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network.c:

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- addr_resolve(): for() instead of while(), flip conditions for a much neater function (suggested by Andreas Schneider)
- ip_ntoa(): enforced termination: terminate at the maximum position, that's the one snprintf() may forget
- networking_poll(): forgot tabs2spaces
This commit is contained in:
Coren[m] 2013-09-14 17:09:03 +02:00
parent d9965df382
commit a7d059a130
1 changed files with 30 additions and 36 deletions
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66
toxcore/network.c
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@ -210,11 +210,11 @@ void networking_poll(Networking_Core *net)
if (!(net->packethandlers[data[0]].function)) {
#ifdef LOGGING
sprintf(logbuffer, "[%02u] -- Packet has no handler.\n", data[0]);
loglog(logbuffer);
sprintf(logbuffer, "[%02u] -- Packet has no handler.\n", data[0]);
loglog(logbuffer);
#endif
continue;
}
continue;
}
net->packethandlers[data[0]].function(net->packethandlers[data[0]].object, ip_port, data, length);
}
@ -613,7 +613,8 @@ const char *ip_ntoa(IP *ip)
else
snprintf(addresstext, sizeof(addresstext), "(IP invalid: NULL)");
addresstext[INET6_ADDRSTRLEN + 2] = 0;
/* brute force protection against lacking termination */
addresstext[sizeof(addresstext) - 1] = 0;
return addresstext;
};
@ -728,52 +729,45 @@ int addr_resolve(const char *address, IP *to, IP *extra)
memset(&ip6, 0, sizeof(ip6));
#endif
walker = server;
while (walker && (rc != 3)) {
if (family != AF_UNSPEC) {
for(walker = server; (walker != NULL) && (rc != 3); walker = walker->ai_next) {
switch(walker->ai_family) {
case AF_INET:
if (walker->ai_family == family) {
if (family == AF_INET) {
if (walker->ai_addrlen == sizeof(struct sockaddr_in)) {
struct sockaddr_in *addr = (struct sockaddr_in *)walker->ai_addr;
struct sockaddr_in *addr = (struct sockaddr_in *)walker->ai_addr;
#ifdef TOX_ENABLE_IPV6
to->ip4.in_addr = addr->sin_addr;
to->ip4.in_addr = addr->sin_addr;
#else
to->in_addr = addr->sin_addr;
to->in_addr = addr->sin_addr;
#endif
rc = 3;
}
}
rc = 3;
}
#ifdef TOX_ENABLE_IPV6
else if (family == AF_INET6) {
if (walker->ai_addrlen == sizeof(struct sockaddr_in6)) {
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)walker->ai_addr;
to->ip6 = addr->sin6_addr;
rc = 3;
}
}
else if (!(rc & 1)) {
struct sockaddr_in *addr = (struct sockaddr_in *)walker->ai_addr;
to->ip4.in_addr = addr->sin_addr;
rc |= 1;
}
#endif
}
}
break; /* switch */
#ifdef TOX_ENABLE_IPV6
else {
if (walker->ai_family == AF_INET) {
if (walker->ai_addrlen == sizeof(struct sockaddr_in)) {
struct sockaddr_in *addr = (struct sockaddr_in *)walker->ai_addr;
ip4.in_addr = addr->sin_addr;
rc |= 1;
case AF_INET6:
if (walker->ai_family == family) {
if (walker->ai_addrlen == sizeof(struct sockaddr_in6)) {
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)walker->ai_addr;
to->ip6 = addr->sin6_addr;
rc = 3;
}
}
else if (walker->ai_family == AF_INET6) {
} else if (!(rc & 2)) {
if (walker->ai_addrlen == sizeof(struct sockaddr_in6)) {
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)walker->ai_addr;
ip6 = addr->sin6_addr;
rc |= 2;
}
}
}
break; /* switch */
#endif
walker = walker->ai_next;
}
}
#ifdef TOX_ENABLE_IPV6