veriexecctl(8) - NetBSD Manual Pages

VERIEXECCTL(8)          NetBSD System Manager's Manual          VERIEXECCTL(8)


NAME
veriexecctl - load verified exec fingerprints
SYNOPSIS
veriexecctl fingerprints
DESCRIPTION
The veriexecctl command loads the in-kernel fingerprint table from the fingerprints given in the fingerprints file. Once loaded the kernel can then validate executed programs or files against the loaded fingerprints and report when fingerprints do not match. The fingerprints file contains lines of fields (separated by one or more whitespace characters) of the form: path type fingerprint options Where path is the full path to the file and type is the type of finger- print used, currently this may be either md5 or sha1. Other fingerprints may be available depending on kernel support. The fingerprint field is a hexadecimal representation of the fingerprint for the file. The field options contains the associated options for the file. Currently there are two valid options: INDIRECT If this option is set then the executable cannot be invoked directly, it can only be used as an interpreter in shell scripts. FILE Indicates that the fingerprint is associated with a file, not an executable. Files have their fingerprints verified during open(2) and are automatically made read only. This option may be used to verify shared libraries have not been tampered with. There must be only one executable/fingerprint pair per line. Comments are indicated by the first character of a line being a `#' character.
FILES
/dev/veriexec verified executable device node
HISTORY
veriexecctl first appeared in NetBSD 2.0.
NOTES
veriexecctl requires the kernel to have been configured with the VERIFIED_EXEC option and the verifiedexec pseudo-device. NetBSD 2.0 March 7, 2004 NetBSD 2.0

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