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Add a quirk to make thread ports always odd (libplatform expects that)
+27
-9
+18
-7
src/lkm/ipc_space.c
+18
-7
src/lkm/ipc_space.c
···
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return 0;
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}
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-
mach_msg_return_t ipc_space_make_send(ipc_namespace_t* space, darling_mach_port_t* port, bool once, mach_port_name_t* name_out)
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+
mach_msg_return_t ipc_space_make_send_odd(ipc_namespace_t* space, darling_mach_port_t* port, bool once, mach_port_name_t* name_out, bool odd)
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{
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mach_msg_return_t ret;
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struct mach_port_right* right = NULL;
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int id;
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int id, search_start = 1;
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mutex_lock(&space->mutex);
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···
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goto err;
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}
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id = idr_alloc(&space->names, right, 1, -1, GFP_KERNEL);
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if (id < 0)
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do
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{
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ret = KERN_RESOURCE_SHORTAGE;
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goto err;
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-
}
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id = idr_alloc(&space->names, right, search_start, -1, GFP_KERNEL);
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if (id < 0)
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{
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ret = KERN_RESOURCE_SHORTAGE;
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goto err;
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}
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if (odd && !(id & 1))
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{
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idr_remove(&space->names, id);
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search_start = id+1;
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}
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else
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odd = false;
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} while (odd);
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*name_out = id;
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+8
-1
src/lkm/ipc_space.h
+8
-1
src/lkm/ipc_space.h
···
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/*
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* Locks and unlocks the space. Expects the port to be locked.
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*
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* Some userspace code expects certain right numbers to be odd (e.g. thread ports).
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*/
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mach_msg_return_t ipc_space_make_send(ipc_namespace_t* space, darling_mach_port_t* port, bool once, mach_port_name_t* name_out);
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mach_msg_return_t ipc_space_make_send_odd(ipc_namespace_t* space, darling_mach_port_t* port, bool once, mach_port_name_t* name_out, bool odd);
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inline static mach_msg_return_t ipc_space_make_send(ipc_namespace_t* space, darling_mach_port_t* port, bool once, mach_port_name_t* name_out)
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{
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return ipc_space_make_send_odd(space, port, once, name_out, false);
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}
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/*
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* Inserts existing right into given namespace.
+1
-1
src/lkm/traps.c
+1
-1
src/lkm/traps.c