#include "message.h"
extern InspIRCd* ServerInstance;
-extern ServerConfig* Config;
extern time_t TIME;
-/* Used when comparing CIDR masks for the modulus bits left over */
-
-char inverted_bits[8] = { 0x00, /* 00000000 - 0 bits */
- 0x80, /* 10000000 - 1 bits */
- 0xC0, /* 11000000 - 2 bits */
- 0xE0, /* 11100000 - 3 bits */
- 0xF0, /* 11110000 - 4 bits */
- 0xF8, /* 11111000 - 5 bits */
- 0xFC, /* 11111100 - 6 bits */
- 0xFE /* 11111110 - 7 bits */
+/* Used when comparing CIDR masks for the modulus bits left over.
+ * A lot of ircd's seem to do this:
+ * ((-1) << (8 - (mask % 8)))
+ * But imho, it sucks in comparison to a nice neat lookup table.
+ */
+const char inverted_bits[8] = { 0x00, /* 00000000 - 0 bits - never actually used */
+ 0x80, /* 10000000 - 1 bits */
+ 0xC0, /* 11000000 - 2 bits */
+ 0xE0, /* 11100000 - 3 bits */
+ 0xF0, /* 11110000 - 4 bits */
+ 0xF8, /* 11111000 - 5 bits */
+ 0xFC, /* 11111100 - 6 bits */
+ 0xFE /* 11111110 - 7 bits */
};
/* Match raw bytes using CIDR bit matching, used by higher level MatchCIDR() */
unsigned int modulus = mask_bits % 8; /* Number of whole bytes in the mask */
unsigned int divisor = mask_bits / 8; /* Remaining bits in the mask after whole bytes are dealt with */
- /* We shouldnt match anything, /0 is always valid */
- if (!mask_bits)
- return true;
-
/* First compare the whole bytes, if they dont match, return false */
if (memcmp(address, mask, divisor))
return false;
* of the @ symbol in each */
char* address_dupe = strdup(address);
char* cidr_dupe = strdup(cidr_mask);
-
- char* username_mask_pos = strchr(cidr_dupe, '@');
- char* username_addr_pos = strchr(address_dupe, '@');
+
+ /* Use strchr not strrchr, because its going to be nearer to the left */
+ char* username_mask_pos = strrchr(cidr_dupe, '@');
+ char* username_addr_pos = strrchr(address_dupe, '@');
/* Both strings have an @ symbol in them */
if (username_mask_pos && username_addr_pos)
in_addr mask_in4;
- char* bits_chars = strchr(mask,'/');
+ /* Use strrchr for this, its nearer to the right */
+ char* bits_chars = strrchr(mask,'/');
if (bits_chars)
{
return MatchCIDRBits(addr_raw, mask_raw, bits);
}
+inline void Blocking(int s)
+{
+ int flags = fcntl(s, F_GETFL, 0);
+ fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
+}
+
+inline void NonBlocking(int s)
+{
+ int flags = fcntl(s, F_GETFL, 0);
+ fcntl(s, F_SETFL, flags | O_NONBLOCK);
+}
+
+
/** This will bind a socket to a port. It works for UDP/TCP.
* It can only bind to IP addresses, if you wish to bind to hostnames
* you should first resolve them using class 'Resolver'.
else
{
log(DEBUG,"Bound port %s:%d",*addr ? addr : "*",port);
- if (listen(sockfd, Config->MaxConn) == -1)
+ if (listen(sockfd, ServerInstance->Config->MaxConn) == -1)
{
log(DEFAULT,"ERROR in listen(): %s",strerror(errno));
return false;
bool HasPort(int port, char* addr)
{
+ ServerConfig* Config = ServerInstance->Config;
for (unsigned long count = 0; count < ServerInstance->stats->BoundPortCount; count++)
{
if ((port == Config->ports[count]) && (!strcasecmp(Config->addrs[count],addr)))
insp_sockaddr client, server;
int clientportcount = 0;
int BoundPortCount = 0;
+ ServerConfig* Config = ServerInstance->Config;
if (!bail)
{
if ((Config->openSockfd[count] = OpenTCPSocket()) == ERROR)
{
log(DEBUG,"Bad fd %d binding port [%s:%d]",Config->openSockfd[count],Config->addrs[count],Config->ports[count]);
- return ERROR;
- }
- if (!BindSocket(Config->openSockfd[count],client,server,Config->ports[count],Config->addrs[count]))
- {
- log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
}
else
{
- /* Associate the new open port with a slot in the socket engine */
- if (Config->openSockfd[count] > -1)
+ if (!BindSocket(Config->openSockfd[count],client,server,Config->ports[count],Config->addrs[count]))
{
- ServerInstance->SE->AddFd(Config->openSockfd[count],true,X_LISTEN);
- BoundPortCount++;
+ log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
+ }
+ else
+ {
+ /* Associate the new open port with a slot in the socket engine */
+ if (Config->openSockfd[count] > -1)
+ {
+ if (!ServerInstance->SE->AddFd(Config->openSockfd[count],true,X_LISTEN))
+ {
+ log(DEFAULT,"ERK! Failed to add listening port to socket engine!");
+ shutdown(Config->openSockfd[count],2);
+ close(Config->openSockfd[count]);
+ }
+ else
+ BoundPortCount++;
+ }
}
}
}
if ((Config->openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR)
{
log(DEBUG,"Bad fd %d binding port [%s:%d]",Config->openSockfd[BoundPortCount],Config->addrs[count],Config->ports[count]);
- return ERROR;
- }
-
- if (!BindSocket(Config->openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]))
- {
- log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
}
else
{
- /* well we at least bound to one socket so we'll continue */
- BoundPortCount++;
+ if (!BindSocket(Config->openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]))
+ {
+ log(DEFAULT,"Failed to bind port [%s:%d]: %s",Config->addrs[count],Config->ports[count],strerror(errno));
+ }
+ else
+ {
+ /* well we at least bound to one socket so we'll continue */
+ BoundPortCount++;
+ }
}
}
-
- /* if we didn't bind to anything then abort */
- if (!BoundPortCount)
- {
- log(DEFAULT,"No ports bound, bailing!");
- printf("\nERROR: Could not bind any of %d ports! Please check your configuration.\n\n", PortCount);
- return ERROR;
- }
-
return BoundPortCount;
}