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Add ALG detection discovery

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Mészáros Mihály 2017-09-27 08:32:39 +02:00
parent e93bbd2137
commit 22cc19e53c
1 changed files with 29 additions and 5 deletions
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34
src/apps/natdiscovery/natdiscovery.c
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@ -196,11 +196,24 @@ static int run_stunclient(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr
turn::StunAttrAddr addr2(iter2);
addr2.getAddr(response_origin);
addr_debug_print(1, &response_origin, "Response origin: ");
}
turn::StunAttrIterator iter3(res,STUN_ATTRIBUTE_MAPPED_ADDRESS);
if (!iter3.eof()) {
ioa_addr mapped_addr;
addr_set_any(mapped_addr);
turn::StunAttrAddr addr3(iter3);
addr3.getAddr(mapped_addr);
if (!addr_eq(mapped_addr,reflexive_addr)){
printf("\n -= ALG detected! Mapped and XOR-Mapped differ! =-\n");
addr_debug_print(1, &response_origin, "Mapped Address: ");
}
} else {
printf("Not received mapped address attribute!\n");
}
addr_debug_print(1, other_addr, "Other addr: ");
}
addr_debug_print(1, reflexive_addr, "UDP reflexive addr");
addr_debug_print(1, local_addr, "Local addr: ");
addr_debug_print(1, local_addr, "Local addr: ");
} else {
printf("Cannot read the response\n");
}
@ -222,7 +235,7 @@ static int run_stunclient(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr
}else{
printf("The response is not a well formed STUN message\n");
}
ret=1;
ret=1;
}
}
close(udp_fd);
@ -331,12 +344,23 @@ static int run_stunclient(ioa_addr *local_addr, ioa_addr *remote_addr, ioa_addr
if (sar) {
ioa_addr response_origin;
stun_attr_get_addr_str((u08bits *) buf.buf, (size_t) buf.len, sar, &response_origin, NULL);
addr_debug_print(1, &response_origin, "Response origin: ");
addr_debug_print(1, &response_origin, "Response origin: ");
ioa_addr mapped_addr;
addr_set_any(&mapped_addr);
if (stun_attr_get_first_addr(&buf, STUN_ATTRIBUTE_MAPPED_ADDRESS, &mapped_addr, NULL) >= 0) {
if (!addr_eq(&mapped_addr,reflexive_addr)){
printf("\n -= ALG detected! Mapped and XOR-Mapped differ! =-\n");
addr_debug_print(1, &response_origin, "Mapped Address: ");
}
} else {
printf("Not received mapped address attribute!\n");
}
}
addr_debug_print(1, other_addr, "Other addr: ");
}
addr_debug_print(1, reflexive_addr, "UDP reflexive addr");
addr_debug_print(1, local_addr, "Local addr: ");
addr_debug_print(1, local_addr, "Local addr: ");
} else {
printf("Cannot read the response\n");
}