SHA256
3
0
forked from pool/bash
bash/audit-rl-patch
2013-01-09 10:03:33 +00:00

100 lines
2.5 KiB
Plaintext

--- readline-6.2/config.h.in
+++ readline-6.2/config.h.in 2013-01-09 09:31:06.833952652 +0000
@@ -251,6 +251,9 @@
#undef CTYPE_NON_ASCII
+/* Define if you have <linux/audit.h> and it defines AUDIT_USER_TTY */
+#undef HAVE_DECL_AUDIT_USER_TTY
+
/* modify settings or make new ones based on what autoconf tells us. */
/* Ultrix botches type-ahead when switching from canonical to
--- readline-6.2/configure.in
+++ readline-6.2/configure.in 2013-01-09 09:33:09.125452625 +0000
@@ -159,6 +159,8 @@ AC_CHECK_HEADERS(sys/ptem.h,,,
AC_SYS_LARGEFILE
+AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
+
BASH_SYS_SIGNAL_VINTAGE
BASH_SYS_REINSTALL_SIGHANDLERS
--- readline-6.2/readline.c
+++ readline-6.2/readline.c 2009-01-21 16:40:12.000000000 +0000
@@ -55,6 +55,12 @@
extern int errno;
#endif /* !errno */
+#if defined (HAVE_DECL_AUDIT_USER_TTY)
+# include <sys/socket.h>
+# include <linux/audit.h>
+# include <linux/netlink.h>
+#endif
+
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#include "rlmbutil.h"
@@ -297,7 +303,47 @@ rl_set_prompt (prompt)
rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
return 0;
}
-
+
+#if defined (HAVE_DECL_AUDIT_USER_TTY)
+/* Report STRING to the audit system. */
+static void
+audit_tty (char *string)
+{
+ struct sockaddr_nl addr;
+ struct msghdr msg;
+ struct nlmsghdr nlm;
+ struct iovec iov[2];
+ size_t size;
+ int fd;
+
+ size = strlen (string) + 1;
+ fd = socket (AF_NETLINK, SOCK_RAW, NETLINK_AUDIT);
+ if (fd < 0)
+ return;
+ nlm.nlmsg_len = NLMSG_LENGTH (size);
+ nlm.nlmsg_type = AUDIT_USER_TTY;
+ nlm.nlmsg_flags = NLM_F_REQUEST;
+ nlm.nlmsg_seq = 0;
+ nlm.nlmsg_pid = 0;
+ iov[0].iov_base = &nlm;
+ iov[0].iov_len = sizeof (nlm);
+ iov[1].iov_base = string;
+ iov[1].iov_len = size;
+ addr.nl_family = AF_NETLINK;
+ addr.nl_pid = 0;
+ addr.nl_groups = 0;
+ msg.msg_name = &addr;
+ msg.msg_namelen = sizeof (addr);
+ msg.msg_iov = iov;
+ msg.msg_iovlen = 2;
+ msg.msg_control = NULL;
+ msg.msg_controllen = 0;
+ msg.msg_flags = 0;
+ (void)sendmsg (fd, &msg, 0);
+ close (fd);
+}
+#endif
+
/* Read a line of input. Prompt with PROMPT. An empty PROMPT means
none. A return value of NULL means that EOF was encountered. */
char *
@@ -348,6 +394,11 @@ readline (prompt)
RL_SETSTATE (RL_STATE_CALLBACK);
#endif
+#if defined (HAVE_DECL_AUDIT_USER_TTY)
+ if (value != NULL)
+ audit_tty (value);
+#endif
+
return (value);
}