* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2003 ChatSpike-Dev.
+ * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
* ---------------------------------------------------
*/
-#ifdef __linux__
-#include <sys/resource.h>
-#endif
+using namespace std;
+#include <sys/time.h>
+#include <sys/resource.h>
#include <sys/types.h>
#include <string>
#include <unistd.h>
#include "inspircd.h"
#include "inspircd_io.h"
#include "inspircd_util.h"
-
-using namespace std;
+#include "inspstring.h"
+#include "helperfuncs.h"
extern FILE *log_file;
+extern int boundPortCount;
+extern int openSockfd[MAXSOCKS];
+extern time_t TIME;
+extern bool unlimitcore;
void WriteOpers(char* text, ...);
void Exit (int status)
{
- if (log_file)
- fclose(log_file);
- send_error("Server shutdown.");
- exit (status);
+ if (log_file)
+ fclose(log_file);
+ send_error("Server shutdown.");
+ exit (status);
}
void Killed(int status)
{
- if (log_file)
- fclose(log_file);
- send_error("Server terminated.");
- exit(status);
+ if (log_file)
+ fclose(log_file);
+ send_error("Server terminated.");
+ exit(status);
}
void Rehash(int status)
{
- ReadConfig();
- WriteOpers("Rehashing config file %s due to SIGHUP",CONFIG_FILE);
+ WriteOpers("Rehashing config file %s due to SIGHUP",CONFIG_FILE);
+ ReadConfig(false,NULL);
}
void Start (void)
{
- printf("\033[1;37mInspire Internet Relay Chat Server, compiled " __DATE__ " at " __TIME__ "\n");
- printf("(C) ChatSpike Development team.\033[0;37m\n\n");
- printf("\033[1;37mDevelopers:\033[0;37m Brain, FrostyCoolSlug, RD\n");
- printf("\033[1;37mDocumentation:\033[0;37m FrostyCoolSlug, w00t\n");
- printf("\033[1;37mTesters:\033[0;37m typobox43, piggles, Lord_Zathras, CC\n");
- printf("\033[1;37mName concept:\033[0;37m Lord_Zathras\n\n");
+ printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
+ printf("(C) ChatSpike Development team.\033[0m\n\n");
+ printf("Developers:\033[1;32m Brain, FrostyCoolSlug\033[0m\n");
+ printf("Documentation:\033[1;32m FrostyCoolSlug, w00t\033[0m\n");
+ printf("Testers:\033[1;32m typobox43, piggles, Lord_Zathras, CC\033[0m\n");
+ printf("Name concept:\033[1;32m Lord_Zathras\033[0m\n\n");
}
-
-void DeadPipe(int status)
+void WritePID(std::string filename)
{
- signal (SIGPIPE, DeadPipe);
+ ofstream outfile(filename.c_str());
+ if (outfile.is_open())
+ {
+ outfile << getpid();
+ outfile.close();
+ }
+ else
+ {
+ printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
+ log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
+ Exit(0);
+ }
}
+
int DaemonSeed (void)
{
- int childpid;
- signal (SIGALRM, SIG_IGN);
- signal (SIGHUP, Rehash);
- signal (SIGPIPE, DeadPipe);
- signal (SIGTERM, Exit);
- signal (SIGABRT, Exit);
- signal (SIGSEGV, Error);
- signal (SIGURG, Exit);
- signal (SIGKILL, Exit);
- if ((childpid = fork ()) < 0)
- return (ERROR);
- else if (childpid > 0)
- exit (0);
- setsid ();
- umask (077);
- /* close stdout, stdin, stderr */
- close(0);
- close(1);
- close(2);
-
- #ifdef __linux__
- setpriority(PRIO_PROCESS,(int)getpid(),15); /* ircd sets to low process priority so it doesnt hog the box */
- #endif
+ int childpid;
+ signal (SIGALRM, SIG_IGN);
+ signal (SIGHUP, Rehash);
+ signal (SIGPIPE, SIG_IGN);
+ signal (SIGTERM, Exit);
+ signal (SIGSEGV, Error);
+ if ((childpid = fork ()) < 0)
+ return (ERROR);
+ else if (childpid > 0)
+ exit (0);
+ setsid ();
+ umask (007);
+ printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
+ freopen("/dev/null","w",stdout);
+ freopen("/dev/null","w",stderr);
+
+ setpriority(PRIO_PROCESS,(int)getpid(),15);
+
+ if (unlimitcore)
+ {
+ rlimit rl;
+ if (getrlimit(RLIMIT_CORE, &rl) == -1)
+ {
+ log(DEFAULT,"Failed to getrlimit()!");
+ return(FALSE);
+ }
+ else
+ {
+ rl.rlim_cur = rl.rlim_max;
+ if (setrlimit(RLIMIT_CORE, &rl) == -1)
+ log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
+ }
+ }
- return (TRUE);
+ return (TRUE);
}
bool FileExists (const char* file)
{
- FILE *input;
-
- if ((input = fopen (file, "r")) == NULL) { return(false); }
- else { fclose (input); return(true); }
+ FILE *input;
+ if ((input = fopen (file, "r")) == NULL)
+ {
+ return(false);
+ }
+ else
+ {
+ fclose (input);
+ return(true);
+ }
}
+/* ConfProcess does the following things to a config line in the following order:
+ *
+ * Processes the line for syntax errors as shown below
+ * (1) Line void of quotes or equals (a malformed, illegal tag format)
+ * (2) Odd number of quotes on the line indicating a missing quote
+ * (3) number of equals signs not equal to number of quotes / 2 (missing an equals sign)
+ * (4) Spaces between the opening bracket (<) and the keyword
+ * (5) Spaces between a keyword and an equals sign
+ * (6) Spaces between an equals sign and a quote
+ * Removes trailing spaces
+ * Removes leading spaces
+ * Converts tabs to spaces
+ * Turns multiple spaces that are outside of quotes into single spaces
+ */
-bool LoadConf(const char* filename, std::stringstream *target)
+std::string ConfProcess(char* buffer, long linenumber, std::stringstream* errorstream, bool &error, std::string filename)
{
- FILE* conf = fopen(filename,"r");
+ long number_of_quotes = 0;
+ long number_of_equals = 0;
+ bool has_open_bracket = false;
+ bool in_quotes = false;
+ error = false;
+ if (!buffer)
+ {
+ return "";
+ }
+ // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces
+ for (int d = 0; d < strlen(buffer); d++)
+ if ((buffer[d]) == 9)
+ buffer[d] = ' ';
+ while ((buffer[0] == ' ') && (strlen(buffer)>0)) buffer++;
+ while ((buffer[strlen(buffer)-1] == ' ') && (strlen(buffer)>0)) buffer[strlen(buffer)-1] = '\0';
+ // empty lines are syntactically valid
+ if (!strcmp(buffer,""))
+ return "";
+ else if (buffer[0] == '#')
+ return "";
+ for (int c = 0; c < strlen(buffer); c++)
+ {
+ // convert all spaces that are OUTSIDE quotes into hardspace (0xA0) as this will make them easier to
+ // search and replace later :)
+ if ((!in_quotes) && (buffer[c] == ' '))
+ buffer[c] = '\xA0';
+ if ((buffer[c] == '<') && (!in_quotes))
+ {
+ has_open_bracket = true;
+ if (strlen(buffer) == 1)
+ {
+ *errorstream << "Tag without identifier at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ else if ((tolower(buffer[c+1]) < 'a') || (tolower(buffer[c+1]) > 'z'))
+ {
+ *errorstream << "Invalid characters in identifier at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ }
+ if (buffer[c] == '"')
+ {
+ number_of_quotes++;
+ in_quotes = (!in_quotes);
+ }
+ if ((buffer[c] == '=') && (!in_quotes))
+ {
+ number_of_equals++;
+ if (strlen(buffer) == c)
+ {
+ *errorstream << "Variable without a value at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ else if (buffer[c+1] != '"')
+ {
+ *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ else if (!c)
+ {
+ *errorstream << "Value without a variable (line starts with '=') at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ else if (buffer[c-1] == '\xA0')
+ {
+ *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ }
+ }
+ // no quotes, and no equals. something freaky.
+ if ((!number_of_quotes) || (!number_of_equals) && (strlen(buffer)>2) && (buffer[0]=='<'))
+ {
+ *errorstream << "Malformed tag at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ // odd number of quotes. thats just wrong.
+ if ((number_of_quotes % 2) != 0)
+ {
+ *errorstream << "Missing \" at " << filename << ":" << linenumber << endl;
+ error = true;
+ return "";
+ }
+ if (number_of_equals < (number_of_quotes/2))
+ {
+ *errorstream << "Missing '=' at " << filename << ":" << linenumber << endl;
+ }
+ if (number_of_equals > (number_of_quotes/2))
+ {
+ *errorstream << "Too many '=' at " << filename << ":" << linenumber << endl;
+ }
+
+ std::string parsedata = buffer;
+ // turn multispace into single space
+ while (parsedata.find("\xA0\xA0") != std::string::npos)
+ {
+ parsedata.erase(parsedata.find("\xA0\xA0"),1);
+ }
+
+ // turn our hardspace back into softspace
+ for (int d = 0; d < parsedata.length(); d++)
+ {
+ if (parsedata[d] == '\xA0')
+ parsedata[d] = ' ';
+ }
+
+ // and we're done, the line is fine!
+ return parsedata;
+}
+
+bool LoadConf(const char* filename, std::stringstream *target, std::stringstream* errorstream)
+{
+ target->str("");
+ errorstream->str("");
+ long linenumber = 1;
+ // first, check that the file exists before we try to do anything with it
if (!FileExists(filename))
{
+ *errorstream << "File " << filename << " not found." << endl;
return false;
}
+ // Fix the chmod of the file to restrict it to the current user and group
+ chmod(filename,0600);
+ // now open it
+ FILE* conf = fopen(filename,"r");
char buffer[MAXBUF];
if (conf)
{
- target->clear();
while (!feof(conf))
{
if (fgets(buffer, MAXBUF, conf))
{
if ((!feof(conf)) && (buffer) && (strlen(buffer)))
{
- if (buffer[0] != '#')
+ if ((buffer[0] != '#') && (buffer[0] != '\r') && (buffer[0] != '\n'))
{
- *target << std::string(buffer);
+ bool error = false;
+ std::string data = ConfProcess(buffer,linenumber++,errorstream,error,filename);
+ if (error)
+ {
+ return false;
+ }
+ *target << data;
}
+ else linenumber++;
}
}
}
{
int ptr = 0;
char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
- int in_token, in_quotes, tptr, j, idx = 0;
- char* key;
+ int in_token, in_quotes, tptr, idx = 0;
const char* buf = config->str().c_str();
long bptr = 0;
{
int ptr = 0;
char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
- int in_token, in_quotes, tptr, j, idx = 0;
- char* key;
+ int in_token, in_quotes, tptr, idx = 0;
bool correct_tag = false;
int num_items = 0;
const char* buf = config->str().c_str();
long bptr = 0;
- long len = strlen(buf);
+ long len = config->str().length();
ptr = 0;
in_token = 0;
key[j] = '\0';
}
}
- strcpy(result,key);
+ strlcpy(result,key,MAXBUF);
return 1;
}
}
-/* This will bind a socket to a port. It works for UDP/TCP */
+// This will bind a socket to a port. It works for UDP/TCP
int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
{
- bzero((char *)&server,sizeof(server));
- struct in_addr addy;
- inet_aton(addr,&addy);
-
- server.sin_family = AF_INET;
- if (!strcmp(addr,""))
- {
- server.sin_addr.s_addr = htonl(INADDR_ANY);
- }
- else
- {
- server.sin_addr = addy;
- }
-
- server.sin_port = htons(port);
-
- if (bind(sockfd,(struct sockaddr*)&server,sizeof(server))<0)
- {
- return(ERROR);
- }
- else
- {
- listen(sockfd,5);
- return(TRUE);
- }
+ bzero((char *)&server,sizeof(server));
+ struct in_addr addy;
+ inet_aton(addr,&addy);
+ server.sin_family = AF_INET;
+ if (!strcmp(addr,""))
+ {
+ server.sin_addr.s_addr = htonl(INADDR_ANY);
+ }
+ else
+ {
+ server.sin_addr = addy;
+ }
+ server.sin_port = htons(port);
+ if (bind(sockfd,(struct sockaddr*)&server,sizeof(server))<0)
+ {
+ return(ERROR);
+ }
+ else
+ {
+ listen(sockfd,32);
+ return(TRUE);
+ }
}
-/* Open a TCP Socket */
+// Open a TCP Socket
int OpenTCPSocket (void)
{
- int sockfd;
- int on = 0;
- struct linger linger = { 0 };
+ int sockfd;
+ int on = 1;
+ struct linger linger = { 0 };
- if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
- return (ERROR);
- else
- {
- setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
- /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
- linger.l_onoff = 1;
- linger.l_linger = 0;
- setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
- return (sockfd);
- }
+ if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
+ return (ERROR);
+ else
+ {
+ setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
+ /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
+ linger.l_onoff = 1;
+ linger.l_linger = 1;
+ setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
+ return (sockfd);
+ }
}