1a563a0cbd
A mix of unchecked return values, a missing permission mask for open(2) with O_CREAT, and some false positives from -Wstringop-overflow and -Wmaybe-uninitialized. Reported-by: Martin Hauke <mardnh@gmx.de> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
89 lines
2.7 KiB
Makefile
89 lines
2.7 KiB
Makefile
# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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CFLAGS += -Wall -Wextra -pedantic
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CFLAGS += -DRLIMIT_STACK_VAL=$(shell ulimit -s)
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CFLAGS += -DPAGE_SIZE=$(shell getconf PAGE_SIZE)
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CFLAGS += -DNETNS_RUN_DIR=\"/run/netns\"
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CFLAGS += -DPASST_AUDIT_ARCH=AUDIT_ARCH_$(shell uname -m | tr [a-z] [A-Z])
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# On gcc 11.2, with -O2 and -flto, tcp_hash() and siphash_20b(), if inlined,
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# seem to be hitting something similar to:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78993
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# from the pointer arithmetic used from the tcp_tap_handler() path to get the
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# remote connection address.
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ifeq ($(shell $(CC) -dumpversion),11)
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ifneq (,$(filter -flto%,$(CFLAGS)))
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ifneq (,$(filter -O2,$(CFLAGS)))
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CFLAGS += -DTCP_HASH_NOINLINE
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CFLAGS += -DSIPHASH_20B_NOINLINE
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endif
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endif
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endif
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prefix ?= /usr/local
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all: passt pasta passt4netns qrap
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avx2: CFLAGS += -Ofast -mavx2 -ftree-vectorize -funroll-loops
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avx2: clean all
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static: CFLAGS += -static -DGLIBC_NO_STATIC_NSS
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static: clean all
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seccomp.h: *.c $(filter-out seccomp.h,$(wildcard *.h))
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@ ./seccomp.sh
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passt: $(filter-out qrap.c,$(wildcard *.c)) \
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$(filter-out qrap.h,$(wildcard *.h)) seccomp.h
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$(CC) $(CFLAGS) $(filter-out qrap.c,$(wildcard *.c)) -o passt
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pasta: passt
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ln -s passt pasta
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ln -s passt.1 pasta.1
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passt4netns: passt
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ln -s passt passt4netns
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qrap: qrap.c passt.h
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$(CC) $(CFLAGS) -DARCH=\"$(shell uname -m)\" \
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qrap.c -o qrap
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.PHONY: clean
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clean:
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-${RM} passt *.o seccomp.h qrap pasta pasta.1 passt4netns \
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passt.tar passt.tar.gz *.deb *.rpm
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install: passt pasta qrap
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mkdir -p $(DESTDIR)$(prefix)/bin $(DESTDIR)$(prefix)/share/man/man1
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cp -d passt pasta qrap $(DESTDIR)$(prefix)/bin
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cp -d passt.1 pasta.1 qrap.1 $(DESTDIR)$(prefix)/share/man/man1
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uninstall:
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-${RM} $(DESTDIR)$(prefix)/bin/passt
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-${RM} $(DESTDIR)$(prefix)/bin/pasta
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-${RM} $(DESTDIR)$(prefix)/bin/qrap
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-${RM} $(DESTDIR)$(prefix)/share/man/man1/passt.1
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-${RM} $(DESTDIR)$(prefix)/share/man/man1/pasta.1
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-${RM} $(DESTDIR)$(prefix)/share/man/man1/qrap.1
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pkgs:
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tar cf passt.tar -P --xform 's//\/usr\/bin\//' passt pasta qrap
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tar rf passt.tar -P --xform 's//\/usr\/share\/man\/man1\//' \
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passt.1 pasta.1 qrap.1
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gzip passt.tar
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EMAIL="sbrivio@redhat.com" fakeroot alien --to-deb \
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--description="User-mode networking for VMs and namespaces" \
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-k --version=$(shell git rev-parse --short HEAD) \
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passt.tar.gz
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fakeroot alien --to-rpm --target=$(shell uname -m) \
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--description="User-mode networking for VMs and namespaces" \
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-k --version=g$(shell git rev-parse --short HEAD) passt.tar.gz
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