#include "includes.h"
#if defined(USE_BSM_AUDIT)
+#include <sys/types.h>
+
+#include <errno.h>
+#include <netdb.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
#include "ssh.h"
#include "log.h"
#include "key.h"
#if defined(HAVE_GETAUDIT_ADDR)
#define AuditInfoStruct auditinfo_addr
#define AuditInfoTermID au_tid_addr_t
-#define GetAuditFunc(a,b) getaudit_addr((a),(b))
-#define GetAuditFuncText "getaudit_addr"
#define SetAuditFunc(a,b) setaudit_addr((a),(b))
#define SetAuditFuncText "setaudit_addr"
#define AUToSubjectFunc au_to_subject_ex
#else
#define AuditInfoStruct auditinfo
#define AuditInfoTermID au_tid_t
-#define GetAuditFunc(a,b) getaudit(a)
-#define GetAuditFuncText "getaudit"
#define SetAuditFunc(a,b) setaudit(a)
#define SetAuditFuncText "setaudit"
#define AUToSubjectFunc au_to_subject
#define AUToReturnFunc(a,b) au_to_return((a), (u_int)(b))
#endif
+#ifndef cannot_audit
extern int cannot_audit(int);
+#endif
extern void aug_init(void);
-extern dev_t aug_get_port(void);
-extern int aug_get_machine(char *, u_int32_t *, u_int32_t *);
extern void aug_save_auid(au_id_t);
extern void aug_save_uid(uid_t);
extern void aug_save_euid(uid_t);
/* Below is the low-level BSM interface code */
+/*
+ * aug_get_machine is only required on IPv6 capable machines, we use a
+ * different mechanism in audit_connection_from() for IPv4-only machines.
+ * getaudit_addr() is only present on IPv6 capable machines.
+ */
+#if defined(HAVE_AUG_GET_MACHINE) || !defined(HAVE_GETAUDIT_ADDR)
+extern int aug_get_machine(char *, u_int32_t *, u_int32_t *);
+#else
+static int
+aug_get_machine(char *host, u_int32_t *addr, u_int32_t *type)
+{
+ struct addrinfo *ai;
+ struct sockaddr_in *in4;
+ struct sockaddr_in6 *in6;
+ int ret = 0, r;
+
+ if ((r = getaddrinfo(host, NULL, NULL, &ai)) != 0) {
+ error("BSM audit: getaddrinfo failed for %.100s: %.100s", host,
+ r == EAI_SYSTEM ? strerror(errno) : gai_strerror(r));
+ return -1;
+ }
+
+ switch (ai->ai_family) {
+ case AF_INET:
+ in4 = (struct sockaddr_in *)ai->ai_addr;
+ *type = AU_IPv4;
+ memcpy(addr, &in4->sin_addr, sizeof(struct in_addr));
+ break;
+#ifdef AU_IPv6
+ case AF_INET6:
+ in6 = (struct sockaddr_in6 *)ai->ai_addr;
+ *type = AU_IPv6;
+ memcpy(addr, &in6->sin6_addr, sizeof(struct in6_addr));
+ break;
+#endif
+ default:
+ error("BSM audit: unknown address family for %.100s: %d",
+ host, ai->ai_family);
+ ret = -1;
+ }
+ freeaddrinfo(ai);
+ return ret;
+}
+#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.