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helpers.c
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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"
/**
* Add a channel helper.
* 6/22/00 Dan
* n now initialized where declared
* All pointer arguments now received as pointer to const data.
*/
void
add_helper (const char *chan,
const char *uh, long level, size_t num_join, const char *greetz, const char *pass, char mode)
{
struct helperlist *n = 0;
char *ptr = NULL;
#ifdef ENABLE_ENCRYPT
const char *salt = "8fei3k";
if ( mode == 0 )
{
if ((ptr = crypt (pass, salt)) == NULL) /* encrypt password */
return;
}
else
ptr = (char *)pass;
#else
ptr = (char *)pass;
#endif
n = malloc (sizeof (struct helperlist));
if (n == NULL)
{
db_log ("error.log", "AHHH! No ram left! in add_helper!\n");
return;
}
memset (n, 0, sizeof (struct helperlist));
NUM_HELPER++;
if (chan[0] == '#')
{
strncpy (n->chan, chan, sizeof (n->chan));
}
else
{
strncpy (n->chan, "#*", sizeof (n->chan));
}
strncpy (n->uh, uh, sizeof (n->uh));
strlwr (n->uh);
strncpy (n->pass, ptr, sizeof (n->pass));
n->num_join = num_join;
n->level = level;
strncpy (n->greetz, greetz, MIN(sizeof(n->greetz) - 1, strlen(greetz)));
n->next = helperhead;
helperhead = n;
}
/**
* Output the helper list to a nickname.
* 6/22, Dan:
* - Changed helperlist* c to be a pointer to const data
* - Changed initialization of DATA, and size to be a
* power of 2
* - Added initialization of c
* - Changed while loop to for loop
* - Changed types of i, x to size_t since they should be
* unsigned.
* - Added reinitialization of DATA using memset() (changed from
* strcpy(DATA,""))
*/
struct chanserv_output *show_helper_list(struct chanserv_output *output, const char *nick, long level)
{
char DATA [STRING_SHORT * 7] = { 0 };
char tmp [STRING_SHORT] = { 0 };
size_t i = 0, x = 0;
const struct helperlist *c = NULL;
for (c = helperhead; c != NULL; c = c->next)
{
// If we're displaying users at all levels...
if ((level == 0) || (level == c->level))
{
i++; x++;
snprintf (tmp, sizeof(tmp) - 1, "%s[%s:%ld:%d] ",
c->uh, c->chan, (long int) c->level, (int) c->num_join);
strncat(DATA, tmp, sizeof(DATA) - 1);
if (i > 6)
{
i = 0;
output = chanserv_asprintf(output, DATA);
DATA[0] = 0;
db_sleep(2);
}
}
} /* for() */
if (x != 0)
output = chanserv_asprintf(output, DATA);
output = chanserv_asprintf(output, "End of Helper Userlist; %d user%s found.", x, (x == 1) ? "" : "s");
return output;
}
void
load_helpers (void)
{
FILE *fp;
char b[STRING_LONG], *user_host, *greetz, *numb_join, *chan, *w_level, *pass;
long num_join = 0, i = 0, level = 0;
if ((fp = fopen (HELPER_LIST, "r")) == NULL)
{
printf ("Unable to open %s! Aborting connection.\n", HELPER_LIST);
printf ("Please run ./configure to setup your darkbot.\n");
exit (0);
}
printf ("Loading %s file ", HELPER_LIST);
while (fgets (b, STRING_LONG, fp))
{
if (b == NULL)
continue;
stripline (b);
if (*b == '/')
continue;
i++;
printf (".");
fflush (stdout);
chan = strtok (b, " ");
if (chan == NULL)
continue;
user_host = strtok (NULL, " ");
if (user_host == NULL)
continue;
w_level = strtok (NULL, " ");
if (w_level == NULL)
continue;
numb_join = strtok (NULL, " ");
if (numb_join == NULL)
continue;
pass = strtok (NULL, " ");
if (pass == NULL)
{
pass = "0"; /* duh */
}
greetz = strtok (NULL, "");
if (greetz == NULL)
greetz = "I haven't used \2SETINFO\2 yet!";
if (w_level != NULL)
level = atoi (w_level);
else
level = 1;
if (numb_join != NULL)
num_join = atoi (numb_join);
else
num_join = 0;
if (strlen (pass) > 25)
pass[25] = '\0';
if (DebuG == 1)
printf
("loading helperlist: %s %s l:%d j:%d %s\n",
chan, user_host, (int) level, (int) num_join, greetz);
add_helper (chan, user_host, level, num_join, greetz, pass, 1);
}
printf ("done(%d), ", (int) i);
fclose (fp);
save_changes ();
if (DebuG == 1)
db_sleep (2);
}
void
set_pass (char *nick, char *uh, char *pass, char *newpass)
{
struct helperlist *c;
char *ptr = NULL;
#ifdef ENABLE_ENCRYPT
char *salt = "8fei3k";
#endif
c = helperhead;
strlwr (uh);
#ifdef ENABLE_ENCRYPT
if ((ptr = crypt (pass, salt)) == NULL) /* encrypt old password */
return;
#else
ptr = (char *)pass;
#endif
while (c)
{
if (!match_wild (c->uh, uh) == 0)
{
if (strcmp (c->pass, ptr) == 0 || strcmp (c->pass, "0") == 0)
{
#ifdef ENABLE_ENCRYPT
if ((ptr = crypt (newpass, salt)) == NULL) /* encrypt new password */
return;
#else
ptr = (char *)newpass;
#endif
strncpy (c->pass, ptr, sizeof (c->pass));
L012 (nick, uh);
save_changes ();
return;
}
else
{
L013 (nick);
return;
}
}
c = c->next;
}
L014 (nick);
}
long
verify_pass (char *nick, char *chan, char *uh, char *pass)
{
struct helperlist *c;
char *ptr = NULL;
#ifdef ENABLE_ENCRYPT
char *salt = "8fei3k";
#endif
c = helperhead;
strlwr (uh);
#ifdef ENABLE_ENCRYPT
ptr = crypt (pass, salt)
if (ptr == NULL)
return 0;
#else
ptr = pass;
#endif
while (c)
{
if (!match_wild (c->uh, uh) == 0)
{
if (*c->pass == '0')
return 0; /* no pass set */
if (strcmp (c->pass, ptr) == 0)
{
if (has_access_for_this_channel (c->chan, chan))
{
return c->level;
}
S ("NOTICE %s :Pass verified but access is only for %s.\n", nick, c->chan);
return 0; /* don't match chan access */
}
}
c = c->next;
}
return 0;
}
int
has_access_for_this_channel (char* config_chan, char* current_chan)
{
if (config_chan[0] == '#' && config_chan[1] == '*')
return 1;
if (*current_chan == '*')
return 1;
if (strcasecmp (config_chan, current_chan) == 0)
return 1;
return 0;
}
void
do_login (char *nick, char *pass)
{
long i = 0, x = 0, D = 0;
char Data[STRING_SHORT] = { 0 }, b[STRING_SHORT] =
{
0};
struct userlist *c;
c = userhead;
while (c)
{
if (strcasecmp (nick, c->nick) == 0)
{
x = verify_pass (c->nick, c->chan, c->uh, pass);
if (x > 0)
{
i++;
if (c->level == 0 && x >= 2)
{
#ifdef ENABLE_CHANNEL
if (OP_USERS_ON_LOGIN)
{
/* only if not already authed */
S ("MODE %s +ov %s %s\n", c->chan, c->nick, c->nick);
}
#endif
D = 1;
}
c->level = x;
snprintf (b, sizeof (b), "%s[%d] %s", c->chan, (int) c->level, Data);
strncpy (Data, b, sizeof (Data));
}
}
c = c->next;
}
if (i != 0)
{
if (!D)
{
S ("NOTICE %s :Already authed on %s\n", nick, Data);
}
else
S ("NOTICE %s :Verified: %s\n", nick, Data);
}
}
long
check_access (char *uh, char *chan, int toggle, char *nick)
{
long i = 0, length = 0, A = 0, X = 0, Y = 0;
struct helperlist *c;
struct userlist *c2;
char temp[STRING_LONG] = { 0 };
c = helperhead;
c2 = userhead;
strlwr (uh);
if (toggle == 0)
{ /* get access level */
while (c2)
{
if (strcasecmp (c2->uh, uh) == 0)
{
if (((strcasecmp (c2->chan, chan) == 0) || (strcasecmp ("#*", chan) == 0))) /* privmsg */
{
if (strcasecmp (c2->nick, nick) == 0)
{
return c2->level;
}
}
}
c2 = c2->next;
}
return 0; /* no matches? */
}
else
while (c != NULL)
{
if (!match_wild (c->uh, uh) == 0)
{
if (*c->pass == '0')
{
L001 (nick, Mynick);
return 0;
}
if (c->chan[1] != '*')
if (strcasecmp (c->chan, chan) != 0)
return 0;
c->num_join++;
if (*c->greetz == '+')
A = 1;
strncpy (data, "", sizeof (data));
length = Y = strlen (c->greetz);
if (length > 1)
{
while (length > 0)
{
length--;
X++;
if (c->greetz[length] == '^')
{
i++;
snprintf (temp, sizeof (temp), "%s%s", nick, data);
}
else if (c->greetz[length] == '%')
{
i++;
snprintf (temp, sizeof (temp), "%u%s",(unsigned int) c->num_join, data);
}
else if (c->greetz[length] == '$')
{
i++;
snprintf (temp, sizeof (temp), "%s%s", uh, data);
}
else if (c->greetz[length] == '&')
{
i++;
snprintf (temp, sizeof (temp), "%s%s", chan, data);
}
else
snprintf (temp, sizeof (temp), "%c%s", c->greetz[length], data);
if (X == Y && A == 1)
continue;
strncpy (data, temp, sizeof (data));
} /* While */
if (JOIN_GREET)
{
if (i == 0)
{
if (setinfo_lastcomm (uh) == 0)
{
S ("PRIVMSG %s :%ld\2!\2\37(\37%s\37)\37\2:\2 %s\n",
chan, c->num_join, nick, c->greetz);
}
}
else if (A == 1)
{
if (setinfo_lastcomm (uh) == 0)
{
S ("PRIVMSG %s :\1ACTION %s\1\n", chan, data);
}
}
else
{
if (setinfo_lastcomm (uh) == 0)
{
S ("PRIVMSG %s :%s\n", chan, data);
}
}
}
return c->level;
}
}
c = c->next;
}
return 0;
}

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