Correctly audit hostname and IP address
Resolves: RHEL-22316 Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
This commit is contained in:
Zoltan Fridrich
parent
03eff3f0f1
commit
7fedb4cdc0
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@ -0,0 +1,106 @@
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diff --color -ruNp a/audit-linux.c b/audit-linux.c
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--- a/audit-linux.c 2024-05-09 12:38:08.843017319 +0200
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+++ b/audit-linux.c 2024-05-09 12:47:05.162267634 +0200
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@@ -52,7 +52,7 @@ extern u_int utmp_len;
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const char *audit_username(void);
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static void
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-linux_audit_user_logxxx(int uid, const char *username,
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+linux_audit_user_logxxx(int uid, const char *username, const char *hostname,
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const char *ip, const char *ttyn, int success, int event)
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{
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int audit_fd, rc, saved_errno;
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@@ -66,7 +66,7 @@ linux_audit_user_logxxx(int uid, const c
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}
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rc = audit_log_acct_message(audit_fd, event,
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NULL, "login", username ? username : "(unknown)",
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- username == NULL ? uid : -1, NULL, ip, ttyn, success);
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+ username == NULL ? uid : -1, hostname, ip, ttyn, success);
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saved_errno = errno;
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close(audit_fd);
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@@ -181,9 +181,11 @@ audit_run_command(struct ssh *ssh, const
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{
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if (!user_login_count++)
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_LOGIN);
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_START);
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return 0;
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@@ -193,10 +195,12 @@ void
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audit_end_command(struct ssh *ssh, int handle, const char *command)
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{
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_END);
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if (user_login_count && !--user_login_count)
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_LOGOUT);
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}
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@@ -211,19 +215,27 @@ void
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audit_session_open(struct logininfo *li)
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{
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if (!user_login_count++)
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- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
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+ linux_audit_user_logxxx(li->uid, NULL,
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+ options.use_dns ? li->hostname : NULL,
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+ options.use_dns ? NULL : li->hostname,
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li->line, 1, AUDIT_USER_LOGIN);
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- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
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+ linux_audit_user_logxxx(li->uid, NULL,
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+ options.use_dns ? li->hostname : NULL,
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+ options.use_dns ? NULL : li->hostname,
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li->line, 1, AUDIT_USER_START);
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}
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void
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audit_session_close(struct logininfo *li)
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{
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- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
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+ linux_audit_user_logxxx(li->uid, NULL,
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+ options.use_dns ? li->hostname : NULL,
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+ options.use_dns ? NULL : li->hostname,
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li->line, 1, AUDIT_USER_END);
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if (user_login_count && !--user_login_count)
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- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
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+ linux_audit_user_logxxx(li->uid, NULL,
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+ options.use_dns ? li->hostname : NULL,
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+ options.use_dns ? NULL : li->hostname,
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li->line, 1, AUDIT_USER_LOGOUT);
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}
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@@ -236,6 +248,7 @@ audit_event(struct ssh *ssh, ssh_audit_e
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linux_audit_user_auth(-1, audit_username(),
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ssh_remote_ipaddr(ssh), "ssh", 0, event);
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linux_audit_user_logxxx(-1, audit_username(),
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh), "ssh", 0, AUDIT_USER_LOGIN);
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break;
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case SSH_AUTH_FAIL_PASSWD:
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@@ -254,9 +267,11 @@ audit_event(struct ssh *ssh, ssh_audit_e
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if (user_login_count) {
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while (user_login_count--)
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_END);
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linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh),
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"ssh", 1, AUDIT_USER_LOGOUT);
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}
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@@ -265,6 +280,7 @@ audit_event(struct ssh *ssh, ssh_audit_e
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case SSH_CONNECTION_ABANDON:
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case SSH_INVALID_USER:
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linux_audit_user_logxxx(-1, audit_username(),
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+ options.use_dns ? remote_hostname(ssh) : NULL,
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ssh_remote_ipaddr(ssh), "ssh", 0, AUDIT_USER_LOGIN);
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break;
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default:
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@ -47,7 +47,7 @@
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# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
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%global openssh_ver 8.7p1
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%global openssh_rel 39
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%global openssh_rel 40
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%global pam_ssh_agent_ver 0.10.4
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%global pam_ssh_agent_rel 5
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@ -84,6 +84,8 @@ Patch100: openssh-6.7p1-coverity.patch
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Patch200: openssh-7.6p1-audit.patch
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# Audit race condition in forked child (#1310684)
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Patch201: openssh-7.1p2-audit-race-condition.patch
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# Correctly audit hostname and IP address
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Patch202: openssh-8.7p1-audit-hostname.patch
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# --- pam_ssh-agent ---
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# make it build reusing the openssh sources
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@ -484,6 +486,7 @@ popd
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%patch200 -p1 -b .audit
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%patch201 -p1 -b .audit-race
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%patch202 -p1 -b .audit-hostname
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%patch700 -p1 -b .fips
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%patch1000 -p1 -b .minimize-sha1-use
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@ -798,6 +801,10 @@ test -f %{sysconfig_anaconda} && \
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%endif
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%changelog
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* Thu May 02 2024 Zoltan Fridrich <zfridric@redhat.com> - 8.7p1-40
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- Correctly audit hostname and IP address
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Resolves: RHEL-22316
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* Wed Apr 24 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-39
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- Use FIPS-compatible API for key derivation
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Resolves: RHEL-32809
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