modules/rpc/xmlrpc.C

/*
 * xmlrpc.C: New xmlrpc implementation
 *
 * 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:
 * Copyright © 2005-2006 Jilles Tjoelker et al.
 * Rights to this code are as documented in doc/pod/license.pod.
 *
 * $Id: xmlrpc.C,v 1.7 2007-09-16 18:54:44 pippijn Exp $
 */

#include "atheme.h"
#include <libermyth.h>
#include <ermyth/module.h>
#include <account/myuser.h>
#include "datastream.h"
#include "authcookie.h"
#include "connection.h"
#include "confparse.h"

#include "httpd.h"

#include "xml/rpc.h"

static char const rcsid[] = "$Id: xmlrpc.C,v 1.7 2007-09-16 18:54:44 pippijn Exp $";

static void on_config_ready (void);

REGISTER_MODULE ("rpc/xmlrpc", false, "The Ermyth Team <http://ermyth.one09.net>");

static void handle_request (connection_t *cptr, void *requestbuf);

connection_t *current_cptr;     /* XXX: Hack: xml/rpc.c requires us to do this */

E pathvec pathhandlers;

static void xmlrpc_command_fail (sourceinfo_t *si, fault::code code, char const *message);
static void xmlrpc_command_success_nodata (sourceinfo_t *si, char const *message);
static void xmlrpc_command_success_string (sourceinfo_t *si, char const *result, char const *message);

static int xmlrpcmethod_login (void *conn, int parc, char *parv[]);
static int xmlrpcmethod_logout (void *conn, int parc, char *parv[]);
static int xmlrpcmethod_command (void *conn, int parc, char *parv[]);

/* Configuration */
ConfTable::list_type conf_xmlrpc_table;

path_handler_t handle_xmlrpc = {
  NULL,
  handle_request
};

static int
conf_xmlrpc_path (config_entry_t * ce)
{
  if (!ce->valid ())
    return -1;

  if (handle_xmlrpc.path != NULL)
    {
      if (!strcmp (handle_xmlrpc.path, ce->vardata<char *> ()))
        return 0;
      sfree (handle_xmlrpc.path);
    }
  handle_xmlrpc.path = sstrdup (ce->vardata<char *> ());

  return 0;
}

static int
conf_xmlrpc (config_entry_t * ce)
{
  subblock_handler (ce, conf_xmlrpc_table);
  return 0;
}

struct sourceinfo_vtable xmlrpc_vtable = {
  "xmlrpc",
  xmlrpc_command_fail,
  xmlrpc_command_success_nodata,
  xmlrpc_command_success_string
};

static char *
dump_buffer (char *buf, int length)
{
  httpddata *hd;
  char buf1[300];

  hd = static_cast<httpddata *> (current_cptr->userdata);
  snprintf (buf1, sizeof buf1, "HTTP/1.1 200 OK\r\n"
                               "%s" // connection_close
                               "Server: " PACKAGE_NAME "/%s\r\n" // version
                               "Content-Type: text/xml\r\n"
                               "Content-Length: %d\r\n\r\n", // length
                               hd->connection_close ? "Connection: close\r\n" : "", version, length);
  sendq_add (current_cptr, buf1, strlen (buf1));
  sendq_add (current_cptr, buf, length);
  if (hd->connection_close)
    sendq_add_eof (current_cptr);
  return buf;
}

static void
handle_request (connection_t *cptr, void *requestbuf)
{
  current_cptr = cptr;
  xmlrpc_process (static_cast<char *> (requestbuf), cptr);
  current_cptr = NULL;

  return;
}

static void
on_config_ready (void)
{
  if (handle_xmlrpc.handler != NULL)
    {
      if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
          != pathhandlers.end ())
        {
          slog (LG_INFO, "xmlrpc/main.C: handler already in the list");
          return;
        }

      pathhandlers.push_back (handle_xmlrpc);
    }
  else
    slog (LG_ERROR, "on_config_ready (): xmlrpc { } block missing or invalid");
}

static void
xmlrpc_command_fail (sourceinfo_t *si, fault::code code, char const *message)
{
  connection_t *cptr;
  httpddata *hd;
  char newmessage[256];
  int i;
  char const *p;

  cptr = si->connection;
  hd = static_cast<httpddata *> (cptr->userdata);
  if (hd->sent_reply)
    return;
  i = 0, p = message;
  while (i < 255 && *p != '\0')
    if (*p > '\0' && *p < ' ')
      p++;
    else
      newmessage[i++] = *p, p++;
  newmessage[i] = '\0';
  xmlrpc_generic_error (code, newmessage);
  hd->sent_reply = true;
}

static void
xmlrpc_command_success_nodata (sourceinfo_t *si, char const *message)
{
  char *p;
  char const *q;
  size_t msglen;
  connection_t *cptr;
  httpddata *hd;

  cptr = si->connection;
  hd = static_cast<httpddata *> (cptr->userdata);

  msglen = strlen (message);

  if (hd->sent_reply)
    return;

  if (hd->replybuf == NULL)
    {
      hd->replybuf = salloc<char> (msglen + 1);
      p = hd->replybuf;
    }
  else
    {
      size_t replybuf_len = strlen (hd->replybuf);
      hd->replybuf = salloc (replybuf_len + msglen + 2, hd->replybuf);
      p = hd->replybuf + replybuf_len;
      *p++ = '\n';
    }

  q = message;

  /* What this code does is the following:
   *   - set *p to *q
   *   - increment q (go to the next character in q
   *   - if *p is below 0x1f (the space character ' '), then
   *       do not increment p
   *     if *p is above or the same as the space character, then
   *       do increment p
   *
   * This incrementing/not incrementing effectively skips any character below the
   * space character, as by not incrementing p, *p gets overwritten in the next cycle.
   */
  while (msglen--)
    {
      *p = *q++;
      p += !!(*p & ~0x1f);
    }

  *p = '\0';
}

static void
xmlrpc_command_success_string (sourceinfo_t *si, char const *result, char const *message)
{
  connection_t *cptr;
  httpddata *hd;
  char buf[XMLRPC_BUFSIZE];

  cptr = si->connection;
  hd = static_cast<httpddata *> (cptr->userdata);
  if (hd->sent_reply)
    return;
  xmlrpc_string (buf, result);
  xmlrpc_send (1, buf);
  hd->sent_reply = true;
}

/* These taken from the old modules/xmlrpc/account.c */
/*
 * ermyth.login
 *
 * XML Inputs:
 *       account name, password, source ip (optional)
 *
 * XML Outputs:
 *       fault 1 - insufficient parameters
 *       fault 3 - account is not registered
 *       fault 5 - invalid username and password
 *       fault 6 - account is frozen
 *       default - success (authcookie)
 *
 * Side Effects:
 *       an authcookie ticket is created for the myuser_t.
 *       the user's lastlogin is updated
 */
static int
xmlrpcmethod_login (void *conn, int parc, char *parv[])
{
  myuser_t *mu;
  authcookie_t *ac;
  char buf[BUFSIZE];
  char const *sourceip;
  connection_t *cptr = static_cast<connection_t *> (conn);

  if (parc < 2)
    {
      xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
      return 0;
    }

  sourceip = parc >= 3 && *parv[2] != '\0' ? parv[2] : NULL;

  if (!(mu = myuser_t::find (parv[0])))
    {
      xmlrpc_generic_error (fault::nosuch_source, "The account is not registered.");
      return 0;
    }

  if (mu->find_metadata ("private:freeze:freezer") != NULL)
    {
      logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (frozen)", mu->name);
      xmlrpc_generic_error (fault::noprivs, "The account has been frozen.");
      return 0;
    }

  if (!mu->verify_password (parv[1]))
    {
      logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (bad password)", mu->name);
      xmlrpc_generic_error (fault::authfail, "The password is not valid for this account.");
      return 0;
    }

  mu->lastlogin = NOW;

  ac = authcookie_create (mu);

  logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, mu, CMDLOG_LOGIN, "LOGIN");

  xmlrpc_string (buf, ac->ticket);
  xmlrpc_send (1, buf);

  return 0;
}

/*
 * ermyth.logout
 *
 * XML inputs:
 *       authcookie, and account name.
 *
 * XML outputs:
 *       fault 1 - insufficient parameters
 *       fault 3 - unknown user
 *       fault 5 - validation failed
 *       default - success message
 *
 * Side Effects:
 *       an authcookie ticket is destroyed.
 */
static int
xmlrpcmethod_logout (void *conn, int parc, char *parv[])
{
  authcookie_t *ac;
  myuser_t *mu;
  char buf[XMLRPC_BUFSIZE];
  connection_t *cptr = static_cast<connection_t *> (conn);

  if (parc < 2)
    {
      xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
      return 0;
    }

  if ((mu = myuser_t::find (parv[1])) == NULL)
    {
      xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
      return 0;
    }

  if (authcookie_validate (parv[0], mu) == false)
    {
      xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
      return 0;
    }

  logcommand_external (nicksvs.me, "xmlrpc", cptr, NULL, mu, CMDLOG_LOGIN, "LOGOUT");

  ac = authcookie_find (parv[0], mu);
  authcookie_destroy (ac);

  xmlrpc_string (buf, "You are now logged out.");
  xmlrpc_send (1, buf);

  return 0;
}

/*
 * ermyth.command
 *
 * XML inputs:
 *       authcookie, account name, source ip, service name, command name,
 *       parameters.
 *
 * XML outputs:
 *       depends on command
 *
 * Side Effects:
 *       command is executed
 */
static int
xmlrpcmethod_command (void *conn, int parc, char *parv[])
{
  myuser_t *mu;
  service_t *svs;
  command_t const *cmd;
  sourceinfo_t si;
  int newparc;
  char *newparv[20];
  connection_t *cptr = static_cast<connection_t *> (conn);
  httpddata *hd = static_cast<httpddata *> (cptr->userdata);
  char buf[XMLRPC_BUFSIZE];
  int i;

  if (parc < 5)
    {
      xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
      return 0;
    }

  for (i = 0; i < parc; i++)
    {
      if (strchr (parv[i], '\r') || strchr (parv[i], '\n'))
        {
          xmlrpc_generic_error (fault::badparams, "Invalid parameters.");
          return 0;
        }
    }

  if (*parv[1] != '\0' && strlen (parv[0]) > 1)
    {
      if ((mu = myuser_t::find (parv[1])) == NULL)
        {
          xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
          return 0;
        }

      if (authcookie_validate (parv[0], mu) == false)
        {
          xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
          return 0;
        }
    }
  else
    mu = NULL;

  svs = find_service (parv[3]);
  if (svs == NULL || svs->cmdtree == NULL)
    {
      slog (LG_DEBUG, "xmlrpcmethod_command(): invalid service %s", parv[3]);
      xmlrpc_generic_error (fault::nosuch_source, "Invalid service name.");
      return 0;
    }
  cmd = svs->cmdtree->find (parv[4]);
  if (cmd == NULL)
    {
      xmlrpc_generic_error (fault::nosuch_source, "Invalid command name.");
      return 0;
    }

  memset (newparv, '\0', sizeof newparv);
  newparc = parc - 5;
  if (newparc > 20)
    newparc = 20;
  if (newparc > 0)
    memcpy (newparv, parv + 5, newparc * sizeof (parv[0]));
  memset (&si, '\0', sizeof si);
  si.smu = mu;
  si.service = svs;
  si.sourcedesc = parv[2][0] != '\0' ? parv[2] : NULL;
  si.connection = cptr;
  si.v = &xmlrpc_vtable;
  cmd->exec (svs, &si, newparc, newparv);
  if (!hd->sent_reply)
    {
      if (hd->replybuf != NULL)
        {
          xmlrpc_string (buf, hd->replybuf);
          xmlrpc_send (1, buf);
        }
      else
        xmlrpc_generic_error (fault::unimplemented, "Command did not return a result.");
    }

  return 0;
}

bool
_modinit (module *m)
{
  ConfTable::callback.ready.attach (on_config_ready);

  add_top_conf ("XMLRPC", conf_xmlrpc);
  add_conf_item ("PATH", conf_xmlrpc_table, conf_xmlrpc_path);

  xmlrpc_set_buffer (dump_buffer);
  xmlrpc_register_method (PACKAGE_NAME ".login", xmlrpcmethod_login);
  xmlrpc_register_method (PACKAGE_NAME ".logout", xmlrpcmethod_logout);
  xmlrpc_register_method (PACKAGE_NAME ".command", xmlrpcmethod_command);

  return true;
}

void
_moddeinit (void)
{
  xmlrpc_unregister_method (PACKAGE_NAME ".login");
  xmlrpc_unregister_method (PACKAGE_NAME ".logout");
  xmlrpc_unregister_method (PACKAGE_NAME ".command");

  if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
      == pathhandlers.end ())
    {
      slog (LG_INFO, "xmlrpc/main.c: handler was not registered.");
      return;
    }
  
  pathhandlers.erase (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path)));

  del_conf_item ("PATH", conf_xmlrpc_table);
  del_top_conf ("XMLRPC");
  if (handle_xmlrpc.path != NULL)
    sfree (handle_xmlrpc.path);
  handle_xmlrpc.path = NULL;

  ConfTable::callback.ready.detach (on_config_ready);
}
Revision:	1.8
Committed:	Sat Sep 22 14:27:28 2007 UTC (19 years ago) by pippijn
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.7:	+3 -2 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	pippijn	1.7	* xmlrpc.C: New xmlrpc implementation
3			*
4	pippijn	1.1	* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
5	pippijn	1.7	* 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	1.1	* Copyright © 2005-2006 Jilles Tjoelker et al.
10	pippijn	1.2	* Rights to this code are as documented in doc/pod/license.pod.
11	pippijn	1.1	*
12	pippijn	1.8	* $Id: xmlrpc.C,v 1.7 2007-09-16 18:54:44 pippijn Exp $
13	pippijn	1.1	*/
14
15			#include "atheme.h"
16	pippijn	1.8	#include <libermyth.h>
17	pippijn	1.3	#include <ermyth/module.h>
18	pippijn	1.1	#include <account/myuser.h>
19			#include "datastream.h"
20			#include "authcookie.h"
21			#include "connection.h"
22			#include "confparse.h"
23
24			#include "httpd.h"
25
26			#include "xml/rpc.h"
27
28	pippijn	1.8	static char const rcsid[] = "$Id: xmlrpc.C,v 1.7 2007-09-16 18:54:44 pippijn Exp $";
29	pippijn	1.1
30	pippijn	1.3	static void on_config_ready (void);
31	pippijn	1.1
32	pippijn	1.3	REGISTER_MODULE ("rpc/xmlrpc", false, "The Ermyth Team <http://ermyth.one09.net>");
33	pippijn	1.1
34	pippijn	1.3	static void handle_request (connection_t cptr, void requestbuf);
35	pippijn	1.1
36	pippijn	1.3	connection_t current_cptr; / XXX: Hack: xml/rpc.c requires us to do this */
37	pippijn	1.1
38	pippijn	1.3	E pathvec pathhandlers;
39	pippijn	1.1
40	pippijn	1.5	static void xmlrpc_command_fail (sourceinfo_t si, fault::code code, char const message);
41	pippijn	1.1	static void xmlrpc_command_success_nodata (sourceinfo_t si, char const message);
42			static void xmlrpc_command_success_string (sourceinfo_t si, char const result, char const *message);
43
44			static int xmlrpcmethod_login (void conn, int parc, char parv[]);
45			static int xmlrpcmethod_logout (void conn, int parc, char parv[]);
46			static int xmlrpcmethod_command (void conn, int parc, char parv[]);
47
48			/* Configuration */
49	pippijn	1.6	ConfTable::list_type conf_xmlrpc_table;
50	pippijn	1.1
51	pippijn	1.3	path_handler_t handle_xmlrpc = {
52			NULL,
53			handle_request
54			};
55
56	pippijn	1.1	static int
57			conf_xmlrpc_path (config_entry_t * ce)
58			{
59	pippijn	1.4	if (!ce->valid ())
60	pippijn	1.1	return -1;
61
62	pippijn	1.3	if (handle_xmlrpc.path != NULL)
63			{
64	pippijn	1.4	if (!strcmp (handle_xmlrpc.path, ce->vardata<char *> ()))
65	pippijn	1.3	return 0;
66			sfree (handle_xmlrpc.path);
67			}
68	pippijn	1.4	handle_xmlrpc.path = sstrdup (ce->vardata<char *> ());
69	pippijn	1.1
70			return 0;
71			}
72
73			static int
74			conf_xmlrpc (config_entry_t * ce)
75			{
76	pippijn	1.6	subblock_handler (ce, conf_xmlrpc_table);
77	pippijn	1.1	return 0;
78			}
79
80			struct sourceinfo_vtable xmlrpc_vtable = {
81			"xmlrpc",
82			xmlrpc_command_fail,
83			xmlrpc_command_success_nodata,
84			xmlrpc_command_success_string
85			};
86
87			static char *
88			dump_buffer (char *buf, int length)
89			{
90			httpddata *hd;
91			char buf1[300];
92
93			hd = static_cast<httpddata *> (current_cptr->userdata);
94	pippijn	1.3	snprintf (buf1, sizeof buf1, "HTTP/1.1 200 OK\r\n"
95			"%s" // connection_close
96			"Server: " PACKAGE_NAME "/%s\r\n" // version
97			"Content-Type: text/xml\r\n"
98			"Content-Length: %d\r\n\r\n", // length
99			hd->connection_close ? "Connection: close\r\n" : "", version, length);
100	pippijn	1.1	sendq_add (current_cptr, buf1, strlen (buf1));
101			sendq_add (current_cptr, buf, length);
102			if (hd->connection_close)
103			sendq_add_eof (current_cptr);
104			return buf;
105			}
106
107			static void
108			handle_request (connection_t cptr, void requestbuf)
109			{
110			current_cptr = cptr;
111			xmlrpc_process (static_cast<char *> (requestbuf), cptr);
112			current_cptr = NULL;
113
114			return;
115			}
116
117	pippijn	1.3	static void
118			on_config_ready (void)
119	pippijn	1.1	{
120			if (handle_xmlrpc.handler != NULL)
121			{
122	pippijn	1.3	if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
123			!= pathhandlers.end ())
124	pippijn	1.1	{
125			slog (LG_INFO, "xmlrpc/main.C: handler already in the list");
126			return;
127			}
128
129	pippijn	1.3	pathhandlers.push_back (handle_xmlrpc);
130	pippijn	1.1	}
131			else
132	pippijn	1.3	slog (LG_ERROR, "on_config_ready (): xmlrpc { } block missing or invalid");
133	pippijn	1.1	}
134
135			static void
136	pippijn	1.5	xmlrpc_command_fail (sourceinfo_t si, fault::code code, char const message)
137	pippijn	1.1	{
138			connection_t *cptr;
139			httpddata *hd;
140			char newmessage[256];
141			int i;
142			char const *p;
143
144			cptr = si->connection;
145			hd = static_cast<httpddata *> (cptr->userdata);
146			if (hd->sent_reply)
147			return;
148			i = 0, p = message;
149			while (i < 255 && *p != '\0')
150			if (p > '\0' && p < ' ')
151			p++;
152			else
153			newmessage[i++] = *p, p++;
154			newmessage[i] = '\0';
155			xmlrpc_generic_error (code, newmessage);
156			hd->sent_reply = true;
157			}
158
159			static void
160			xmlrpc_command_success_nodata (sourceinfo_t si, char const message)
161			{
162			char *p;
163			char const *q;
164			size_t msglen;
165			connection_t *cptr;
166			httpddata *hd;
167
168			cptr = si->connection;
169			hd = static_cast<httpddata *> (cptr->userdata);
170
171			msglen = strlen (message);
172
173			if (hd->sent_reply)
174			return;
175
176			if (hd->replybuf == NULL)
177			{
178	pippijn	1.5	hd->replybuf = salloc<char> (msglen + 1);
179	pippijn	1.1	p = hd->replybuf;
180			}
181			else
182			{
183			size_t replybuf_len = strlen (hd->replybuf);
184	pippijn	1.5	hd->replybuf = salloc (replybuf_len + msglen + 2, hd->replybuf);
185	pippijn	1.1	p = hd->replybuf + replybuf_len;
186			*p++ = '\n';
187			}
188
189			q = message;
190
191			/* What this code does is the following:
192			* - set p to q
193			* - increment q (go to the next character in q
194			* - if *p is below 0x1f (the space character ' '), then
195			* do not increment p
196			* if *p is above or the same as the space character, then
197			* do increment p
198			*
199			* This incrementing/not incrementing effectively skips any character below the
200			* space character, as by not incrementing p, *p gets overwritten in the next cycle.
201			*/
202			while (msglen--)
203			{
204			p = q++;
205			p += !!(*p & ~0x1f);
206			}
207
208			*p = '\0';
209			}
210
211			static void
212			xmlrpc_command_success_string (sourceinfo_t si, char const result, char const *message)
213			{
214			connection_t *cptr;
215			httpddata *hd;
216			char buf[XMLRPC_BUFSIZE];
217
218			cptr = si->connection;
219			hd = static_cast<httpddata *> (cptr->userdata);
220			if (hd->sent_reply)
221			return;
222			xmlrpc_string (buf, result);
223			xmlrpc_send (1, buf);
224			hd->sent_reply = true;
225			}
226
227			/* These taken from the old modules/xmlrpc/account.c */
228			/*
229			* ermyth.login
230			*
231			* XML Inputs:
232			* account name, password, source ip (optional)
233			*
234			* XML Outputs:
235			* fault 1 - insufficient parameters
236			* fault 3 - account is not registered
237			* fault 5 - invalid username and password
238			* fault 6 - account is frozen
239			* default - success (authcookie)
240			*
241			* Side Effects:
242			* an authcookie ticket is created for the myuser_t.
243			* the user's lastlogin is updated
244			*/
245			static int
246			xmlrpcmethod_login (void conn, int parc, char parv[])
247			{
248			myuser_t *mu;
249			authcookie_t *ac;
250			char buf[BUFSIZE];
251			char const *sourceip;
252			connection_t cptr = static_cast<connection_t > (conn);
253
254			if (parc < 2)
255			{
256	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
257	pippijn	1.1	return 0;
258			}
259
260			sourceip = parc >= 3 && *parv[2] != '\0' ? parv[2] : NULL;
261
262	pippijn	1.4	if (!(mu = myuser_t::find (parv[0])))
263	pippijn	1.1	{
264	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "The account is not registered.");
265	pippijn	1.1	return 0;
266			}
267
268			if (mu->find_metadata ("private:freeze:freezer") != NULL)
269			{
270			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (frozen)", mu->name);
271	pippijn	1.5	xmlrpc_generic_error (fault::noprivs, "The account has been frozen.");
272	pippijn	1.1	return 0;
273			}
274
275	pippijn	1.3	if (!mu->verify_password (parv[1]))
276	pippijn	1.1	{
277			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (bad password)", mu->name);
278	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "The password is not valid for this account.");
279	pippijn	1.1	return 0;
280			}
281
282			mu->lastlogin = NOW;
283
284			ac = authcookie_create (mu);
285
286			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, mu, CMDLOG_LOGIN, "LOGIN");
287
288			xmlrpc_string (buf, ac->ticket);
289			xmlrpc_send (1, buf);
290
291			return 0;
292			}
293
294			/*
295			* ermyth.logout
296			*
297			* XML inputs:
298			* authcookie, and account name.
299			*
300			* XML outputs:
301			* fault 1 - insufficient parameters
302			* fault 3 - unknown user
303			* fault 5 - validation failed
304			* default - success message
305			*
306			* Side Effects:
307			* an authcookie ticket is destroyed.
308			*/
309			static int
310			xmlrpcmethod_logout (void conn, int parc, char parv[])
311			{
312			authcookie_t *ac;
313			myuser_t *mu;
314			char buf[XMLRPC_BUFSIZE];
315			connection_t cptr = static_cast<connection_t > (conn);
316
317			if (parc < 2)
318			{
319	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
320	pippijn	1.1	return 0;
321			}
322
323	pippijn	1.4	if ((mu = myuser_t::find (parv[1])) == NULL)
324	pippijn	1.1	{
325	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
326	pippijn	1.1	return 0;
327			}
328
329			if (authcookie_validate (parv[0], mu) == false)
330			{
331	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
332	pippijn	1.1	return 0;
333			}
334
335			logcommand_external (nicksvs.me, "xmlrpc", cptr, NULL, mu, CMDLOG_LOGIN, "LOGOUT");
336
337			ac = authcookie_find (parv[0], mu);
338			authcookie_destroy (ac);
339
340			xmlrpc_string (buf, "You are now logged out.");
341			xmlrpc_send (1, buf);
342
343			return 0;
344			}
345
346			/*
347			* ermyth.command
348			*
349			* XML inputs:
350			* authcookie, account name, source ip, service name, command name,
351			* parameters.
352			*
353			* XML outputs:
354			* depends on command
355			*
356			* Side Effects:
357			* command is executed
358			*/
359			static int
360			xmlrpcmethod_command (void conn, int parc, char parv[])
361			{
362			myuser_t *mu;
363			service_t *svs;
364			command_t const *cmd;
365			sourceinfo_t si;
366			int newparc;
367			char *newparv[20];
368			connection_t cptr = static_cast<connection_t > (conn);
369			httpddata hd = static_cast<httpddata > (cptr->userdata);
370			char buf[XMLRPC_BUFSIZE];
371			int i;
372
373			if (parc < 5)
374			{
375	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
376	pippijn	1.1	return 0;
377			}
378
379			for (i = 0; i < parc; i++)
380			{
381			if (strchr (parv[i], '\r') \|\| strchr (parv[i], '\n'))
382			{
383	pippijn	1.5	xmlrpc_generic_error (fault::badparams, "Invalid parameters.");
384	pippijn	1.1	return 0;
385			}
386			}
387
388			if (*parv[1] != '\0' && strlen (parv[0]) > 1)
389			{
390	pippijn	1.4	if ((mu = myuser_t::find (parv[1])) == NULL)
391	pippijn	1.1	{
392	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
393	pippijn	1.1	return 0;
394			}
395
396			if (authcookie_validate (parv[0], mu) == false)
397			{
398	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
399	pippijn	1.1	return 0;
400			}
401			}
402			else
403			mu = NULL;
404
405			svs = find_service (parv[3]);
406			if (svs == NULL \|\| svs->cmdtree == NULL)
407			{
408			slog (LG_DEBUG, "xmlrpcmethod_command(): invalid service %s", parv[3]);
409	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Invalid service name.");
410	pippijn	1.1	return 0;
411			}
412			cmd = svs->cmdtree->find (parv[4]);
413			if (cmd == NULL)
414			{
415	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Invalid command name.");
416	pippijn	1.1	return 0;
417			}
418
419			memset (newparv, '\0', sizeof newparv);
420			newparc = parc - 5;
421			if (newparc > 20)
422			newparc = 20;
423			if (newparc > 0)
424			memcpy (newparv, parv + 5, newparc * sizeof (parv[0]));
425			memset (&si, '\0', sizeof si);
426			si.smu = mu;
427			si.service = svs;
428			si.sourcedesc = parv[2][0] != '\0' ? parv[2] : NULL;
429			si.connection = cptr;
430			si.v = &xmlrpc_vtable;
431			cmd->exec (svs, &si, newparc, newparv);
432			if (!hd->sent_reply)
433			{
434			if (hd->replybuf != NULL)
435			{
436			xmlrpc_string (buf, hd->replybuf);
437			xmlrpc_send (1, buf);
438			}
439			else
440	pippijn	1.5	xmlrpc_generic_error (fault::unimplemented, "Command did not return a result.");
441	pippijn	1.1	}
442
443			return 0;
444			}
445
446	pippijn	1.3	bool
447			_modinit (module *m)
448	pippijn	1.1	{
449	pippijn	1.3	ConfTable::callback.ready.attach (on_config_ready);
450	pippijn	1.1
451			add_top_conf ("XMLRPC", conf_xmlrpc);
452	pippijn	1.6	add_conf_item ("PATH", conf_xmlrpc_table, conf_xmlrpc_path);
453	pippijn	1.1
454			xmlrpc_set_buffer (dump_buffer);
455			xmlrpc_register_method (PACKAGE_NAME ".login", xmlrpcmethod_login);
456			xmlrpc_register_method (PACKAGE_NAME ".logout", xmlrpcmethod_logout);
457			xmlrpc_register_method (PACKAGE_NAME ".command", xmlrpcmethod_command);
458	pippijn	1.3
459			return true;
460	pippijn	1.1	}
461
462			void
463			_moddeinit (void)
464			{
465			xmlrpc_unregister_method (PACKAGE_NAME ".login");
466			xmlrpc_unregister_method (PACKAGE_NAME ".logout");
467			xmlrpc_unregister_method (PACKAGE_NAME ".command");
468
469	pippijn	1.3	if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
470			== pathhandlers.end ())
471	pippijn	1.1	{
472			slog (LG_INFO, "xmlrpc/main.c: handler was not registered.");
473			return;
474			}
475
476	pippijn	1.3	pathhandlers.erase (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path)));
477	pippijn	1.1
478	pippijn	1.6	del_conf_item ("PATH", conf_xmlrpc_table);
479	pippijn	1.1	del_top_conf ("XMLRPC");
480	pippijn	1.3	if (handle_xmlrpc.path != NULL)
481			sfree (handle_xmlrpc.path);
482			handle_xmlrpc.path = NULL;
483	pippijn	1.1
484	pippijn	1.3	ConfTable::callback.ready.detach (on_config_ready);
485	pippijn	1.1	}