diff options
Diffstat (limited to 'sys/security/audit/audit_bsm_socket_type.c')
| -rw-r--r-- | sys/security/audit/audit_bsm_socket_type.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/security/audit/audit_bsm_socket_type.c b/sys/security/audit/audit_bsm_socket_type.c new file mode 100644 index 0000000..c049179 --- /dev/null +++ b/sys/security/audit/audit_bsm_socket_type.c @@ -0,0 +1,107 @@ +/*- + * Copyright (c) 2008 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. + * + * P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_socket_type.c#1 + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/socket.h> + +#include <security/audit/audit.h> + +#include <bsm/audit_record.h> +#include <bsm/audit_socket_type.h> + +struct bsm_socket_type { + u_short bst_bsm_socket_type; + int bst_local_socket_type; +}; + +#define ST_NO_LOCAL_MAPPING -600 + +static const struct bsm_socket_type bsm_socket_types[] = { + { BSM_SOCK_DGRAM, SOCK_DGRAM }, + { BSM_SOCK_STREAM, SOCK_STREAM }, + { BSM_SOCK_RAW, SOCK_RAW }, + { BSM_SOCK_RDM, SOCK_RDM }, + { BSM_SOCK_SEQPACKET, SOCK_SEQPACKET }, +}; +static const int bsm_socket_types_count = sizeof(bsm_socket_types) / + sizeof(bsm_socket_types[0]); + +static const struct bsm_socket_type * +bsm_lookup_local_socket_type(int local_socket_type) +{ + int i; + + for (i = 0; i < bsm_socket_types_count; i++) { + if (bsm_socket_types[i].bst_local_socket_type == + local_socket_type) + return (&bsm_socket_types[i]); + } + return (NULL); +} + +u_short +au_socket_type_to_bsm(int local_socket_type) +{ + const struct bsm_socket_type *bstp; + + bstp = bsm_lookup_local_socket_type(local_socket_type); + if (bstp == NULL) + return (BSM_SOCK_UNKNOWN); + return (bstp->bst_bsm_socket_type); +} + +static const struct bsm_socket_type * +bsm_lookup_bsm_socket_type(u_short bsm_socket_type) +{ + int i; + + for (i = 0; i < bsm_socket_types_count; i++) { + if (bsm_socket_types[i].bst_bsm_socket_type == + bsm_socket_type) + return (&bsm_socket_types[i]); + } + return (NULL); +} + +int +au_bsm_to_socket_type(u_short bsm_socket_type, int *local_socket_typep) +{ + const struct bsm_socket_type *bstp; + + bstp = bsm_lookup_bsm_socket_type(bsm_socket_type); + if (bstp == NULL || bstp->bst_local_socket_type) + return (-1); + *local_socket_typep = bstp->bst_local_socket_type; + return (0); +} |
