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/* * Copyright (c) 1999-2020 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce * support for mandatory and extensible security protections. This notice * is included in support of clause 2.2 (b) of the Apple Public License, * Version 2.0. */ #include <sys/types.h> #include <sys/vnode_internal.h> #include <sys/ipc.h> #include <sys/sem.h> #include <sys/socketvar.h> #include <sys/socket.h> #include <sys/queue.h> #include <sys/fcntl.h> #include <sys/user.h> #include <sys/ipc.h> #include <bsm/audit.h> #include <bsm/audit_internal.h> #include <bsm/audit_record.h> #include <bsm/audit_kevents.h> #include <security/audit/audit.h> #include <security/audit/audit_bsd.h> #include <security/audit/audit_private.h> #include <netinet/in_systm.h> #include <netinet/in.h> #include <netinet/ip.h> #if CONFIG_AUDIT MALLOC_DEFINE(M_AUDITBSM, "audit_bsm", "Audit BSM data"); #if CONFIG_MACF #include <security/mac_framework.h> #endif static void audit_sys_auditon(struct audit_record *ar, struct au_record *rec); static void audit_sys_fcntl(struct kaudit_record *kar, struct au_record *rec); /* * Initialize the BSM auditing subsystem. */ void kau_init(void) { au_evclassmap_init(); } /* * This call reserves memory for the audit record. Memory must be guaranteed * before any auditable event can be generated. The au_record structure * maintains a reference to the memory allocated above and also the list of * tokens associated with this record. */ static struct au_record * kau_open(void) { struct au_record *rec; rec = kalloc_type(struct au_record, Z_WAITOK | Z_ZERO | Z_NOFAIL); TAILQ_INIT(&rec->token_q); rec->used = 1; rec->data = NULL; return rec; } /* * Store the token with the record descriptor. */ static void kau_write(struct au_record *rec, struct au_token *tok) { KASSERT(tok != NULL, ("kau_write: tok == NULL")); TAILQ_INSERT_TAIL(&rec->token_q, tok, tokens); rec->len += tok->len; } /* * Close out the audit record by adding the header token, identifying any * missing tokens. Write out the tokens to the record memory. */ static int kau_close(struct au_record *rec, struct timespec *ctime, short event) { u_char *dptr; size_t tot_rec_size; token_t *cur, *hdr, *trail; struct timeval tm; size_t hdrsize; struct auditinfo_addr ak; struct in6_addr *ap; audit_get_kinfo(&ak); hdrsize = 0; switch (ak.ai_termid.at_type) { case AU_IPv4: hdrsize = (ak.ai_termid.at_addr[0] == INADDR_ANY) ? AUDIT_HEADER_SIZE : AUDIT_HEADER_EX_SIZE(&ak); break; case AU_IPv6: ap = (struct in6_addr *)&ak.ai_termid.at_addr[0]; hdrsize = (IN6_IS_ADDR_UNSPECIFIED(ap)) ? AUDIT_HEADER_SIZE : AUDIT_HEADER_EX_SIZE(&ak); break; default: panic("kau_close: invalid address family"); } tot_rec_size = rec->len + hdrsize + AUDIT_TRAILER_SIZE; rec->data = kalloc_data(tot_rec_size, Z_WAITOK | Z_ZERO); if (rec->data == NULL) { return ENOMEM; } tm.tv_usec = ctime->tv_nsec / 1000; tm.tv_sec = ctime->tv_sec; if (hdrsize != AUDIT_HEADER_SIZE) { hdr = au_to_header32_ex_tm(tot_rec_size, event, 0, tm, &ak); } else { hdr = au_to_header32_tm(tot_rec_size, event, 0, tm); } TAILQ_INSERT_HEAD(&rec->token_q, hdr, tokens); trail = au_to_trailer(tot_rec_size); TAILQ_INSERT_TAIL(&rec->token_q, trail, tokens); rec->len = tot_rec_size; dptr = rec->data; TAILQ_FOREACH(cur, &rec->token_q, tokens) { memcpy(dptr, cur->t_data, cur->len); dptr += cur->len; } return 0; } /* * Free a BSM audit record by releasing all the tokens and clearing the audit * record information. */ void kau_free(struct au_record *rec) { struct au_token *tok; /* Free the token list. */ while ((tok = TAILQ_FIRST(&rec->token_q))) { TAILQ_REMOVE(&rec->token_q, tok, tokens); kfree_data(tok->t_data, tok->len); kfree_type(token_t, tok); } if (rec->data != NULL) { kfree_data(rec->data, rec->len); } kfree_type(struct au_record, rec); } /* * XXX: May want turn some (or all) of these macros into functions in order * to reduce the generated code size. * * XXXAUDIT: These macros assume that 'kar', 'ar', 'rec', and 'tok' in the * caller are OK with this. */ #if CONFIG_MACF #define MAC_VNODE1_LABEL_TOKEN do { \ if (ar->ar_vnode1_mac_labels != NULL && \ strlen(ar->ar_vnode1_mac_labels) != 0) { \ tok = au_to_text(ar->ar_vnode1_mac_labels); \ kau_write(rec, tok); \ } \ } while (0) #define MAC_VNODE2_LABEL_TOKEN do { \ if (ar->ar_vnode2_mac_labels != NULL && \ strlen(ar->ar_vnode2_mac_labels) != 0) { \ tok = au_to_text(ar->ar_vnode2_mac_labels); \ kau_write(rec, tok); \ } \ } while (0) #else #define MAC_VNODE1_LABEL_TOKEN #define MAC_VNODE2_LABEL_TOKEN #endif #define UPATH1_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ tok = au_to_path(ar->ar_arg_upath1); \ kau_write(rec, tok); \ } \ } while (0) #define UPATH2_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_UPATH2)) { \ tok = au_to_path(ar->ar_arg_upath2); \ kau_write(rec, tok); \ } \ } while (0) #define KPATH2_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_KPATH2)) { \ tok = au_to_path(ar->ar_arg_kpath2); \ kau_write(rec, tok); \ } \ } while (0) #define VNODE1_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \ tok = au_to_path(ar->ar_arg_kpath1); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ tok = au_to_attr32(&ar->ar_arg_vnode1); \ kau_write(rec, tok); \ MAC_VNODE1_LABEL_TOKEN; \ } \ } while (0) #define UPATH1_VNODE1_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_UPATH1)) { \ tok = au_to_path(ar->ar_arg_upath1); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \ tok = au_to_path(ar->ar_arg_kpath1); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ tok = au_to_attr32(&ar->ar_arg_vnode1); \ kau_write(rec, tok); \ MAC_VNODE1_LABEL_TOKEN; \ } \ } while (0) #define VNODE2_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_VNODE2)) { \ tok = au_to_attr32(&ar->ar_arg_vnode2); \ kau_write(rec, tok); \ MAC_VNODE2_LABEL_TOKEN; \ } \ } while (0) #define VNODE2_PATH_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_KPATH2)) { \ tok = au_to_path(ar->ar_arg_kpath2); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_VNODE2)) { \ tok = au_to_attr32(&ar->ar_arg_vnode2); \ kau_write(rec, tok); \ MAC_VNODE2_LABEL_TOKEN; \ } \ } while (0) #define FD_VNODE1_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_VNODE1)) { \ if (ARG_IS_VALID(kar, ARG_KPATH1)) { \ tok = au_to_path(ar->ar_arg_kpath1); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_FD)) { \ tok = au_to_arg32(1, "fd", ar->ar_arg_fd); \ kau_write(rec, tok); \ MAC_VNODE1_LABEL_TOKEN; \ } \ tok = au_to_attr32(&ar->ar_arg_vnode1); \ kau_write(rec, tok); \ } else { \ if (ARG_IS_VALID(kar, ARG_FD)) { \ tok = au_to_arg32(1, "fd", \ ar->ar_arg_fd); \ kau_write(rec, tok); \ MAC_VNODE1_LABEL_TOKEN; \ } \ } \ } while (0) #define PROCESS_PID_TOKENS(argn) do { \ if ((ar->ar_arg_pid > 0) /* Reference a single process */ \ && (ARG_IS_VALID(kar, ARG_PROCESS))) { \ tok = au_to_process32_ex(ar->ar_arg_auid, \ ar->ar_arg_euid, ar->ar_arg_egid, \ ar->ar_arg_ruid, ar->ar_arg_rgid, \ ar->ar_arg_pid, ar->ar_arg_asid, \ &ar->ar_arg_termid_addr); \ kau_write(rec, tok); \ } else if (ARG_IS_VALID(kar, ARG_PID)) { \ tok = au_to_arg32(argn, "process", ar->ar_arg_pid); \ kau_write(rec, tok); \ } \ } while (0) #define EXTATTR_TOKENS do { \ if (ARG_IS_VALID(kar, ARG_VALUE32)) { \ switch (ar->ar_arg_value32) { \ case EXTATTR_NAMESPACE_USER: \ tok = au_to_text(EXTATTR_NAMESPACE_USER_STRING);\ break; \ case EXTATTR_NAMESPACE_SYSTEM: \ tok = au_to_text(EXTATTR_NAMESPACE_SYSTEM_STRING);\ break; \ default: \ tok = au_to_arg32(3, "attrnamespace", \ ar->ar_arg_value32); \ break; \ } \ kau_write(rec, tok); \ } \ /* attrname is in the text field */ \ if (ARG_IS_VALID(kar, ARG_TEXT)) { \ tok = au_to_text(ar->ar_arg_text); \ kau_write(rec, tok); \ } \ } while (0) #define EXTENDED_TOKENS(n) do { \ /* ACL data */ \ if (ARG_IS_VALID(kar, ARG_OPAQUE)) { \ tok = au_to_opaque(ar->ar_arg_opaque, \ ar->ar_arg_opq_size); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_MODE)) { \ tok = au_to_arg32(n+2, "mode", ar->ar_arg_mode);\ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_GID)) { \ tok = au_to_arg32(n+1, "gid", ar->ar_arg_gid); \ kau_write(rec, tok); \ } \ if (ARG_IS_VALID(kar, ARG_UID)) { \ tok = au_to_arg32(n, "uid", ar->ar_arg_uid); \ kau_write(rec, tok); \ } \ } while (0) #define PROCESS_MAC_TOKENS do { \ if (ar->ar_valid_arg & ARG_MAC_STRING) { \ tok = au_to_text(ar->ar_arg_mac_string); \ kau_write(rec, tok); \ } \ } while (0) /* * Implement auditing for the auditon() system call. The audit tokens that * are generated depend on the command that was sent into the auditon() * system call. */ static void audit_sys_auditon(struct audit_record *ar, struct au_record *rec) { struct au_token *tok; switch (ar->ar_arg_cmd) { case A_OLDSETPOLICY: if (ar->ar_arg_len > sizeof(int)) { tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg64(2, "policy", ar->ar_arg_auditon.au_policy64); kau_write(rec, tok); break; } OS_FALLTHROUGH; case A_SETPOLICY: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "policy", ar->ar_arg_auditon.au_policy); kau_write(rec, tok); break; case A_SETKMASK: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setkmask:as_success", ar->ar_arg_auditon.au_mask.am_success); kau_write(rec, tok); tok = au_to_arg32(2, "setkmask:as_failure", ar->ar_arg_auditon.au_mask.am_failure); kau_write(rec, tok); break; case A_OLDSETQCTRL: if (ar->ar_arg_len > sizeof(au_qctrl_t)) { tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg64(2, "setqctrl:aq_hiwater", ar->ar_arg_auditon.au_qctrl64.aq64_hiwater); kau_write(rec, tok); tok = au_to_arg64(2, "setqctrl:aq_lowater", ar->ar_arg_auditon.au_qctrl64.aq64_lowater); kau_write(rec, tok); tok = au_to_arg64(2, "setqctrl:aq_bufsz", ar->ar_arg_auditon.au_qctrl64.aq64_bufsz); kau_write(rec, tok); tok = au_to_arg64(2, "setqctrl:aq_delay", ar->ar_arg_auditon.au_qctrl64.aq64_delay); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_minfree", ar->ar_arg_auditon.au_qctrl64.aq64_minfree); kau_write(rec, tok); break; } OS_FALLTHROUGH; case A_SETQCTRL: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_hiwater", ar->ar_arg_auditon.au_qctrl.aq_hiwater); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_lowater", ar->ar_arg_auditon.au_qctrl.aq_lowater); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_bufsz", ar->ar_arg_auditon.au_qctrl.aq_bufsz); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_delay", ar->ar_arg_auditon.au_qctrl.aq_delay); kau_write(rec, tok); tok = au_to_arg32(2, "setqctrl:aq_minfree", ar->ar_arg_auditon.au_qctrl.aq_minfree); kau_write(rec, tok); break; case A_SETUMASK: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setumask:as_success", ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); kau_write(rec, tok); tok = au_to_arg32(2, "setumask:as_failure", ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); kau_write(rec, tok); break; case A_SETSMASK: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setsmask:as_success", ar->ar_arg_auditon.au_auinfo.ai_mask.am_success); kau_write(rec, tok); tok = au_to_arg32(2, "setsmask:as_failure", ar->ar_arg_auditon.au_auinfo.ai_mask.am_failure); kau_write(rec, tok); break; case A_OLDSETCOND: if (ar->ar_arg_len > sizeof(int)) { tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg64(2, "setcond", ar->ar_arg_auditon.au_cond64); kau_write(rec, tok); break; } OS_FALLTHROUGH; case A_SETCOND: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setcond", ar->ar_arg_auditon.au_cond); kau_write(rec, tok); break; case A_SETCLASS: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setclass:ec_event", ar->ar_arg_auditon.au_evclass.ec_number); kau_write(rec, tok); tok = au_to_arg32(3, "setclass:ec_class", ar->ar_arg_auditon.au_evclass.ec_class); kau_write(rec, tok); break; case A_SETPMASK: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setpmask:as_success", ar->ar_arg_auditon.au_aupinfo.ap_mask.am_success); kau_write(rec, tok); tok = au_to_arg32(2, "setpmask:as_failure", ar->ar_arg_auditon.au_aupinfo.ap_mask.am_failure); kau_write(rec, tok); break; case A_SETFSIZE: tok = au_to_arg32(3, "length", ar->ar_arg_len); kau_write(rec, tok); tok = au_to_arg32(2, "setfsize:filesize", ar->ar_arg_auditon.au_fstat.af_filesz); kau_write(rec, tok); break; default: break; } tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd); kau_write(rec, tok); } /* * Implement auditing for the fcntl() system call. The audit tokens that * are generated depend on the command that was sent into the fcntl() * system call. */ static void audit_sys_fcntl(struct kaudit_record *kar, struct au_record *rec) { struct au_token *tok; struct audit_record *ar = &kar->k_ar; switch (ar->ar_arg_cmd) { case F_DUPFD: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "min fd", ar->ar_arg_value32); kau_write(rec, tok); } break; case F_SETFD: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "close-on-exec flag", ar->ar_arg_value32); kau_write(rec, tok); } break; case F_SETFL: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "fd flags", ar->ar_arg_value32); kau_write(rec, tok); } break; case F_SETOWN: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "pid", ar->ar_arg_value32); kau_write(rec, tok); } break; #ifdef F_SETSIZE case F_SETSIZE: if (ARG_IS_VALID(kar, ARG_VALUE64)) { tok = au_to_arg64(3, "offset", ar->ar_arg_value64); kau_write(rec, tok); } break; #endif /* F_SETSIZE */ #ifdef F_PATHPKG_CHECK case F_PATHPKG_CHECK: if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } break; #endif default: break; } tok = au_to_arg32(2, "cmd", au_fcntl_cmd_to_bsm(ar->ar_arg_cmd)); kau_write(rec, tok); } /* * Convert an internal kernel audit record to a BSM record and return a * success/failure indicator. The BSM record is passed as an out parameter to * this function. * * Return conditions: * BSM_SUCCESS: The BSM record is valid * BSM_FAILURE: Failure; the BSM record is NULL. * BSM_NOAUDIT: The event is not auditable for BSM; the BSM record is NULL. */ int kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau) { struct au_token *tok = NULL, *subj_tok; struct au_record *rec = NULL; au_tid_t tid; struct audit_record *ar; int ctr; u_int uctr; int rv; KASSERT(kar != NULL, ("kaudit_to_bsm: kar == NULL")); *pau = NULL; ar = &kar->k_ar; rec = kau_open(); /* * Create the subject token. */ switch (ar->ar_subj_term_addr.at_type) { case AU_IPv4: tid.port = ar->ar_subj_term_addr.at_port; tid.machine = ar->ar_subj_term_addr.at_addr[0]; subj_tok = au_to_subject32(ar->ar_subj_auid, /* audit ID */ ar->ar_subj_cred.cr_uid, /* eff uid */ ar->ar_subj_egid, /* eff group id */ ar->ar_subj_ruid, /* real uid */ ar->ar_subj_rgid, /* real group id */ ar->ar_subj_pid, /* process id */ ar->ar_subj_asid, /* session ID */ &tid); break; case AU_IPv6: subj_tok = au_to_subject32_ex(ar->ar_subj_auid, ar->ar_subj_cred.cr_uid, ar->ar_subj_egid, ar->ar_subj_ruid, ar->ar_subj_rgid, ar->ar_subj_pid, ar->ar_subj_asid, &ar->ar_subj_term_addr); break; default: bzero(&tid, sizeof(tid)); subj_tok = au_to_subject32(ar->ar_subj_auid, ar->ar_subj_cred.cr_uid, ar->ar_subj_egid, ar->ar_subj_ruid, ar->ar_subj_rgid, ar->ar_subj_pid, ar->ar_subj_asid, &tid); } /* * The logic inside each case fills in the tokens required for the * event, except for the header, trailer, and return tokens. The * header and trailer tokens are added by the kau_close() function. * The return token is added outside of the switch statement. */ switch (ar->ar_event) { case AUE_SENDFILE: /* For sendfile the file and socket descriptor are both saved */ if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(2, "sd", ar->ar_arg_value32); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_ACCEPT: case AUE_BIND: case AUE_LISTEN: case AUE_CONNECT: case AUE_RECVFROM: case AUE_RECVMSG: case AUE_SENDMSG: case AUE_SENDTO: /* * Socket-related events. */ if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "fd", ar->ar_arg_fd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_SADDRINET)) { tok = au_to_sock_inet((struct sockaddr_in *) &ar->ar_arg_sockaddr); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_SADDRUNIX)) { tok = au_to_sock_unix((struct sockaddr_un *) &ar->ar_arg_sockaddr); kau_write(rec, tok); UPATH1_TOKENS; } if (ARG_IS_VALID(kar, ARG_SADDRINET6)) { tok = au_to_sock_inet128((struct sockaddr_in6 *) &ar->ar_arg_sockaddr); kau_write(rec, tok); } break; case AUE_SOCKET: case AUE_SOCKETPAIR: if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { tok = au_to_arg32(1, "domain", au_domain_to_bsm(ar->ar_arg_sockinfo.sai_domain)); kau_write(rec, tok); tok = au_to_arg32(2, "type", au_socket_type_to_bsm(ar->ar_arg_sockinfo.sai_type)); kau_write(rec, tok); tok = au_to_arg32(3, "protocol", ar->ar_arg_sockinfo.sai_protocol); kau_write(rec, tok); } break; case AUE_SETSOCKOPT: case AUE_SHUTDOWN: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "fd", ar->ar_arg_fd); kau_write(rec, tok); } break; case AUE_ACCT: if (ARG_IS_VALID(kar, (ARG_KPATH1 | ARG_UPATH1))) { UPATH1_VNODE1_TOKENS; } else { tok = au_to_arg32(1, "accounting off", 0); kau_write(rec, tok); } break; case AUE_SETAUID: if (ARG_IS_VALID(kar, ARG_AUID)) { tok = au_to_arg32(2, "setauid", ar->ar_arg_auid); kau_write(rec, tok); } break; case AUE_SETAUDIT: if (ARG_IS_VALID(kar, ARG_AUID) && ARG_IS_VALID(kar, ARG_ASID) && ARG_IS_VALID(kar, ARG_AMASK) && ARG_IS_VALID(kar, ARG_TERMID)) { tok = au_to_arg32(1, "setaudit:auid", ar->ar_arg_auid); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit:port", ar->ar_arg_termid.port); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit:machine", ar->ar_arg_termid.machine); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit:as_success", ar->ar_arg_amask.am_success); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit:as_failure", ar->ar_arg_amask.am_failure); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit:asid", ar->ar_arg_asid); kau_write(rec, tok); } break; case AUE_SETAUDIT_ADDR: if (ARG_IS_VALID(kar, ARG_AUID) && ARG_IS_VALID(kar, ARG_ASID) && ARG_IS_VALID(kar, ARG_AMASK) && ARG_IS_VALID(kar, ARG_TERMID_ADDR)) { tok = au_to_arg32(1, "setaudit_addr:auid", ar->ar_arg_auid); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit_addr:as_success", ar->ar_arg_amask.am_success); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit_addr:as_failure", ar->ar_arg_amask.am_failure); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit_addr:asid", ar->ar_arg_asid); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit_addr:type", ar->ar_arg_termid_addr.at_type); kau_write(rec, tok); tok = au_to_arg32(1, "setaudit_addr:port", ar->ar_arg_termid_addr.at_port); kau_write(rec, tok); switch (ar->ar_arg_termid_addr.at_type) { case AU_IPv6: tok = au_to_in_addr_ex((struct in6_addr *) &ar->ar_arg_termid_addr.at_addr[0]); kau_write(rec, tok); break; case AU_IPv4: tok = au_to_in_addr((struct in_addr *) &ar->ar_arg_termid_addr.at_addr[0]); kau_write(rec, tok); break; } } break; case AUE_AUDITON: /* * For AUDITON commands without own event, audit the cmd. */ if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(1, "cmd", ar->ar_arg_cmd); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_AUDITON_GETCAR: case AUE_AUDITON_GETCLASS: case AUE_AUDITON_GETCOND: case AUE_AUDITON_GETCWD: case AUE_AUDITON_GETKMASK: case AUE_AUDITON_GETSTAT: case AUE_AUDITON_GPOLICY: case AUE_AUDITON_GQCTRL: case AUE_AUDITON_SETCLASS: case AUE_AUDITON_SETCOND: case AUE_AUDITON_SETKMASK: case AUE_AUDITON_SETSMASK: case AUE_AUDITON_SETSTAT: case AUE_AUDITON_SETUMASK: case AUE_AUDITON_SPOLICY: case AUE_AUDITON_SQCTRL: if (ARG_IS_VALID(kar, ARG_AUDITON)) { audit_sys_auditon(ar, rec); } break; case AUE_AUDITCTL: UPATH1_VNODE1_TOKENS; break; case AUE_EXIT: if (ARG_IS_VALID(kar, ARG_EXIT)) { tok = au_to_exit(ar->ar_arg_exitretval, ar->ar_arg_exitstatus); kau_write(rec, tok); } break; case AUE_ADJTIME: case AUE_AUDIT: case AUE_DUP2: case AUE_GETAUDIT: case AUE_GETAUDIT_ADDR: case AUE_GETAUID: case AUE_GETFSSTAT: case AUE_KQUEUE: case AUE_LSEEK: #if 0 /* XXXss replace with kext */ case AUE_MODLOAD: case AUE_MODUNLOAD: #endif case AUE_MAC_GETFSSTAT: case AUE_PIPE: case AUE_PROFILE: case AUE_SEMSYS: case AUE_SHMSYS: case AUE_SETPGRP: case AUE_SETRLIMIT: case AUE_SETSID: case AUE_SETTIMEOFDAY: case AUE_KDEBUGTRACE: case AUE_PTHREADSIGMASK: /* * Header, subject, and return tokens added at end. */ break; case AUE_MKFIFO: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(2, "mode", ar->ar_arg_mode); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_ACCESS_EXTENDED: /* * The access_extended() argument vector is stored in an * opaque token. */ if (ARG_IS_VALID(kar, ARG_OPAQUE)) { tok = au_to_opaque(ar->ar_arg_opaque, ar->ar_arg_opq_size); kau_write(rec, tok); } /* * The access_extended() result vector is stored in an arbitrary * data token. */ if (ARG_IS_VALID(kar, ARG_DATA)) { tok = au_to_data(AUP_DECIMAL, ar->ar_arg_data_type, ar->ar_arg_data_count, ar->ar_arg_data); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_LSTAT_EXTENDED: case AUE_STAT_EXTENDED: case AUE_ACCESS: case AUE_CHDIR: case AUE_CHROOT: case AUE_GETATTRLIST: case AUE_NFS_GETFH: case AUE_LSTAT: case AUE_PATHCONF: case AUE_READLINK: case AUE_REVOKE: case AUE_RMDIR: case AUE_SEARCHFS: case AUE_SETATTRLIST: case AUE_STAT: case AUE_STATFS: case AUE_TRUNCATE: case AUE_UNDELETE: case AUE_UNLINK: case AUE_UTIMES: UPATH1_VNODE1_TOKENS; break; case AUE_FHOPEN: break; case AUE_CHFLAGS: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_CHMOD: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(2, "new file mode", ar->ar_arg_mode); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_CHOWN: case AUE_LCHOWN: if (ARG_IS_VALID(kar, ARG_UID)) { tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_GID)) { tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_EXCHANGEDATA: UPATH1_VNODE1_TOKENS; UPATH2_TOKENS; break; case AUE_CLOSE: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(2, "fd", ar->ar_arg_fd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_CORE: if (ARG_IS_VALID(kar, ARG_SIGNUM)) { tok = au_to_arg32(0, "signal", ar->ar_arg_signum); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_POSIX_SPAWN: if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(0, "child PID", ar->ar_arg_pid); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_EXECVE: if (ARG_IS_VALID(kar, ARG_ARGV)) { tok = au_to_exec_args(ar->ar_arg_argv, ar->ar_arg_argc); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_ENVV)) { tok = au_to_exec_env(ar->ar_arg_envv, ar->ar_arg_envc); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; VNODE2_PATH_TOKENS; if (ARG_IS_VALID(kar, ARG_DATA)) { tok = au_to_data(AUP_HEX, ar->ar_arg_data_type, ar->ar_arg_data_count, ar->ar_arg_data); kau_write(rec, tok); } break; case AUE_FCHMOD_EXTENDED: EXTENDED_TOKENS(2); FD_VNODE1_TOKENS; break; case AUE_FCHMOD: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(2, "new file mode", ar->ar_arg_mode); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; case AUE_NFS_SVC: tok = au_to_arg32(1, "request", ar->ar_arg_cmd); kau_write(rec, tok); if (ar->ar_valid_arg & (ARG_KPATH1 | ARG_UPATH1)) { UPATH1_VNODE1_TOKENS; } break; /* * XXXRW: Some of these need to handle non-vnode cases as well. */ case AUE_FSTAT_EXTENDED: case AUE_FCHDIR: case AUE_FPATHCONF: case AUE_FSTAT: /* XXX Need to handle sockets and shm */ case AUE_FSTATFS: case AUE_FSYNC: case AUE_FTRUNCATE: case AUE_FUTIMES: case AUE_GETDIRENTRIES: case AUE_GETDIRENTRIESATTR: case AUE_GETATTRLISTBULK: #if 0 /* XXXss new */ case AUE_POLL: #endif case AUE_READ: case AUE_READV: case AUE_PREAD: case AUE_PREADV: case AUE_WRITE: case AUE_WRITEV: case AUE_PWRITE: case AUE_PWRITEV: FD_VNODE1_TOKENS; break; case AUE_FCHOWN: if (ARG_IS_VALID(kar, ARG_UID)) { tok = au_to_arg32(2, "new file uid", ar->ar_arg_uid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_GID)) { tok = au_to_arg32(3, "new file gid", ar->ar_arg_gid); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; case AUE_FCNTL: if (ARG_IS_VALID(kar, ARG_CMD)) { audit_sys_fcntl(kar, rec); } FD_VNODE1_TOKENS; break; case AUE_FSCTL: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(4, "options", ar->ar_arg_value32); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_FFSCTL: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(4, "options", ar->ar_arg_value32); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; case AUE_FCHFLAGS: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; case AUE_FLOCK: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(2, "operation", ar->ar_arg_cmd); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; case AUE_FORK: case AUE_VFORK: if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(0, "child PID", ar->ar_arg_pid); kau_write(rec, tok); } break; case AUE_GETLCID: if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(1, "pid", (u_int32_t)ar->ar_arg_pid); kau_write(rec, tok); } break; case AUE_SETLCID: if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(1, "pid", (u_int32_t)ar->ar_arg_pid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(2, "lcid", (u_int32_t)ar->ar_arg_value32); kau_write(rec, tok); } break; case AUE_IOCTL: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(2, "cmd", ar->ar_arg_cmd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE64)) { tok = au_to_arg64(2, "cmd", ar->ar_arg_value64); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_ADDR64)) { tok = au_to_arg64(3, "arg", ar->ar_arg_addr); kau_write(rec, tok); } else if (ARG_IS_VALID(kar, ARG_ADDR32)) { tok = au_to_arg32(3, "arg", (u_int32_t)ar->ar_arg_addr); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VNODE1)) { FD_VNODE1_TOKENS; } else { if (ARG_IS_VALID(kar, ARG_SOCKINFO)) { tok = au_to_socket_ex( ar->ar_arg_sockinfo.sai_domain, ar->ar_arg_sockinfo.sai_type, (struct sockaddr *) &ar->ar_arg_sockinfo.sai_laddr, (struct sockaddr *) &ar->ar_arg_sockinfo.sai_faddr); kau_write(rec, tok); } else { if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "fd", ar->ar_arg_fd); kau_write(rec, tok); } } } break; case AUE_KILL: if (ARG_IS_VALID(kar, ARG_SIGNUM)) { tok = au_to_arg32(2, "signal", ar->ar_arg_signum); kau_write(rec, tok); } PROCESS_PID_TOKENS(1); break; case AUE_LINK: case AUE_RENAME: UPATH1_VNODE1_TOKENS; UPATH2_TOKENS; KPATH2_TOKENS; break; case AUE_MKDIR_EXTENDED: case AUE_CHMOD_EXTENDED: case AUE_MKFIFO_EXTENDED: EXTENDED_TOKENS(2); UPATH1_VNODE1_TOKENS; break; case AUE_MKDIR: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(2, "mode", ar->ar_arg_mode); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_MKNOD: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(2, "mode", ar->ar_arg_mode); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "dev", ar->ar_arg_value32); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_MMAP: case AUE_MUNMAP: case AUE_MPROTECT: case AUE_MLOCK: case AUE_MUNLOCK: case AUE_MINHERIT: if (ARG_IS_VALID(kar, ARG_ADDR64)) { tok = au_to_arg64(1, "addr", ar->ar_arg_addr); kau_write(rec, tok); } else if (ARG_IS_VALID(kar, ARG_ADDR32)) { tok = au_to_arg32(1, "addr", (u_int32_t)ar->ar_arg_addr); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_LEN)) { tok = au_to_arg64(2, "len", ar->ar_arg_len); kau_write(rec, tok); } if (ar->ar_event == AUE_MMAP) { FD_VNODE1_TOKENS; } if (ar->ar_event == AUE_MPROTECT) { if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "protection", ar->ar_arg_value32); kau_write(rec, tok); } } if (ar->ar_event == AUE_MINHERIT) { if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "inherit", ar->ar_arg_value32); kau_write(rec, tok); } } break; #if CONFIG_MACF case AUE_MAC_MOUNT: PROCESS_MAC_TOKENS; OS_FALLTHROUGH; #endif case AUE_MOUNT: /* XXX Need to handle NFS mounts */ if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_UMOUNT: case AUE_UNMOUNT: UPATH1_VNODE1_TOKENS; break; case AUE_FMOUNT: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(2, "dir fd", ar->ar_arg_fd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } break; case AUE_FUNMOUNT: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(2, "dir fd", ar->ar_arg_fd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } break; case AUE_MSGCTL: ar->ar_event = audit_msgctl_to_event(ar->ar_arg_svipc_cmd); OS_FALLTHROUGH; case AUE_MSGRCV: case AUE_MSGSND: tok = au_to_arg32(1, "msg ID", ar->ar_arg_svipc_id); kau_write(rec, tok); if (ar->ar_errno != EINVAL) { tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id); kau_write(rec, tok); } break; case AUE_MSGGET: if (ar->ar_errno == 0) { if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_ipc(AT_IPC_MSG, ar->ar_arg_svipc_id); kau_write(rec, tok); } } break; case AUE_OPEN: case AUE_OPEN_R: case AUE_OPEN_RT: case AUE_OPEN_RW: case AUE_OPEN_RWT: case AUE_OPEN_W: case AUE_OPEN_WT: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPEN_RC: case AUE_OPEN_RTC: case AUE_OPEN_RWC: case AUE_OPEN_RWTC: case AUE_OPEN_WC: case AUE_OPEN_WTC: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(3, "mode", ar->ar_arg_mode); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPEN_EXTENDED: case AUE_OPEN_EXTENDED_R: case AUE_OPEN_EXTENDED_RT: case AUE_OPEN_EXTENDED_RW: case AUE_OPEN_EXTENDED_RWT: case AUE_OPEN_EXTENDED_W: case AUE_OPEN_EXTENDED_WT: EXTENDED_TOKENS(3); if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPEN_EXTENDED_RC: case AUE_OPEN_EXTENDED_RTC: case AUE_OPEN_EXTENDED_RWC: case AUE_OPEN_EXTENDED_RWTC: case AUE_OPEN_EXTENDED_WC: case AUE_OPEN_EXTENDED_WTC: EXTENDED_TOKENS(3); if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPENAT: case AUE_OPENAT_R: case AUE_OPENAT_RT: case AUE_OPENAT_RW: case AUE_OPENAT_RWT: case AUE_OPENAT_W: case AUE_OPENAT_WT: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "dir fd", ar->ar_arg_fd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPENAT_RC: case AUE_OPENAT_RTC: case AUE_OPENAT_RWC: case AUE_OPENAT_RWTC: case AUE_OPENAT_WC: case AUE_OPENAT_WTC: if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(4, "mode", ar->ar_arg_mode); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "dir fd", ar->ar_arg_fd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_OPENBYID: case AUE_OPENBYID_R: case AUE_OPENBYID_RT: case AUE_OPENBYID_RW: case AUE_OPENBYID_RWT: case AUE_OPENBYID_W: case AUE_OPENBYID_WT: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(3, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(1, "volfsid", ar->ar_arg_value32); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE64)) { tok = au_to_arg64(2, "objid", ar->ar_arg_value64); kau_write(rec, tok); } break; case AUE_RENAMEAT: case AUE_FACCESSAT: case AUE_FCHMODAT: case AUE_FCHOWNAT: case AUE_FSTATAT: case AUE_LINKAT: case AUE_UNLINKAT: case AUE_READLINKAT: case AUE_SYMLINKAT: case AUE_MKDIRAT: case AUE_GETATTRLISTAT: case AUE_SETATTRLISTAT: case AUE_MKFIFOAT: case AUE_MKNODAT: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "dir fd", ar->ar_arg_fd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_CLONEFILEAT: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "src dir fd", ar->ar_arg_fd); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; if (ARG_IS_VALID(kar, ARG_FD2)) { tok = au_to_arg32(1, "dst dir fd", ar->ar_arg_fd2); kau_write(rec, tok); } UPATH2_TOKENS; if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(1, "flags", ar->ar_arg_value32); kau_write(rec, tok); } break; case AUE_FCLONEFILEAT: FD_VNODE1_TOKENS; if (ARG_IS_VALID(kar, ARG_FD2)) { tok = au_to_arg32(1, "dst dir fd", ar->ar_arg_fd2); kau_write(rec, tok); } UPATH2_TOKENS; if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(1, "flags", ar->ar_arg_value32); kau_write(rec, tok); } break; case AUE_PTRACE: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(1, "request", ar->ar_arg_cmd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_ADDR64)) { tok = au_to_arg64(3, "addr", ar->ar_arg_addr); kau_write(rec, tok); } else if (ARG_IS_VALID(kar, ARG_ADDR32)) { tok = au_to_arg32(3, "addr", (u_int32_t)ar->ar_arg_addr); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(4, "data", ar->ar_arg_value32); kau_write(rec, tok); } PROCESS_PID_TOKENS(2); break; case AUE_QUOTACTL: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(2, "command", ar->ar_arg_cmd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_UID)) { tok = au_to_arg32(3, "uid", ar->ar_arg_uid); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_REBOOT: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(1, "howto", ar->ar_arg_cmd); kau_write(rec, tok); } break; case AUE_SEMCTL: ar->ar_event = audit_semctl_to_event(ar->ar_arg_svipc_cmd); OS_FALLTHROUGH; case AUE_SEMOP: if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_arg32(1, "sem ID", ar->ar_arg_svipc_id); kau_write(rec, tok); if (ar->ar_errno != EINVAL) { tok = au_to_ipc(AT_IPC_SEM, ar->ar_arg_svipc_id); kau_write(rec, tok); } } break; case AUE_SEMGET: if (ar->ar_errno == 0) { if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_ipc(AT_IPC_SEM, ar->ar_arg_svipc_id); kau_write(rec, tok); } } break; case AUE_SETEGID: if (ARG_IS_VALID(kar, ARG_EGID)) { tok = au_to_arg32(1, "gid", ar->ar_arg_egid); kau_write(rec, tok); } break; case AUE_SETEUID: if (ARG_IS_VALID(kar, ARG_EUID)) { tok = au_to_arg32(1, "uid", ar->ar_arg_euid); kau_write(rec, tok); } break; case AUE_SETREGID: if (ARG_IS_VALID(kar, ARG_RGID)) { tok = au_to_arg32(1, "rgid", ar->ar_arg_rgid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_EGID)) { tok = au_to_arg32(2, "egid", ar->ar_arg_egid); kau_write(rec, tok); } break; case AUE_SETREUID: if (ARG_IS_VALID(kar, ARG_RUID)) { tok = au_to_arg32(1, "ruid", ar->ar_arg_ruid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_EUID)) { tok = au_to_arg32(2, "euid", ar->ar_arg_euid); kau_write(rec, tok); } break; case AUE_SETGID: if (ARG_IS_VALID(kar, ARG_GID)) { tok = au_to_arg32(1, "gid", ar->ar_arg_gid); kau_write(rec, tok); } break; case AUE_SETUID: if (ARG_IS_VALID(kar, ARG_UID)) { tok = au_to_arg32(1, "uid", ar->ar_arg_uid); kau_write(rec, tok); } break; case AUE_SETGROUPS: if (ARG_IS_VALID(kar, ARG_GROUPSET)) { for (uctr = 0; uctr < ar->ar_arg_groups.gidset_size; uctr++) { tok = au_to_arg32(1, "setgroups", ar->ar_arg_groups.gidset[uctr]); kau_write(rec, tok); } } break; case AUE_SETLOGIN: if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } break; case AUE_SETPRIORITY: if (ARG_IS_VALID(kar, ARG_CMD)) { tok = au_to_arg32(1, "which", ar->ar_arg_cmd); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_UID)) { tok = au_to_arg32(2, "who", ar->ar_arg_uid); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(2, "priority", ar->ar_arg_value32); kau_write(rec, tok); } break; case AUE_SETPRIVEXEC: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(1, "flag", ar->ar_arg_value32); kau_write(rec, tok); } break; /* AUE_SHMAT, AUE_SHMCTL, AUE_SHMDT and AUE_SHMGET are SysV IPC */ case AUE_SHMAT: if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); kau_write(rec, tok); /* XXXAUDIT: Does having the ipc token make sense? */ tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { tok = au_to_arg64(2, "shmaddr", ar->ar_arg_svipc_addr); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); kau_write(rec, tok); } break; case AUE_SHMCTL: if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_arg32(1, "shmid", ar->ar_arg_svipc_id); kau_write(rec, tok); /* XXXAUDIT: Does having the ipc token make sense? */ tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); kau_write(rec, tok); } switch (ar->ar_arg_svipc_cmd) { case IPC_STAT: ar->ar_event = AUE_SHMCTL_STAT; break; case IPC_RMID: ar->ar_event = AUE_SHMCTL_RMID; break; case IPC_SET: ar->ar_event = AUE_SHMCTL_SET; if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); kau_write(rec, tok); } break; default: break; /* We will audit a bad command */ } break; case AUE_SHMDT: if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { tok = au_to_arg64(1, "shmaddr", (int)(uintptr_t)ar->ar_arg_svipc_addr); kau_write(rec, tok); } break; case AUE_SHMGET: /* This is unusual; the return value is in an argument token */ if (ARG_IS_VALID(kar, ARG_SVIPC_ID)) { tok = au_to_arg32(0, "shmid", ar->ar_arg_svipc_id); kau_write(rec, tok); tok = au_to_ipc(AT_IPC_SHM, ar->ar_arg_svipc_id); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_SVIPC_PERM)) { tok = au_to_ipc_perm(&ar->ar_arg_svipc_perm); kau_write(rec, tok); } break; /* AUE_SHMOPEN, AUE_SHMUNLINK, AUE_SEMOPEN, AUE_SEMCLOSE * and AUE_SEMUNLINK are Posix IPC */ case AUE_SHMOPEN: if (ARG_IS_VALID(kar, ARG_SVIPC_ADDR)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(3, "mode", ar->ar_arg_mode); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_SHMUNLINK: if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { struct ipc_perm perm; perm.uid = ar->ar_arg_pipc_perm.pipc_uid; perm.gid = ar->ar_arg_pipc_perm.pipc_gid; perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; perm.mode = ar->ar_arg_pipc_perm.pipc_mode; perm._seq = 0; perm._key = 0; tok = au_to_ipc_perm(&perm); kau_write(rec, tok); } break; case AUE_SEMOPEN: if (ARG_IS_VALID(kar, ARG_FFLAGS)) { tok = au_to_arg32(2, "flags", ar->ar_arg_fflags); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_MODE)) { tok = au_to_arg32(3, "mode", ar->ar_arg_mode); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(4, "value", ar->ar_arg_value32); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_SEMUNLINK: if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_POSIX_IPC_PERM)) { struct ipc_perm perm; perm.uid = ar->ar_arg_pipc_perm.pipc_uid; perm.gid = ar->ar_arg_pipc_perm.pipc_gid; perm.cuid = ar->ar_arg_pipc_perm.pipc_uid; perm.cgid = ar->ar_arg_pipc_perm.pipc_gid; perm.mode = ar->ar_arg_pipc_perm.pipc_mode; perm._seq = 0; perm._key = 0; tok = au_to_ipc_perm(&perm); kau_write(rec, tok); } break; case AUE_SEMCLOSE: if (ARG_IS_VALID(kar, ARG_FD)) { tok = au_to_arg32(1, "sem", ar->ar_arg_fd); kau_write(rec, tok); } break; case AUE_SYMLINK: if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_SYSCTL: case AUE_SYSCTL_NONADMIN: if (ARG_IS_VALID(kar, ARG_CTLNAME | ARG_LEN)) { for (ctr = 0; ctr < (int)ar->ar_arg_len; ctr++) { tok = au_to_arg32(1, "name", ar->ar_arg_ctlname[ctr]); kau_write(rec, tok); } } if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(5, "newval", ar->ar_arg_value32); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } break; case AUE_UMASK_EXTENDED: /* ACL data */ if (ARG_IS_VALID(kar, ARG_OPAQUE)) { tok = au_to_opaque(ar->ar_arg_opaque, ar->ar_arg_opq_size); kau_write(rec, tok); } OS_FALLTHROUGH; case AUE_UMASK: if (ARG_IS_VALID(kar, ARG_MASK)) { tok = au_to_arg32(1, "new mask", ar->ar_arg_mask); kau_write(rec, tok); } tok = au_to_arg32(0, "prev mask", ar->ar_retval); kau_write(rec, tok); break; case AUE_WAIT4: #if 0 /* XXXss - new */ case AUE_WAITID: #endif if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(0, "pid", ar->ar_arg_pid); kau_write(rec, tok); } break; case AUE_FSGETPATH_EXTENDED: case AUE_FSGETPATH: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "volfsid", ar->ar_arg_value32); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_VALUE64)) { tok = au_to_arg64(4, "objid", ar->ar_arg_value64); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_TEXT)) { tok = au_to_text(ar->ar_arg_text); kau_write(rec, tok); } break; case AUE_SESSION_START: case AUE_SESSION_UPDATE: case AUE_SESSION_END: case AUE_SESSION_CLOSE: if (ARG_IS_VALID(kar, ARG_VALUE64)) { tok = au_to_arg64(1, "sflags", ar->ar_arg_value64); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_AMASK)) { tok = au_to_arg32(2, "am_success", ar->ar_arg_amask.am_success); kau_write(rec, tok); tok = au_to_arg32(3, "am_failure", ar->ar_arg_amask.am_failure); kau_write(rec, tok); } break; /************************ * Mach system calls * ************************/ case AUE_INITPROCESS: break; case AUE_PIDFORTASK: if (ARG_IS_VALID(kar, ARG_MACHPORT1)) { tok = au_to_arg32(1, "port", (u_int32_t)ar->ar_arg_mach_port1); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(2, "pid", (u_int32_t)ar->ar_arg_pid); kau_write(rec, tok); } break; case AUE_TASKFORPID: case AUE_TASKNAMEFORPID: if (ARG_IS_VALID(kar, ARG_MACHPORT1)) { tok = au_to_arg32(1, "target port", (u_int32_t)ar->ar_arg_mach_port1); kau_write(rec, tok); } if (ARG_IS_VALID(kar, ARG_MACHPORT2)) { tok = au_to_arg32(3, "task port", (u_int32_t)ar->ar_arg_mach_port2); kau_write(rec, tok); } PROCESS_PID_TOKENS(2); break; case AUE_SWAPON: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(4, "priority", (u_int32_t)ar->ar_arg_value32); kau_write(rec, tok); } UPATH1_VNODE1_TOKENS; break; case AUE_SWAPOFF: UPATH1_VNODE1_TOKENS; break; case AUE_MAPFD: if (ARG_IS_VALID(kar, ARG_ADDR64)) { tok = au_to_arg64(3, "va", ar->ar_arg_addr); kau_write(rec, tok); } else if (ARG_IS_VALID(kar, ARG_ADDR32)) { tok = au_to_arg32(3, "va", (u_int32_t)ar->ar_arg_addr); kau_write(rec, tok); } FD_VNODE1_TOKENS; break; #if CONFIG_MACF case AUE_MAC_GET_FILE: case AUE_MAC_SET_FILE: case AUE_MAC_GET_LINK: case AUE_MAC_SET_LINK: case AUE_MAC_GET_MOUNT: UPATH1_VNODE1_TOKENS; PROCESS_MAC_TOKENS; break; case AUE_MAC_GET_FD: case AUE_MAC_SET_FD: FD_VNODE1_TOKENS; PROCESS_MAC_TOKENS; break; case AUE_MAC_SYSCALL: PROCESS_MAC_TOKENS; if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(3, "call", ar->ar_arg_value32); kau_write(rec, tok); } break; case AUE_MAC_EXECVE: UPATH1_VNODE1_TOKENS; PROCESS_MAC_TOKENS; break; case AUE_MAC_GET_PID: if (ARG_IS_VALID(kar, ARG_PID)) { tok = au_to_arg32(1, "pid", (u_int32_t)ar->ar_arg_pid); kau_write(rec, tok); } PROCESS_MAC_TOKENS; break; case AUE_MAC_GET_LCID: if (ARG_IS_VALID(kar, ARG_VALUE32)) { tok = au_to_arg32(1, "lcid", (u_int32_t)ar->ar_arg_value32); kau_write(rec, tok); } PROCESS_MAC_TOKENS; break; case AUE_MAC_GET_PROC: case AUE_MAC_SET_PROC: PROCESS_MAC_TOKENS; break; #endif case AUE_NULL: default: #if DIAGNOSTIC printf("BSM conversion requested for unknown event %d\n", ar->ar_event); #endif /* * Write the subject token so it is properly freed here. */ kau_write(rec, subj_tok); kau_free(rec); return BSM_NOAUDIT; } #if CONFIG_MACF if (NULL != ar->ar_mac_records) { /* Convert the audit data from the MAC policies */ struct mac_audit_record *mar; LIST_FOREACH(mar, ar->ar_mac_records, records) { switch (mar->type) { case MAC_AUDIT_DATA_TYPE: tok = au_to_data(AUP_BINARY, AUR_BYTE, mar->length, (const char *)mar->data); break; case MAC_AUDIT_TEXT_TYPE: tok = au_to_text((char*) mar->data); break; default: /* * XXX: we can either continue, * skipping this particular entry, * or we can pre-verify the list and * abort before writing any records */ printf("kaudit_to_bsm(): " "BSM conversion requested for" "unknown mac_audit data type %d\n", mar->type); } kau_write(rec, tok); } } #endif kau_write(rec, subj_tok); #if CONFIG_MACF if (ar->ar_cred_mac_labels != NULL && strlen(ar->ar_cred_mac_labels) != 0) { tok = au_to_text(ar->ar_cred_mac_labels); kau_write(rec, tok); } #endif tok = au_to_return32(au_errno_to_bsm(ar->ar_errno), ar->ar_retval); kau_write(rec, tok); /* Every record gets a return token */ if (ARG_IS_VALID(kar, ARG_IDENTITY)) { struct au_identity_info *id = &ar->ar_arg_identity; tok = au_to_identity(id->signer_type, id->signing_id, id->signing_id_trunc, id->team_id, id->team_id_trunc, id->cdhash, id->cdhash_len); kau_write(rec, tok); } rv = kau_close(rec, &ar->ar_endtime, ar->ar_event); if (rv != 0) { kau_free(rec); return BSM_FAILURE; } *pau = rec; return BSM_SUCCESS; } /* * Verify that a record is a valid BSM record. Return 1 if the * record is good, 0 otherwise. */ int bsm_rec_verify(void *rec, int length, boolean_t kern_events_allowed) { /* Used to partially deserialize the buffer */ struct hdr_tok_partial *hdr; struct trl_tok_partial *trl; /* A record requires a complete header and trailer token */ if (length < (AUDIT_HEADER_SIZE + AUDIT_TRAILER_SIZE)) { return 0; } hdr = (struct hdr_tok_partial*)rec; /* Ensure the provided length matches what the record shows */ if ((uint32_t)length != ntohl(hdr->len)) { return 0; } trl = (struct trl_tok_partial*)((uintptr_t)rec + (length - AUDIT_TRAILER_SIZE)); /* Ensure the buffer contains what look like header and trailer tokens */ if (((hdr->type != AUT_HEADER32) && (hdr->type != AUT_HEADER32_EX) && (hdr->type != AUT_HEADER64) && (hdr->type != AUT_HEADER64_EX)) || (trl->type != AUT_TRAILER)) { return 0; } /* Ensure the header and trailer agree on the length */ if (hdr->len != trl->len) { return 0; } /* Ensure the trailer token has a proper magic value */ if (ntohs(trl->magic) != AUT_TRAILER_MAGIC) { return 0; } if (!kern_events_allowed && AUE_IS_A_KEVENT(ntohs(hdr->e_type))) { return 0; } return 1; } #endif /* CONFIG_AUDIT */