TSG-7784 PacketAdapter支持CI自动构建RPM; 修改代码结构

5 files changed, 279 insertions, 0 deletions

diff --git a/common/src/decode_gtp.c b/common/src/decode_gtp.c
new file mode 100644
index 0000000..92dc528
--- /dev/null
+++ b/common/src/decode_gtp.c
@@ -0,0 +1,56 @@
+#include "decode_gtp.h"
+
+#define GTP_TPDU 255
+#define GTP1U_PORT 2152
+#define GTP1_F_MASK 0x07
+
+#define GTP1_GET_TYPE(gtp1_hdr) ((gtp1_hdr)->type)
+#define GTP1_GET_FLAGS(gtp1_hdr) ((gtp1_hdr)->flags >> 5)
+#define GTP1_GET_HLEN(gtp1_hdr) (((gtp1_hdr)->flags & GTP1_F_MASK) > 0 ? 12 : 8)
+
+enum gtp_version_e
+{
+    GTP_V0 = 0,
+    GTP_V1,
+};
+
+int decode_gtp(gtp_info_t *packet, const uint8_t *data, uint32_t len)
+{
+    if (len < sizeof(gtp1_header_t))
+    {
+        LOG_ERROR("Parser GTP Header: packet length too small %d", len);
+        return -1;
+    }
+
+    packet->hdr = (gtp1_header_t *)data;
+    if (GTP1_GET_FLAGS(packet->hdr) != GTP_V1)
+    {
+        LOG_ERROR("Parser GTP Header: invalid gtp flags %d", GTP1_GET_FLAGS(packet->hdr));
+        return -1;
+    }
+
+    if (GTP1_GET_TYPE(packet->hdr) != GTP_TPDU)
+    {
+        LOG_ERROR("Parser GTP Header: invalid gtp type %d", GTP1_GET_TYPE(packet->hdr));
+        return -1;
+    }
+
+    /* From 29.060: "This field shall be present if and only if any one or
+     * more of the S, PN and E flags are set.".
+     *
+     * If any of the bit is set, then the remaining ones also have to be set.
+     */
+    packet->hdr_len = GTP1_GET_HLEN(packet->hdr);
+    packet->payload = (uint8_t *)data + packet->hdr_len;
+    packet->payload_len = len - packet->hdr_len;
+
+    return 0;
+}
+
+void dump_gtp_info(uint32_t pkt_id, gtp_info_t *packet)
+{
+    LOG_DEBUG("id: %u, gtp_info: {hdr_len: %u, data_len: %u}",
+              pkt_id,
+              packet->hdr_len,
+              packet->payload_len);
+}
\ No newline at end of file
diff --git a/common/src/decode_ipv4.c b/common/src/decode_ipv4.c
new file mode 100644
index 0000000..8b98975
--- /dev/null
+++ b/common/src/decode_ipv4.c
@@ -0,0 +1,68 @@
+#include "decode_ipv4.h"
+
+#define IPV4_GET_HLEN(ip4_hdr) (((ip4_hdr)->ip_verhl & 0x0f) << 2)
+#define IPV4_GET_IPPROTO(ip4_hdr) ((ip4_hdr)->ip_proto)
+#define IPV4_GET_IPLEN(ip4_hdr) ((uint16_t)ntohs((ip4_hdr)->ip_len))
+#define IPV4_GET_SRC_ADDR(ip4_hdr) ((ip4_hdr)->ip4_hdrun1.ip4_un1.ip_src)
+#define IPV4_GET_DST_ADDR(ip4_hdr) ((ip4_hdr)->ip4_hdrun1.ip4_un1.ip_dst)
+
+int decode_ipv4(ipv4_info_t *packet, const uint8_t *data, uint32_t len)
+{
+    // 检查包长是否大于 IPv4 header
+    if (len < IPV4_HEADER_LEN)
+    {
+        LOG_ERROR("Parser IPv4 Header: packet length too small %d", len);
+        return -1;
+    }
+
+    // 检查 IPv4 header version
+    if (IP_GET_RAW_VER(data) != 4)
+    {
+        LOG_ERROR("Parser IPv4 Header: invalid IP version %d", IP_GET_RAW_VER(data));
+        return -1;
+    }
+
+    packet->hdr = (ipv4_header_t *)data;
+    // 检查 IPv4 header length
+    if (IPV4_GET_HLEN(packet->hdr) < IPV4_HEADER_LEN)
+    {
+        LOG_ERROR("Parser IPv4 Header: invalid IP header length %d", IPV4_GET_HLEN(packet->hdr));
+        return -1;
+    }
+
+    // 检查 IPv4 header total length
+    if (IPV4_GET_IPLEN(packet->hdr) < IPV4_GET_HLEN(packet->hdr))
+    {
+        LOG_ERROR("Parser IPv4 Header: invalid IP header total length %d", IPV4_GET_IPLEN(packet->hdr));
+        return -1;
+    }
+
+    // 检查是否 IP 分片
+    if (len < IPV4_GET_IPLEN(packet->hdr))
+    {
+        LOG_ERROR("Parser IPv4 Header: trunc packet");
+        return -1;
+    }
+
+    inet_ntop(AF_INET, &IPV4_GET_SRC_ADDR(packet->hdr), packet->src_addr, sizeof(packet->src_addr));
+    inet_ntop(AF_INET, &IPV4_GET_DST_ADDR(packet->hdr), packet->dst_addr, sizeof(packet->dst_addr));
+
+    packet->next_protocol = IPV4_GET_IPPROTO(packet->hdr);
+    packet->hdr_len = IPV4_GET_HLEN(packet->hdr);
+    packet->opts_len = packet->hdr_len - IPV4_HEADER_LEN;
+    packet->payload_len = len - packet->hdr_len;
+    packet->payload = (uint8_t *)data + packet->hdr_len;
+
+    return 0;
+}
+
+void dump_ipv4_info(uint32_t pkt_id, ipv4_info_t *packet)
+{
+    LOG_DEBUG("id: %u, ipv4_info: {src_addr: %s, dst_addr: %s, hdr_len: %u, opt_len: %u, data_len: %u}",
+              pkt_id,
+              packet->src_addr,
+              packet->dst_addr,
+              packet->hdr_len,
+              packet->opts_len,
+              packet->payload_len);
+}
\ No newline at end of file
diff --git a/common/src/decode_ipv6.c b/common/src/decode_ipv6.c
new file mode 100644
index 0000000..a583d54
--- /dev/null
+++ b/common/src/decode_ipv6.c
@@ -0,0 +1,55 @@
+#include "decode_ipv6.h"
+
+#define IPV6_GET_PLEN(ip6_hdr) ((uint16_t)ntohs((ip6_hdr)->ip6_hdrun.ip6_un1.ip6_un1_plen))
+#define IPV6_GET_NH(ip6_hdr) ((ip6_hdr)->ip6_hdrun.ip6_un1.ip6_un1_nxt)
+#define IPV6_GET_SRC_ADDR(ip6_hdr) ((ip6_hdr)->ip6_hdrun2.ip6_un2.ip6_src)
+#define IPV6_GET_DST_ADDR(ip6_hdr) ((ip6_hdr)->ip6_hdrun2.ip6_un2.ip6_dst)
+
+int decode_ipv6(ipv6_info_t *packet, const uint8_t *data, uint32_t len)
+{
+    if (len < IPV6_HEADER_LEN)
+    {
+        LOG_ERROR("Parser IPv6 Header: packet length too small %d", len);
+        return -1;
+    }
+
+    // 检查 IPv6 header version
+    if (IP_GET_RAW_VER(data) != 6)
+    {
+        LOG_ERROR("Parser IPv6 Header: invalid IP version %d", IP_GET_RAW_VER(data));
+        return -1;
+    }
+
+    packet->hdr = (ipv6_header_t *)data;
+    if (len < (IPV6_HEADER_LEN + IPV6_GET_PLEN(packet->hdr)))
+    {
+        LOG_ERROR("Parser IPv6 Header: trunc packet");
+        return -1;
+    }
+
+    if (len != (IPV6_HEADER_LEN + IPV6_GET_PLEN(packet->hdr)))
+    {
+        LOG_ERROR("Parser IPv6 Header: invalid payload length %d", IPV6_GET_PLEN(packet->hdr));
+        return -1;
+    }
+
+    inet_ntop(AF_INET6, &IPV6_GET_SRC_ADDR(packet->hdr), packet->src_addr, sizeof(packet->src_addr));
+    inet_ntop(AF_INET6, &IPV6_GET_DST_ADDR(packet->hdr), packet->dst_addr, sizeof(packet->dst_addr));
+
+    packet->next_protocol = IPV6_GET_NH(packet->hdr);
+    packet->hdr_len = IPV6_HEADER_LEN;
+    packet->payload = (uint8_t *)data + packet->hdr_len;
+    packet->payload_len = len - packet->hdr_len;
+
+    return 0;
+}
+
+void dump_ipv6_info(uint32_t pkt_id, ipv6_info_t *packet)
+{
+    LOG_DEBUG("id: %u, ipv6_info: {src_addr: %s, dst_addr: %s, hdr_len: %u, data_len: %u}",
+              pkt_id,
+              packet->src_addr,
+              packet->dst_addr,
+              packet->hdr_len,
+              packet->payload_len);
+}
\ No newline at end of file
diff --git a/common/src/decode_tcp.c b/common/src/decode_tcp.c
new file mode 100644
index 0000000..75a1ab8
--- /dev/null
+++ b/common/src/decode_tcp.c
@@ -0,0 +1,52 @@
+#include "decode_tcp.h"
+
+#define TCP_OPTLENMAX 40
+
+#define TCP_GET_HLEN(tcp_hdr) ((((tcp_hdr)->th_offx2 & 0xf0) >> 4) << 2)
+#define TCP_GET_SRC_PORT(tcp_hdr) ((uint16_t)ntohs((tcp_hdr)->th_sport))
+#define TCP_GET_DST_PORT(tcp_hdr) ((uint16_t)ntohs((tcp_hdr)->th_dport))
+
+int decode_tcp(tcp_info_t *packet, const uint8_t *data, uint32_t len)
+{
+    if (len < TCP_HEADER_LEN)
+    {
+        LOG_ERROR("Parser TCP Header: packet length too small %d", len);
+        return -1;
+    }
+
+    packet->hdr = (tcp_header_t *)data;
+    uint8_t hlen = TCP_GET_HLEN(packet->hdr);
+    if (len < hlen)
+    {
+        LOG_ERROR("Parser TCP Header: TCP packet too small %d", len);
+        return -1;
+    }
+
+    uint8_t tcp_opt_len = hlen - TCP_HEADER_LEN;
+    if (tcp_opt_len > TCP_OPTLENMAX)
+    {
+        LOG_ERROR("Parser TCP Header: invalid opt length %d", tcp_opt_len);
+        return -1;
+    }
+
+    packet->opt_len = tcp_opt_len;
+    packet->src_port = TCP_GET_SRC_PORT(packet->hdr);
+    packet->dst_port = TCP_GET_DST_PORT(packet->hdr);
+
+    packet->hdr_len = hlen;
+    packet->payload = (uint8_t *)data + packet->hdr_len;
+    packet->payload_len = len - packet->hdr_len;
+
+    return 0;
+}
+
+void dump_tcp_info(uint32_t pkt_id, tcp_info_t *packet)
+{
+    LOG_DEBUG("id: %u, tcp_info: {src_port: %u, dst_port: %u, hdr_len: %u, opt_len: %u, data_len:%u}",
+              pkt_id,
+              packet->src_port,
+              packet->dst_port,
+              packet->hdr_len,
+              packet->opt_len,
+              packet->payload_len);
+}
\ No newline at end of file
diff --git a/common/src/decode_udp.c b/common/src/decode_udp.c
new file mode 100644
index 0000000..bebe337
--- /dev/null
+++ b/common/src/decode_udp.c
@@ -0,0 +1,48 @@
+#include "decode_udp.h"
+
+#define UDP_GET_LEN(udp_hdr) ((uint16_t)ntohs((udp_hdr)->udp_len))
+#define UDP_GET_SRC_PORT(udp_hdr) ((uint16_t)ntohs((udp_hdr)->udp_src_port))
+#define UDP_GET_DST_PORT(udp_hdr) ((uint16_t)ntohs((udp_hdr)->udp_dst_port))
+
+int decode_udp(udp_info_t *packet, const uint8_t *data, uint32_t len)
+{
+    if (len < UDP_HEADER_LEN)
+    {
+        LOG_ERROR("Parser UDP Header: packet length too small %d", len);
+        return -1;
+    }
+
+    packet->hdr = (udp_header_t *)data;
+    // 检查 UDP header len
+    if (len < UDP_GET_LEN(packet->hdr))
+    {
+        LOG_ERROR("Parser UDP Header: UDP packet too small %d", len);
+        return -1;
+    }
+
+    // 检查 UDP header len
+    if (len != UDP_GET_LEN(packet->hdr))
+    {
+        LOG_ERROR("Parser UDP Header: invalid UDP header length %d", UDP_GET_LEN(packet->hdr));
+        return -1;
+    }
+
+    packet->src_port = UDP_GET_SRC_PORT(packet->hdr);
+    packet->dst_port = UDP_GET_DST_PORT(packet->hdr);
+
+    packet->hdr_len = UDP_HEADER_LEN;
+    packet->payload = (uint8_t *)data + UDP_HEADER_LEN;
+    packet->payload_len = len - UDP_HEADER_LEN;
+
+    return 0;
+}
+
+void dump_udp_info(uint32_t pkt_id, udp_info_t *packet)
+{
+    LOG_DEBUG("id: %u, udp_info: {src_port: %u, dst_port: %u, hdr_len: %u, data_len: %u}",
+              pkt_id,
+              packet->src_port,
+              packet->dst_port,
+              packet->hdr_len,
+              packet->payload_len);
+}