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-rw-r--r--src/command_parse.cpp325
-rw-r--r--src/userprocess.cpp69
2 files changed, 63 insertions, 331 deletions
diff --git a/src/command_parse.cpp b/src/command_parse.cpp
index 644860702..19729d9e4 100644
--- a/src/command_parse.cpp
+++ b/src/command_parse.cpp
@@ -345,245 +345,24 @@ bool CommandParser::CallHandler(const std::string &commandname,char **parameters
return false;
}
-int CommandParser::ProcessParameters(char **command_p,char *parameters)
+void CommandParser::ProcessCommand(userrec *user, std::string &cmd)
{
- int j = 0;
-
- if (!*parameters)
- {
- /* no parameters, command_p invalid! */
- return 0;
- }
-
- if (*parameters == ':')
- {
- command_p[0] = parameters+1;
- return 1;
- }
-
- if (*parameters)
- {
- char* n = strchr(parameters,' ');
- if ((!n) || (*parameters == ':'))
- {
- /* only one parameter */
- command_p[0] = parameters;
- if (*parameters == ':')
- {
- if (n)
- {
- command_p[0]++;
- }
- }
-
- return 1;
- }
- }
-
- command_p[j++] = parameters;
-
- for (char* i = parameters; *i; i++)
- {
- if (*i == ' ')
- {
- command_p[j++] = i+1;
- *i = '\0';
-
- if (*command_p[j-1] == ':')
- {
- *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 CommandParser::ProcessCommand(userrec *user, char* cmd)
-{
- char *parameters;
- char *command;
char *command_p[127];
- char p[MAXBUF], temp[MAXBUF];
- int j, items, cmd_found;
- int total_params = 0;
-
- for (int i = 0; i < 127; i++)
- command_p[i] = NULL;
-
- if (!user || !cmd || !*cmd)
- {
- return;
- }
-
- char* first_space = NULL;
-
- /* If the command is > 2 characters (quick and dirty way to find out) */
- if (*cmd && *(cmd+1) && *(cmd+2))
- {
- for (char* q = cmd; *q; q++)
- {
- if (*q == ' ')
- {
- first_space = q;
- if (*(q+1) == ':')
- {
- total_params++;
- // found a 'trailing', we dont count them after this.
- break;
- }
- else
- total_params++;
- }
- }
- }
-
- // another phidjit bug...
- if (total_params > 126)
- {
- *first_space = 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);
-
- char* has_space = strchr(cmd,' ');
- int cm_length = 0;
- if (!has_space)
- {
- /*
- * 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 (char* i = cmd; *i; i++,cm_length++)
- *i = toupper(*i);
- command = cmd;
- }
- else
- {
- *cmd = 0;
- j = 0;
+ int items = 0;
- /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
- for (char* i = temp; *i; i++)
- {
- if ((*i != 10) && (*i != 13) && (*i != 0) && (*i != 7))
- {
- cmd[j++] = *i;
- }
- }
- cmd[j] = 0;
-
- /* split the full string into a command plus parameters */
- parameters = p;
- p[0] = ' ';
- p[1] = 0;
-
- command = cmd;
-
- if (has_space)
- {
- for (char* i = cmd; *i; i++)
- {
- /* capitalise the command ONLY, leave params intact */
- *i = toupper(*i);
- /* are we nearly there yet?! :P */
- if (*i == ' ')
- {
- command = cmd;
- parameters = i+1;
- *i = 0;
- break;
- }
- }
- }
- else
- {
- for (char* i = cmd; *i; i++,cm_length++)
- {
- *i = toupper(*i);
- }
- }
- }
-
- if (cm_length > MAXCOMMAND)
- {
- WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
- return;
- }
-
- for (char* x = command; *x; x++)
- {
- if (((*x < 'A') || (*x > 'Z')) && (*x != '.'))
- {
- if (((*x < '0') || (*x> '9')) && (*x != '-'))
- {
- if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",*x))
- {
- ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- return;
- }
- }
- }
- }
-
- std::string xcommand = command;
- if ((user->registered != 7) && (xcommand == "SERVER"))
- {
- kill_link(user,"Server connection to non-server port");
- return;
- }
-
- /* Tweak by brain - why was this INSIDE the mainloop? */
- if (parameters)
- {
- if (parameters[0])
- {
- items = this->ProcessParameters(command_p,parameters);
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
+ std::string para[127];
+ irc::tokenstream tokens(cmd);
+ std::string xcommand = tokens.GetToken();
+ while ((para[items] = tokens.GetToken()) != "")
+ command_p[items] = (char*)para[items++].c_str();
+
int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false));
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(xcommand,command_p,items,user,false));
if (MOD_RESULT == 1) {
return;
}
-
+
nspace::hash_map<std::string,command_t*>::iterator cm = cmdlist.find(xcommand);
if (cm != cmdlist.end())
@@ -592,29 +371,25 @@ void CommandParser::ProcessCommand(userrec *user, char* cmd)
{
/* activity resets the ping pending timer */
user->nping = TIME + user->pingmax;
- if ((items) < cm->second->min_params)
+ if (items < cm->second->min_params)
{
- log(DEBUG,"not enough parameters: %s %s",user->nick,command);
- WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
+ log(DEBUG,"not enough parameters: %s %s",user->nick,xcommand.c_str());
+ WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,xcommand.c_str());
return;
}
if (cm->second->flags_needed)
{
- if (!user->modes[cm->second->flags_needed-65])
+ if (!user->IsModeSet(cm->second->flags_needed))
{
- log(DEBUG,"permission denied: %s %s",user->nick,command);
+ log(DEBUG,"permission denied: %s %s",user->nick,xcommand.c_str());
WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
- cmd_found = 1;
return;
}
}
if ((cm->second->flags_needed) && (!user->HasPermission(xcommand)))
{
- log(DEBUG,"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);
- if (!IS_LOCAL(user))
- WriteOpers("*** \2WARNING\2: Command '%s' not allowed for oper '%s', dropped.",command,user->nick);
- cmd_found = 1;
+ log(DEBUG,"permission denied: %s %s",user->nick,xcommand.c_str());
+ WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,xcommand.c_str());
return;
}
/* if the command isnt USER, PASS, or NICK, and nick is empty,
@@ -623,21 +398,24 @@ void CommandParser::ProcessCommand(userrec *user, char* cmd)
{
if ((!isnick(user->nick)) || (user->registered != 7))
{
- log(DEBUG,"not registered: %s %s",user->nick,command);
- WriteServ(user->fd,"451 %s :You have not registered",command);
+ log(DEBUG,"not registered: %s %s",user->nick,xcommand.c_str());
+ WriteServ(user->fd,"451 %s :You have not registered",xcommand.c_str());
return;
}
}
if ((user->registered == 7) && (!*user->oper) && (*Config->DisabledCommands))
{
+ /* XXX: We should have a disabled setting in the command object, and on rehash set the disabled flag
+ * in the ones which are disabled, rather than this craq
+ */
std::stringstream dcmds(Config->DisabledCommands);
std::string thiscmd;
while (dcmds >> thiscmd)
{
- if (!strcasecmp(thiscmd.c_str(),command))
+ if (!strcasecmp(thiscmd.c_str(),xcommand.c_str()))
{
// command is disabled!
- WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
+ WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,xcommand.c_str());
return;
}
}
@@ -645,18 +423,13 @@ void CommandParser::ProcessCommand(userrec *user, char* cmd)
if ((user->registered == 7) || (cm->second == command_user) || (cm->second == command_nick) || (cm->second == command_pass))
{
/* ikky /stats counters */
- if (temp)
- {
- cm->second->use_count++;
- cm->second->total_bytes+=strlen(temp);
- }
+ cm->second->use_count++;
+ cm->second->total_bytes += cmd.length();
int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true));
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(xcommand,command_p,items,user,true));
if (MOD_RESULT == 1)
- {
return;
- }
/*
* WARNING: nothing may come after the
@@ -669,7 +442,7 @@ void CommandParser::ProcessCommand(userrec *user, char* cmd)
}
else
{
- WriteServ(user->fd,"451 %s :You have not registered",command);
+ WriteServ(user->fd,"451 %s :You have not registered",xcommand.c_str());
return;
}
}
@@ -677,7 +450,7 @@ void CommandParser::ProcessCommand(userrec *user, char* cmd)
else if (user)
{
ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
+ WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,xcommand.c_str());
}
}
@@ -705,43 +478,21 @@ bool CommandParser::RemoveCommands(const char* source)
return true;
}
-void CommandParser::ProcessBuffer(const char* cmdbuf,userrec *user)
+void CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
{
- char cmd[MAXBUF];
+ std::string::size_type a;
- if (!user || !cmdbuf || !*cmdbuf)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
+ if (!user)
return;
- }
-
- while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
- if (!*cmdbuf)
- return;
-
- strlcpy(cmd,cmdbuf,MAXBUF);
+ while ((a = buffer.find("\n")) != std::string::npos)
+ buffer.erase(a);
+ while ((a = buffer.find("\r")) != std::string::npos)
+ buffer.erase(a);
- while (charremove(cmd,10));
- while (charremove(cmd,13));
+ log(DEBUG,"CMDIN: %s %s",user->nick,buffer.c_str());
- int sl = strlen(cmd)-1;
- while (sl && (cmd[sl] == ' ')) // strip trailing spaces
- {
- cmd[sl--] = 0;
- }
-
- if (!sl)
- return;
-
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
-
- tidystring(cmd);
-
- if (user && cmd)
- {
- this->ProcessCommand(user,cmd);
- }
+ this->ProcessCommand(user,buffer);
}
bool CommandParser::CreateCommand(command_t *f)
diff --git a/src/userprocess.cpp b/src/userprocess.cpp
index 391c15d7a..b185bc4b5 100644
--- a/src/userprocess.cpp
+++ b/src/userprocess.cpp
@@ -119,30 +119,19 @@ void ProcessUser(userrec* cu)
{
userrec *current;
int currfd;
- int floodlines;
+ int floodlines = 0;
ServerInstance->stats->statsRecv += result;
/*
* perform a check on the raw buffer as an array (not a string!) to remove
- * characters 0 and 7 which are illegal in the RFC - replace them with spaces.
- * hopefully this should stop even more people whining about "Unknown command: *"
- */
-
- /*
- * XXX - potential replacement for the below using my beloved pointers. --w00t
+ * character 0 which is illegal in the RFC - replace them with spaces.
* XXX - no garauntee there's not \0's in the middle of the data,
* and no reason for it to be terminated either. -- Om
- *
- * for (char *c = data; data && *data; data++)
- * {
- * if (*data == 0 || *data == 7)
- * data = ' ';
- * }
*/
for (int checker = 0; checker < result; checker++)
{
- if ((data[checker] == 0) || (data[checker] == 7))
+ if (data[checker] == 0)
data[checker] = ' ';
}
@@ -151,7 +140,6 @@ void ProcessUser(userrec* cu)
current = cu;
currfd = current->fd;
- floodlines = 0;
// add the data to the users buffer
if (result > 0)
@@ -214,18 +202,13 @@ void ProcessUser(userrec* cu)
// while there are complete lines to process...
while (current->BufferIsReady())
{
- char sanitized[MAXBUF];
-
- floodlines++;
if (TIME > current->reset_due)
{
current->reset_due = TIME + current->threshold;
current->lines_in = 0;
}
- current->lines_in++;
-
- if (current->lines_in > current->flood)
+ if (++current->lines_in > current->flood)
{
log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
@@ -233,7 +216,7 @@ void ProcessUser(userrec* cu)
return;
}
- if ((floodlines > current->flood) && (current->flood != 0))
+ if ((++floodlines > current->flood) && (current->flood != 0))
{
if (current->registered == 7)
{
@@ -254,29 +237,27 @@ void ProcessUser(userrec* cu)
std::string single_line = current->GetBuffer();
current->bytes_in += single_line.length();
current->cmds_in++;
- strlcpy(sanitized,single_line.c_str(),511);
-
- if (*sanitized)
+ if (single_line.length() > 512)
+ single_line.resize(512);
+
+ userrec* old_comp = fd_ref_table[currfd];
+
+ ServerInstance->Parser->ProcessBuffer(single_line,current);
+ /*
+ * look for the user's record in case it's changed... if theyve quit,
+ * we cant do anything more with their buffer, so bail.
+ * there used to be an ugly, slow loop here. Now we have a reference
+ * table, life is much easier (and FASTER)
+ */
+ userrec* new_comp = fd_ref_table[currfd];
+ if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
{
- userrec* old_comp = fd_ref_table[currfd];
-
- ServerInstance->Parser->ProcessBuffer(sanitized,current);
- /*
- * look for the user's record in case it's changed... if theyve quit,
- * we cant do anything more with their buffer, so bail.
- * there used to be an ugly, slow loop here. Now we have a reference
- * table, life is much easier (and FASTER)
- */
- userrec* new_comp = fd_ref_table[currfd];
- if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
- {
- return;
- }
- else
- {
- /* The user is still here, flush their buffer */
- current->FlushWriteBuf();
- }
+ return;
+ }
+ else
+ {
+ /* The user is still here, flush their buffer */
+ current->FlushWriteBuf();
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 20:17:19 +0000