diff options
author | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2005-12-16 09:56:33 +0000 |
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committer | brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7> | 2005-12-16 09:56:33 +0000 |
commit | 898e8da56573c70524a926c1df5dbab7ffcca6a5 (patch) | |
tree | c39386855aacfb719554af7cb3afe0d3c62e59b4 /src/inspircd.cpp | |
parent | 7cf8d9c1c8ba68419d282e715b7fc3575987a6f2 (diff) |
Moved command parsing crap into command_parse.cpp
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@2505 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/inspircd.cpp')
-rw-r--r-- | src/inspircd.cpp | 661 |
1 files changed, 1 insertions, 660 deletions
diff --git a/src/inspircd.cpp b/src/inspircd.cpp index e532add12..050f5190f 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -60,6 +60,7 @@ using namespace std; #include "socket.h" #include "dns.h" #include "typedefs.h" +#include "command_parse.h" InspIRCd* ServerInstance; @@ -139,169 +140,6 @@ std::string InspIRCd::GetRevision() } -/* This function pokes and hacks at a parameter list like the following: - * - * PART #winbot,#darkgalaxy :m00! - * - * to turn it into a series of individual calls like this: - * - * PART #winbot :m00! - * PART #darkgalaxy :m00! - * - * The seperate calls are sent to a callback function provided by the caller - * (the caller will usually call itself recursively). The callback function - * must be a command handler. Calling this function on a line with no list causes - * no action to be taken. You must provide a starting and ending parameter number - * where the range of the list can be found, useful if you have a terminating - * parameter as above which is actually not part of the list, or parameters - * before the actual list as well. This code is used by many functions which - * can function as "one to list" (see the RFC) */ - -int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins) -{ - char plist[MAXBUF]; - char *param; - char *pars[32]; - char blog[32][MAXBUF]; - char blog2[32][MAXBUF]; - int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0; - char keystr[MAXBUF]; - char moo[MAXBUF]; - - for (int i = 0; i <32; i++) - strcpy(blog[i],""); - - for (int i = 0; i <32; i++) - strcpy(blog2[i],""); - - strcpy(moo,""); - for (int i = 0; i <10; i++) - { - if (!parameters[i]) - { - parameters[i] = moo; - } - } - if (joins) - { - if (pcnt > 1) /* we have a key to copy */ - { - strlcpy(keystr,parameters[1],MAXBUF); - } - } - - if (!parameters[start]) - { - return 0; - } - if (!strchr(parameters[start],',')) - { - return 0; - } - strcpy(plist,""); - for (int i = start; i <= end; i++) - { - if (parameters[i]) - { - strlcat(plist,parameters[i],MAXBUF); - } - } - - j = 0; - param = plist; - - t = strlen(plist); - for (int i = 0; i < t; i++) - { - if (plist[i] == ',') - { - plist[i] = '\0'; - strlcpy(blog[j++],param,MAXBUF); - param = plist+i+1; - if (j>20) - { - WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]); - return 1; - } - } - } - strlcpy(blog[j++],param,MAXBUF); - total = j; - - if ((joins) && (keystr) && (total>0)) // more than one channel and is joining - { - strcat(keystr,","); - } - - if ((joins) && (keystr)) - { - if (strchr(keystr,',')) - { - j = 0; - param = keystr; - t2 = strlen(keystr); - for (int i = 0; i < t2; i++) - { - if (keystr[i] == ',') - { - keystr[i] = '\0'; - strlcpy(blog2[j++],param,MAXBUF); - param = keystr+i+1; - } - } - strlcpy(blog2[j++],param,MAXBUF); - total2 = j; - } - } - - for (j = 0; j < total; j++) - { - if (blog[j]) - { - pars[0] = blog[j]; - } - for (q = end; q < pcnt-1; q++) - { - if (parameters[q+1]) - { - pars[q-end+1] = parameters[q+1]; - } - } - if ((joins) && (parameters[1])) - { - if (pcnt > 1) - { - pars[1] = blog2[j]; - } - else - { - pars[1] = NULL; - } - } - /* repeatedly call the function with the hacked parameter list */ - if ((joins) && (pcnt > 1)) - { - if (pars[1]) - { - // pars[1] already set up and containing key from blog2[j] - fn(pars,2,u); - } - else - { - pars[1] = parameters[1]; - fn(pars,2,u); - } - } - else - { - fn(pars,pcnt-(end-start),u); - } - } - - return 1; -} - - InspIRCd::InspIRCd(int argc, char** argv) { @@ -378,52 +216,6 @@ InspIRCd::InspIRCd(int argc, char** argv) return; } -#ifdef THREADED_DNS -void* dns_task(void* arg) -{ - userrec* u = (userrec*)arg; - log(DEBUG,"DNS thread for user %s",u->nick); - DNS dns1; - DNS dns2; - std::string host; - std::string ip; - if (dns1.ReverseLookup(u->ip)) - { - log(DEBUG,"DNS Step 1"); - while (!dns1.HasResult()) - { - usleep(100); - } - host = dns1.GetResult(); - if (host != "") - { - log(DEBUG,"DNS Step 2: '%s'",host.c_str()); - if (dns2.ForwardLookup(host)) - { - while (!dns2.HasResult()) - { - usleep(100); - } - ip = dns2.GetResultIP(); - log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip)); - if (ip == std::string(u->ip)) - { - log(DEBUG,"DNS Step 4"); - if (host.length() < 160) - { - log(DEBUG,"DNS Step 5"); - strcpy(u->host,host.c_str()); - strcpy(u->dhost,host.c_str()); - } - } - } - } - } - u->dns_done = true; - return NULL; -} -#endif - std::string InspIRCd::GetVersionString() { char versiondata[MAXBUF]; @@ -436,457 +228,6 @@ std::string InspIRCd::GetVersionString() return versiondata; } - -bool is_valid_cmd(std::string &commandname, int pcnt, userrec * user) -{ - for (unsigned int i = 0; i < cmdlist.size(); i++) - { - if (!strcasecmp(cmdlist[i].command,commandname.c_str())) - { - if (cmdlist[i].handler_function) - { - if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>"))) - { - if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed)) - { - if (cmdlist[i].flags_needed) - { - if ((user->HasPermission(commandname)) || (is_uline(user->server))) - { - return true; - } - else - { - return false; - } - } - return true; - } - } - } - } - } - return false; -} - -// calls a handler function for a command - -void call_handler(std::string &commandname,char **parameters, int pcnt, userrec *user) -{ - for (unsigned int i = 0; i < cmdlist.size(); i++) - { - if (!strcasecmp(cmdlist[i].command,commandname.c_str())) - { - if (cmdlist[i].handler_function) - { - if (pcnt>=cmdlist[i].min_params) - { - if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed)) - { - if (cmdlist[i].flags_needed) - { - if ((user->HasPermission(commandname)) || (is_uline(user->server))) - { - cmdlist[i].handler_function(parameters,pcnt,user); - } - } - else - { - cmdlist[i].handler_function(parameters,pcnt,user); - } - } - } - } - } - } -} - -int process_parameters(char **command_p,char *parameters) -{ - int j = 0; - int q = strlen(parameters); - if (!q) - { - /* no parameters, command_p invalid! */ - return 0; - } - if (parameters[0] == ':') - { - command_p[0] = parameters+1; - return 1; - } - if (q) - { - if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':')) - { - /* only one parameter */ - command_p[0] = parameters; - if (parameters[0] == ':') - { - if (strchr(parameters,' ') != NULL) - { - command_p[0]++; - } - } - return 1; - } - } - command_p[j++] = parameters; - for (int i = 0; i <= q; i++) - { - if (parameters[i] == ' ') - { - command_p[j++] = parameters+i+1; - parameters[i] = '\0'; - if (command_p[j-1][0] == ':') - { - *command_p[j-1]++; /* remove dodgy ":" */ - break; - /* parameter like this marks end of the sequence */ - } - } - } - return j; /* returns total number of items in the list */ -} - -void process_command(userrec *user, char* cmd) -{ - char *parameters; - char *command; - char *command_p[127]; - char p[MAXBUF], temp[MAXBUF]; - int j, items, cmd_found; - - for (int i = 0; i < 127; i++) - command_p[i] = NULL; - - if (!user) - { - return; - } - if (!cmd) - { - return; - } - if (!cmd[0]) - { - return; - } - - int total_params = 0; - if (strlen(cmd)>2) - { - for (unsigned int q = 0; q < strlen(cmd)-1; q++) - { - if ((cmd[q] == ' ') && (cmd[q+1] == ':')) - { - total_params++; - // found a 'trailing', we dont count them after this. - break; - } - if (cmd[q] == ' ') - total_params++; - } - } - - // another phidjit bug... - if (total_params > 126) - { - *(strchr(cmd,' ')) = '\0'; - WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd); - return; - } - - strlcpy(temp,cmd,MAXBUF); - - std::string tmp = cmd; - for (int i = 0; i <= MODCOUNT; i++) - { - std::string oldtmp = tmp; - modules[i]->OnServerRaw(tmp,true,user); - if (oldtmp != tmp) - { - log(DEBUG,"A Module changed the input string!"); - log(DEBUG,"New string: %s",tmp.c_str()); - log(DEBUG,"Old string: %s",oldtmp.c_str()); - break; - } - } - strlcpy(cmd,tmp.c_str(),MAXBUF); - strlcpy(temp,cmd,MAXBUF); - - if (!strchr(cmd,' ')) - { - /* no parameters, lets skip the formalities and not chop up - * the string */ - log(DEBUG,"About to preprocess command with no params"); - items = 0; - command_p[0] = NULL; - parameters = NULL; - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - cmd[i] = toupper(cmd[i]); - } - command = cmd; - } - else - { - strcpy(cmd,""); - j = 0; - /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */ - for (unsigned int i = 0; i < strlen(temp); i++) - { - if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7)) - { - cmd[j++] = temp[i]; - cmd[j] = 0; - } - } - /* split the full string into a command plus parameters */ - parameters = p; - strcpy(p," "); - command = cmd; - if (strchr(cmd,' ')) - { - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - /* capitalise the command ONLY, leave params intact */ - cmd[i] = toupper(cmd[i]); - /* are we nearly there yet?! :P */ - if (cmd[i] == ' ') - { - command = cmd; - parameters = cmd+i+1; - cmd[i] = '\0'; - break; - } - } - } - else - { - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - cmd[i] = toupper(cmd[i]); - } - } - - } - cmd_found = 0; - - if (strlen(command)>MAXCOMMAND) - { - WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command); - return; - } - - for (unsigned int x = 0; x < strlen(command); x++) - { - if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.')) - { - if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-')) - { - if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x])) - { - stats->statsUnknown++; - WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command); - return; - } - } - } - } - - std::string xcommand = command; - for (unsigned int i = 0; i != cmdlist.size(); i++) - { - if (cmdlist[i].command[0]) - { - if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND)) - { - if (parameters) - { - if (parameters[0]) - { - items = process_parameters(command_p,parameters); - } - else - { - items = 0; - command_p[0] = NULL; - } - } - else - { - items = 0; - command_p[0] = NULL; - } - - if (user) - { - /* activity resets the ping pending timer */ - user->nping = TIME + user->pingmax; - if ((items) < cmdlist[i].min_params) - { - log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command); - WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command); - return; - } - if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed)) - { - log(DEBUG,"process_command: permission denied: %s %s",user->nick,command); - WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick); - cmd_found = 1; - return; - } - if ((cmdlist[i].flags_needed) && (!user->HasPermission(xcommand))) - { - log(DEBUG,"process_command: permission denied: %s %s",user->nick,command); - WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command); - cmd_found = 1; - return; - } - /* if the command isnt USER, PASS, or NICK, and nick is empty, - * deny command! */ - if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4))) - { - if ((!isnick(user->nick)) || (user->registered != 7)) - { - log(DEBUG,"process_command: not registered: %s %s",user->nick,command); - WriteServ(user->fd,"451 %s :You have not registered",command); - return; - } - } - if ((user->registered == 7) && (!strchr(user->modes,'o'))) - { - std::stringstream dcmds(Config->DisabledCommands); - while (!dcmds.eof()) - { - std::string thiscmd; - dcmds >> thiscmd; - if (!strcasecmp(thiscmd.c_str(),command)) - { - // command is disabled! - WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command); - return; - } - } - } - if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4))) - { - if (cmdlist[i].handler_function) - { - - /* ikky /stats counters */ - if (temp) - { - cmdlist[i].use_count++; - cmdlist[i].total_bytes+=strlen(temp); - } - - int MOD_RESULT = 0; - FOREACH_RESULT(OnPreCommand(command,command_p,items,user)); - if (MOD_RESULT == 1) { - return; - } - - /* WARNING: nothing may come after the - * command handler call, as the handler - * may free the user structure! */ - - cmdlist[i].handler_function(command_p,items,user); - } - return; - } - else - { - WriteServ(user->fd,"451 %s :You have not registered",command); - return; - } - } - cmd_found = 1; - } - } - } - if ((!cmd_found) && (user)) - { - stats->statsUnknown++; - WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command); - } -} - -bool removecommands(const char* source) -{ - bool go_again = true; - while (go_again) - { - go_again = false; - for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++) - { - if (!strcmp(i->source,source)) - { - log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command); - cmdlist.erase(i); - go_again = true; - break; - } - } - } - return true; -} - - -void process_buffer(const char* cmdbuf,userrec *user) -{ - if (!user) - { - log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter"); - return; - } - char cmd[MAXBUF]; - if (!cmdbuf) - { - log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter"); - return; - } - if (!cmdbuf[0]) - { - return; - } - while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces - - strlcpy(cmd,cmdbuf,MAXBUF); - if (!cmd[0]) - { - return; - } - int sl = strlen(cmd)-1; - if ((cmd[sl] == 13) || (cmd[sl] == 10)) - { - cmd[sl] = '\0'; - } - sl = strlen(cmd)-1; - if ((cmd[sl] == 13) || (cmd[sl] == 10)) - { - cmd[sl] = '\0'; - } - sl = strlen(cmd)-1; - while (cmd[sl] == ' ') // strip trailing spaces - { - cmd[sl] = '\0'; - sl = strlen(cmd)-1; - } - - if (!cmd[0]) - { - return; - } - log(DEBUG,"CMDIN: %s %s",user->nick,cmd); - tidystring(cmd); - if ((user) && (cmd)) - { - process_command(user,cmd); - } -} - char* InspIRCd::ModuleError() { return MODERR; |