Add Interactor methods to get/set LogPolicy and Seat.

Nothing uses this yet, but the next commit will.

otherbackends/raw.c

@@ -130,8 +130,29 @@ static char *raw_description(Interactor *itr)
     return dupstr(raw->description);
 }
 
+static LogPolicy *raw_logpolicy(Interactor *itr)
+{
+    Raw *raw = container_of(itr, Raw, interactor);
+    return log_get_policy(raw->logctx);
+}
+
+static Seat *raw_get_seat(Interactor *itr)
+{
+    Raw *raw = container_of(itr, Raw, interactor);
+    return raw->seat;
+}
+
+static void raw_set_seat(Interactor *itr, Seat *seat)
+{
+    Raw *raw = container_of(itr, Raw, interactor);
+    raw->seat = seat;
+}
+
 static const InteractorVtable Raw_interactorvt = {
     .description = raw_description,
+    .logpolicy = raw_logpolicy,
+    .get_seat = raw_get_seat,
+    .set_seat = raw_set_seat,
 };
 
 /*

otherbackends/rlogin.c

@@ -207,8 +207,29 @@ static char *rlogin_description(Interactor *itr)
     return dupstr(rlogin->description);
 }
 
+static LogPolicy *rlogin_logpolicy(Interactor *itr)
+{
+    Rlogin *rlogin = container_of(itr, Rlogin, interactor);
+    return log_get_policy(rlogin->logctx);
+}
+
+static Seat *rlogin_get_seat(Interactor *itr)
+{
+    Rlogin *rlogin = container_of(itr, Rlogin, interactor);
+    return rlogin->seat;
+}
+
+static void rlogin_set_seat(Interactor *itr, Seat *seat)
+{
+    Rlogin *rlogin = container_of(itr, Rlogin, interactor);
+    rlogin->seat = seat;
+}
+
 static const InteractorVtable Rlogin_interactorvt = {
     .description = rlogin_description,
+    .logpolicy = rlogin_logpolicy,
+    .get_seat = rlogin_get_seat,
+    .set_seat = rlogin_set_seat,
 };
 
 /*

otherbackends/supdup.c

@@ -649,8 +649,29 @@ static char *supdup_description(Interactor *itr)
     return dupstr(supdup->description);
 }
 
+static LogPolicy *supdup_logpolicy(Interactor *itr)
+{
+    Supdup *supdup = container_of(itr, Supdup, interactor);
+    return log_get_policy(supdup->logctx);
+}
+
+static Seat *supdup_get_seat(Interactor *itr)
+{
+    Supdup *supdup = container_of(itr, Supdup, interactor);
+    return supdup->seat;
+}
+
+static void supdup_set_seat(Interactor *itr, Seat *seat)
+{
+    Supdup *supdup = container_of(itr, Supdup, interactor);
+    supdup->seat = seat;
+}
+
 static const InteractorVtable Supdup_interactorvt = {
     .description = supdup_description,
+    .logpolicy = supdup_logpolicy,
+    .get_seat = supdup_get_seat,
+    .set_seat = supdup_set_seat,
 };
 
 /*

otherbackends/telnet.c

@@ -695,8 +695,29 @@ static char *telnet_description(Interactor *itr)
     return dupstr(telnet->description);
 }
 
+static LogPolicy *telnet_logpolicy(Interactor *itr)
+{
+    Telnet *telnet = container_of(itr, Telnet, interactor);
+    return log_get_policy(telnet->logctx);
+}
+
+static Seat *telnet_get_seat(Interactor *itr)
+{
+    Telnet *telnet = container_of(itr, Telnet, interactor);
+    return telnet->seat;
+}
+
+static void telnet_set_seat(Interactor *itr, Seat *seat)
+{
+    Telnet *telnet = container_of(itr, Telnet, interactor);
+    telnet->seat = seat;
+}
+
 static const InteractorVtable Telnet_interactorvt = {
     .description = telnet_description,
+    .logpolicy = telnet_logpolicy,
+    .get_seat = telnet_get_seat,
+    .set_seat = telnet_set_seat,
 };
 
 /*

putty.h

@@ -661,10 +661,32 @@ struct InteractorVtable {
      * The returned string must be freed by the caller.
      */
     char *(*description)(Interactor *itr);
+
+    /*
+     * Returns the LogPolicy associated with this Interactor. (A
+     * Backend can derive this from its logging context; a proxy
+     * Interactor inherits it from the Interactor for the parent
+     * network connection.)
+     */
+    LogPolicy *(*logpolicy)(Interactor *itr);
+
+    /*
+     * Gets and sets the Seat that this Interactor talks to. When a
+     * Seat is borrowed and replaced with a TempSeat, this will be the
+     * mechanism by which that replacement happens.
+     */
+    Seat *(*get_seat)(Interactor *itr);
+    void (*set_seat)(Interactor *itr, Seat *seat);
 };
 
 static inline char *interactor_description(Interactor *itr)
 { return itr->vt->description(itr); }
+static inline LogPolicy *interactor_logpolicy(Interactor *itr)
+{ return itr->vt->logpolicy(itr); }
+static inline Seat *interactor_get_seat(Interactor *itr)
+{ return itr->vt->get_seat(itr); }
+static inline void interactor_set_seat(Interactor *itr, Seat *seat)
+{ itr->vt->set_seat(itr, seat); }
 
 /* Interactors that are Backends will find this helper function useful
  * in constructing their description strings */

ssh/ssh.c

@@ -732,8 +732,29 @@ static char *ssh_description(Interactor *itr)
     return dupstr(ssh->description);
 }
 
+static LogPolicy *ssh_logpolicy(Interactor *itr)
+{
+    Ssh *ssh = container_of(itr, Ssh, interactor);
+    return log_get_policy(ssh->logctx);
+}
+
+static Seat *ssh_get_seat(Interactor *itr)
+{
+    Ssh *ssh = container_of(itr, Ssh, interactor);
+    return ssh->seat;
+}
+
+static void ssh_set_seat(Interactor *itr, Seat *seat)
+{
+    Ssh *ssh = container_of(itr, Ssh, interactor);
+    ssh->seat = seat;
+}
+
 static const InteractorVtable Ssh_interactorvt = {
     .description = ssh_description,
+    .logpolicy = ssh_logpolicy,
+    .get_seat = ssh_get_seat,
+    .set_seat = ssh_set_seat,
 };
 
 /*