Pass pid, ppid, sid, pgid and tcpgid to plugin in user_info list.

doc/sudo_plugin.cat

@@ -276,12 +276,41 @@ DDEESSCCRRIIPPTTIIOONN
                equal sign ('=') since the _n_a_m_e field will never include one
                itself but the _v_a_l_u_e might.
 
+               pid=int
+                   The process ID of the running ssuuddoo process.  Only available
+                   starting with API version 1.2
+
+               ppid=int
+                   The parent process ID of the running ssuuddoo process.  Only
+                   available starting with API version 1.2
+
+               sid=int
+                   The session ID of the running ssuuddoo process or 0 if ssuuddoo is
+                   not part of a POSIX job control session.  Only available
+                   starting with API version 1.2
+
+               pgid=int
+                   The ID of the process group that the running ssuuddoo process
+                   belongs to.  Only available starting with API version 1.2
+
+               tcpgid=int
+                   The ID of the forground process group associated with the
+                   terminal device associcated with the ssuuddoo process or -1 if
+                   there is no terminal present.  Only available starting with
+                   API version 1.2
+
                user=string
                    The name of the user invoking ssuuddoo.
 
+               euid=uid_t
+                   The effective user ID of the user invoking ssuuddoo.
+
                uid=uid_t
                    The real user ID of the user invoking ssuuddoo.
 
+               egid=gid_t
+                   The effective group ID of the user invoking ssuuddoo.
+
                gid=gid_t
                    The real group ID of the user invoking ssuuddoo.
 
@@ -1325,4 +1354,4 @@ DDIISSCCLLAAIIMMEERR
 
 
 
-1.8.5                           March 28, 2012                 SUDO_PLUGIN(1m)
+1.8.5                           April 13, 2012                 SUDO_PLUGIN(1m)

doc/sudo_plugin.man.in

@@ -139,7 +139,7 @@
 .\" ========================================================================
 .\"
 .IX Title "SUDO_PLUGIN @mansectsu@"
-.TH SUDO_PLUGIN @mansectsu@ "March 28, 2012" "1.8.5" "MAINTENANCE COMMANDS"
+.TH SUDO_PLUGIN @mansectsu@ "April 13, 2012" "1.8.5" "MAINTENANCE COMMANDS"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -424,12 +424,42 @@ When parsing \fIuser_info\fR, the plugin should split on the \fBfirst\fR
 equal sign ('=') since the \fIname\fR field will never include one
 itself but the \fIvalue\fR might.
 .RS 4
+.IP "pid=int" 4
+.IX Item "pid=int"
+The process \s-1ID\s0 of the running \fBsudo\fR process.
+Only available starting with \s-1API\s0 version 1.2
+.IP "ppid=int" 4
+.IX Item "ppid=int"
+The parent process \s-1ID\s0 of the running \fBsudo\fR process.
+Only available starting with \s-1API\s0 version 1.2
+.IP "sid=int" 4
+.IX Item "sid=int"
+The session \s-1ID\s0 of the running \fBsudo\fR process or 0 if \fBsudo\fR is
+not part of a \s-1POSIX\s0 job control session.
+Only available starting with \s-1API\s0 version 1.2
+.IP "pgid=int" 4
+.IX Item "pgid=int"
+The \s-1ID\s0 of the process group that the running \fBsudo\fR process belongs
+to.
+Only available starting with \s-1API\s0 version 1.2
+.IP "tcpgid=int" 4
+.IX Item "tcpgid=int"
+The \s-1ID\s0 of the forground process group associated with the terminal
+device associcated with the \fBsudo\fR process or \-1 if there is no
+terminal present.
+Only available starting with \s-1API\s0 version 1.2
 .IP "user=string" 4
 .IX Item "user=string"
 The name of the user invoking \fBsudo\fR.
+.IP "euid=uid_t" 4
+.IX Item "euid=uid_t"
+The effective user \s-1ID\s0 of the user invoking \fBsudo\fR.
 .IP "uid=uid_t" 4
 .IX Item "uid=uid_t"
 The real user \s-1ID\s0 of the user invoking \fBsudo\fR.
+.IP "egid=gid_t" 4
+.IX Item "egid=gid_t"
+The effective group \s-1ID\s0 of the user invoking \fBsudo\fR.
 .IP "gid=gid_t" 4
 .IX Item "gid=gid_t"
 The real group \s-1ID\s0 of the user invoking \fBsudo\fR.

doc/sudo_plugin.pod

@@ -327,14 +327,51 @@ itself but the I<value> might.
 
 =over 4
 
+=item pid=int
+
+The process ID of the running B<sudo> process.
+Only available starting with API version 1.2
+
+=item ppid=int
+
+The parent process ID of the running B<sudo> process.
+Only available starting with API version 1.2
+
+=item sid=int
+
+The session ID of the running B<sudo> process or 0 if B<sudo> is
+not part of a POSIX job control session.
+Only available starting with API version 1.2
+
+=item pgid=int
+
+The ID of the process group that the running B<sudo> process belongs
+to.
+Only available starting with API version 1.2
+
+=item tcpgid=int
+
+The ID of the forground process group associated with the terminal
+device associcated with the B<sudo> process or -1 if there is no
+terminal present.
+Only available starting with API version 1.2
+
 =item user=string
 
 The name of the user invoking B<sudo>.
 
+=item euid=uid_t
+
+The effective user ID of the user invoking B<sudo>.
+
 =item uid=uid_t
 
 The real user ID of the user invoking B<sudo>.
 
+=item egid=gid_t
+
+The effective group ID of the user invoking B<sudo>.
+
 =item gid=gid_t
 
 The real group ID of the user invoking B<sudo>.

src/sudo.c

@@ -427,12 +427,23 @@ get_user_info(struct user_details *ud)
 {
     char *cp, **user_info, cwd[PATH_MAX], host[MAXHOSTNAMELEN];
     struct passwd *pw;
-    int i = 0;
+    int fd, i = 0;
     debug_decl(get_user_info, SUDO_DEBUG_UTIL)
 
     /* XXX - bound check number of entries */
     user_info = emalloc2(32, sizeof(char *));
 
+    ud->pid = getpid();
+    ud->ppid = getppid();
+    ud->pgid = getpgid(0);
+    ud->tcpgid = (pid_t)-1;
+    fd = open(_PATH_TTY, O_RDWR|O_NOCTTY|O_NONBLOCK, 0);
+    if (fd != -1) {
+	ud->tcpgid = tcgetpgrp(fd);
+	close(fd);
+    }
+    ud->sid = getsid(0);
+
     ud->uid = getuid();
     ud->euid = geteuid();
     ud->gid = getgid();
@@ -453,6 +464,12 @@ get_user_info(struct user_details *ud)
     }
     ud->shell = estrdup(ud->shell);
 
+    easprintf(&user_info[++i], "pid=%d", (int)ud->pid);
+    easprintf(&user_info[++i], "ppid=%d", (int)ud->ppid);
+    easprintf(&user_info[++i], "pgid=%d", (int)ud->pgid);
+    easprintf(&user_info[++i], "tcpgid=%d", (int)ud->tcpgid);
+    easprintf(&user_info[++i], "sid=%d", (int)ud->sid);
+
     easprintf(&user_info[++i], "uid=%u", (unsigned int)ud->uid);
     easprintf(&user_info[++i], "euid=%u", (unsigned int)ud->euid);
     easprintf(&user_info[++i], "gid=%u", (unsigned int)ud->gid);

src/sudo.h

@@ -92,6 +92,11 @@
 #define TGP_NOECHO_TRY	0x10		/* turn off echo if possible */
 
 struct user_details {
+    pid_t pid;
+    pid_t ppid;
+    pid_t pgid;
+    pid_t tcpgid;
+    pid_t sid;
     uid_t uid;
     uid_t euid;
     uid_t gid;