modules/rpc/xmlrpc.C

/*
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 * Copyright © 2005-2006 Jilles Tjoelker et al.
 * Rights to this code are as documented in doc/pod/license.pod.
 *
 * New xmlrpc implementation
 *
 * $Id: xmlrpc.C,v 1.5 2007-08-30 19:56:24 pippijn Exp $
 */

#include "atheme.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 1.5 2007-08-30 19:56:24 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:	1.6
Committed:	Sun Sep 9 20:05:52 2007 UTC (19 years ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+6 -6 lines
Log Message:	- changed configurations to the c++ stdlib - more #defines to enum - removed getopt.h and link.h from the system as they were unused - reworked logstreams - added an itoa with old syntax - made klines objects - moved some global variables into appropriate classes - fixed boost.foreach's compiler workaround #if's - allow other files to add exceptions with ADD_EXCEPTION - changed mynick_t to c++ object - moved servers.h out of atheme.h - corrected PING from inspircd 1.2
#	User	Rev	Content
1	pippijn	1.1	/*
2			* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
3			* Copyright © 2005-2006 Jilles Tjoelker et al.
4	pippijn	1.2	* Rights to this code are as documented in doc/pod/license.pod.
5	pippijn	1.1	*
6			* New xmlrpc implementation
7			*
8	pippijn	1.6	* $Id: xmlrpc.C,v 1.5 2007-08-30 19:56:24 pippijn Exp $
9	pippijn	1.1	*/
10
11			#include "atheme.h"
12	pippijn	1.3	#include <ermyth/module.h>
13	pippijn	1.1	#include <account/myuser.h>
14			#include "datastream.h"
15			#include "authcookie.h"
16			#include "connection.h"
17			#include "confparse.h"
18
19			#include "httpd.h"
20
21			#include "xml/rpc.h"
22
23	pippijn	1.6	static char const rcsid[] = "$Id: xmlrpc.C,v 1.5 2007-08-30 19:56:24 pippijn Exp $";
24	pippijn	1.1
25	pippijn	1.3	static void on_config_ready (void);
26	pippijn	1.1
27	pippijn	1.3	REGISTER_MODULE ("rpc/xmlrpc", false, "The Ermyth Team <http://ermyth.one09.net>");
28	pippijn	1.1
29	pippijn	1.3	static void handle_request (connection_t cptr, void requestbuf);
30	pippijn	1.1
31	pippijn	1.3	connection_t current_cptr; / XXX: Hack: xml/rpc.c requires us to do this */
32	pippijn	1.1
33	pippijn	1.3	E pathvec pathhandlers;
34	pippijn	1.1
35	pippijn	1.5	static void xmlrpc_command_fail (sourceinfo_t si, fault::code code, char const message);
36	pippijn	1.1	static void xmlrpc_command_success_nodata (sourceinfo_t si, char const message);
37			static void xmlrpc_command_success_string (sourceinfo_t si, char const result, char const *message);
38
39			static int xmlrpcmethod_login (void conn, int parc, char parv[]);
40			static int xmlrpcmethod_logout (void conn, int parc, char parv[]);
41			static int xmlrpcmethod_command (void conn, int parc, char parv[]);
42
43			/* Configuration */
44	pippijn	1.6	ConfTable::list_type conf_xmlrpc_table;
45	pippijn	1.1
46	pippijn	1.3	path_handler_t handle_xmlrpc = {
47			NULL,
48			handle_request
49			};
50
51	pippijn	1.1	static int
52			conf_xmlrpc_path (config_entry_t * ce)
53			{
54	pippijn	1.4	if (!ce->valid ())
55	pippijn	1.1	return -1;
56
57	pippijn	1.3	if (handle_xmlrpc.path != NULL)
58			{
59	pippijn	1.4	if (!strcmp (handle_xmlrpc.path, ce->vardata<char *> ()))
60	pippijn	1.3	return 0;
61			sfree (handle_xmlrpc.path);
62			}
63	pippijn	1.4	handle_xmlrpc.path = sstrdup (ce->vardata<char *> ());
64	pippijn	1.1
65			return 0;
66			}
67
68			static int
69			conf_xmlrpc (config_entry_t * ce)
70			{
71	pippijn	1.6	subblock_handler (ce, conf_xmlrpc_table);
72	pippijn	1.1	return 0;
73			}
74
75			struct sourceinfo_vtable xmlrpc_vtable = {
76			"xmlrpc",
77			xmlrpc_command_fail,
78			xmlrpc_command_success_nodata,
79			xmlrpc_command_success_string
80			};
81
82			static char *
83			dump_buffer (char *buf, int length)
84			{
85			httpddata *hd;
86			char buf1[300];
87
88			hd = static_cast<httpddata *> (current_cptr->userdata);
89	pippijn	1.3	snprintf (buf1, sizeof buf1, "HTTP/1.1 200 OK\r\n"
90			"%s" // connection_close
91			"Server: " PACKAGE_NAME "/%s\r\n" // version
92			"Content-Type: text/xml\r\n"
93			"Content-Length: %d\r\n\r\n", // length
94			hd->connection_close ? "Connection: close\r\n" : "", version, length);
95	pippijn	1.1	sendq_add (current_cptr, buf1, strlen (buf1));
96			sendq_add (current_cptr, buf, length);
97			if (hd->connection_close)
98			sendq_add_eof (current_cptr);
99			return buf;
100			}
101
102			static void
103			handle_request (connection_t cptr, void requestbuf)
104			{
105			current_cptr = cptr;
106			xmlrpc_process (static_cast<char *> (requestbuf), cptr);
107			current_cptr = NULL;
108
109			return;
110			}
111
112	pippijn	1.3	static void
113			on_config_ready (void)
114	pippijn	1.1	{
115			if (handle_xmlrpc.handler != NULL)
116			{
117	pippijn	1.3	if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
118			!= pathhandlers.end ())
119	pippijn	1.1	{
120			slog (LG_INFO, "xmlrpc/main.C: handler already in the list");
121			return;
122			}
123
124	pippijn	1.3	pathhandlers.push_back (handle_xmlrpc);
125	pippijn	1.1	}
126			else
127	pippijn	1.3	slog (LG_ERROR, "on_config_ready (): xmlrpc { } block missing or invalid");
128	pippijn	1.1	}
129
130			static void
131	pippijn	1.5	xmlrpc_command_fail (sourceinfo_t si, fault::code code, char const message)
132	pippijn	1.1	{
133			connection_t *cptr;
134			httpddata *hd;
135			char newmessage[256];
136			int i;
137			char const *p;
138
139			cptr = si->connection;
140			hd = static_cast<httpddata *> (cptr->userdata);
141			if (hd->sent_reply)
142			return;
143			i = 0, p = message;
144			while (i < 255 && *p != '\0')
145			if (p > '\0' && p < ' ')
146			p++;
147			else
148			newmessage[i++] = *p, p++;
149			newmessage[i] = '\0';
150			xmlrpc_generic_error (code, newmessage);
151			hd->sent_reply = true;
152			}
153
154			static void
155			xmlrpc_command_success_nodata (sourceinfo_t si, char const message)
156			{
157			char *p;
158			char const *q;
159			size_t msglen;
160			connection_t *cptr;
161			httpddata *hd;
162
163			cptr = si->connection;
164			hd = static_cast<httpddata *> (cptr->userdata);
165
166			msglen = strlen (message);
167
168			if (hd->sent_reply)
169			return;
170
171			if (hd->replybuf == NULL)
172			{
173	pippijn	1.5	hd->replybuf = salloc<char> (msglen + 1);
174	pippijn	1.1	p = hd->replybuf;
175			}
176			else
177			{
178			size_t replybuf_len = strlen (hd->replybuf);
179	pippijn	1.5	hd->replybuf = salloc (replybuf_len + msglen + 2, hd->replybuf);
180	pippijn	1.1	p = hd->replybuf + replybuf_len;
181			*p++ = '\n';
182			}
183
184			q = message;
185
186			/* What this code does is the following:
187			* - set p to q
188			* - increment q (go to the next character in q
189			* - if *p is below 0x1f (the space character ' '), then
190			* do not increment p
191			* if *p is above or the same as the space character, then
192			* do increment p
193			*
194			* This incrementing/not incrementing effectively skips any character below the
195			* space character, as by not incrementing p, *p gets overwritten in the next cycle.
196			*/
197			while (msglen--)
198			{
199			p = q++;
200			p += !!(*p & ~0x1f);
201			}
202
203			*p = '\0';
204			}
205
206			static void
207			xmlrpc_command_success_string (sourceinfo_t si, char const result, char const *message)
208			{
209			connection_t *cptr;
210			httpddata *hd;
211			char buf[XMLRPC_BUFSIZE];
212
213			cptr = si->connection;
214			hd = static_cast<httpddata *> (cptr->userdata);
215			if (hd->sent_reply)
216			return;
217			xmlrpc_string (buf, result);
218			xmlrpc_send (1, buf);
219			hd->sent_reply = true;
220			}
221
222			/* These taken from the old modules/xmlrpc/account.c */
223			/*
224			* ermyth.login
225			*
226			* XML Inputs:
227			* account name, password, source ip (optional)
228			*
229			* XML Outputs:
230			* fault 1 - insufficient parameters
231			* fault 3 - account is not registered
232			* fault 5 - invalid username and password
233			* fault 6 - account is frozen
234			* default - success (authcookie)
235			*
236			* Side Effects:
237			* an authcookie ticket is created for the myuser_t.
238			* the user's lastlogin is updated
239			*/
240			static int
241			xmlrpcmethod_login (void conn, int parc, char parv[])
242			{
243			myuser_t *mu;
244			authcookie_t *ac;
245			char buf[BUFSIZE];
246			char const *sourceip;
247			connection_t cptr = static_cast<connection_t > (conn);
248
249			if (parc < 2)
250			{
251	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
252	pippijn	1.1	return 0;
253			}
254
255			sourceip = parc >= 3 && *parv[2] != '\0' ? parv[2] : NULL;
256
257	pippijn	1.4	if (!(mu = myuser_t::find (parv[0])))
258	pippijn	1.1	{
259	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "The account is not registered.");
260	pippijn	1.1	return 0;
261			}
262
263			if (mu->find_metadata ("private:freeze:freezer") != NULL)
264			{
265			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (frozen)", mu->name);
266	pippijn	1.5	xmlrpc_generic_error (fault::noprivs, "The account has been frozen.");
267	pippijn	1.1	return 0;
268			}
269
270	pippijn	1.3	if (!mu->verify_password (parv[1]))
271	pippijn	1.1	{
272			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, NULL, CMDLOG_LOGIN, "failed LOGIN to %s (bad password)", mu->name);
273	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "The password is not valid for this account.");
274	pippijn	1.1	return 0;
275			}
276
277			mu->lastlogin = NOW;
278
279			ac = authcookie_create (mu);
280
281			logcommand_external (nicksvs.me, "xmlrpc", cptr, sourceip, mu, CMDLOG_LOGIN, "LOGIN");
282
283			xmlrpc_string (buf, ac->ticket);
284			xmlrpc_send (1, buf);
285
286			return 0;
287			}
288
289			/*
290			* ermyth.logout
291			*
292			* XML inputs:
293			* authcookie, and account name.
294			*
295			* XML outputs:
296			* fault 1 - insufficient parameters
297			* fault 3 - unknown user
298			* fault 5 - validation failed
299			* default - success message
300			*
301			* Side Effects:
302			* an authcookie ticket is destroyed.
303			*/
304			static int
305			xmlrpcmethod_logout (void conn, int parc, char parv[])
306			{
307			authcookie_t *ac;
308			myuser_t *mu;
309			char buf[XMLRPC_BUFSIZE];
310			connection_t cptr = static_cast<connection_t > (conn);
311
312			if (parc < 2)
313			{
314	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
315	pippijn	1.1	return 0;
316			}
317
318	pippijn	1.4	if ((mu = myuser_t::find (parv[1])) == NULL)
319	pippijn	1.1	{
320	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
321	pippijn	1.1	return 0;
322			}
323
324			if (authcookie_validate (parv[0], mu) == false)
325			{
326	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
327	pippijn	1.1	return 0;
328			}
329
330			logcommand_external (nicksvs.me, "xmlrpc", cptr, NULL, mu, CMDLOG_LOGIN, "LOGOUT");
331
332			ac = authcookie_find (parv[0], mu);
333			authcookie_destroy (ac);
334
335			xmlrpc_string (buf, "You are now logged out.");
336			xmlrpc_send (1, buf);
337
338			return 0;
339			}
340
341			/*
342			* ermyth.command
343			*
344			* XML inputs:
345			* authcookie, account name, source ip, service name, command name,
346			* parameters.
347			*
348			* XML outputs:
349			* depends on command
350			*
351			* Side Effects:
352			* command is executed
353			*/
354			static int
355			xmlrpcmethod_command (void conn, int parc, char parv[])
356			{
357			myuser_t *mu;
358			service_t *svs;
359			command_t const *cmd;
360			sourceinfo_t si;
361			int newparc;
362			char *newparv[20];
363			connection_t cptr = static_cast<connection_t > (conn);
364			httpddata hd = static_cast<httpddata > (cptr->userdata);
365			char buf[XMLRPC_BUFSIZE];
366			int i;
367
368			if (parc < 5)
369			{
370	pippijn	1.5	xmlrpc_generic_error (fault::needmoreparams, "Insufficient parameters.");
371	pippijn	1.1	return 0;
372			}
373
374			for (i = 0; i < parc; i++)
375			{
376			if (strchr (parv[i], '\r') \|\| strchr (parv[i], '\n'))
377			{
378	pippijn	1.5	xmlrpc_generic_error (fault::badparams, "Invalid parameters.");
379	pippijn	1.1	return 0;
380			}
381			}
382
383			if (*parv[1] != '\0' && strlen (parv[0]) > 1)
384			{
385	pippijn	1.4	if ((mu = myuser_t::find (parv[1])) == NULL)
386	pippijn	1.1	{
387	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Unknown user.");
388	pippijn	1.1	return 0;
389			}
390
391			if (authcookie_validate (parv[0], mu) == false)
392			{
393	pippijn	1.5	xmlrpc_generic_error (fault::authfail, "Invalid authcookie for this account.");
394	pippijn	1.1	return 0;
395			}
396			}
397			else
398			mu = NULL;
399
400			svs = find_service (parv[3]);
401			if (svs == NULL \|\| svs->cmdtree == NULL)
402			{
403			slog (LG_DEBUG, "xmlrpcmethod_command(): invalid service %s", parv[3]);
404	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Invalid service name.");
405	pippijn	1.1	return 0;
406			}
407			cmd = svs->cmdtree->find (parv[4]);
408			if (cmd == NULL)
409			{
410	pippijn	1.5	xmlrpc_generic_error (fault::nosuch_source, "Invalid command name.");
411	pippijn	1.1	return 0;
412			}
413
414			memset (newparv, '\0', sizeof newparv);
415			newparc = parc - 5;
416			if (newparc > 20)
417			newparc = 20;
418			if (newparc > 0)
419			memcpy (newparv, parv + 5, newparc * sizeof (parv[0]));
420			memset (&si, '\0', sizeof si);
421			si.smu = mu;
422			si.service = svs;
423			si.sourcedesc = parv[2][0] != '\0' ? parv[2] : NULL;
424			si.connection = cptr;
425			si.v = &xmlrpc_vtable;
426			cmd->exec (svs, &si, newparc, newparv);
427			if (!hd->sent_reply)
428			{
429			if (hd->replybuf != NULL)
430			{
431			xmlrpc_string (buf, hd->replybuf);
432			xmlrpc_send (1, buf);
433			}
434			else
435	pippijn	1.5	xmlrpc_generic_error (fault::unimplemented, "Command did not return a result.");
436	pippijn	1.1	}
437
438			return 0;
439			}
440
441	pippijn	1.3	bool
442			_modinit (module *m)
443	pippijn	1.1	{
444	pippijn	1.3	ConfTable::callback.ready.attach (on_config_ready);
445	pippijn	1.1
446			add_top_conf ("XMLRPC", conf_xmlrpc);
447	pippijn	1.6	add_conf_item ("PATH", conf_xmlrpc_table, conf_xmlrpc_path);
448	pippijn	1.1
449			xmlrpc_set_buffer (dump_buffer);
450			xmlrpc_register_method (PACKAGE_NAME ".login", xmlrpcmethod_login);
451			xmlrpc_register_method (PACKAGE_NAME ".logout", xmlrpcmethod_logout);
452			xmlrpc_register_method (PACKAGE_NAME ".command", xmlrpcmethod_command);
453	pippijn	1.3
454			return true;
455	pippijn	1.1	}
456
457			void
458			_moddeinit (void)
459			{
460			xmlrpc_unregister_method (PACKAGE_NAME ".login");
461			xmlrpc_unregister_method (PACKAGE_NAME ".logout");
462			xmlrpc_unregister_method (PACKAGE_NAME ".command");
463
464	pippijn	1.3	if (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path))
465			== pathhandlers.end ())
466	pippijn	1.1	{
467			slog (LG_INFO, "xmlrpc/main.c: handler was not registered.");
468			return;
469			}
470
471	pippijn	1.3	pathhandlers.erase (std::find_if (pathhandlers.begin (), pathhandlers.end (), pathhandler_eq (handle_xmlrpc.path)));
472	pippijn	1.1
473	pippijn	1.6	del_conf_item ("PATH", conf_xmlrpc_table);
474	pippijn	1.1	del_top_conf ("XMLRPC");
475	pippijn	1.3	if (handle_xmlrpc.path != NULL)
476			sfree (handle_xmlrpc.path);
477			handle_xmlrpc.path = NULL;
478	pippijn	1.1
479	pippijn	1.3	ConfTable::callback.ready.detach (on_config_ready);
480	pippijn	1.1	}