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-rw-r--r--examples/VFS/audit.c204
1 files changed, 165 insertions, 39 deletions
diff --git a/examples/VFS/audit.c b/examples/VFS/audit.c
index 7fbcb97837e..aad483c295a 100644
--- a/examples/VFS/audit.c
+++ b/examples/VFS/audit.c
@@ -2,7 +2,7 @@
* Auditing VFS module for samba. Log selected file operations to syslog
* facility.
*
- * Copyright (C) Tim Potter, 1999-2001
+ * Copyright (C) Tim Potter, 1999-2000
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -45,26 +45,150 @@
#define SYSLOG_PRIORITY LOG_NOTICE
#endif
-static struct vfs_ops default_vfs_ops;
+/* Function prototypes */
+
+int audit_connect(struct connection_struct *conn, const char *svc, const char *user);
+void audit_disconnect(struct connection_struct *conn);
+DIR *audit_opendir(struct connection_struct *conn, const char *fname);
+int audit_mkdir(struct connection_struct *conn, const char *path, mode_t mode);
+int audit_rmdir(struct connection_struct *conn, const char *path);
+int audit_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode);
+int audit_close(struct files_struct *fsp, int fd);
+int audit_rename(struct connection_struct *conn, const char *old, const char *new);
+int audit_unlink(struct connection_struct *conn, const char *path);
+int audit_chmod(struct connection_struct *conn, const char *path, mode_t mode);
+int audit_chmod_acl(struct connection_struct *conn, const char *name, mode_t mode);
+int audit_fchmod(struct files_struct *fsp, int fd, mode_t mode);
+int audit_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode);
+
+/* VFS operations */
+
+extern struct vfs_ops default_vfs_ops; /* For passthrough operation */
+
+struct vfs_ops audit_ops = {
+
+ /* Disk operations */
+
+ audit_connect,
+ audit_disconnect,
+ NULL, /* disk free */
+
+ /* Directory operations */
+
+ audit_opendir,
+ NULL, /* readdir */
+ audit_mkdir,
+ audit_rmdir,
+ NULL, /* closedir */
+
+ /* File operations */
+
+ audit_open,
+ audit_close,
+ NULL, /* read */
+ NULL, /* write */
+ NULL, /* lseek */
+ audit_rename,
+ NULL, /* fsync */
+ NULL, /* stat */
+ NULL, /* fstat */
+ NULL, /* lstat */
+ audit_unlink,
+ audit_chmod,
+ audit_fchmod,
+ NULL, /* chown */
+ NULL, /* fchown */
+ NULL, /* chdir */
+ NULL, /* getwd */
+ NULL, /* utime */
+ NULL, /* ftruncate */
+ NULL, /* lock */
+ NULL, /* symlink */
+ NULL, /* readlink */
+ NULL, /* link */
+ NULL, /* mknod */
+ NULL, /* realpath */
+ NULL, /* fget_nt_acl */
+ NULL, /* get_nt_acl */
+ NULL, /* fset_nt_acl */
+ NULL, /* set_nt_acl */
+
+ audit_chmod_acl, /* chmod_acl */
+ audit_fchmod_acl, /* fchmod_acl */
+
+ NULL, /* sys_acl_get_entry */
+ NULL, /* sys_acl_get_tag_type */
+ NULL, /* sys_acl_get_permset */
+ NULL, /*sys_acl_get_qualifier */
+ NULL, /* sys_acl_get_file */
+ NULL, /* sys_acl_get_fd */
+ NULL, /* sys_acl_clear_perms */
+ NULL, /* sys_acl_add_perm */
+ NULL, /* sys_acl_to_text */
+ NULL, /* sys_acl_init */
+ NULL, /* sys_acl_create_entry */
+ NULL, /* sys_acl_set_tag_type */
+ NULL, /* sys_acl_set_qualifier */
+ NULL, /* sys_acl_set_permset */
+ NULL, /* sys_acl_valid */
+ NULL, /* sys_acl_set_file */
+ NULL, /* sys_acl_set_fd */
+ NULL, /* sys_acl_delete_def_file */
+ NULL, /* sys_acl_get_perm */
+ NULL, /* sys_acl_free_text */
+ NULL, /* sys_acl_free_acl */
+ NULL /* sys_acl_free_qualifier */
+};
+
+/* VFS initialisation function. Return initialised vfs_ops structure
+ back to SAMBA. */
+
+struct vfs_ops *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops)
+{
+ struct vfs_ops tmp_ops;
+
+ *vfs_version = SMB_VFS_INTERFACE_VERSION;
+ memcpy(&tmp_ops, def_vfs_ops, sizeof(struct vfs_ops));
+
+ tmp_ops.connect = audit_connect;
+ tmp_ops.disconnect = audit_disconnect;
+ tmp_ops.opendir = audit_opendir;
+ tmp_ops.mkdir = audit_mkdir;
+ tmp_ops.rmdir = audit_rmdir;
+ tmp_ops.open = audit_open;
+ tmp_ops.close = audit_close;
+ tmp_ops.rename = audit_rename;
+ tmp_ops.unlink = audit_unlink;
+ tmp_ops.chmod = audit_chmod;
+ tmp_ops.chmod_acl = audit_chmod_acl;
+ tmp_ops.fchmod = audit_fchmod;
+ tmp_ops.fchmod_acl = audit_fchmod_acl;
+
+ memcpy(&audit_ops, &tmp_ops, sizeof(struct vfs_ops));
+
+ openlog("smbd_audit", LOG_PID, SYSLOG_FACILITY);
+ syslog(SYSLOG_PRIORITY, "VFS_INIT: vfs_ops loaded\n");
+ return &audit_ops;
+}
/* Implementation of vfs_ops. Pass everything on to the default
operation but log event first. */
-static int audit_connect(struct connection_struct *conn, const char *svc,
- const char *user)
+int audit_connect(struct connection_struct *conn, const char *svc, const char *user)
{
syslog(SYSLOG_PRIORITY, "connect to service %s by user %s\n",
svc, user);
- return 0; /* Success */
+ return default_vfs_ops.connect(conn, svc, user);
}
-static void audit_disconnect(struct connection_struct *conn)
+void audit_disconnect(struct connection_struct *conn)
{
syslog(SYSLOG_PRIORITY, "disconnected\n");
+ default_vfs_ops.disconnect(conn);
}
-static DIR *audit_opendir(struct connection_struct *conn, const char *fname)
+DIR *audit_opendir(struct connection_struct *conn, const char *fname)
{
DIR *result = default_vfs_ops.opendir(conn, fname);
@@ -76,8 +200,7 @@ static DIR *audit_opendir(struct connection_struct *conn, const char *fname)
return result;
}
-static int audit_mkdir(struct connection_struct *conn, const char *path,
- mode_t mode)
+int audit_mkdir(struct connection_struct *conn, const char *path, mode_t mode)
{
int result = default_vfs_ops.mkdir(conn, path, mode);
@@ -89,7 +212,7 @@ static int audit_mkdir(struct connection_struct *conn, const char *path,
return result;
}
-static int audit_rmdir(struct connection_struct *conn, const char *path)
+int audit_rmdir(struct connection_struct *conn, const char *path)
{
int result = default_vfs_ops.rmdir(conn, path);
@@ -101,8 +224,7 @@ static int audit_rmdir(struct connection_struct *conn, const char *path)
return result;
}
-static int audit_open(struct connection_struct *conn, const char *fname,
- int flags, mode_t mode)
+int audit_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode)
{
int result = default_vfs_ops.open(conn, fname, flags, mode);
@@ -115,7 +237,7 @@ static int audit_open(struct connection_struct *conn, const char *fname,
return result;
}
-static int audit_close(struct files_struct *fsp, int fd)
+int audit_close(struct files_struct *fsp, int fd)
{
int result = default_vfs_ops.close(fsp, fd);
@@ -127,8 +249,7 @@ static int audit_close(struct files_struct *fsp, int fd)
return result;
}
-static int audit_rename(struct connection_struct *conn, const char *old,
- const char *new)
+int audit_rename(struct connection_struct *conn, const char *old, const char *new)
{
int result = default_vfs_ops.rename(conn, old, new);
@@ -140,7 +261,7 @@ static int audit_rename(struct connection_struct *conn, const char *old,
return result;
}
-static int audit_unlink(struct connection_struct *conn, const char *path)
+int audit_unlink(struct connection_struct *conn, const char *path)
{
int result = default_vfs_ops.unlink(conn, path);
@@ -152,8 +273,7 @@ static int audit_unlink(struct connection_struct *conn, const char *path)
return result;
}
-static int audit_chmod(struct connection_struct *conn, const char *path,
- mode_t mode)
+int audit_chmod(struct connection_struct *conn, const char *path, mode_t mode)
{
int result = default_vfs_ops.chmod(conn, path, mode);
@@ -165,32 +285,38 @@ static int audit_chmod(struct connection_struct *conn, const char *path,
return result;
}
-/* VFS initialisation function. Return initialised vfs_ops structure
- back to SAMBA. */
-
-struct vfs_ops *vfs_init(int *vfs_version, struct vfs_ops *ops)
+int audit_chmod_acl(struct connection_struct *conn, const char *path, mode_t mode)
{
- *vfs_version = SMB_VFS_INTERFACE_VERSION;
+ int result = default_vfs_ops.chmod_acl(conn, path, mode);
- openlog("smbd_audit", LOG_PID, SYSLOG_FACILITY);
- syslog(SYSLOG_PRIORITY, "initialised\n");
+ syslog(SYSLOG_PRIORITY, "chmod_acl %s mode 0x%x %s%s\n",
+ path, mode,
+ (result < 0) ? "failed: " : "",
+ (result < 0) ? strerror(errno) : "");
+
+ return result;
+}
- /* Save a copy of the default ops */
+int audit_fchmod(struct files_struct *fsp, int fd, mode_t mode)
+{
+ int result = default_vfs_ops.fchmod(fsp, fd, mode);
+
+ syslog(SYSLOG_PRIORITY, "fchmod %s mode 0x%x %s%s\n",
+ fsp->fsp_name, mode,
+ (result < 0) ? "failed: " : "",
+ (result < 0) ? strerror(errno) : "");
- default_vfs_ops = *ops;
+ return result;
+}
- /* Override our ones */
+int audit_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode)
+{
+ int result = default_vfs_ops.fchmod_acl(fsp, fd, mode);
- ops->connect = audit_connect;
- ops->disconnect = audit_disconnect;
- ops->opendir = audit_opendir;
- ops->mkdir = audit_mkdir;
- ops->rmdir = audit_rmdir;
- ops->open = audit_open;
- ops->close = audit_close;
- ops->rename = audit_rename;
- ops->unlink = audit_unlink;
- ops->chmod = audit_chmod;
+ syslog(SYSLOG_PRIORITY, "fchmod_acl %s mode 0x%x %s%s\n",
+ fsp->fsp_name, mode,
+ (result < 0) ? "failed: " : "",
+ (result < 0) ? strerror(errno) : "");
- return(ops);
+ return result;
}
generated by cgit (git 2.34.1) at 2024-06-22 07:28:02 +0000