3("%s: Could not read S_REGISTRY for user: %s", __func__,
+		    strerror(errno));
+	enduserdb();
+#  endif
+}
+# endif /* CUSTOM_FAILED_LOGIN */
 #endif /* _AIX */