gfwleak/mesa-framework-mesa-jump-layer
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向前兼容, 仍支持历史已有的接口.

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This commit is contained in:
lijia
2021-09-15 10:36:02 +08:00
parent c75c00a185
commit 9c1e57d6f8
2 changed files with 40 additions and 3 deletions
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33
inc/MESA_jump_layer.h
View File

@@ -13,18 +13,45 @@ extern "C" {
const char *MESA_jump_layer_get_last_error(void);
/*
The raw_layer_type and expect_layer_type refer to sapp_base.h->enum addr_type_t
CHN : <20><><EFBFBD>ݰ<EFBFBD>ͷ<EFBFBD><CDB7>ƫ<EFBFBD>ƺ<EFBFBD><C6BA><EFBFBD>.
<09><><EFBFBD><EFBFBD>:
raw_data: <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ָ<EFBFBD><D6B8>;
raw_layer_type: <20><>ǰ<EFBFBD><C7B0><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>: enum addr_type_t ;
expect_layer_type: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>: enum addr_type_t ;
<09><><EFBFBD><EFBFBD>ֵ:
NULL: <20>޴˵<DEB4>ַ;
NON-NULL: <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>ַ.
<09><><EFBFBD><EFBFBD>:
<09><><EFBFBD>赱ǰ<E8B5B1><C7B0>ΪEthernet, <20><>ʼ<EFBFBD><CABC>ͷ<EFBFBD><CDB7>ַΪthis_layer_hdr, <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>IPv6<76><36>ͷ<EFBFBD><CDB7>:
struct ip6_hdr *ip6_header;
ip6_header = MESA_net_jump_to_layer(this_layer_hdr, ADDR_TYPE_MAC, ADDR_TYPE_IPV6);
*/
const void *MESA_jump_layer(const void *raw_data, int raw_layer_type, int expect_layer_type);
/*
MESA_jump_layer_greedy<64><79>MESA_jump_layer<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>Э<EFBFBD><D0AD><EFBFBD><EFBFBD>˵,
MESA_jump_layer<65><72>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>expect_layer_type;
MESA_jump_layer_greedy<64><79>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>expect_layer_type;
*/
const void *MESA_jump_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type);
const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len );
/* <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>Ľӿ<C4BD><D3BF><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC> */
const void *MESA_net_jump_to_layer(const void *raw_data, int raw_layer_type, int expect_layer_type);
const void *MESA_net_jump_to_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type);
const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len );
const char *MESA_jump_layer_ipv6_ntop(const struct ip6_hdr *ip6_hdr, char *out_buf, int buf_len);
#ifdef __cplusplus
}
#endif
#endif

10
src/MESA_jump_layer.cpp
View File

@@ -1332,6 +1332,11 @@ const void *MESA_jump_layer(const void *raw_data, int raw_layer_type, int expec
return ((const char *)raw_data + ret);
}
const void *MESA_net_jump_to_layer(const void *raw_data, int raw_layer_type, int expect_layer_type)
{
return MESA_jump_layer(raw_data, raw_layer_type, expect_layer_type);
}
/*
<09><>MESA_jump_layer()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
MESA_jump_layer()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㿪ʼ, <20>ҵ<EFBFBD><D2B5><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD>˳<EFBFBD>;
@@ -1425,6 +1430,11 @@ done:
return success_layer;
}
const void *MESA_net_jump_to_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type)
{
return MESA_jump_layer_greedy(raw_data, raw_layer_type, expect_layer_type);
}
/* ģ<><C4A3>tcpdump<6D><70>ʽ: 192.168.40.137.22 > 192.168.36.40.49429 */
const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len )
{