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added support for SNI

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mathewmarcus 2018-06-24 22:57:40 -05:00
parent 57fc64ac77
commit 4765bb22d1
1 changed files with 67 additions and 4 deletions
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71
ssl/ssl.enums.c
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@ -7,6 +7,7 @@
#endif #endif
#include "ssl.enums.h" #include "ssl.enums.h"
static int decode_extension(ssl,dir,seg,data); static int decode_extension(ssl,dir,seg,data);
static int decode_server_name(ssl,dir,seg,data);
static int decode_ContentType_ChangeCipherSpec(ssl,dir,seg,data) static int decode_ContentType_ChangeCipherSpec(ssl,dir,seg,data)
ssl_obj *ssl; ssl_obj *ssl;
int dir; int dir;
@ -2455,10 +2456,34 @@ static int decode_extension_server_name(ssl,dir,seg,data)
segment *seg; segment *seg;
Data *data; Data *data;
{ {
int l,r; UINT4 t;
int l,r,p;
extern decoder server_name_type_decoder[];
SSL_DECODE_UINT16(ssl,"extension length",0,data,&l); SSL_DECODE_UINT16(ssl,"extension length",0,data,&l);
data->len-=l;
data->data+=l; if(dir==DIR_I2R){
SSL_DECODE_UINT16(ssl,"server name list length",0,data,&l);
printf("\n");
while(l) {
p=data->len;
SSL_DECODE_UINT8(ssl, "server name type", 0, data, &t);
if (ssl_decode_switch(ssl,server_name_type_decoder,t,dir,seg,data) == R_NOT_FOUND) {
decode_server_name(ssl,dir,seg,data);
P_(P_RH){
explain(ssl, "Server Name type: %s not yet implemented in ssldump", t);
}
continue;
}
l-=(p-data->len);
}
}
else{
data->len-=l;
data->data+=l;
}
return(0); return(0);
} }
static int decode_extension_encrypt_then_mac(ssl,dir,seg,data) static int decode_extension_encrypt_then_mac(ssl,dir,seg,data)
@ -2513,7 +2538,7 @@ decoder extension_decoder[] = {
{ {
0, 0,
"server_name", "server_name",
decode_extension, decode_extension_server_name,
}, },
{ {
1, 1,
@ -2568,3 +2593,41 @@ decoder extension_decoder[] = {
{-1} {-1}
}; };
static int decode_server_name_type_host_name(ssl,dir,seg,data)
ssl_obj *ssl;
int dir;
segment *seg;
Data *data;
{
int l,r;
SSL_DECODE_UINT16(ssl,"server name length",0,data,&l);
printf(": %.*s",l,data->data);
/* Possibly use data->data to set/modify ssl->server_name */
data->len-=l;
data->data+=l;
return(0);
}
static int decode_server_name(ssl,dir,seg,data)
ssl_obj *ssl;
int dir;
segment *seg;
Data *data;
{
int l,r;
SSL_DECODE_UINT16(ssl,"server name length",0,data,&l);
data->len-=l;
data->data+=l;
return(0);
}
decoder server_name_type_decoder[]={
{
0,
"host_name",
decode_server_name_type_host_name
},
{-1}
};