ircd-hybrid-7.3/contrib/m_flags.c

/*
 *  m_flags.c: Implements comstud-style mode flags.
 *
 *  Copyright 2002 by W. Campbell and the ircd-hybrid development team
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *  1.Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer. 
 *  2.Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution. 
 *  3.The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 *  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.
 *
 *  $Id$
 */

/* List of ircd includes from ../include/ */
#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "common.h"     /* FALSE bleah */
#include "ircd.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_user.h"    /* send_umode_out() */

static void m_flags(struct Client *, struct Client *, int, char *[]);
static void mo_flags(struct Client *, struct Client *, int, char *[]);

static char *set_flags_to_string(struct Client *);
static char *unset_flags_to_string(struct Client *);

struct Message flags_msgtab = {
  "FLAGS", 0, 0, 0, 0, MFLG_SLOW, 0,
  {m_unregistered, m_flags, m_ignore, m_ignore, mo_flags, m_ignore}
};

void
_modinit(void)
{
  mod_add_cmd(&flags_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&flags_msgtab);
}

const char *_version = "$Revision$";

/* FLAGS requires it's own mini parser, since the last parameter in it can
 * contain a number of FLAGS.  CS handles FLAGS mode1 mode2 OR
 * FLAGS :mode1 mode2, but not both mixed.
 *
 * The best way to match a flag to a mode is with a simple table
 */

static struct FlagTable
{
  const char *name;
  unsigned int mode;
  int oper;
} flag_table[] = {
  /* name              mode it represents oper only? */
  { "OWALLOPS",         UMODE_OPERWALL,         1 },
  { "SWALLOPS",         UMODE_WALLOP,           0 },
  { "STATSNOTICES",     UMODE_SPY,              1 },
    /* We don't have a separate OKILL and SKILL modes */
  { "OKILLS",           UMODE_SKILL,            0 },
  { "SKILLS",           UMODE_SKILL,            0 },
  { "SNOTICES",         UMODE_SERVNOTICE,       0 },
    /* We don't have separate client connect and disconnect modes */
  { "CLICONNECTS",      UMODE_CCONN,            1 },
  { "CLIDISCONNECTS",   UMODE_CCONN,            1 },
    /* I'm taking a wild guess here... */
  { "THROTTLES",        UMODE_REJ,              1 },
#if 0
    /* This one is special...controlled via an oper block option */
  { "NICKCHANGES",      UMODE_NCHANGE,          1 },
    /* NICKCHANGES must be checked for separately */
#endif
    /* I'm assuming this is correct... */
  { "IPMISMATCHES",     UMODE_UNAUTH,           1 },
  { "LWALLOPS",         UMODE_LOCOPS,           1 },
    /* These aren't separate on Hybrid */
  { "CONNECTS",         UMODE_EXTERNAL,         1 },
  { "SQUITS",           UMODE_EXTERNAL,         1 },
    /* Now we have our Hybrid specific flags */
  { "FULL",             UMODE_FULL,             1 },
    /* Not in CS, but we might as well put it here */
  { "INVISIBLE",        UMODE_INVISIBLE,        0 },
  { "BOTS",             UMODE_BOTS,             1 },
  { "CALLERID",         UMODE_CALLERID,         0 },
  { "UNAUTH",           UMODE_UNAUTH,           1 },
  { "DEBUG",            UMODE_DEBUG,            1 },
  { NULL,               0,                      0 }
};

/* We won't control CALLERID or INVISIBLE in here */

#define FL_ALL_USER_FLAGS (UMODE_WALLOP | UMODE_SKILL | UMODE_SERVNOTICE )

/* and we don't control NCHANGES here either */

#define FL_ALL_OPER_FLAGS (FL_ALL_USER_FLAGS | UMODE_CCONN | UMODE_REJ |\
                           UMODE_FULL | UMODE_SPY | UMODE_DEBUG |\
                           UMODE_OPERWALL | UMODE_BOTS | UMODE_EXTERNAL |\
                           UMODE_UNAUTH | UMODE_LOCOPS )

/* m_flags()
 *
 *      parv[0] = sender prefix
 *      parv[1] = parameter
 */
static void 
m_flags(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  int i,j;
  int isadd;
  int isgood;
  unsigned int setflags;
  char *p;
  char *flag;

  if (parc < 2)
  {
    /* Generate a list of what flags you have and what you are missing,
    ** and send it to the user
    */
    sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
               me.name, parv[0], set_flags_to_string(source_p));
    sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
               me.name, parv[0], unset_flags_to_string(source_p));
    return;
  }

  /* Preserve the current flags */
  setflags = source_p->umodes;

/* XXX - change this to support a multiple last parameter like ISON */

  for (i = 1; i < parc; i++)
  {
    for (flag = strtoken(&p, parv[i], " "); flag;
         flag = strtoken(&p, NULL, " "))
    {
      /* We default to being in ADD mode */
      isadd = 1;

      /* We default to being in BAD mode */
      isgood = 0;

      if (!isalpha(*flag))
      {
        if (*flag == '-')
          isadd = 0;
        else if (*flag == '+')
          isadd = 1;
        ++flag;
      }

      /* support ALL here */
      if (!irccmp(flag, "ALL"))
      {
        if (isadd)
          source_p->umodes |= FL_ALL_USER_FLAGS;
        else
          source_p->umodes &= ~FL_ALL_USER_FLAGS;
        sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
                   me.name, parv[0], set_flags_to_string(source_p));
        sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
                   me.name, parv[0], unset_flags_to_string(source_p));
        send_umode_out(client_p, source_p, setflags);
        return;
      }

      for (j = 0; flag_table[j].name; j++)
      {
        if (!flag_table[j].oper && !irccmp(flag, flag_table[j].name))
        {
          if (isadd)
            source_p->umodes |= flag_table[j].mode;
          else
            source_p->umodes &= ~flag_table[j].mode;
          isgood = 1;
          continue;
        }
      }
      /* This for ended without matching a valid FLAG, here is where
       * I want to operate differently than ircd-comstud, and just ignore
       * the invalid flag, send a warning and go on.
       */
      if (!isgood)
        sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
                   me.name, parv[0], flag);
    }
  }

  /* All done setting the flags, print the notices out to the user
   * telling what flags they have and what flags they are missing
   */
  sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
             me.name, parv[0], set_flags_to_string(source_p));
  sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
             me.name, parv[0], unset_flags_to_string(source_p));

  send_umode_out(client_p, source_p, setflags);
}

/* mo_flags()
 *
 *      parv[0] = sender prefix
 *      parv[1] = parameter
 */
static void 
mo_flags(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  int i,j;
  int isadd;
  int isgood;
  unsigned int setflags;
  char *p;
  char *flag;

  if (parc < 2)
  {
    /* Generate a list of what flags you have and what you are missing,
    ** and send it to the user
    */
    sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
               me.name, parv[0], set_flags_to_string(source_p));
    sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
               me.name, parv[0], unset_flags_to_string(source_p));
    return;
  }

  /* Preserve the current flags */
  setflags = source_p->umodes;

/* XXX - change this to support a multiple last parameter like ISON */

  for (i = 1; i < parc; i++)
  {
    for (flag = strtoken(&p, parv[i], " "); flag;
         flag = strtoken(&p, NULL, " "))
    {
      /* We default to being in ADD mode */
      isadd = 1;

      /* We default to being in BAD mode */
      isgood = 0;

      if (!isalpha(*flag))
      {
        if (*flag == '-')
          isadd = 0;
        else if (*flag == '+')
          isadd = 1;
        ++flag;
      }

      /* support ALL here */
      if (!irccmp(flag, "ALL"))
      {
        if (isadd)
          source_p->umodes |= FL_ALL_OPER_FLAGS;
        else
          source_p->umodes &= ~FL_ALL_OPER_FLAGS;
        sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
                   me.name, parv[0], set_flags_to_string(source_p));
        sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
                   me.name, parv[0], unset_flags_to_string(source_p));
        send_umode_out(client_p, source_p, setflags);
        return;
      }

      if (!irccmp(flag, "NICKCHANGES"))
      {
        if (!IsOperN(source_p))
        {
          sendto_one(source_p,
                     ":%s NOTICE %s :*** You have no nick_changes flag;",
                     me.name,parv[0]);
          continue;
        }
        if (isadd)
          source_p->umodes |= UMODE_NCHANGE;
        else
          source_p->umodes &= ~UMODE_NCHANGE;
        isgood = 1;
        continue;
      }

      for (j = 0; flag_table[j].name; j++)
      {
        if (!irccmp(flag, flag_table[j].name))
        {
          if (isadd)
            source_p->umodes |= flag_table[j].mode;
          else
            source_p->umodes &= ~ (flag_table[j].mode);
          isgood = 1;
          continue;
        }
      }
      /* This for ended without matching a valid FLAG, here is where
       * I want to operate differently than ircd-comstud, and just ignore
       * the invalid flag, send a warning and go on.
       */
      if (!isgood)
        sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
                   me.name, parv[0], flag);
    }
  }

  /* All done setting the flags, print the notices out to the user
  ** telling what flags they have and what flags they are missing
  */
  sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
             me.name, parv[0], set_flags_to_string(source_p));
  sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
             me.name, parv[0], unset_flags_to_string(source_p));

  send_umode_out(client_p, source_p, setflags);
}

static char *
set_flags_to_string(struct Client *client_p)
{
  /* XXX - list all flags that we have set on the client */
  static char setflags[IRCD_BUFSIZE + 1];
  int i;

  /* Clear it to begin with, we'll be doing a lot of ircsprintf's */
  setflags[0] = '\0';

  /* Unlike unset_flags_to_string(), we don't have to care about oper
  ** flags and not showing them
  */

  for (i = 0; flag_table[i].name; i++)
  {
    if (client_p->umodes & flag_table[i].mode)
    {
      ircsprintf(setflags, "%s %s", setflags, flag_table[i].name);
    }
  }

#if 0
  if (IsOper(client_p) && IsOperN(client_p))
  {
#endif
    /* You can only be set +NICKCHANGES if you are an oper and
     * IsOperN(client_p) is true
     */
    if (client_p->umodes & UMODE_NCHANGE)
    {
      ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
    }
#if 0
  }
#endif
  return setflags;
}

static char *
unset_flags_to_string(struct Client *client_p)
{
  /* Inverse of above */
  /* XXX - list all flags that we do NOT have set on the client */
  static char setflags[IRCD_BUFSIZE + 1];
  int i, isoper;

  /* Clear it to begin with, we'll be doing a lot of ircsprintf's */
  setflags[0] = '\0';

  isoper = IsOper(client_p) != 0;

  for (i = 0; flag_table[i].name; i++)
  {
    if (!(client_p->umodes & flag_table[i].mode))
    {
      if (!isoper && flag_table[i].oper)
        continue;

      ircsprintf(setflags, "%s %s", setflags,
                 flag_table[i].name);
    }
  }

  if (IsOper(client_p) && IsOperN(client_p))
  {
    if (!(client_p->umodes & UMODE_NCHANGE))
    {
      ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
    }
  }

  return setflags;
}
Revision:	1121
Committed:	Sun Jan 9 11:03:03 2011 UTC (15 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	12945 byte(s)
Log Message:	- removed all instances of STATIC_MODULES since we don't have static modules anymore - removed m_mkpasswd module from contrib
#	User	Rev	Content
1	adx	30	/*
2			* m_flags.c: Implements comstud-style mode flags.
3			*
4			* Copyright 2002 by W. Campbell and the ircd-hybrid development team
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions are
8			* met:
9			*
10			* 1.Redistributions of source code must retain the above copyright notice,
11			* this list of conditions and the following disclaimer.
12			* 2.Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			* 3.The name of the author may not be used to endorse or promote products
16			* derived from this software without specific prior written permission.
17			*
18			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20			* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21			* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22			* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23			* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24			* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27			* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28			* POSSIBILITY OF SUCH DAMAGE.
29			*
30	knight	31	* $Id$
31	adx	30	*/
32
33			/* List of ircd includes from ../include/ */
34			#include "stdinc.h"
35			#include "handlers.h"
36			#include "client.h"
37			#include "common.h" /* FALSE bleah */
38			#include "ircd.h"
39			#include "irc_string.h"
40			#include "sprintf_irc.h"
41			#include "numeric.h"
42			#include "fdlist.h"
43			#include "s_bsd.h"
44			#include "s_conf.h"
45			#include "s_log.h"
46			#include "s_serv.h"
47			#include "send.h"
48			#include "msg.h"
49			#include "parse.h"
50			#include "modules.h"
51			#include "s_user.h" /* send_umode_out() */
52
53			static void m_flags(struct Client , struct Client , int, char *[]);
54			static void mo_flags(struct Client , struct Client , int, char *[]);
55
56			static char set_flags_to_string(struct Client );
57			static char unset_flags_to_string(struct Client );
58
59			struct Message flags_msgtab = {
60			"FLAGS", 0, 0, 0, 0, MFLG_SLOW, 0,
61			{m_unregistered, m_flags, m_ignore, m_ignore, mo_flags, m_ignore}
62			};
63
64			void
65			_modinit(void)
66			{
67			mod_add_cmd(&flags_msgtab);
68			}
69
70			void
71			_moddeinit(void)
72			{
73			mod_del_cmd(&flags_msgtab);
74			}
75
76	knight	31	const char *_version = "$Revision$";
77	adx	30
78			/* FLAGS requires it's own mini parser, since the last parameter in it can
79			* contain a number of FLAGS. CS handles FLAGS mode1 mode2 OR
80			* FLAGS :mode1 mode2, but not both mixed.
81			*
82			* The best way to match a flag to a mode is with a simple table
83			*/
84
85			static struct FlagTable
86			{
87			const char *name;
88			unsigned int mode;
89			int oper;
90			} flag_table[] = {
91			/* name mode it represents oper only? */
92			{ "OWALLOPS", UMODE_OPERWALL, 1 },
93			{ "SWALLOPS", UMODE_WALLOP, 0 },
94			{ "STATSNOTICES", UMODE_SPY, 1 },
95			/* We don't have a separate OKILL and SKILL modes */
96			{ "OKILLS", UMODE_SKILL, 0 },
97			{ "SKILLS", UMODE_SKILL, 0 },
98			{ "SNOTICES", UMODE_SERVNOTICE, 0 },
99			/* We don't have separate client connect and disconnect modes */
100			{ "CLICONNECTS", UMODE_CCONN, 1 },
101			{ "CLIDISCONNECTS", UMODE_CCONN, 1 },
102			/* I'm taking a wild guess here... */
103			{ "THROTTLES", UMODE_REJ, 1 },
104			#if 0
105			/* This one is special...controlled via an oper block option */
106			{ "NICKCHANGES", UMODE_NCHANGE, 1 },
107			/* NICKCHANGES must be checked for separately */
108			#endif
109			/* I'm assuming this is correct... */
110			{ "IPMISMATCHES", UMODE_UNAUTH, 1 },
111			{ "LWALLOPS", UMODE_LOCOPS, 1 },
112			/* These aren't separate on Hybrid */
113			{ "CONNECTS", UMODE_EXTERNAL, 1 },
114			{ "SQUITS", UMODE_EXTERNAL, 1 },
115			/* Now we have our Hybrid specific flags */
116			{ "FULL", UMODE_FULL, 1 },
117			/* Not in CS, but we might as well put it here */
118			{ "INVISIBLE", UMODE_INVISIBLE, 0 },
119			{ "BOTS", UMODE_BOTS, 1 },
120			{ "CALLERID", UMODE_CALLERID, 0 },
121			{ "UNAUTH", UMODE_UNAUTH, 1 },
122			{ "DEBUG", UMODE_DEBUG, 1 },
123			{ NULL, 0, 0 }
124			};
125
126			/* We won't control CALLERID or INVISIBLE in here */
127
128			#define FL_ALL_USER_FLAGS (UMODE_WALLOP \| UMODE_SKILL \| UMODE_SERVNOTICE )
129
130			/* and we don't control NCHANGES here either */
131
132			#define FL_ALL_OPER_FLAGS (FL_ALL_USER_FLAGS \| UMODE_CCONN \| UMODE_REJ \|\
133			UMODE_FULL \| UMODE_SPY \| UMODE_DEBUG \|\
134			UMODE_OPERWALL \| UMODE_BOTS \| UMODE_EXTERNAL \|\
135			UMODE_UNAUTH \| UMODE_LOCOPS )
136
137			/* m_flags()
138			*
139			* parv[0] = sender prefix
140			* parv[1] = parameter
141			*/
142			static void
143			m_flags(struct Client client_p, struct Client source_p,
144			int parc, char *parv[])
145			{
146			int i,j;
147			int isadd;
148			int isgood;
149			unsigned int setflags;
150			char *p;
151			char *flag;
152
153			if (parc < 2)
154			{
155			/* Generate a list of what flags you have and what you are missing,
156			** and send it to the user
157			*/
158			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
159			me.name, parv[0], set_flags_to_string(source_p));
160			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
161			me.name, parv[0], unset_flags_to_string(source_p));
162			return;
163			}
164
165			/* Preserve the current flags */
166			setflags = source_p->umodes;
167
168			/* XXX - change this to support a multiple last parameter like ISON */
169
170			for (i = 1; i < parc; i++)
171			{
172			for (flag = strtoken(&p, parv[i], " "); flag;
173			flag = strtoken(&p, NULL, " "))
174			{
175			/* We default to being in ADD mode */
176			isadd = 1;
177
178			/* We default to being in BAD mode */
179			isgood = 0;
180
181			if (!isalpha(*flag))
182			{
183			if (*flag == '-')
184			isadd = 0;
185			else if (*flag == '+')
186			isadd = 1;
187			++flag;
188			}
189
190			/* support ALL here */
191			if (!irccmp(flag, "ALL"))
192			{
193			if (isadd)
194			source_p->umodes \|= FL_ALL_USER_FLAGS;
195			else
196			source_p->umodes &= ~FL_ALL_USER_FLAGS;
197			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
198			me.name, parv[0], set_flags_to_string(source_p));
199			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
200			me.name, parv[0], unset_flags_to_string(source_p));
201			send_umode_out(client_p, source_p, setflags);
202			return;
203			}
204
205			for (j = 0; flag_table[j].name; j++)
206			{
207			if (!flag_table[j].oper && !irccmp(flag, flag_table[j].name))
208			{
209			if (isadd)
210			source_p->umodes \|= flag_table[j].mode;
211			else
212			source_p->umodes &= ~flag_table[j].mode;
213			isgood = 1;
214			continue;
215			}
216			}
217			/* This for ended without matching a valid FLAG, here is where
218			* I want to operate differently than ircd-comstud, and just ignore
219			* the invalid flag, send a warning and go on.
220			*/
221			if (!isgood)
222			sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
223			me.name, parv[0], flag);
224			}
225			}
226
227			/* All done setting the flags, print the notices out to the user
228			* telling what flags they have and what flags they are missing
229			*/
230			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
231			me.name, parv[0], set_flags_to_string(source_p));
232			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
233			me.name, parv[0], unset_flags_to_string(source_p));
234
235			send_umode_out(client_p, source_p, setflags);
236			}
237
238			/* mo_flags()
239			*
240			* parv[0] = sender prefix
241			* parv[1] = parameter
242			*/
243			static void
244			mo_flags(struct Client client_p, struct Client source_p,
245			int parc, char *parv[])
246			{
247			int i,j;
248			int isadd;
249			int isgood;
250			unsigned int setflags;
251			char *p;
252			char *flag;
253
254			if (parc < 2)
255			{
256			/* Generate a list of what flags you have and what you are missing,
257			** and send it to the user
258			*/
259			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
260			me.name, parv[0], set_flags_to_string(source_p));
261			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
262			me.name, parv[0], unset_flags_to_string(source_p));
263			return;
264			}
265
266			/* Preserve the current flags */
267			setflags = source_p->umodes;
268
269			/* XXX - change this to support a multiple last parameter like ISON */
270
271			for (i = 1; i < parc; i++)
272			{
273			for (flag = strtoken(&p, parv[i], " "); flag;
274			flag = strtoken(&p, NULL, " "))
275			{
276			/* We default to being in ADD mode */
277			isadd = 1;
278
279			/* We default to being in BAD mode */
280			isgood = 0;
281
282			if (!isalpha(*flag))
283			{
284			if (*flag == '-')
285			isadd = 0;
286			else if (*flag == '+')
287			isadd = 1;
288			++flag;
289			}
290
291			/* support ALL here */
292			if (!irccmp(flag, "ALL"))
293			{
294			if (isadd)
295			source_p->umodes \|= FL_ALL_OPER_FLAGS;
296			else
297			source_p->umodes &= ~FL_ALL_OPER_FLAGS;
298			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
299			me.name, parv[0], set_flags_to_string(source_p));
300			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
301			me.name, parv[0], unset_flags_to_string(source_p));
302			send_umode_out(client_p, source_p, setflags);
303			return;
304			}
305
306			if (!irccmp(flag, "NICKCHANGES"))
307			{
308			if (!IsOperN(source_p))
309			{
310			sendto_one(source_p,
311			":%s NOTICE %s :*** You have no nick_changes flag;",
312			me.name,parv[0]);
313			continue;
314			}
315			if (isadd)
316			source_p->umodes \|= UMODE_NCHANGE;
317			else
318			source_p->umodes &= ~UMODE_NCHANGE;
319			isgood = 1;
320			continue;
321			}
322
323			for (j = 0; flag_table[j].name; j++)
324			{
325			if (!irccmp(flag, flag_table[j].name))
326			{
327			if (isadd)
328			source_p->umodes \|= flag_table[j].mode;
329			else
330			source_p->umodes &= ~ (flag_table[j].mode);
331			isgood = 1;
332			continue;
333			}
334			}
335			/* This for ended without matching a valid FLAG, here is where
336			* I want to operate differently than ircd-comstud, and just ignore
337			* the invalid flag, send a warning and go on.
338			*/
339			if (!isgood)
340			sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
341			me.name, parv[0], flag);
342			}
343			}
344
345			/* All done setting the flags, print the notices out to the user
346			** telling what flags they have and what flags they are missing
347			*/
348			sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
349			me.name, parv[0], set_flags_to_string(source_p));
350			sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
351			me.name, parv[0], unset_flags_to_string(source_p));
352
353			send_umode_out(client_p, source_p, setflags);
354			}
355
356			static char *
357			set_flags_to_string(struct Client *client_p)
358			{
359			/* XXX - list all flags that we have set on the client */
360			static char setflags[IRCD_BUFSIZE + 1];
361			int i;
362
363			/* Clear it to begin with, we'll be doing a lot of ircsprintf's */
364			setflags[0] = '\0';
365
366			/* Unlike unset_flags_to_string(), we don't have to care about oper
367			** flags and not showing them
368			*/
369
370			for (i = 0; flag_table[i].name; i++)
371			{
372			if (client_p->umodes & flag_table[i].mode)
373			{
374			ircsprintf(setflags, "%s %s", setflags, flag_table[i].name);
375			}
376			}
377
378			#if 0
379			if (IsOper(client_p) && IsOperN(client_p))
380			{
381			#endif
382			/* You can only be set +NICKCHANGES if you are an oper and
383			* IsOperN(client_p) is true
384			*/
385			if (client_p->umodes & UMODE_NCHANGE)
386			{
387			ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
388			}
389			#if 0
390			}
391			#endif
392			return setflags;
393			}
394
395			static char *
396			unset_flags_to_string(struct Client *client_p)
397			{
398			/* Inverse of above */
399			/* XXX - list all flags that we do NOT have set on the client */
400			static char setflags[IRCD_BUFSIZE + 1];
401			int i, isoper;
402
403			/* Clear it to begin with, we'll be doing a lot of ircsprintf's */
404			setflags[0] = '\0';
405
406			isoper = IsOper(client_p) != 0;
407
408			for (i = 0; flag_table[i].name; i++)
409			{
410			if (!(client_p->umodes & flag_table[i].mode))
411			{
412			if (!isoper && flag_table[i].oper)
413			continue;
414
415			ircsprintf(setflags, "%s %s", setflags,
416			flag_table[i].name);
417			}
418			}
419
420			if (IsOper(client_p) && IsOperN(client_p))
421			{
422			if (!(client_p->umodes & UMODE_NCHANGE))
423			{
424			ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
425			}
426			}
427
428			return setflags;
429			}