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author | rwatson <rwatson@FreeBSD.org> | 2007-04-16 16:20:45 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2007-04-16 16:20:45 +0000 |
commit | dd6ab6dfe7ce7684f30be0012d8a36b802ad5384 (patch) | |
tree | 87a9eb4bea58d6716b8b7c66163ef3596fe634d9 /sys | |
parent | d4578a6a423bede47b59bfc1fd53cf905edb49c5 (diff) | |
download | FreeBSD-src-dd6ab6dfe7ce7684f30be0012d8a36b802ad5384.zip FreeBSD-src-dd6ab6dfe7ce7684f30be0012d8a36b802ad5384.tar.gz |
Merge OpenBSM 1.0 alpha 14 changes to src/sys/security/audit:
- au_to_attr64(), au_to_process64(), au_to_subject64(),
au_to_subject64_ex(), au_to_zonename(), au_to_header64_tm().
- Extended address token fixes.
Obtained from: TrustedBSD Project
Diffstat (limited to 'sys')
-rw-r--r-- | sys/security/audit/audit_bsm_token.c | 197 |
1 files changed, 184 insertions, 13 deletions
diff --git a/sys/security/audit/audit_bsm_token.c b/sys/security/audit/audit_bsm_token.c index f09cc84..c09e55b 100644 --- a/sys/security/audit/audit_bsm_token.c +++ b/sys/security/audit/audit_bsm_token.c @@ -49,7 +49,6 @@ #include <netinet/in_systm.h> #include <netinet/ip.h> -#include <sys/socketvar.h> #include <bsm/audit.h> #include <bsm/audit_internal.h> @@ -180,8 +179,44 @@ au_to_attr32(struct vnode_au_info *vni) token_t * au_to_attr64(struct vnode_au_info *vni) { + token_t *t; + u_char *dptr = NULL; + u_int16_t pad0_16 = 0; + u_int16_t pad0_32 = 0; - return (NULL); + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 2 * sizeof(u_int16_t) + + 3 * sizeof(u_int32_t) + sizeof(u_int64_t) * 2); + + ADD_U_CHAR(dptr, AUT_ATTR64); + + /* + * Darwin defines the size for the file mode + * as 2 bytes; BSM defines 4 so pad with 0 + */ + ADD_U_INT16(dptr, pad0_16); + ADD_U_INT16(dptr, vni->vn_mode); + + ADD_U_INT32(dptr, vni->vn_uid); + ADD_U_INT32(dptr, vni->vn_gid); + ADD_U_INT32(dptr, vni->vn_fsid); + + /* + * Some systems use 32-bit file ID's, other's use 64-bit file IDs. + * Attempt to handle both, and let the compiler sort it out. If we + * could pick this out at compile-time, it would be better, so as to + * avoid the else case below. + */ + if (sizeof(vni->vn_fileid) == sizeof(uint32_t)) { + ADD_U_INT32(dptr, pad0_32); + ADD_U_INT32(dptr, vni->vn_fileid); + } else if (sizeof(vni->vn_fileid) == sizeof(uint64_t)) + ADD_U_INT64(dptr, vni->vn_fileid); + else + ADD_U_INT64(dptr, 0LL); + + ADD_U_INT64(dptr, vni->vn_dev); + + return (t); } token_t * @@ -270,7 +305,7 @@ token_t * au_to_groups(int *groups) { - return (au_to_newgroups(AUDIT_MAX_GROUPS, groups)); + return (au_to_newgroups(AUDIT_MAX_GROUPS, (gid_t*)groups)); } /* @@ -578,18 +613,32 @@ au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, } token_t * -au_to_process64(__unused au_id_t auid, __unused uid_t euid, - __unused gid_t egid, __unused uid_t ruid, __unused gid_t rgid, - __unused pid_t pid, __unused au_asid_t sid, __unused au_tid_t *tid) +au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, + pid_t pid, au_asid_t sid, au_tid_t *tid) { + token_t *t; + u_char *dptr = NULL; - return (NULL); + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 8 * sizeof(u_int32_t) + + sizeof(u_int64_t)); + + ADD_U_CHAR(dptr, AUT_PROCESS64); + ADD_U_INT32(dptr, auid); + ADD_U_INT32(dptr, euid); + ADD_U_INT32(dptr, egid); + ADD_U_INT32(dptr, ruid); + ADD_U_INT32(dptr, rgid); + ADD_U_INT32(dptr, pid); + ADD_U_INT32(dptr, sid); + ADD_U_INT64(dptr, tid->port); + ADD_MEM(dptr, &tid->machine, sizeof(u_int32_t)); + + return (t); } token_t * -au_to_process(__unused au_id_t auid, __unused uid_t euid, - __unused gid_t egid, __unused uid_t ruid, __unused gid_t rgid, - __unused pid_t pid, __unused au_asid_t sid, __unused au_tid_t *tid) +au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, + pid_t pid, au_asid_t sid, au_tid_t *tid) { return (au_to_process32(auid, euid, egid, ruid, rgid, pid, sid, @@ -647,8 +696,39 @@ token_t * au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid) { + token_t *t; + u_char *dptr = NULL; - return (NULL); + if (tid->at_type == AU_IPv4) + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + + 7 * sizeof(u_int32_t) + sizeof(u_int64_t) + + 2 * sizeof(u_int32_t)); + else if (tid->at_type == AU_IPv6) + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + + 7 * sizeof(u_int32_t) + sizeof(u_int64_t) + + 5 * sizeof(u_int32_t)); + else + panic("au_to_process64_ex: invalidate at_type (%d)", + tid->at_type); + + ADD_U_CHAR(dptr, AUT_PROCESS64_EX); + ADD_U_INT32(dptr, auid); + ADD_U_INT32(dptr, euid); + ADD_U_INT32(dptr, egid); + ADD_U_INT32(dptr, ruid); + ADD_U_INT32(dptr, rgid); + ADD_U_INT32(dptr, pid); + ADD_U_INT32(dptr, sid); + ADD_U_INT64(dptr, tid->at_port); + ADD_U_INT32(dptr, tid->at_type); + ADD_MEM(dptr, &tid->at_addr[0], sizeof(u_int32_t)); + if (tid->at_type == AU_IPv6) { + ADD_MEM(dptr, &tid->at_addr[1], sizeof(u_int32_t)); + ADD_MEM(dptr, &tid->at_addr[2], sizeof(u_int32_t)); + ADD_MEM(dptr, &tid->at_addr[3], sizeof(u_int32_t)); + } + + return (t); } token_t * @@ -918,8 +998,24 @@ token_t * au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid) { + token_t *t; + u_char *dptr = NULL; - return (NULL); + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + 7 * sizeof(u_int32_t) + + sizeof(u_int64_t) + sizeof(u_int32_t)); + + ADD_U_CHAR(dptr, AUT_SUBJECT64); + ADD_U_INT32(dptr, auid); + ADD_U_INT32(dptr, euid); + ADD_U_INT32(dptr, egid); + ADD_U_INT32(dptr, ruid); + ADD_U_INT32(dptr, rgid); + ADD_U_INT32(dptr, pid); + ADD_U_INT32(dptr, sid); + ADD_U_INT64(dptr, tid->port); + ADD_MEM(dptr, &tid->machine, sizeof(u_int32_t)); + + return (t); } token_t * @@ -982,8 +1078,37 @@ token_t * au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid) { + token_t *t; + u_char *dptr = NULL; - return (NULL); + if (tid->at_type == AU_IPv4) + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + + 7 * sizeof(u_int32_t) + sizeof(u_int64_t) + + 2 * sizeof(u_int32_t)); + else if (tid->at_type == AU_IPv6) + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + + 7 * sizeof(u_int32_t) + sizeof(u_int64_t) + + 5 * sizeof(u_int32_t)); + else + panic("au_to_subject64_ex: invalid at_type (%d)", + tid->at_type); + + ADD_U_CHAR(dptr, AUT_SUBJECT64_EX); + ADD_U_INT32(dptr, auid); + ADD_U_INT32(dptr, euid); + ADD_U_INT32(dptr, egid); + ADD_U_INT32(dptr, ruid); + ADD_U_INT32(dptr, rgid); + ADD_U_INT32(dptr, pid); + ADD_U_INT32(dptr, sid); + ADD_U_INT64(dptr, tid->at_port); + ADD_U_INT32(dptr, tid->at_type); + if (tid->at_type == AU_IPv6) + ADD_MEM(dptr, &tid->at_addr[0], 4 * sizeof(u_int32_t)); + else + ADD_MEM(dptr, &tid->at_addr[0], sizeof(u_int32_t)); + + return (t); } token_t * @@ -1102,6 +1227,27 @@ au_to_exec_args(char **argv) } /* + * token ID 1 byte + * zonename length 2 bytes + * zonename N bytes + 1 terminating NULL byte + */ +token_t * +au_to_zonename(char *zonename) +{ + u_char *dptr = NULL; + u_int16_t textlen; + token_t *t; + + textlen = strlen(zonename); + textlen += 1; + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int16_t) + textlen); + ADD_U_CHAR(dptr, AUT_ZONENAME); + ADD_U_INT16(dptr, textlen); + ADD_STRING(dptr, zonename, textlen); + return (t); +} + +/* * token ID 1 byte * count 4 bytes * text count null-terminated strings @@ -1175,6 +1321,31 @@ au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod, return (t); } +token_t * +au_to_header64_tm(int rec_size, au_event_t e_type, au_emod_t e_mod, + struct timeval tm) +{ + token_t *t; + u_char *dptr = NULL; + u_int32_t timems; + + GET_TOKEN_AREA(t, dptr, sizeof(u_char) + sizeof(u_int32_t) + + sizeof(u_char) + 2 * sizeof(u_int16_t) + 2 * sizeof(u_int64_t)); + + ADD_U_CHAR(dptr, AUT_HEADER64); + ADD_U_INT32(dptr, rec_size); + ADD_U_CHAR(dptr, AUDIT_HEADER_VERSION_OPENBSM); + ADD_U_INT16(dptr, e_type); + ADD_U_INT16(dptr, e_mod); + + timems = tm.tv_usec/1000; + /* Add the timestamp */ + ADD_U_INT64(dptr, tm.tv_sec); + ADD_U_INT64(dptr, timems); /* We need time in ms. */ + + return (t); +} + /* * token ID 1 byte * trailer magic number 2 bytes |