From e34aa3f5e23d7fa0b95944269c499d5c1e7c23aa Mon Sep 17 00:00:00 2001
From: luwenpeng <luwenpeng@geedgenetworks.com>
Date: Wed, 9 Aug 2023 18:47:16 +0800
Subject: TSG-16531 PacketAdapter适配容器环境，使用mrzcpd收包，通过RAW
 Socket注RST包
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common/src/packet_inject.cpp | 58 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 common/src/packet_inject.cpp

(limited to 'common/src/packet_inject.cpp')

diff --git a/common/src/packet_inject.cpp b/common/src/packet_inject.cpp
new file mode 100644
index 0000000..464fefa
--- /dev/null
+++ b/common/src/packet_inject.cpp
@@ -0,0 +1,58 @@
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+
+#include "log.h"
+
+int packet_inject_ipv4(struct in_addr *ip_dst, const char *data, int len)
+{
+    struct sockaddr_in saddr4 = {0};
+    saddr4.sin_family = PF_INET;
+    memcpy(&saddr4.sin_addr, ip_dst, sizeof(struct in_addr));
+
+    int fd = socket(PF_INET, SOCK_RAW, IPPROTO_RAW);
+    if (fd == -1)
+    {
+        LOG_ERROR("Failed at socket(PF_INET, SOCK_RAW), %d: %s", errno, strerror(errno));
+        return -1;
+    }
+
+    if (sendto(fd, data, len, 0, (struct sockaddr *)&saddr4, sizeof(saddr4)) == -1)
+    {
+        char string[256] = {0};
+        inet_ntop(PF_INET, ip_dst, string, sizeof(string));
+        LOG_ERROR("Failed at send() %s, (%d: %s)", string, errno, strerror(errno));
+        close(fd);
+        return -1;
+    }
+
+    close(fd);
+    return 0;
+}
+
+int packet_inject_ipv6(struct in6_addr *ip6_dst, const char *data, int len)
+{
+    struct sockaddr_in6 saddr6 = {0};
+    saddr6.sin6_family = PF_INET6;
+    memcpy(&saddr6.sin6_addr, ip6_dst, sizeof(struct in6_addr));
+
+    int fd = socket(PF_INET6, SOCK_RAW, IPPROTO_RAW);
+    if (fd == -1)
+    {
+        LOG_ERROR("Failed at socket(PF_INET6, SOCK_RAW), %d: %s", errno, strerror(errno));
+        return -1;
+    }
+
+    if (sendto(fd, data, len, 0, (struct sockaddr *)&saddr6, sizeof(saddr6)) == -1)
+    {
+        char string[256] = {0};
+        inet_ntop(PF_INET6, ip6_dst, string, sizeof(string));
+        LOG_ERROR("Failed at send() %s, (%d: %s)", string, errno, strerror(errno));
+        close(fd);
+        return -1;
+    }
+
+    close(fd);
+    return 0;
+}
-- 
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