ermyth/src/privs.C

/*
 * privs.C: Services operator privileges
 *
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 * Rights to this code are as documented in COPYING.
 *
 *
 * Portions of this file were derived from sources bearing the following license:
 * Rights to this code are documented in doc/pod/license.pod.
 * Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
 */

static char const rcsid[] = "$Id: privs.C,v 1.6 2007-09-16 18:54:45 pippijn Exp $";

#include <boost/foreach.hpp>

#include "atheme.h"
#include <account/myuser.h>
#include "privs.h"

operclass_t::list_type operclass_t::list;
soper_t::list_type soper_t::list;

void
init_privs (void)
{
#if 0
  operclass_heap = BlockHeapCreate (sizeof (operclass_t), 2);
  soper_heap = BlockHeapCreate (sizeof (soper_t), 2);
#endif
}

/*************************
 * O P E R C L A S S E S *
 *************************/
operclass_t *
operclass_add (char *name, char const *privs)
{
  operclass_t *operclass;

  operclass = operclass_find (name);
  if (operclass != NULL)
    {
      slog (LG_DEBUG, "operclass_add(): duplicate class %s", name);
      return NULL;
    }
  slog (LG_DEBUG, "operclass_add(): %s [%s]", name, privs);
  operclass = new operclass_t;
  operclass_t::list.insert (operclass);
  operclass->name = sstrdup (name);
  operclass->privs = sstrdup (privs);
  cnt.operclass++;

  foreach (soper_t *soper, soper_t::list)
    if (soper->operclass == NULL && !strcasecmp (name, soper->classname))
      soper->operclass = operclass;

  return operclass;
}

void
operclass_delete (operclass_t *operclass)
{
  if (operclass == NULL)
    return;
  slog (LG_DEBUG, "operclass_delete(): %s", operclass->name);

  operclass_t::list.erase (operclass);

  foreach (soper_t *soper, soper_t::list)
    if (soper->operclass == operclass)
      soper->operclass = NULL;

  sfree (operclass->name);
  sfree (operclass->privs);
  delete operclass;
  cnt.operclass--;
}

operclass_t *
operclass_find (char const * const name)
{
  foreach (operclass_t *oc, operclass_t::list)
    if (!strcasecmp (oc->name, name))
      return oc;

  return NULL;
}

void
operclass_cleanup ()
{
  while (!operclass_t::list.empty ())
    operclass_delete (operclass_t::list.back ());
}

/***************
 * S O P E R S *
 ***************/

soper_t *
soper_add (char *name, char *classname, int flags)
{
  soper_t *soper;
  myuser_t *mu = myuser_t::find (name);
  operclass_t *operclass = operclass_find (classname);

  soper = mu ? soper_find (mu) : soper_find_named (name);
  if (soper != NULL)
    {
      if (flags & SOPER_CONF && !(soper->flags & SOPER_CONF))
        {
          slog (LG_INFO, "soper_add(): conf soper %s (%s) is replacing DB soper with class %s", name, classname, soper->classname);
          soper_delete (soper);
        }
      else if (!(flags & SOPER_CONF) && soper->flags & SOPER_CONF)
        {
          slog (LG_INFO, "soper_add(): ignoring DB soper %s (%s) because of conf soper with class %s", name, classname, soper->classname);
          return NULL;
        }
      else
        {
          slog (LG_INFO, "soper_add(): duplicate soper %s", name);
          return NULL;
        }
    }
  slog (LG_DEBUG, "soper_add(): %s -> %s", (mu) ? mu->name : name, operclass ? operclass->name : "<null>");

  soper = new soper_t;

  soper_t::list.insert (soper);

  if (mu)
    {
      soper->myuser = mu;
      mu->soper = soper;
      soper->name = NULL;
    }
  else
    {
      soper->name = sstrdup (name);
      soper->myuser = NULL;
    }
  soper->operclass = operclass;
  soper->classname = sstrdup (classname);
  soper->flags = flags;

  cnt.soper++;

  return soper;
}

void
soper_delete (soper_t *soper)
{
  if (!soper)
    {
      slog (LG_DEBUG, "soper_delete(): called for null soper");

      return;
    }

  slog (LG_DEBUG, "soper_delete(): %s", (soper->myuser) ? soper->myuser->name : soper->name);

  soper_t::list.erase (soper);

  if (soper->myuser)
    soper->myuser->soper = NULL;

  if (soper->name)
    sfree (soper->name);

  sfree (soper->classname);

  delete soper;

  cnt.soper--;
}

soper_t *
soper_find (myuser_t *myuser)
{
  foreach (soper_t *soper, soper_t::list)
    if (soper->myuser && soper->myuser == myuser)
      return soper;

  return NULL;
}

soper_t *
soper_find_named (char *name)
{
  foreach (soper_t *so, soper_t::list)
    if (so->name && !irccasecmp (so->name, name))
      return so;

  return NULL;
}

void
soper_cleanup ()
{
  while (!soper_t::list.empty ())
    soper_delete (soper_t::list.back ());
}

bool
is_soper (myuser_t *myuser)
{
  if (!myuser)
    return false;

  if (myuser->soper)
    return true;

  return false;
}

bool
is_conf_soper (myuser_t *myuser)
{
  if (!myuser)
    return false;

  if (myuser->soper && myuser->soper->flags & SOPER_CONF)
    return true;

  return false;
}

/* name1 name2 name3... */
static bool
string_in_list (char const * const str, char const * const name)
{
  char *p;
  char const *s = str;
  int l;

  if (s == NULL)
    return false;
  l = strlen (name);
  while (*s != '\0')
    {
      p = strchr (s, ' ');
      if (p != NULL ? p - s == l && !strncasecmp (s, name, p - s) : !strcasecmp (s, name))
        return true;
      if (p == NULL)
        return false;
      s = p;
      while (*s == ' ')
        s++;
    }
  return false;
}

bool
has_any_privs (sourceinfo_t *si)
{
  if (si->su != NULL && is_ircop (si->su))
    return true;
  if (si->smu && is_soper (si->smu))
    return true;
  return false;
}

bool
has_any_privs_user (user_t *u)
{
  if (u == NULL)
    return false;
  if (is_ircop (u))
    return true;
  if (u->myuser && is_soper (u->myuser))
    return true;
  return false;
}

bool
has_priv (sourceinfo_t *si, char const * const priv)
{
  return si->su != NULL ? has_priv_user (si->su, priv) : has_priv_myuser (si->smu, priv);
}

bool
has_priv_user (user_t *u, char const * const priv)
{
  operclass_t *operclass;

  if (priv == NULL)
    return true;
  if (u == NULL)
    return false;
  if (is_ircop (u))
    {
      operclass = operclass_find ("ircop");
      if (operclass != NULL && string_in_list (operclass->privs, priv))
        return true;
    }
  if (u->myuser && is_soper (u->myuser))
    {
      operclass = u->myuser->soper->operclass;
      if (operclass == NULL)
        return false;
      if (operclass->flags & OPERCLASS_NEEDOPER && !is_ircop (u))
        return false;
      if (string_in_list (operclass->privs, priv))
        return true;
    }
  return false;
}

bool
has_priv_myuser (myuser_t *mu, char const * const priv)
{
  operclass_t *operclass;

  if (priv == NULL)
    return true;
  if (mu == NULL)
    return false;
  if (!is_soper (mu))
    return false;
  operclass = mu->soper->operclass;
  if (operclass == NULL)
    return false;
  if (string_in_list (operclass->privs, priv))
    return true;
  return false;
}

bool
has_priv_operclass (operclass_t *operclass, char const * const priv)
{
  if (operclass == NULL)
    return false;
  if (string_in_list (operclass->privs, priv))
    return true;
  return false;
}

bool
has_all_operclass (sourceinfo_t *si, operclass_t *operclass)
{
  char *privs2;
  char *priv;

  privs2 = sstrdup (operclass->privs);
  priv = strtok (privs2, " ");
  while (priv != NULL)
    {
      if (!has_priv (si, priv))
        {
          sfree (privs2);
          return false;
        }
      priv = strtok (NULL, " ");
    }
  sfree (privs2);
  return true;
}
Revision:	1.7
Committed:	Sat Sep 22 14:27:30 2007 UTC (18 years, 11 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.6:	+37 -54 lines
Log Message:	split up ermyth into ermyth-modules, libermyth (currently just ermyth-util) and ermyth-core
#	User	Rev	Content
1	pippijn	1.1	/*
2			* privs.C: Services operator privileges
3	pippijn	1.6	*
4			* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
5			* Rights to this code are as documented in COPYING.
6			*
7			*
8			* Portions of this file were derived from sources bearing the following license:
9	pippijn	1.2	* Rights to this code are documented in doc/pod/license.pod.
10	pippijn	1.4	* Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
11	pippijn	1.1	*/
12
13	pippijn	1.7	static char const rcsid[] = "$Id: privs.C,v 1.6 2007-09-16 18:54:45 pippijn Exp $";
14
15			#include <boost/foreach.hpp>
16	pippijn	1.1
17			#include "atheme.h"
18			#include <account/myuser.h>
19			#include "privs.h"
20
21	pippijn	1.7	operclass_t::list_type operclass_t::list;
22			soper_t::list_type soper_t::list;
23	pippijn	1.1
24			void
25			init_privs (void)
26			{
27	pippijn	1.4	#if 0
28	pippijn	1.1	operclass_heap = BlockHeapCreate (sizeof (operclass_t), 2);
29			soper_heap = BlockHeapCreate (sizeof (soper_t), 2);
30	pippijn	1.4	#endif
31	pippijn	1.1	}
32
33			/*************************
34			* O P E R C L A S S E S *
35			*************************/
36			operclass_t *
37			operclass_add (char name, char const privs)
38			{
39			operclass_t *operclass;
40
41			operclass = operclass_find (name);
42			if (operclass != NULL)
43			{
44			slog (LG_DEBUG, "operclass_add(): duplicate class %s", name);
45			return NULL;
46			}
47			slog (LG_DEBUG, "operclass_add(): %s [%s]", name, privs);
48	pippijn	1.4	operclass = new operclass_t;
49	pippijn	1.7	operclass_t::list.insert (operclass);
50	pippijn	1.1	operclass->name = sstrdup (name);
51			operclass->privs = sstrdup (privs);
52			cnt.operclass++;
53	pippijn	1.7
54			foreach (soper_t *soper, soper_t::list)
55	pippijn	1.1	if (soper->operclass == NULL && !strcasecmp (name, soper->classname))
56			soper->operclass = operclass;
57	pippijn	1.7
58	pippijn	1.1	return operclass;
59			}
60
61			void
62			operclass_delete (operclass_t *operclass)
63			{
64			if (operclass == NULL)
65			return;
66			slog (LG_DEBUG, "operclass_delete(): %s", operclass->name);
67	pippijn	1.7
68			operclass_t::list.erase (operclass);
69
70			foreach (soper_t *soper, soper_t::list)
71	pippijn	1.1	if (soper->operclass == operclass)
72			soper->operclass = NULL;
73	pippijn	1.7
74	pippijn	1.4	sfree (operclass->name);
75			sfree (operclass->privs);
76			delete operclass;
77	pippijn	1.1	cnt.operclass--;
78			}
79
80			operclass_t *
81	pippijn	1.4	operclass_find (char const * const name)
82	pippijn	1.1	{
83	pippijn	1.7	foreach (operclass_t *oc, operclass_t::list)
84			if (!strcasecmp (oc->name, name))
85			return oc;
86	pippijn	1.1
87	pippijn	1.7	return NULL;
88			}
89	pippijn	1.1
90	pippijn	1.7	void
91			operclass_cleanup ()
92			{
93			while (!operclass_t::list.empty ())
94			operclass_delete (operclass_t::list.back ());
95	pippijn	1.1	}
96
97			/***************
98			* S O P E R S *
99			***************/
100
101			soper_t *
102			soper_add (char name, char classname, int flags)
103			{
104			soper_t *soper;
105	pippijn	1.5	myuser_t *mu = myuser_t::find (name);
106	pippijn	1.1	operclass_t *operclass = operclass_find (classname);
107
108			soper = mu ? soper_find (mu) : soper_find_named (name);
109			if (soper != NULL)
110			{
111			if (flags & SOPER_CONF && !(soper->flags & SOPER_CONF))
112			{
113			slog (LG_INFO, "soper_add(): conf soper %s (%s) is replacing DB soper with class %s", name, classname, soper->classname);
114			soper_delete (soper);
115			}
116			else if (!(flags & SOPER_CONF) && soper->flags & SOPER_CONF)
117			{
118			slog (LG_INFO, "soper_add(): ignoring DB soper %s (%s) because of conf soper with class %s", name, classname, soper->classname);
119			return NULL;
120			}
121			else
122			{
123			slog (LG_INFO, "soper_add(): duplicate soper %s", name);
124			return NULL;
125			}
126			}
127			slog (LG_DEBUG, "soper_add(): %s -> %s", (mu) ? mu->name : name, operclass ? operclass->name : "<null>");
128
129	pippijn	1.4	soper = new soper_t;
130	pippijn	1.1
131	pippijn	1.7	soper_t::list.insert (soper);
132	pippijn	1.1
133			if (mu)
134			{
135			soper->myuser = mu;
136			mu->soper = soper;
137			soper->name = NULL;
138			}
139			else
140			{
141			soper->name = sstrdup (name);
142			soper->myuser = NULL;
143			}
144			soper->operclass = operclass;
145			soper->classname = sstrdup (classname);
146			soper->flags = flags;
147
148			cnt.soper++;
149
150			return soper;
151			}
152
153			void
154			soper_delete (soper_t *soper)
155			{
156			if (!soper)
157			{
158			slog (LG_DEBUG, "soper_delete(): called for null soper");
159
160			return;
161			}
162
163			slog (LG_DEBUG, "soper_delete(): %s", (soper->myuser) ? soper->myuser->name : soper->name);
164
165	pippijn	1.7	soper_t::list.erase (soper);
166	pippijn	1.1
167			if (soper->myuser)
168			soper->myuser->soper = NULL;
169
170			if (soper->name)
171	pippijn	1.4	sfree (soper->name);
172	pippijn	1.1
173	pippijn	1.4	sfree (soper->classname);
174	pippijn	1.1
175	pippijn	1.4	delete soper;
176	pippijn	1.1
177			cnt.soper--;
178			}
179
180			soper_t *
181			soper_find (myuser_t *myuser)
182			{
183	pippijn	1.7	foreach (soper_t *soper, soper_t::list)
184	pippijn	1.1	if (soper->myuser && soper->myuser == myuser)
185			return soper;
186
187			return NULL;
188			}
189
190			soper_t *
191			soper_find_named (char *name)
192			{
193	pippijn	1.7	foreach (soper_t *so, soper_t::list)
194			if (so->name && !irccasecmp (so->name, name))
195			return so;
196	pippijn	1.1
197	pippijn	1.7	return NULL;
198			}
199	pippijn	1.1
200	pippijn	1.7	void
201			soper_cleanup ()
202			{
203			while (!soper_t::list.empty ())
204			soper_delete (soper_t::list.back ());
205	pippijn	1.1	}
206
207			bool
208			is_soper (myuser_t *myuser)
209			{
210			if (!myuser)
211			return false;
212
213			if (myuser->soper)
214			return true;
215
216			return false;
217			}
218
219			bool
220			is_conf_soper (myuser_t *myuser)
221			{
222			if (!myuser)
223			return false;
224
225			if (myuser->soper && myuser->soper->flags & SOPER_CONF)
226			return true;
227
228			return false;
229			}
230
231			/* name1 name2 name3... */
232			static bool
233	pippijn	1.4	string_in_list (char const * const str, char const * const name)
234	pippijn	1.1	{
235			char *p;
236	pippijn	1.4	char const *s = str;
237	pippijn	1.1	int l;
238
239	pippijn	1.4	if (s == NULL)
240	pippijn	1.1	return false;
241			l = strlen (name);
242	pippijn	1.4	while (*s != '\0')
243	pippijn	1.1	{
244	pippijn	1.4	p = strchr (s, ' ');
245			if (p != NULL ? p - s == l && !strncasecmp (s, name, p - s) : !strcasecmp (s, name))
246	pippijn	1.1	return true;
247			if (p == NULL)
248			return false;
249	pippijn	1.4	s = p;
250			while (*s == ' ')
251			s++;
252	pippijn	1.1	}
253			return false;
254			}
255
256			bool
257			has_any_privs (sourceinfo_t *si)
258			{
259			if (si->su != NULL && is_ircop (si->su))
260			return true;
261			if (si->smu && is_soper (si->smu))
262			return true;
263			return false;
264			}
265
266			bool
267			has_any_privs_user (user_t *u)
268			{
269			if (u == NULL)
270			return false;
271			if (is_ircop (u))
272			return true;
273			if (u->myuser && is_soper (u->myuser))
274			return true;
275			return false;
276			}
277
278			bool
279	pippijn	1.4	has_priv (sourceinfo_t si, char const const priv)
280	pippijn	1.1	{
281			return si->su != NULL ? has_priv_user (si->su, priv) : has_priv_myuser (si->smu, priv);
282			}
283
284			bool
285	pippijn	1.4	has_priv_user (user_t u, char const const priv)
286	pippijn	1.1	{
287			operclass_t *operclass;
288
289			if (priv == NULL)
290			return true;
291			if (u == NULL)
292			return false;
293			if (is_ircop (u))
294			{
295			operclass = operclass_find ("ircop");
296			if (operclass != NULL && string_in_list (operclass->privs, priv))
297			return true;
298			}
299			if (u->myuser && is_soper (u->myuser))
300			{
301			operclass = u->myuser->soper->operclass;
302			if (operclass == NULL)
303			return false;
304			if (operclass->flags & OPERCLASS_NEEDOPER && !is_ircop (u))
305			return false;
306			if (string_in_list (operclass->privs, priv))
307			return true;
308			}
309			return false;
310			}
311
312			bool
313	pippijn	1.4	has_priv_myuser (myuser_t mu, char const const priv)
314	pippijn	1.1	{
315			operclass_t *operclass;
316
317			if (priv == NULL)
318			return true;
319			if (mu == NULL)
320			return false;
321			if (!is_soper (mu))
322			return false;
323			operclass = mu->soper->operclass;
324			if (operclass == NULL)
325			return false;
326			if (string_in_list (operclass->privs, priv))
327			return true;
328			return false;
329			}
330
331			bool
332	pippijn	1.4	has_priv_operclass (operclass_t operclass, char const const priv)
333	pippijn	1.1	{
334			if (operclass == NULL)
335			return false;
336			if (string_in_list (operclass->privs, priv))
337			return true;
338			return false;
339			}
340
341			bool
342			has_all_operclass (sourceinfo_t si, operclass_t operclass)
343			{
344			char *privs2;
345			char *priv;
346
347			privs2 = sstrdup (operclass->privs);
348			priv = strtok (privs2, " ");
349			while (priv != NULL)
350			{
351			if (!has_priv (si, priv))
352			{
353	pippijn	1.4	sfree (privs2);
354	pippijn	1.1	return false;
355			}
356			priv = strtok (NULL, " ");
357			}
358	pippijn	1.4	sfree (privs2);
359	pippijn	1.1	return true;
360			}