From 93a2d41505981a9f4fd5f1cffec713622215910e Mon Sep 17 00:00:00 2001 From: Darren Tucker Date: Fri, 24 Feb 2012 10:40:41 +1100 Subject: - (dtucker) [audit-bsm.c configure.ac] bug #1968: enable workarounds for BSM audit breakage in Solaris 11. Patch from Magnus Johansson. --- ChangeLog | 4 +++ audit-bsm.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- configure.ac | 9 +++++-- 3 files changed, 89 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 3f5630da..05749a6a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +20120224 + - (dtucker) [audit-bsm.c configure.ac] bug #1968: enable workarounds for BSM + audit breakage in Solaris 11. Patch from Magnus Johansson. + 20120215 - (tim) [openbsd-compat/bsd-misc.h sshd.c] Fix conflicting return type for unsetenv due to rev 1.14 change to setenv.c. Cast unsetenv to void in sshd.c diff --git a/audit-bsm.c b/audit-bsm.c index f196d4f1..61355914 100644 --- a/audit-bsm.c +++ b/audit-bsm.c @@ -1,4 +1,4 @@ -/* $Id: audit-bsm.c,v 1.7 2011/01/17 10:15:29 dtucker Exp $ */ +/* $Id: audit-bsm.c,v 1.8 2012/02/23 23:40:43 dtucker Exp $ */ /* * TODO @@ -45,6 +45,10 @@ #include #include +#ifdef BROKEN_BSM_API +#include +#endif + #include "ssh.h" #include "log.h" #include "key.h" @@ -114,6 +118,12 @@ extern int aug_daemon_session(void); extern Authctxt *the_authctxt; static AuditInfoTermID ssh_bsm_tid; +#ifdef BROKEN_BSM_API +/* For some reason this constant is no longer defined + in Solaris 11. */ +#define BSM_TEXTBUFSZ 256 +#endif + /* Below is the low-level BSM interface code */ /* @@ -161,6 +171,65 @@ aug_get_machine(char *host, u_int32_t *addr, u_int32_t *type) } #endif +#ifdef BROKEN_BSM_API +/* + In Solaris 11 the audit daemon has been moved to SMF. In the process + they simply dropped getacna() from the API, since it read from a now + non-existent config file. This function re-implements getacna() to + read from the SMF repository instead. + */ +int +getacna(char *auditstring, int len) +{ + scf_handle_t *handle = NULL; + scf_property_t *property = NULL; + scf_value_t *value = NULL; + int ret = 0; + + handle = scf_handle_create(SCF_VERSION); + if (handle == NULL) + return -2; /* The man page for getacna on Solaris 10 states + we should return -2 in case of error and set + errno to indicate the error. We don't bother + with errno here, though, since the only use + of this function below doesn't check for errors + anyway. + */ + + ret = scf_handle_bind(handle); + if (ret == -1) + return -2; + + property = scf_property_create(handle); + if (property == NULL) + return -2; + + ret = scf_handle_decode_fmri(handle, + "svc:/system/auditd:default/:properties/preselection/naflags", + NULL, NULL, NULL, NULL, property, 0); + if (ret == -1) + return -2; + + value = scf_value_create(handle); + if (value == NULL) + return -2; + + ret = scf_property_get_value(property, value); + if (ret == -1) + return -2; + + ret = scf_value_get_astring(value, auditstring, len); + if (ret == -1) + return -2; + + scf_value_destroy(value); + scf_property_destroy(property); + scf_handle_destroy(handle); + + return 0; +} +#endif + /* * Check if the specified event is selected (enabled) for auditing. * Returns 1 if the event is selected, 0 if not and -1 on failure. @@ -213,7 +282,15 @@ bsm_audit_record(int typ, char *string, au_event_t event_no) (void) au_write(ad, au_to_text(string)); (void) au_write(ad, AUToReturnFunc(typ, rc)); +#ifdef BROKEN_BSM_API + /* The last argument is the event modifier flags. For + some seemingly undocumented reason it was added in + Solaris 11. */ + rc = au_close(ad, AU_TO_WRITE, event_no, 0); +#else rc = au_close(ad, AU_TO_WRITE, event_no); +#endif + if (rc < 0) error("BSM audit: %s failed to write \"%s\" record: %s", __func__, string, strerror(errno)); diff --git a/configure.ac b/configure.ac index 54fc7d0c..acf529b0 100644 --- a/configure.ac +++ b/configure.ac @@ -1,4 +1,4 @@ -# $Id: configure.ac,v 1.486 2012/01/17 03:03:37 dtucker Exp $ +# $Id: configure.ac,v 1.487 2012/02/23 23:40:43 dtucker Exp $ # # Copyright (c) 1999-2004 Damien Miller # @@ -15,7 +15,7 @@ # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org]) -AC_REVISION($Revision: 1.486 $) +AC_REVISION($Revision: 1.487 $) AC_CONFIG_SRCDIR([ssh.c]) AC_LANG([C]) @@ -1434,6 +1434,11 @@ AC_ARG_WITH([audit], # These are optional AC_CHECK_FUNCS([getaudit_addr aug_get_machine]) AC_DEFINE([USE_BSM_AUDIT], [1], [Use BSM audit module]) + if test "$sol2ver" -eq 11; then + SSHDLIBS="$SSHDLIBS -lscf" + AC_DEFINE([BROKEN_BSM_API], [1], + [The system has incomplete BSM API]) + fi ;; linux) AC_MSG_RESULT([linux]) -- cgit v1.2.3