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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /security/apparmor/include/audit.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/apparmor/include/audit.h')
-rw-r--r-- | security/apparmor/include/audit.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h new file mode 100644 index 000000000..18519a4eb --- /dev/null +++ b/security/apparmor/include/audit.h @@ -0,0 +1,193 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * AppArmor security module + * + * This file contains AppArmor auditing function definitions. + * + * Copyright (C) 1998-2008 Novell/SUSE + * Copyright 2009-2010 Canonical Ltd. + */ + +#ifndef __AA_AUDIT_H +#define __AA_AUDIT_H + +#include <linux/audit.h> +#include <linux/fs.h> +#include <linux/lsm_audit.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include "file.h" +#include "label.h" + +extern const char *const audit_mode_names[]; +#define AUDIT_MAX_INDEX 5 +enum audit_mode { + AUDIT_NORMAL, /* follow normal auditing of accesses */ + AUDIT_QUIET_DENIED, /* quiet all denied access messages */ + AUDIT_QUIET, /* quiet all messages */ + AUDIT_NOQUIET, /* do not quiet audit messages */ + AUDIT_ALL /* audit all accesses */ +}; + +enum audit_type { + AUDIT_APPARMOR_AUDIT, + AUDIT_APPARMOR_ALLOWED, + AUDIT_APPARMOR_DENIED, + AUDIT_APPARMOR_HINT, + AUDIT_APPARMOR_STATUS, + AUDIT_APPARMOR_ERROR, + AUDIT_APPARMOR_KILL, + AUDIT_APPARMOR_AUTO +}; + +#define OP_NULL NULL + +#define OP_SYSCTL "sysctl" +#define OP_CAPABLE "capable" + +#define OP_UNLINK "unlink" +#define OP_MKDIR "mkdir" +#define OP_RMDIR "rmdir" +#define OP_MKNOD "mknod" +#define OP_TRUNC "truncate" +#define OP_LINK "link" +#define OP_SYMLINK "symlink" +#define OP_RENAME_SRC "rename_src" +#define OP_RENAME_DEST "rename_dest" +#define OP_CHMOD "chmod" +#define OP_CHOWN "chown" +#define OP_GETATTR "getattr" +#define OP_OPEN "open" + +#define OP_FRECEIVE "file_receive" +#define OP_FPERM "file_perm" +#define OP_FLOCK "file_lock" +#define OP_FMMAP "file_mmap" +#define OP_FMPROT "file_mprotect" +#define OP_INHERIT "file_inherit" + +#define OP_PIVOTROOT "pivotroot" +#define OP_MOUNT "mount" +#define OP_UMOUNT "umount" + +#define OP_CREATE "create" +#define OP_POST_CREATE "post_create" +#define OP_BIND "bind" +#define OP_CONNECT "connect" +#define OP_LISTEN "listen" +#define OP_ACCEPT "accept" +#define OP_SENDMSG "sendmsg" +#define OP_RECVMSG "recvmsg" +#define OP_GETSOCKNAME "getsockname" +#define OP_GETPEERNAME "getpeername" +#define OP_GETSOCKOPT "getsockopt" +#define OP_SETSOCKOPT "setsockopt" +#define OP_SHUTDOWN "socket_shutdown" + +#define OP_PTRACE "ptrace" +#define OP_SIGNAL "signal" + +#define OP_EXEC "exec" + +#define OP_CHANGE_HAT "change_hat" +#define OP_CHANGE_PROFILE "change_profile" +#define OP_CHANGE_ONEXEC "change_onexec" +#define OP_STACK "stack" +#define OP_STACK_ONEXEC "stack_onexec" + +#define OP_SETPROCATTR "setprocattr" +#define OP_SETRLIMIT "setrlimit" + +#define OP_PROF_REPL "profile_replace" +#define OP_PROF_LOAD "profile_load" +#define OP_PROF_RM "profile_remove" + + +struct apparmor_audit_data { + int error; + int type; + const char *op; + struct aa_label *label; + const char *name; + const char *info; + u32 request; + u32 denied; + union { + /* these entries require a custom callback fn */ + struct { + struct aa_label *peer; + union { + struct { + const char *target; + kuid_t ouid; + } fs; + struct { + int rlim; + unsigned long max; + } rlim; + struct { + int signal; + int unmappedsig; + }; + struct { + int type, protocol; + struct sock *peer_sk; + void *addr; + int addrlen; + } net; + }; + }; + struct { + struct aa_profile *profile; + const char *ns; + long pos; + } iface; + struct { + const char *src_name; + const char *type; + const char *trans; + const char *data; + unsigned long flags; + } mnt; + }; +}; + +/* macros for dealing with apparmor_audit_data structure */ +#define aad(SA) ((SA)->apparmor_audit_data) +#define DEFINE_AUDIT_DATA(NAME, T, X) \ + /* TODO: cleanup audit init so we don't need _aad = {0,} */ \ + struct apparmor_audit_data NAME ## _aad = { .op = (X), }; \ + struct common_audit_data NAME = \ + { \ + .type = (T), \ + .u.tsk = NULL, \ + }; \ + NAME.apparmor_audit_data = &(NAME ## _aad) + +void aa_audit_msg(int type, struct common_audit_data *sa, + void (*cb) (struct audit_buffer *, void *)); +int aa_audit(int type, struct aa_profile *profile, struct common_audit_data *sa, + void (*cb) (struct audit_buffer *, void *)); + +#define aa_audit_error(ERROR, SA, CB) \ +({ \ + aad((SA))->error = (ERROR); \ + aa_audit_msg(AUDIT_APPARMOR_ERROR, (SA), (CB)); \ + aad((SA))->error; \ +}) + + +static inline int complain_error(int error) +{ + if (error == -EPERM || error == -EACCES) + return 0; + return error; +} + +void aa_audit_rule_free(void *vrule); +int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule); +int aa_audit_rule_known(struct audit_krule *rule); +int aa_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule); + +#endif /* __AA_AUDIT_H */ |