Check os-release file for rhel or centos string (#1001)

* Check os-release file for rhel or centos string Signed-off-by: grantseltzer <grantseltzer@gmail.com> * Second major is minor Signed-off-by: grantseltzer <grantseltzer@gmail.com> * Use /etc/os-release instead of /usr/lib Signed-off-by: grantseltzer <grantseltzer@gmail.com>
aquasecurity · Sep 10, 2021 · 11e8451 · 11e8451
1 parent cd26d25
commit 11e8451
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/tracee-ebpf/Makefile b/tracee-ebpf/Makefile
@@ -26,6 +26,8 @@ BPF_BUNDLE := $(OUT_DIR)/tracee.bpf.tar.gz
 LIBBPF_SRC := 3rdparty/libbpf/src
 LIBBPF_HEADERS := $(OUT_DIR)/libbpf/usr/include
 LIBBPF_OBJ := $(OUT_DIR)/libbpf/libbpf.a
+OS_RELEASE_FILE := /etc/os-release
+
 # static build:
 ifdef STATIC
 CGO_EXT_LDFLAGS += -static
@@ -39,9 +41,12 @@ DOCKER_BUILDER_KERN_SRC ?= $(if $(shell readlink -f $(KERN_SRC_PATH)),$(shell re
 DOCKER_BUILDER_KERN_SRC_MNT ?= $(dir $(DOCKER_BUILDER_KERN_SRC))
 LINUX_VERSION_CODE := $(shell uname -r | awk '{split($$0,a,"."); split(a[3], b, "-"); print lshift(a[1], 16) + lshift(a[2],8) + b[1];}')
 
-ifneq (,$(wildcard /etc/redhat-release))
-	RHEL_MAJOR := $(shell grep -Eoh -m 1 '[0-9]+\.[0-9]+' /etc/redhat-release | cut -d '.' -f 1)
-	RHEL_MINOR := $(shell grep -Eoh -m 1 '[0-9]+\.[0-9]+' /etc/redhat-release | cut -d '.' -f 2)
+DIST_ID := $(shell grep -m 1 'ID=' $(OS_RELEASE_FILE) | cut -d '=' -f '2' | sed 's/\"//g')
+VERSION_ID := $(shell grep -m 1 'VERSION_ID=' $(OS_RELEASE_FILE) | cut -d '=' -f '2' | sed 's/\"//g')
+CENTOS_MERGED_RHEL := $(shell echo $(DIST_ID) | sed 's/centos/rhel/')
+ifeq ($(CENTOS_MERGED_RHEL), rhel)
+	RHEL_MAJOR := $(shell echo $(VERSION_ID) | cut -d '.' -f 1)
+	RHEL_MINOR := $(shell echo $(VERSION_ID) | cut -d '.' -f 2)
 	RHEL_RELEASE_CODE := $(shell echo $$(($(RHEL_MAJOR) << 8 | $(RHEL_MINOR))))
 else
 	RHEL_RELEASE_CODE := 0