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tpws: oob and disorder protocol filters

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bol-van
2024-03-26 11:38:31 +03:00
parent cb41002c1a
commit 4f09a08260
19 changed files with 123 additions and 74 deletions
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11
tpws/tamper.c
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@@ -25,7 +25,7 @@ bool find_host(uint8_t **pHost,uint8_t *buf,size_t bs)
static const char *http_methods[] = { "GET /","POST /","HEAD /","OPTIONS /","PUT /","DELETE /","CONNECT /","TRACE /",NULL };
// segment buffer has at least 5 extra bytes to extend data block
void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,size_t *size, size_t *split_pos)
void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,size_t *size, size_t *split_pos, uint8_t *split_flags)
{
uint8_t *p, *pp, *pHost = NULL;
size_t method_len = 0, pos;
@@ -37,6 +37,7 @@ void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,si
DBGPRINT("tamper_out")
*split_pos=0;
*split_flags=0;
for (method = http_methods; *method; method++)
{
@@ -209,6 +210,8 @@ void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,si
default:
if (params.split_pos < *size) *split_pos = params.split_pos;
}
if (params.disorder_http) *split_flags |= SPLIT_FLAG_DISORDER;
if (params.oob_http) *split_flags |= SPLIT_FLAG_OOB;
}
else
{
@@ -269,6 +272,9 @@ void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,si
if (params.split_pos < *size)
*split_pos = params.split_pos;
if (params.disorder_tls) *split_flags |= SPLIT_FLAG_DISORDER;
if (params.oob_tls) *split_flags |= SPLIT_FLAG_OOB;
}
}
else if (params.split_any_protocol && params.split_pos < *size)
@@ -279,7 +285,8 @@ void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,si
DBGPRINT("tamper_out put hostname : %s", Host)
ctrack->hostname=strdup(Host);
}
if (params.disorder) *split_flags |= SPLIT_FLAG_DISORDER;
if (params.oob) *split_flags |= SPLIT_FLAG_OOB;
}