From b6b00dd55e035bfbe311a527b567962ffa77ee43 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 26 Jun 2024 18:18:37 +0200 Subject: Merging upstream version 1:4.15.2. Signed-off-by: Daniel Baumann --- lib/audit_help.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 lib/audit_help.c (limited to 'lib/audit_help.c') diff --git a/lib/audit_help.c b/lib/audit_help.c new file mode 100644 index 0000000..54109f0 --- /dev/null +++ b/lib/audit_help.c @@ -0,0 +1,89 @@ +/* + * SPDX-FileCopyrightText: 2005 , Red Hat, Inc. + * SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko + * SPDX-FileCopyrightText: 2008 , Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/* + * Audit helper functions used throughout shadow + * + */ + +#include + +#ifdef WITH_AUDIT + +#include +#include +#include +#include +#include +#include + +#include "attr.h" +#include "prototypes.h" +#include "shadowlog.h" +int audit_fd; + +void audit_help_open (void) +{ + audit_fd = audit_open (); + if (audit_fd < 0) { + /* You get these only when the kernel doesn't have + * audit compiled in. */ + if ( (errno == EINVAL) + || (errno == EPROTONOSUPPORT) + || (errno == EAFNOSUPPORT)) { + return; + } + (void) fputs (_("Cannot open audit interface - aborting.\n"), + log_get_logfd()); + exit (EXIT_FAILURE); + } +} + +/* + * This function will log a message to the audit system using a predefined + * message format. Parameter usage is as follows: + * + * type - type of message: AUDIT_USER_CHAUTHTOK for changing any account + * attributes. + * pgname - program's name + * op - operation. "adding user", "changing finger info", "deleting group" + * name - user's account or group name. If not available use NULL. + * id - uid or gid that the operation is being performed on. This is used + * only when user is NULL. + */ +void audit_logger (int type, MAYBE_UNUSED const char *pgname, const char *op, + const char *name, unsigned int id, + shadow_audit_result result) +{ + if (audit_fd < 0) { + return; + } else { + audit_log_acct_message (audit_fd, type, NULL, op, name, id, + NULL, NULL, NULL, result); + } +} + +void audit_logger_message (const char *message, shadow_audit_result result) +{ + if (audit_fd < 0) { + return; + } else { + audit_log_user_message (audit_fd, + AUDIT_USYS_CONFIG, + message, + NULL, /* hostname */ + NULL, /* addr */ + NULL, /* tty */ + result); + } +} + +#else /* WITH_AUDIT */ +extern int ISO_C_forbids_an_empty_translation_unit; +#endif /* WITH_AUDIT */ + -- cgit v1.2.3