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/*
* atheme-services: A collection of minimalist IRC services
* commandtree.c: Management of services commands.
*
* Copyright (c) 2005-2010 Atheme Project (http://www.atheme.org)
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "atheme.h"
#include "privs.h"
static int text_to_parv(char *text, int maxparc, char **parv);
void command_add(command_t *cmd, mowgli_patricia_t *commandtree)
{
return_if_fail(cmd != NULL);
return_if_fail(commandtree != NULL);
mowgli_patricia_add(commandtree, cmd->name, cmd);
}
void command_delete(command_t *cmd, mowgli_patricia_t *commandtree)
{
return_if_fail(cmd != NULL);
return_if_fail(commandtree != NULL);
mowgli_patricia_delete(commandtree, cmd->name);
}
command_t *command_find(mowgli_patricia_t *commandtree, const char *command)
{
return_val_if_fail(commandtree != NULL, NULL);
return_val_if_fail(command != NULL, NULL);
return mowgli_patricia_retrieve(commandtree, command);
}
void command_exec(service_t *svs, sourceinfo_t *si, command_t *c, int parc, char *parv[])
{
if (si->smu != NULL)
language_set_active(si->smu->language);
if (has_priv(si, c->access))
{
if (si->force_language != NULL)
language_set_active(si->force_language);
c->cmd(si, parc, parv);
language_set_active(NULL);
return;
}
if (has_any_privs(si))
command_fail(si, fault_noprivs, STR_NO_PRIVILEGE, c->access);
else
command_fail(si, fault_noprivs, _("You are not authorized to perform this operation."));
/* logcommand(si, CMDLOG_ADMIN, "DENIED COMMAND: \2%s\2 used \2%s\2 \2%s\2", origin, svs->name, cmd); */
if (si->smu != NULL)
language_set_active(NULL);
}
void command_exec_split(service_t *svs, sourceinfo_t *si, const char *cmd, char *text, mowgli_patricia_t *commandtree)
{
int parc, i;
char *parv[20];
command_t *c;
cmd = service_resolve_alias(svs, commandtree == svs->commands ? NULL : "unknown", cmd);
if ((c = command_find(commandtree, cmd)))
{
parc = text_to_parv(text, c->maxparc, parv);
for (i = parc; i < (int)(sizeof(parv) / sizeof(parv[0])); i++)
parv[i] = NULL;
command_exec(svs, si, c, parc, parv);
}
else
{
if (si->smu != NULL)
language_set_active(si->smu->language);
notice(svs->nick, si->su->nick, _("Invalid command. Use \2/%s%s help\2 for a command listing."), (ircd->uses_rcommand == false) ? "msg " : "", svs->disp);
if (si->smu != NULL)
language_set_active(NULL);
}
}
/*
* command_help
* Iterates the command tree and lists available commands.
*
* inputs -
* si: The origin of the request.
* commandtree: The command tree being listed.
*
* outputs -
* A list of available commands.
*/
void command_help(sourceinfo_t *si, mowgli_patricia_t *commandtree)
{
mowgli_patricia_iteration_state_t state;
command_t *c;
if (si->service == NULL || si->service->commands == commandtree)
command_success_nodata(si, _("The following commands are available:"));
else
command_success_nodata(si, _("The following subcommands are available:"));
MOWGLI_PATRICIA_FOREACH(c, &state, commandtree)
{
/* show only the commands we have access to
* (taken from command_exec())
*/
if (has_priv(si, c->access))
command_success_nodata(si, "\2%-15s\2 %s", c->name, translation_get(_(c->desc)));
}
}
/* name1 name2 name3... */
static bool string_in_list(const char *str, const char *name)
{
char *p;
int l;
if (str == NULL)
return false;
l = strlen(name);
while (*str != '\0')
{
p = strchr(str, ' ');
if (p != NULL ? p - str == l && !strncasecmp(str, name, p - str) : !strcasecmp(str, name))
return true;
if (p == NULL)
return false;
str = p;
while (*str == ' ')
str++;
}
return false;
}
/*
* command_help_short
* Iterates over the command tree and lists available commands.
*
* inputs -
* mynick: The nick of the services bot sending out the notices.
* origin: The origin of the request.
* commandtree: The command tree being listed.
* maincmds: The commands to list verbosely.
*
* outputs -
* A list of available commands.
*/
void command_help_short(sourceinfo_t *si, mowgli_patricia_t *commandtree, const char *maincmds)
{
mowgli_patricia_iteration_state_t state;
unsigned int l, lv;
char buf[256], *p;
command_t *c;
if (si->service == NULL || si->service->commands == commandtree)
command_success_nodata(si, _("The following commands are available:"));
else
command_success_nodata(si, _("The following subcommands are available:"));
MOWGLI_PATRICIA_FOREACH(c, &state, commandtree)
{
/* show only the commands we have access to
* (taken from command_exec())
*/
if (string_in_list(maincmds, c->name) && has_priv(si, c->access))
command_success_nodata(si, "\2%-15s\2 %s", c->name, translation_get(_(c->desc)));
}
command_success_nodata(si, " ");
strlcpy(buf, translation_get(_("\2Other commands:\2 ")), sizeof buf);
l = strlen(buf);
lv = 0;
for (p = buf; *p != '\0'; p++)
{
if (!(*p >= '\1' && *p < ' '))
lv++;
}
MOWGLI_PATRICIA_FOREACH(c, &state, commandtree)
{
/* show only the commands we have access to
* (taken from command_exec())
*/
if (!string_in_list(maincmds, c->name) && has_priv(si, c->access))
{
if (strlen(buf) > l)
strlcat(buf, ", ", sizeof buf);
if (strlen(buf) > 55)
{
command_success_nodata(si, "%s", buf);
l = lv;
buf[lv] = '\0';
while (--lv > 0)
buf[lv] = ' ';
buf[0] = ' ';
lv = l;
}
strlcat(buf, c->name, sizeof buf);
}
}
if (strlen(buf) > l)
command_success_nodata(si, "%s", buf);
}
static int text_to_parv(char *text, int maxparc, char **parv)
{
int count = 0;
char *p;
if (maxparc == 0)
return 0;
if (!text)
return 0;
p = text;
while (count < maxparc - 1 && (parv[count] = strtok(p, " ")) != NULL)
count++, p = NULL;
if ((parv[count] = strtok(p, "")) != NULL)
{
p = parv[count];
while (*p == ' ')
p++;
parv[count] = p;
if (*p != '\0')
{
p += strlen(p) - 1;
while (*p == ' ' && p > parv[count])
p--;
p[1] = '\0';
count++;
}
}
return count;
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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