subject Token

The subject token describes a user who performs or attempts to perform an operation. The format is the same as the process token. The subject token has nine fields:

• An ID that identifies this token as a subject token

• The invariant audit ID

• The effective user ID

• The effective group ID

• The real user ID

• The real group ID

• The process ID

• The audit session ID

• A terminal ID that consists of a device ID and a machine ID

The audit ID, user ID, group ID, process ID, and session ID are long instead of short.

The subject token fields for the session ID, the real user ID, or the real group ID might be unavailable. The value is then set to -1.

Any token that contains a terminal ID has several variations. The praudit command hides these variations. So, the terminal ID is handled the same way for any token that contains a terminal ID. The terminal ID is either an IP address and port number, or a device ID. A device ID, such as the serial port that is connected to a modem, can be zero. The terminal ID is specified in one of several formats.

The terminal ID for device numbers is specified as follows:

• 32-bit applications – 4-byte device number, 4-bytes unused

• 64-bit applications – 8-byte device number, 4-bytes unused

The terminal ID for port numbers in releases that are earlier than the Solaris 8 release is specified as follows:

• 32-bit applications – 4-byte port number, 4-byte IP address

• 64-bit applications – 8-byte port number, 4-byte IP address

The terminal ID for port numbers in the Solaris 8 release or the Solaris 9 release is specified as follows:

• 32-bit with IPv4 – 4-byte port number, 4-byte IP type, 4-byte IP address

• 32-bit with IPv6 – 4-byte port number, 4-byte IP type, 16-byte IP address

• 64-bit with IPv4 – 8-byte port number, 4-byte IP type, 4-byte IP address

• 64-bit with IPv6 – 8-byte port number, 4-byte IP type, 16-byte IP address

The subject token is always returned as part of kernel-generated audit records for system calls. The praudit command displays the subject token as follows:

subject,cjc,cjc,staff,cjc,staff,424,223,0 0 quisp

The following figure shows the format of the subject token.

Figure 23–26 subject Token Format