[thirdparty/cups.git] / cups / usersys.c

/*
 * "$Id: usersys.c 6649 2007-07-11 21:46:42Z mike $"
 *
 *   User, system, and password routines for the Common UNIX Printing
 *   System (CUPS).
 *
 *   Copyright 2007 by Apple Inc.
 *   Copyright 1997-2006 by Easy Software Products.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Apple Inc. and are protected by Federal copyright
 *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
 *   which should have been included with this file.  If this file is
 *   file is missing or damaged, see the license at "http://www.cups.org/".
 *
 *   This file is subject to the Apple OS-Developed Software exception.
 *
 * Contents:
 *
 *   cupsEncryption()        - Get the default encryption settings.
 *   cupsGetPassword()       - Get a password from the user.
 *   cupsServer()            - Return the hostname of the default server.
 *   cupsSetEncryption()     - Set the encryption preference.
 *   cupsSetPasswordCB()     - Set the password callback for CUPS.
 *   cupsSetServer()         - Set the default server name.
 *   cupsSetUser()           - Set the default user name.
 *   cupsUser()              - Return the current users name.
 *   _cupsGetPassword()      - Get a password from the user.
 *   cups_open_client_conf() - Open the client.conf file.
 */

/*
 * Include necessary headers...
 */

#include "http-private.h"
#include "globals.h"
#include <stdlib.h>
#include <sys/stat.h>
#ifdef WIN32
#  include <windows.h>
#endif /* WIN32 */
#include "debug.h"


/*
 * Local functions...
 */

static cups_file_t	*cups_open_client_conf(void);


/*
 * 'cupsEncryption()' - Get the default encryption settings.
 *
 * The default encryption setting comes from the CUPS_ENCRYPTION
 * environment variable, then the ~/.cupsrc file, and finally the
 * /etc/cups/client.conf file. If not set, the default is
 * HTTP_ENCRYPT_IF_REQUESTED.
 */

http_encryption_t			/* O - Encryption settings */
cupsEncryption(void)
{
  cups_file_t	*fp;			/* client.conf file */
  char		*encryption;		/* CUPS_ENCRYPTION variable */
  char		line[1024],		/* Line from file */
		*value;			/* Value on line */
  int		linenum;		/* Line number */
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


 /*
  * First see if we have already set the encryption stuff...
  */

  if (cg->encryption == (http_encryption_t)-1)
  {
   /*
    * Then see if the CUPS_ENCRYPTION environment variable is set...
    */

    if ((encryption = getenv("CUPS_ENCRYPTION")) == NULL)
    {
     /*
      * No, open the client.conf file...
      */

      fp         = cups_open_client_conf();
      encryption = "IfRequested";

      if (fp)
      {
       /*
	* Read the config file and look for an Encryption line...
	*/

        linenum = 0;

	while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
	  if (!strcasecmp(line, "Encryption") && value)
	  {
	   /*
	    * Got it!
	    */

	    encryption = value;
	    break;
	  }

	cupsFileClose(fp);
      }
    }

   /*
    * Set the encryption preference...
    */

    if (!strcasecmp(encryption, "never"))
      cg->encryption = HTTP_ENCRYPT_NEVER;
    else if (!strcasecmp(encryption, "always"))
      cg->encryption = HTTP_ENCRYPT_ALWAYS;
    else if (!strcasecmp(encryption, "required"))
      cg->encryption = HTTP_ENCRYPT_REQUIRED;
    else
      cg->encryption = HTTP_ENCRYPT_IF_REQUESTED;
  }

  return (cg->encryption);
}


/*
 * 'cupsGetPassword()' - Get a password from the user.
 *
 * Uses the current password callback function. Returns NULL if the
 * user does not provide a password.
 */

const char *				/* O - Password */
cupsGetPassword(const char *prompt)	/* I - Prompt string */
{
  return ((*_cupsGlobals()->password_cb)(prompt));
}


/*
 * 'cupsSetEncryption()' - Set the encryption preference.
 */

void
cupsSetEncryption(http_encryption_t e)	/* I - New encryption preference */
{
  _cupsGlobals()->encryption = e;
}


/*
 * 'cupsServer()' - Return the hostname/address of the default server.
 *
 * The returned value can be a fully-qualified hostname, a numeric
 * IPv4 or IPv6 address, or a domain socket pathname.
 */

const char *				/* O - Server name */
cupsServer(void)
{
  cups_file_t	*fp;			/* client.conf file */
  char		*server;		/* Pointer to server name */
  char		*port;			/* Port number */
  char		line[1024],		/* Line from file */
		*value;			/* Value on line */
  int		linenum;		/* Line number in file */
#ifdef CUPS_DEFAULT_DOMAINSOCKET
  struct stat	sockinfo;		/* Domain socket information */
#endif /* CUPS_DEFAULT_DOMAINSOCKET */
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


 /*
  * First see if we have already set the server name...
  */

  if (!cg->server[0])
  {
   /*
    * Then see if the CUPS_SERVER environment variable is set...
    */

    if ((server = getenv("CUPS_SERVER")) == NULL)
    {
     /*
      * No environment variable, try the client.conf file...
      */

      fp = cups_open_client_conf();

#ifdef CUPS_DEFAULT_DOMAINSOCKET
     /*
      * If we are compiled with domain socket support, only use the
      * domain socket if it exists and has the right permissions...
      */

      if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) &&
          (sockinfo.st_mode & S_IRWXO) == S_IRWXO)
        server = CUPS_DEFAULT_DOMAINSOCKET;
      else
#endif /* CUPS_DEFAULT_DOMAINSOCKET */
      server = "localhost";

      if (fp)
      {
       /*
	* Read the config file and look for a ServerName line...
	*/

        linenum = 0;
	while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
        {
          DEBUG_printf(("cupsServer: %d: %s %s\n", linenum, line,
	                value ? value : "(null)"));

	  if (!strcasecmp(line, "ServerName") && value)
	  {
	   /*
	    * Got it!
	    */

            DEBUG_puts("cupsServer: Got a ServerName line!");
	    server = value;
	    break;
	  }
        }

	cupsFileClose(fp);
      }
    }

   /*
    * Copy the server name over and set the port number, if any...
    */

    DEBUG_printf(("cupsServer: Using server \"%s\"...\n", server));

    strlcpy(cg->server, server, sizeof(cg->server));

    if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
        !strchr(port, ']') && isdigit(port[1] & 255))
    {
      *port++ = '\0';

      DEBUG_printf(("cupsServer: Using port %d...\n", atoi(port)));
      ippSetPort(atoi(port));
    }

    if (cg->server[0] == '/')
      strcpy(cg->servername, "localhost");
    else
      strlcpy(cg->servername, cg->server, sizeof(cg->servername));
  }

  return (cg->server);
}


/*
 * 'cupsSetPasswordCB()' - Set the password callback for CUPS.
 *
 * Pass NULL to restore the default (console) password callback.
 */

void
cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */
{
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if (cb == (const char *(*)(const char *))0)
    cg->password_cb = _cupsGetPassword;
  else
    cg->password_cb = cb;
}


/*
 * 'cupsSetServer()' - Set the default server name.
 *
 * The "server" string can be a fully-qualified hostname, a numeric
 * IPv4 or IPv6 address, or a domain socket pathname. Pass NULL to
 * restore the default server name.
 */

void
cupsSetServer(const char *server)	/* I - Server name */
{
  char		*port;			/* Pointer to port */
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if (server)
  {
    strlcpy(cg->server, server, sizeof(cg->server));

    if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
        !strchr(port, ']') && isdigit(port[1] & 255))
    {
      *port++ = '\0';

      ippSetPort(atoi(port));
    }

    if (cg->server[0] == '/')
      strcpy(cg->servername, "localhost");
    else
      strlcpy(cg->servername, cg->server, sizeof(cg->servername));
  }
  else
  {
    cg->server[0]     = '\0';
    cg->servername[0] = '\0';
  }
}


/*
 * 'cupsSetUser()' - Set the default user name.
 *
 * Pass NULL to restore the default user name.
 */

void
cupsSetUser(const char *user)		/* I - User name */
{
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if (user)
    strlcpy(cg->user, user, sizeof(cg->user));
  else
    cg->user[0] = '\0';
}


#if defined(WIN32)
/*
 * WIN32 username and password stuff.
 */

/*
 * 'cupsUser()' - Return the current user's name.
 */

const char *				/* O - User name */
cupsUser(void)
{
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if (!cg->user[0])
  {
    DWORD	size;		/* Size of string */


    size = sizeof(cg->user);
    if (!GetUserName(cg->user, &size))
    {
     /*
      * Use the default username...
      */

      strcpy(cg->user, "unknown");
    }
  }

  return (cg->user);
}


/*
 * '_cupsGetPassword()' - Get a password from the user.
 */

const char *				/* O - Password */
_cupsGetPassword(const char *prompt)	/* I - Prompt string */
{
  return (NULL);
}
#else
/*
 * UNIX username and password stuff...
 */

#  include <pwd.h>

/*
 * 'cupsUser()' - Return the current user's name.
 */

const char *				/* O - User name */
cupsUser(void)
{
  struct passwd	*pwd;			/* User/password entry */
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if (!cg->user[0])
  {
   /*
    * Rewind the password file...
    */

    setpwent();

   /*
    * Lookup the password entry for the current user.
    */

    if ((pwd = getpwuid(getuid())) == NULL)
      strcpy(cg->user, "unknown");	/* Unknown user! */
    else
    {
     /*
      * Copy the username...
      */

      setpwent();

      strlcpy(cg->user, pwd->pw_name, sizeof(cg->user));
    }

   /*
    * Rewind the password file again...
    */

    setpwent();
  }

  return (cg->user);
}


/*
 * '_cupsGetPassword()' - Get a password from the user.
 */

const char *				/* O - Password */
_cupsGetPassword(const char *prompt)	/* I - Prompt string */
{
  return (getpass(prompt));
}
#endif /* WIN32 */


/*
 * 'cups_open_client_conf()' - Open the client.conf file.
 */

static cups_file_t *			/* O - File or NULL */
cups_open_client_conf(void)
{
  cups_file_t	*fp;			/* File */
  const char	*home;			/* Home directory of user */
  char		filename[1024];		/* Filename */
  _cups_globals_t *cg = _cupsGlobals();	/* Pointer to library globals */


  if ((home = getenv("HOME")) != NULL)
  {
   /*
    * Look for ~/.cups/client.conf or ~/.cupsrc...
    */

    snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home);
    if ((fp = cupsFileOpen(filename, "r")) != NULL)
    {
      DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
      return (fp);
    }

    snprintf(filename, sizeof(filename), "%s/.cupsrc", home);
    if ((fp = cupsFileOpen(filename, "r")) != NULL)
    {
      DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
      return (fp);
    }
  }

  snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot);
  return (cupsFileOpen(filename, "r"));
}


/*
 * End of "$Id: usersys.c 6649 2007-07-11 21:46:42Z mike $".
 */
Commit	Line	Data
ef416fc2	1	/*
bc44d920	2	* "$Id: usersys.c 6649 2007-07-11 21:46:42Z mike $"
ef416fc2	3	*
	4	* User, system, and password routines for the Common UNIX Printing
	5	* System (CUPS).
	6	*
bc44d920	7	* Copyright 2007 by Apple Inc.
ef416fc2	8	* Copyright 1997-2006 by Easy Software Products.
	9	*
	10	* These coded instructions, statements, and computer programs are the
bc44d920	11	* property of Apple Inc. and are protected by Federal copyright
	12	* law. Distribution and use rights are outlined in the file "LICENSE.txt"
	13	* which should have been included with this file. If this file is
	14	* file is missing or damaged, see the license at "http://www.cups.org/".
ef416fc2	15	*
	16	* This file is subject to the Apple OS-Developed Software exception.
	17	*
	18	* Contents:
	19	*
b423cd4c	20	* cupsEncryption() - Get the default encryption settings.
	21	* cupsGetPassword() - Get a password from the user.
	22	* cupsServer() - Return the hostname of the default server.
	23	* cupsSetEncryption() - Set the encryption preference.
	24	* cupsSetPasswordCB() - Set the password callback for CUPS.
	25	* cupsSetServer() - Set the default server name.
	26	* cupsSetUser() - Set the default user name.
	27	* cupsUser() - Return the current users name.
	28	* _cupsGetPassword() - Get a password from the user.
	29	* cups_open_client_conf() - Open the client.conf file.
ef416fc2	30	*/
	31
	32	/*
	33	* Include necessary headers...
	34	*/
	35
	36	#include "http-private.h"
	37	#include "globals.h"
	38	#include <stdlib.h>
e00b005a	39	#include <sys/stat.h>
ef416fc2	40	#ifdef WIN32
	41	# include <windows.h>
	42	#endif /* WIN32 */
d09495fa	43	#include "debug.h"
ef416fc2	44
ef416fc2	45
b423cd4c	46	/*
	47	* Local functions...
	48	*/
	49
	50	static cups_file_t *cups_open_client_conf(void);
	51
	52
ef416fc2	53	/*
	54	* 'cupsEncryption()' - Get the default encryption settings.
	55	*
	56	* The default encryption setting comes from the CUPS_ENCRYPTION
	57	* environment variable, then the ~/.cupsrc file, and finally the
	58	* /etc/cups/client.conf file. If not set, the default is
	59	* HTTP_ENCRYPT_IF_REQUESTED.
	60	*/
	61
	62	http_encryption_t /* O - Encryption settings */
	63	cupsEncryption(void)
	64	{
	65	cups_file_t fp; / client.conf file */
	66	char encryption; / CUPS_ENCRYPTION variable */
ef416fc2	67	char line[1024], /* Line from file */
	68	value; / Value on line */
	69	int linenum; /* Line number */
	70	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
	71
	72
	73	/*
	74	* First see if we have already set the encryption stuff...
	75	*/
	76
	77	if (cg->encryption == (http_encryption_t)-1)
	78	{
	79	/*
	80	* Then see if the CUPS_ENCRYPTION environment variable is set...
	81	*/
	82
	83	if ((encryption = getenv("CUPS_ENCRYPTION")) == NULL)
	84	{
	85	/*
b423cd4c	86	* No, open the client.conf file...
ef416fc2	87	*/
ef416fc2	88
b423cd4c	89	fp = cups_open_client_conf();
ef416fc2	90	encryption = "IfRequested";
ef416fc2	91
b423cd4c	92	if (fp)
ef416fc2	93	{
	94	/*
	95	* Read the config file and look for an Encryption line...
	96	*/
	97
	98	linenum = 0;
	99
	100	while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
	101	if (!strcasecmp(line, "Encryption") && value)
	102	{
	103	/*
	104	* Got it!
	105	*/
	106
	107	encryption = value;
	108	break;
	109	}
	110
	111	cupsFileClose(fp);
	112	}
	113	}
	114
	115	/*
	116	* Set the encryption preference...
	117	*/
	118
	119	if (!strcasecmp(encryption, "never"))
	120	cg->encryption = HTTP_ENCRYPT_NEVER;
	121	else if (!strcasecmp(encryption, "always"))
	122	cg->encryption = HTTP_ENCRYPT_ALWAYS;
	123	else if (!strcasecmp(encryption, "required"))
	124	cg->encryption = HTTP_ENCRYPT_REQUIRED;
	125	else
	126	cg->encryption = HTTP_ENCRYPT_IF_REQUESTED;
	127	}
	128
	129	return (cg->encryption);
	130	}
	131
	132
	133	/*
	134	* 'cupsGetPassword()' - Get a password from the user.
	135	*
ecdc0628	136	* Uses the current password callback function. Returns NULL if the
ecdc0628	137	* user does not provide a password.
ef416fc2	138	*/
	139
	140	const char * /* O - Password */
	141	cupsGetPassword(const char prompt) / I - Prompt string */
	142	{
	143	return ((*_cupsGlobals()->password_cb)(prompt));
	144	}
	145
	146
	147	/*
	148	* 'cupsSetEncryption()' - Set the encryption preference.
	149	*/
	150
	151	void
	152	cupsSetEncryption(http_encryption_t e) /* I - New encryption preference */
	153	{
	154	_cupsGlobals()->encryption = e;
	155	}
	156
	157
	158	/*
	159	* 'cupsServer()' - Return the hostname/address of the default server.
	160	*
	161	* The returned value can be a fully-qualified hostname, a numeric
	162	* IPv4 or IPv6 address, or a domain socket pathname.
	163	*/
	164
	165	const char * /* O - Server name */
	166	cupsServer(void)
	167	{
	168	cups_file_t fp; / client.conf file */
	169	char server; / Pointer to server name */
ef416fc2	170	char port; / Port number */
	171	char line[1024], /* Line from file */
	172	value; / Value on line */
	173	int linenum; /* Line number in file */
e00b005a	174	#ifdef CUPS_DEFAULT_DOMAINSOCKET
	175	struct stat sockinfo; /* Domain socket information */
	176	#endif /* CUPS_DEFAULT_DOMAINSOCKET */
ef416fc2	177	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
	178
	179
	180	/*
	181	* First see if we have already set the server name...
	182	*/
	183
	184	if (!cg->server[0])
	185	{
	186	/*
	187	* Then see if the CUPS_SERVER environment variable is set...
	188	*/
	189
	190	if ((server = getenv("CUPS_SERVER")) == NULL)
	191	{
	192	/*
b423cd4c	193	* No environment variable, try the client.conf file...
ef416fc2	194	*/
ef416fc2	195
b423cd4c	196	fp = cups_open_client_conf();
ef416fc2	197
ef416fc2	198	#ifdef CUPS_DEFAULT_DOMAINSOCKET
e00b005a	199	/*
	200	* If we are compiled with domain socket support, only use the
	201	* domain socket if it exists and has the right permissions...
	202	*/
	203
	204	if (!stat(CUPS_DEFAULT_DOMAINSOCKET, &sockinfo) &&
	205	(sockinfo.st_mode & S_IRWXO) == S_IRWXO)
ef416fc2	206	server = CUPS_DEFAULT_DOMAINSOCKET;
	207	else
	208	#endif /* CUPS_DEFAULT_DOMAINSOCKET */
	209	server = "localhost";
	210
b423cd4c	211	if (fp)
ef416fc2	212	{
	213	/*
	214	* Read the config file and look for a ServerName line...
	215	*/
	216
	217	linenum = 0;
	218	while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum) != NULL)
d09495fa	219	{
	220	DEBUG_printf(("cupsServer: %d: %s %s\n", linenum, line,
	221	value ? value : "(null)"));
	222
ef416fc2	223	if (!strcasecmp(line, "ServerName") && value)
	224	{
	225	/*
	226	* Got it!
	227	*/
	228
d09495fa	229	DEBUG_puts("cupsServer: Got a ServerName line!");
ef416fc2	230	server = value;
	231	break;
	232	}
d09495fa	233	}
ef416fc2	234
	235	cupsFileClose(fp);
	236	}
	237	}
	238
	239	/*
	240	* Copy the server name over and set the port number, if any...
	241	*/
	242
d09495fa	243	DEBUG_printf(("cupsServer: Using server \"%s\"...\n", server));
d09495fa	244
ef416fc2	245	strlcpy(cg->server, server, sizeof(cg->server));
	246
	247	if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
	248	!strchr(port, ']') && isdigit(port[1] & 255))
	249	{
	250	*port++ = '\0';
	251
d09495fa	252	DEBUG_printf(("cupsServer: Using port %d...\n", atoi(port)));
ef416fc2	253	ippSetPort(atoi(port));
	254	}
	255
	256	if (cg->server[0] == '/')
	257	strcpy(cg->servername, "localhost");
	258	else
	259	strlcpy(cg->servername, cg->server, sizeof(cg->servername));
	260	}
	261
	262	return (cg->server);
	263	}
	264
	265
	266	/*
	267	* 'cupsSetPasswordCB()' - Set the password callback for CUPS.
	268	*
	269	* Pass NULL to restore the default (console) password callback.
	270	*/
	271
	272	void
	273	cupsSetPasswordCB(cups_password_cb_t cb)/* I - Callback function */
	274	{
	275	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
	276
	277
	278	if (cb == (const char ()(const char *))0)
	279	cg->password_cb = _cupsGetPassword;
	280	else
	281	cg->password_cb = cb;
	282	}
	283
	284
	285	/*
	286	* 'cupsSetServer()' - Set the default server name.
	287	*
	288	* The "server" string can be a fully-qualified hostname, a numeric
	289	* IPv4 or IPv6 address, or a domain socket pathname. Pass NULL to
	290	* restore the default server name.
	291	*/
	292
	293	void
	294	cupsSetServer(const char server) / I - Server name */
	295	{
	296	char port; / Pointer to port */
	297	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
	298
	299
	300	if (server)
	301	{
	302	strlcpy(cg->server, server, sizeof(cg->server));
	303
	304	if (cg->server[0] != '/' && (port = strrchr(cg->server, ':')) != NULL &&
	305	!strchr(port, ']') && isdigit(port[1] & 255))
	306	{
	307	*port++ = '\0';
	308
	309	ippSetPort(atoi(port));
	310	}
	311
	312	if (cg->server[0] == '/')
	313	strcpy(cg->servername, "localhost");
	314	else
	315	strlcpy(cg->servername, cg->server, sizeof(cg->servername));
	316	}
317	else
318	{
319	cg->server[0] = '\0';
320	cg->servername[0] = '\0';
321	}
322	}
323
324
325	/*
326	* 'cupsSetUser()' - Set the default user name.
327	*
328	* Pass NULL to restore the default user name.
329	*/
330
331	void
332	cupsSetUser(const char user) / I - User name */
333	{
334	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
335
336
337	if (user)
338	strlcpy(cg->user, user, sizeof(cg->user));
339	else
340	cg->user[0] = '\0';
341	}
342
343
344	#if defined(WIN32)
345	/*
346	* WIN32 username and password stuff.
347	*/
348
349	/*
350	* 'cupsUser()' - Return the current user's name.
351	*/
352
353	const char * /* O - User name */
354	cupsUser(void)
355	{
356	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
357
358
359	if (!cg->user[0])
360	{
361	DWORD size; /* Size of string */
362
363
364	size = sizeof(cg->user);
365	if (!GetUserName(cg->user, &size))
366	{
367	/*
368	* Use the default username...
369	*/
370
371	strcpy(cg->user, "unknown");
372	}
373	}
374
375	return (cg->user);
376	}
377
378
379	/*
380	* '_cupsGetPassword()' - Get a password from the user.
381	*/
382
383	const char * /* O - Password */
384	_cupsGetPassword(const char prompt) / I - Prompt string */
385	{
386	return (NULL);
387	}
388	#else
389	/*
390	* UNIX username and password stuff...
391	*/
392
393	# include <pwd.h>
394
395	/*
396	* 'cupsUser()' - Return the current user's name.
397	*/
398
399	const char * /* O - User name */
400	cupsUser(void)
401	{
402	struct passwd pwd; / User/password entry */
403	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
404
405
406	if (!cg->user[0])
407	{
408	/*
409	* Rewind the password file...
410	*/
411
412	setpwent();
413
414	/*
415	* Lookup the password entry for the current user.
416	*/
417
418	if ((pwd = getpwuid(getuid())) == NULL)
419	strcpy(cg->user, "unknown"); /* Unknown user! */
420	else
421	{
422	/*
423	* Copy the username...
424	*/
425
426	setpwent();
427
428	strlcpy(cg->user, pwd->pw_name, sizeof(cg->user));
429	}
430
431	/*
432	* Rewind the password file again...
433	*/
434
435	setpwent();
436	}
437
438	return (cg->user);
439	}
440
441
442	/*
443	* '_cupsGetPassword()' - Get a password from the user.
444	*/
445
446	const char * /* O - Password */
447	_cupsGetPassword(const char prompt) / I - Prompt string */
448	{
449	return (getpass(prompt));
450	}
451	#endif /* WIN32 */
452
453
454	/*
b423cd4c	455	* 'cups_open_client_conf()' - Open the client.conf file.
	456	*/
	457
	458	static cups_file_t * /* O - File or NULL */
	459	cups_open_client_conf(void)
	460	{
	461	cups_file_t fp; / File */
	462	const char home; / Home directory of user */
	463	char filename[1024]; /* Filename */
	464	_cups_globals_t cg = _cupsGlobals(); / Pointer to library globals */
	465
	466
	467	if ((home = getenv("HOME")) != NULL)
	468	{
	469	/*
	470	* Look for ~/.cups/client.conf or ~/.cupsrc...
	471	*/
	472
	473	snprintf(filename, sizeof(filename), "%s/.cups/client.conf", home);
	474	if ((fp = cupsFileOpen(filename, "r")) != NULL)
d09495fa	475	{
d09495fa	476	DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
b423cd4c	477	return (fp);
d09495fa	478	}
b423cd4c	479
	480	snprintf(filename, sizeof(filename), "%s/.cupsrc", home);
	481	if ((fp = cupsFileOpen(filename, "r")) != NULL)
d09495fa	482	{
d09495fa	483	DEBUG_printf(("cups_open_client_conf: Using \"%s\"...\n", filename));
b423cd4c	484	return (fp);
d09495fa	485	}
b423cd4c	486	}
	487
	488	snprintf(filename, sizeof(filename), "%s/client.conf", cg->cups_serverroot);
	489	return (cupsFileOpen(filename, "r"));
	490	}
	491
	492
	493	/*
bc44d920	494	* End of "$Id: usersys.c 6649 2007-07-11 21:46:42Z mike $".
ef416fc2	495	*/