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Code Issues Releases Wiki Activity

Native fixed UDP broadcast

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This commit is contained in:
M66B 2016-01-22 20:48:58 +01:00
parent ec77f7403e
commit f5564607a1
1 changed files with 10 additions and 1 deletions
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11
app/src/main/jni/netguard/netguard.c
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@ -934,6 +934,16 @@ jboolean handle_udp(const struct arguments *args, const uint8_t *buffer, uint16_
return 0;
}
else {
// Check for broacast
uint32_t broadcast = INADDR_BROADCAST;
if (memcmp(&iphdr->saddr, &broadcast, sizeof(broadcast)) == 0) {
log_android(ANDROID_LOG_WARN, "UDP broadcast");
int on = 1;
if (setsockopt(u->socket, SOL_SOCKET, SO_BROADCAST, &on, sizeof(on)))
log_android(ANDROID_LOG_ERROR, "UDP setsockopt error %d: %s",
errno, strerror(errno));
}
protect_socket(args, u->socket);
if (last == NULL)
@ -943,7 +953,6 @@ jboolean handle_udp(const struct arguments *args, const uint8_t *buffer, uint16_
cur = u;
}
}
char source[40];