Restore audit logs in bash-4.3 or newer versions
Resolves: RHEL-24990
This commit is contained in:
Siteshwar Vashisht
parent
6923d91bb7
commit
2cd7e4238f
@ -1,96 +0,0 @@
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diff -up bash-4.2/config.h.in.audit bash-4.2/config.h.in
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--- bash-4.2/config.h.in.audit 2013-01-31 16:26:16.857698992 +0100
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+++ bash-4.2/config.h.in 2013-01-31 16:26:16.876699255 +0100
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@@ -1131,6 +1131,14 @@
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/* End additions for lib/intl */
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+
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+/* Additions for lib/readline */
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+
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+/* Define if you have <linux/audit.h> and it defines AUDIT_USER_TTY */
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+#undef HAVE_DECL_AUDIT_USER_TTY
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+
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+/* End additions for lib/readline */
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+
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#include "config-bot.h"
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#endif /* _CONFIG_H_ */
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diff -up bash-4.2/configure.in.audit bash-4.2/configure.in
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--- bash-4.2/configure.in.audit 2013-01-31 16:26:16.858699005 +0100
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+++ bash-4.2/configure.ac 2013-01-31 16:26:16.877699269 +0100
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@@ -888,6 +888,8 @@ BASH_FUNC_DUP2_CLOEXEC_CHECK
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BASH_SYS_PGRP_SYNC
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BASH_SYS_SIGNAL_VINTAGE
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+AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
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+
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dnl checking for the presence of certain library symbols
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BASH_SYS_ERRLIST
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BASH_SYS_SIGLIST
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diff -up bash-4.2/lib/readline/readline.c.audit bash-4.2/lib/readline/readline.c
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--- bash-4.2/lib/readline/readline.c.audit 2013-01-31 16:26:16.871699185 +0100
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+++ bash-4.2/lib/readline/readline.c 2013-01-31 17:24:23.902744860 +0100
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@@ -55,6 +55,12 @@
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extern int errno;
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#endif /* !errno */
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+#if defined (HAVE_DECL_AUDIT_USER_TTY)
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+# include <sys/socket.h>
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+# include <linux/audit.h>
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+# include <linux/netlink.h>
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+#endif
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+
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/* System-specific feature definitions and include files. */
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#include "rldefs.h"
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#include "rlmbutil.h"
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@@ -301,7 +307,48 @@ rl_set_prompt (prompt)
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rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
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return 0;
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}
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-
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+
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+#if defined (HAVE_DECL_AUDIT_USER_TTY)
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+/* Report STRING to the audit system. */
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+static void
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+audit_tty (char *string)
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+{
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+ struct sockaddr_nl addr;
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+ struct msghdr msg;
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+ struct nlmsghdr nlm;
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+ struct iovec iov[2];
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+ size_t size;
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+ int fd;
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+
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+ size = strlen (string) + 1;
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+ fd = socket (AF_NETLINK, SOCK_RAW, NETLINK_AUDIT);
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+ if (fd < 0)
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+ return;
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+ nlm.nlmsg_len = NLMSG_LENGTH (size);
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+ nlm.nlmsg_type = AUDIT_USER_TTY;
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+ nlm.nlmsg_flags = NLM_F_REQUEST;
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+ nlm.nlmsg_seq = 0;
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+ nlm.nlmsg_pid = 0;
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+ iov[0].iov_base = &nlm;
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+ iov[0].iov_len = sizeof (nlm);
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+ iov[1].iov_base = string;
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+ iov[1].iov_len = size;
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+ addr.nl_family = AF_NETLINK;
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+ addr.nl_pad = 0;
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+ addr.nl_pid = 0;
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+ addr.nl_groups = 0;
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+ msg.msg_name = &addr;
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+ msg.msg_namelen = sizeof (addr);
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+ msg.msg_iov = iov;
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+ msg.msg_iovlen = 2;
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+ msg.msg_control = NULL;
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+ msg.msg_controllen = 0;
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+ msg.msg_flags = 0;
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+ (void)sendmsg (fd, &msg, 0);
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+ close (fd);
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+}
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+#endif
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+
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/* Read a line of input. Prompt with PROMPT. An empty PROMPT means
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none. A return value of NULL means that EOF was encountered. */
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char *
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12
bash-4.3-audit.patch
Normal file
12
bash-4.3-audit.patch
Normal file
@ -0,0 +1,12 @@
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diff --git a/lib/readline/rlconf.h b/lib/readline/rlconf.h
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--- a/lib/readline/rlconf.h
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+++ b/lib/readline/rlconf.h
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@@ -64,7 +64,7 @@
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/* Define this if you want to enable code that talks to the Linux kernel
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tty auditing system. */
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-/* #define ENABLE_TTY_AUDIT_SUPPORT */
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+#define ENABLE_TTY_AUDIT_SUPPORT
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/* Defaults for the various editing mode indicators, inserted at the beginning
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of the last (maybe only) line of the prompt if show-mode-in-prompt is on */
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11
bash.spec
11
bash.spec
@ -7,7 +7,7 @@
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Version: %{baseversion}%{patchleveltag}
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Name: bash
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Summary: The GNU Bourne Again shell
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Release: 4%{?dist}
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Release: 5%{?dist}
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License: GPLv3+
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Url: https://www.gnu.org/software/bash
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Source0: https://ftp.gnu.org/gnu/bash/bash-%{baseversion}.tar.gz
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@ -32,7 +32,6 @@ Patch105: bash-2.05b-debuginfo.patch
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Patch106: bash-2.05b-manso.patch
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Patch107: bash-2.05b-pgrp_sync.patch
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Patch108: bash-2.05b-xcc.patch
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Patch109: bash-3.2-audit.patch
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Patch110: bash-3.2-ssh_source_bash.patch
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Patch112: bash-infotags.patch
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Patch113: bash-requires.patch
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@ -118,9 +117,13 @@ Patch138: bash-5.0-histtimeformat-segfault.patch
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#2062291 - Segfault in 'buffered_getchar()' function in bash
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Patch139: bash-4.4-fix-buffered_getchar-crash.patch
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# Enable audit logs
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Patch140: bash-4.3-audit.patch
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BuildRequires: texinfo bison
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BuildRequires: ncurses-devel
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BuildRequires: autoconf, gettext
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BuildRequires: audit-libs-devel
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Requires: filesystem >= 3
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Provides: /bin/sh
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Provides: /bin/bash
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@ -341,6 +344,10 @@ end
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%{_libdir}/pkgconfig/%{name}.pc
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%changelog
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* Fri Feb 09 2024 Siteshwar Vashisht <svashisht@redhat.com> - 4.4.20-5
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- Restore audit logs in bash-4.3 or newer versions
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Resolves: RHEL-24990
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* Tue Apr 05 2022 Siteshwar Vashisht <svashisht@redhat.com> - 4.4.20-4
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- Fix a crash in buffered_getchar() function
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Resolves: #2062291
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