Bump to Alpine 3.20, Fedora 40, FreeBSD 13.4 and 14.1 (#1588)

* Bump to Alpine 3.20

* Bump to Fedora 40

* ci: bump FreeBSD to 13.4 and 14.1

* pcap++: pcaplivedevice avoid variable-length arrays

Author: clementperon

.github/workflows/build_and_test.yml

@@ -72,9 +72,9 @@ jobs:
             config-zstd: OFF
           - image: ubuntu2004-zstd
             config-zstd: ON
-          - image: fedora39
+          - image: fedora40
             config-zstd: OFF
-          - image: alpine317
+          - image: alpine320
             config-zstd: OFF
 
     steps:
@@ -585,12 +585,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: ["14.0", "13.2"]
+        version: ["14.1", "13.4"]
     steps:
     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
     - name: Test in FreeBSD
       id: test
-      uses: vmactions/freebsd-vm@12c207ac1ba13827f25726fe93f9c2e6f685f0f3 # v1.0.8
+      uses: vmactions/freebsd-vm@d7b8fcc7711aa41ad45e8d9b737cf90f035a7e3d # v1.1.3
       with:
         release: ${{ matrix.version }}
         usesh: true

.github/workflows/package.yml

@@ -39,9 +39,9 @@ jobs:
             config-zstd: OFF
           - image: rhel94
             config-zstd: OFF
-          - image: fedora39
+          - image: fedora40
             config-zstd: OFF
-          - image: alpine317
+          - image: alpine320
             config-zstd: OFF
 
     steps:
@@ -93,17 +93,16 @@ jobs:
       id-token: write
     strategy:
       matrix:
-        include:
-          - freebsd-version: "13.2"
-          - freebsd-version: "14.0"
+        version: ["14.1", "13.4"]
+
     steps:
       - name: Checkout code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Test in FreeBSD
-        uses: vmactions/freebsd-vm@12c207ac1ba13827f25726fe93f9c2e6f685f0f3 # v1.0.8
+        uses: vmactions/freebsd-vm@d7b8fcc7711aa41ad45e8d9b737cf90f035a7e3d # v1.1.3
         with:
-          release: ${{ matrix.freebsd-version }}
+          release: ${{ matrix.version }}
           envs: 'BUILD_DIR'
           usesh: true
           prepare: |

Pcap++/src/PcapLiveDevice.cpp

@@ -1011,15 +1011,15 @@ namespace pcpp
 			return;
 		}
 
-		uint8_t buf[len];
+		std::vector<uint8_t> buf(len);
 
-		if (sysctl(mib, 6, buf, &len, nullptr, 0) < 0)
+		if (sysctl(mib, 6, buf.data(), &len, nullptr, 0) < 0)
 		{
 			PCPP_LOG_DEBUG("Error in retrieving MAC address: sysctl 2 error");
 			return;
 		}
 
-		struct if_msghdr* ifm = (struct if_msghdr*)buf;
+		struct if_msghdr* ifm = (struct if_msghdr*)buf.data();
 		struct sockaddr_dl* sdl = (struct sockaddr_dl*)(ifm + 1);
 		uint8_t* ptr = (uint8_t*)LLADDR(sdl);
 		m_MacAddress = MacAddress(ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5]);