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/*
* Copyright (C) 1996 Darkbot Project.
* This program is free software, you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2. This
* program is distributed in the hope that it will be useful, but without
* any warranty, without even the implied warranty of merchantability or
* fitness for a particular purpose. See the COPYING file for details.
*/
#include "defines.h"
#include "vars.h"
#include "prototypes.h"
#ifdef ENABLE_MATH
/* Changed input to be unsigned instead of signed. This
* suppressed warning messages when compiling on Solaris.
*/
struct chanserv_output *do_math (const char *who, char *target, char *math)
{
char number_string[STRING_SHORT] = { 0 };
char op = 0;
unsigned char input[STRING_SHORT] = { 0 };
unsigned int index = 0;
unsigned int to = 0;
unsigned int input_length = 0;
unsigned int number_length = 0;
double result = 0.0;
double number = 0.0;
strncpy (input, math, sizeof (input));
input_length = strlen (input);
for (to = 0, index = 0; index <= input_length; index++)
if (*(input + index) != ' ')
*(input + to++) = *(input + index);
input_length = strlen (input);
index = 0;
if (input[index] == '=')
index++;
else
{
number_length = 0;
if (input[index] == '+' || input[index] == '-')
*(number_string + number_length++) = *(input + index++);
for (; isdigit (*(input + index)); index++)
*(number_string + number_length++) = *(input + index);
if (*(input + index) == '.')
{
*(number_string + number_length++) = *(input + index++);
for (; isdigit (*(input + index)); index++)
*(number_string + number_length++) = *(input + index);
}
*(number_string + number_length) = '\0';
if (number_length > 0)
result = atof (number_string);
}
for (; index < input_length;)
{
op = *(input + index++);
number_length = 0;
if (input[index] == '+' || input[index] == '-')
*(number_string + number_length++) = *(input + index++);
for (; isdigit (*(input + index)); index++)
*(number_string + number_length++) = *(input + index);
if (*(input + index) == '.')
{
*(number_string + number_length++) = *(input + index++);
for (; isdigit (*(input + index)); index++)
*(number_string + number_length++) = *(input + index);
}
*(number_string + number_length) = '\0';
number = atof (number_string);
switch (op)
{
case '+':
result += number;
break;
case '-':
result -= number;
break;
case '*':
result *= number;
break;
case '/':
if (number == 0)
{
L016 (target, who);
return;
}
else
result /= number;
break;
case '%':
if ((long) number == 0)
{
L016 (target, who);
return;
}
else
result = (double) ((long) result % (long) number);
break;
default:
L017 (target, who);
return;
}
}
return chanserv_asprintf(NULL, "%f\n", result);
}
#endif
long
cf (char *host, char *nick, char *chan)
{
int f_n = 0;
if (check_access (host, chan, 0, nick) >= 3)
return 0;
f_n = f_f (host);
if (f_n == -1)
{
a_f (host);
return 0;
}
if (ood[f_n].value)
return 1;
ood[f_n].count++;
if ((time (NULL) - ood[f_n].time) > FT)
ood[f_n].count = 0;
else if ((time (NULL) - ood[f_n].time) <= FT && ood[f_n].count >= FR)
{
ood[f_n].value = true;
if (!ood[f_n].kick)
{
ood[f_n].kick = 1;
if (*chan == '#' || *chan == '&')
{
#ifdef ENABLE_CHANNEL
if (FLOOD_KICK == true)
L018 (chan, nick, FLOOD_REASON, fc, host);
else
#endif
L019 (CHAN, fc, host);
}
else
L019 (CHAN, fc, host);
}
return 1;
}
ood[f_n].time = time (NULL);
return 0;
}
/**
* Update a nick's channel greeting and user@host.
* 6/23/00 Dan:
* - All method arguments are now pointers to const data
* - Rewrote to use a for loop, and fewer variables
* - Info is only saved to disk if changes are made
*/
void
update_setinfo (const char *new_uh, const char *new_greetz, const char *nick)
{
struct helperlist *c = helperhead;
bool madeChange = false;
size_t i = 0;
for (; c != NULL; c = c->next)
{
++i;
if (!match_wild (c->uh, new_uh) == 0)
{
strncpy (c->greetz, new_greetz, sizeof (c->greetz));
strlwr (c->uh);
L020 (nick, i, c->uh, new_greetz);
madeChange = true;
}
}
if (madeChange)
{
save_changes ();
}
}
/**
* 6/23/00 Dan:
* - All variables now initialized when declared
* - Altered variable types to reflect usage
*/
void
info (const char *source, char *target)
{
FILE *fp;
clock_t starttime = 0;
char b[STRING_LONG] = { 0 };
size_t topics = 0, dup = 0;
time_t t2time = 0, c_uptime = 0;
char *ptr = NULL, *subj = NULL;
char last[STRING_LONG] = { 0 };
t2time = time (NULL);
unlink (TMP_URL);
starttime = clock ();
fp = fopen (URL2, "r");
if (NULL == fp)
{
L003 (source, URL2);
return;
}
while (fgets (b, STRING_LONG, fp))
{
topics++;
if (FIND_DUPS)
{
if(*b == '\n')
continue;
stripline (b);
subj = strtok (b, " ");
ptr = strtok (NULL, "");
strlwr (subj);
if (strcasecmp (last, subj) == 0)
{
dup++;
if (SAVE_DUPS)
db_log (BACKUP_DUP, "%s %s\n", subj, ptr);
}
else
{
db_log (TMP_URL, "%s %s\n", subj, ptr);
}
strncpy (last, subj, sizeof (last));
last[sizeof (last) - 1] = '\0';
}
}
fclose (fp);
rename (TMP_URL, URL2);
if ((FIND_DUPS) && (dup > 0))
{
L025 (target, dup);
}
c_uptime = time (NULL) - uptime;
topics -= dup;
if (c_uptime > 86400)
{
L026 (target,
dbVersion,
topics,
c_uptime / 86400,
(c_uptime / 86400 ==
1) ? "" : "s",
(c_uptime / 3600) % 24,
(c_uptime / 60) % 60, QUESTIONS,
ADDITIONS, DELETIONS,
(double) (clock () -
starttime) /
CLOCKS_PER_SEC, (((double) (clock () - starttime) / CLOCKS_PER_SEC) == 1) ? "" : "s");
}
else if (c_uptime > 3600)
{
L027 (target,
dbVersion,
topics,
c_uptime / 3600,
c_uptime / 3600 == 1 ? "" : "s",
(c_uptime / 60) % 60,
(c_uptime / 60) % 60 ==
1 ? "" : "s", QUESTIONS,
ADDITIONS, DELETIONS,
(double) (clock () -
starttime) /
CLOCKS_PER_SEC, (((double) (clock () - starttime) / CLOCKS_PER_SEC) == 1) ? "" : "s");
}
else
{
L028 (target,
dbVersion,
topics,
c_uptime / 60,
c_uptime / 60 == 1 ? "" : "s",
c_uptime % 60,
c_uptime % 60 == 1 ? "" : "s",
QUESTIONS, ADDITIONS, DELETIONS,
(double) (clock () - starttime) / CLOCKS_PER_SEC, (((double)
(clock () -
starttime) /
CLOCKS_PER_SEC) == 1) ? "" : "s");
}
//#ifdef ENABLE_STATS
// get_stats(target, NULL); */
//#endif
}
/**
* Output information about the bot's database to a target.
* 6/22 Dan:
* - Changed both method arguments to be pointers to const data,
* this is a read only method.
*/
struct chanserv_output *show_info2 (const char *target, const char *source, enum chanserv_invoke_type invoked)
{
return chanserv_asprintf(NULL, "Compiled on %s. I have processed %ld lines of text since startup...", __DATE__, NUMLINESSEEN);
}
/**
* 6/23/00 Dan:
* - All method arguments are now pointer to const
* - Return type is now time_t
* - A for loop is now used instead of a while loop
*/
time_t
return_useridle (const char *chan, const char *who, int toggle)
{ /* toggle=0 is for idle time, toggle=1 is to check if user
is in the chan */
const struct userlist *c = userhead;
for (; c != NULL; c = c->next)
{
if (!strcasecmp (who, c->nick) && !strcasecmp (chan, c->chan))
{
if (toggle == 1)
{
/* If we only care if user is present or not.. */
return 1;
}
else
return c->idle;
} /* if */
} /* for */
return 0;
}
void
process_nick (char *nick, char *newnick)
{
struct userlist *c;
c = userhead;
newnick++;
while (c)
{
if (strcasecmp (nick, c->nick) == 0)
{
strncpy (c->nick, newnick, sizeof (c->nick));
}
c = c->next;
}
// Check if it's our own bot nick being changed.
if (strcasecmp(nick, Mynick) == 0)
{
strncpy(Mynick, newnick, sizeof (Mynick));
strncpy(s_Mynick, Mynick, sizeof (s_Mynick));
snprintf(NICK_COMMA, sizeof (NICK_COMMA), "%s,", Mynick);
snprintf(COLON_NICK, sizeof (COLON_NICK), "%s:", Mynick);
snprintf(BCOLON_NICK, sizeof (BCOLON_NICK), "%s\2:\2", Mynick);
}
}
/**
* 6/23/00 Dan:
* - All method arguments are now pointer to const
* - A for loop is now used instead of a while loop
*/
struct chanserv_output *show_chaninfo (const char *nick, const char *chan, const char *target)
{
size_t totalUsers = 0, foundUsers = 0;
const struct userlist *c = userhead;
for (; c != NULL; c = c->next)
{
++totalUsers;
if (!strcasecmp (chan, c->chan))
++foundUsers;
}
return chanserv_asprintf(NULL, "I see %d users in %s (%d users total in ram)", foundUsers, chan, totalUsers);
}
/*
* This function displays a list of users that are listed in the bot's internal user
* list as being on the channel pointed to by chan, to the nick pointed to by nick.
* Each message sent to the target should be no more than about 200 characters in length.
*/
struct chanserv_output *show_chanusers (const char *nick, const char *chan)
{
struct chanserv_output *result = NULL;
struct userlist *c = userhead;
char DATA[512] = {0};
size_t foundUsers = 0, len = 0;
for (; c != NULL; c = c->next)
{
if (strcasecmp (chan, c->chan) == 0)
{
++foundUsers;
strcat(DATA, c->nick);
strcat(DATA, " ");
/* Add the length of the new nick and room for a space to the length of the current buffer. */
len += (strlen(c->nick) + 1);
if (len >= 200)
{
result = chanserv_asprintf(result, DATA);
len = 0;
DATA[0] = 0;
db_sleep (2);
}
}
}
/* If there's any leftover data in our buffer after we've reached the end of the list send that as well. */
if (len > 0)
result = chanserv_asprintf(result, "%s", DATA);
/* Even if no users were found... */
result = chanserv_asprintf(result, "End of CHANUSERS list; %d user%s found.", foundUsers, (foundUsers == 1 ? "" : "s"));
return result;
}
void
do_modes (char *source, char *data)
{
char *chan = NULL, *mode = NULL, *nick = NULL, *ptr = NULL;
long PM = 0, j = 0, i = 0;
chan = strtok (data, " ");
mode = strtok (NULL, " ");
if ((ptr = strchr (source, '!')) != NULL)
*ptr++ = '\0';
j = strlen (mode);
i = -1; /* i needs to start at 0 */
while (j > 0)
{
j--;
i++;
if (mode[i] == '+')
PM = 1;
if (mode[i] == '-')
PM = 0;
if (mode[i] == 'o')
{
nick = strtok (NULL, " ");
do_op(nick, chan, PM); /* flag this member as having been (De)OP'd/ */
continue;
}
if (mode[i] == 'v')
{ /* voice sucks, ignore it */
nick = strtok (NULL, " ");
continue;
}
if (mode[i] == 'k' || mode[i] == 'b')
{
nick = strtok (NULL, " ");
if (nick[0] == '*' && nick[1] == '!')
{
nick += 2;
}
strlwr (nick);
if (PM == 1)
scan_chan_users (chan, source, nick);
continue;
}
if (mode[i] == 'l' && PM == 1)
{ /* don't parse if -limit
* since no params */
nick = strtok (NULL, " ");
continue;
}
}
}
/**
* do_quit
*
* Purpose:
* 1) delete all instances when a nick matches (nick)
* 2) delete all users off a given channel
* 2) delete everything (i.e., when the bot is disconnected from irc)
*
* toggle 1 = delete user.
* toggle 2 = delete chan
* toggle 3 = everything (when I'm killed).
*/
void
do_quit (const char *nick, long toggle)
{
struct userlist *pNode = userhead;
struct userlist *pPrev = NULL;
if (toggle == 1)
{
/* delete user */
while (pNode)
{
if (strcasecmp (pNode->nick, nick) == 0)
{
/* found a match, remove it */
save_seen (pNode->nick, pNode->uh, pNode->chan);
if (pPrev != NULL)
{
pPrev->next = pNode->next;
free (pNode);
pNode = pPrev->next;
}
else
{
/* first node in the list */
userhead = pNode->next;
free (pNode);
pNode = userhead;
}
}
else
{
/* No match, continue to next node */
pPrev = pNode;
pNode = pNode->next;
}
}
}
else if (toggle == 2)
{
/* delete channel */
while (pNode)
{
if (strcasecmp (pNode->chan, nick) == 0)
{
/* found a match, remove it */
save_seen (pNode->nick, pNode->uh, pNode->chan);
if (pPrev != NULL)
{
pPrev->next = pNode->next;
free (pNode);
pNode = pPrev->next;
}
else
{
/* first node in the list */
userhead = pNode->next;
free (pNode);
pNode = userhead;
}
}
else
{
/* No match, continue to next node */
pPrev = pNode;
pNode = pNode->next;
}
}
}
else if (toggle == 3)
{
struct userlist *tempPtr = userhead;
while (pNode)
{
tempPtr = pNode->next;
free (pNode);
pNode = tempPtr;
}
}
}
long
f_f (char *host)
{
int i = 0;
for (i = 0; i < fc; i++)
if (!strcasecmp (ood[i].host, host))
return i;
return -1;
}
void
a_f (char *host)
{
if (++fc > 100)
fc = 0;
fc--;
strncpy (ood[fc].host, host, sizeof (ood[fc].host));
ood[fc].time = time (NULL);
ood[fc].count = 0;
ood[fc].value = false;
fc++;
}
void
reset_ (void)
{
int i = 0;
for (i = 0; i < fc; i++)
{
if (ood[i].value && (time (NULL) - ood[i].time) > rt)
{
ood[i].count = 0;
ood[i].time = time (NULL);
ood[i].value = false;
ood[i].kick = 0;
}
}
}

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