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qapi: add strict mode to input visitor

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While QMP in general is designed so that it is possible to ignore
unknown arguments, in the case of the QMP server it is better to
reject them to detect bad clients.  In fact, we're already doing
this at the top level in the argument checker.  To extend this to
complex structures, add a mode to the input visitor where it checks
for unvisited keys and raises an error if it finds one.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-03-22 12:51:10 +01:00 • committed by Luiz Capitulino
parent 4faaec6acf
commit e38ac9621c
4 changed files with 285 additions and 4 deletions
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5
tests/Makefile
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@ -16,7 +16,7 @@ check-qfloat: check-qfloat.o qfloat.o $(tools-obj-y)
check-qjson: check-qjson.o $(qobject-obj-y) $(tools-obj-y)
test-coroutine: test-coroutine.o qemu-timer-common.o async.o $(coroutine-obj-y) $(tools-obj-y)
test-qmp-input-visitor.o test-qmp-output-visitor.o \
test-qmp-input-visitor.o test-qmp-output-visitor.o test-qmp-input-strict.o \
test-string-input-visitor.o test-string-output-visitor.o \
test-qmp-commands.o: QEMU_CFLAGS += -I $(qapi-dir)
@ -37,6 +37,9 @@ test-string-output-visitor: test-string-output-visitor.o $(qobject-obj-y) $(qapi
test-string-input-visitor.o: $(addprefix $(qapi-dir)/, test-qapi-types.c test-qapi-types.h test-qapi-visit.c test-qapi-visit.h) $(qapi-obj-y)
test-string-input-visitor: test-string-input-visitor.o $(qobject-obj-y) $(qapi-obj-y) $(tools-obj-y) $(qapi-dir)/test-qapi-visit.o $(qapi-dir)/test-qapi-types.o
test-qmp-input-strict.o: $(addprefix $(qapi-dir)/, test-qapi-types.c test-qapi-types.h test-qapi-visit.c test-qapi-visit.h) $(qapi-obj-y)
test-qmp-input-strict: test-qmp-input-strict.o $(qobject-obj-y) $(qapi-obj-y) $(tools-obj-y) $(qapi-dir)/test-qapi-visit.o $(qapi-dir)/test-qapi-types.o
test-qmp-output-visitor.o: $(addprefix $(qapi-dir)/, test-qapi-types.c test-qapi-types.h test-qapi-visit.c test-qapi-visit.h) $(qapi-obj-y)
test-qmp-output-visitor: test-qmp-output-visitor.o $(qobject-obj-y) $(qapi-obj-y) $(tools-obj-y) $(qapi-dir)/test-qapi-visit.o $(qapi-dir)/test-qapi-types.o