X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/146e86fbdea5a7a4c846e7b4a210ee179e1943d5..f183d30bc19ccc5dafeb7f469b83a8ce045d9419:/lib/configuration.c

diff --git a/lib/configuration.c b/lib/configuration.c
index a506ee9..958ea6c 100644
--- a/lib/configuration.c
+++ b/lib/configuration.c
@@ -1,32 +1,27 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2004-2009 Richard Kettlewell
+ * Portions copyright (C) 2007 Mark Wooding
  *
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file lib/configuration.c
  * @brief Configuration file support
  */
 
-#include <config.h>
-#include "types.h"
+#include "common.h"
 
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -38,6 +33,7 @@
 #include <pcre.h>
 #include <signal.h>
 
+#include "rights.h"
 #include "configuration.h"
 #include "mem.h"
 #include "log.h"
@@ -47,11 +43,12 @@
 #include "inputline.h"
 #include "charset.h"
 #include "defs.h"
-#include "mixer.h"
 #include "printf.h"
 #include "regsub.h"
 #include "signame.h"
 #include "authhash.h"
+#include "vector.h"
+#include "uaudio.h"
 
 /** @brief Path to config file 
  *
@@ -59,6 +56,18 @@
  */
 char *configfile;
 
+/** @brief Read user configuration
+ *
+ * If clear, the user-specific configuration is not read.
+ */
+int config_per_user = 1;
+
+/** @brief Table of audio APIs
+ *
+ * Only set in server processes.
+ */
+const struct uaudio *const *config_uaudio_apis;
+
 /** @brief Config file parser state */
 struct config_state {
   /** @brief Filename */
@@ -123,28 +132,55 @@ static int set_collections(const struct config_state *cs,
 			   const struct conf *whoami,
 			   int nvec, char **vec) {
   struct collectionlist *cl;
+  const char *root, *encoding, *module;
   
-  if(nvec != 3) {
-    error(0, "%s:%d: '%s' requires three arguments",
+  switch(nvec) {
+  case 1:
+    module = 0;
+    encoding = 0;
+    root = vec[0];
+    break;
+  case 2:
+    module = vec[0];
+    encoding = 0;
+    root = vec[1];
+    break;
+  case 3:
+    module = vec[0];
+    encoding = vec[1];
+    root = vec[2];
+    break;
+  case 0:
+    error(0, "%s:%d: '%s' requires at least one argument",
+	  cs->path, cs->line, whoami->name);
+    return -1;
+  default:
+    error(0, "%s:%d: '%s' requires at most three arguments",
 	  cs->path, cs->line, whoami->name);
     return -1;
   }
-  if(vec[2][0] != '/') {
+  /* Sanity check root */
+  if(root[0] != '/') {
     error(0, "%s:%d: collection root must start with '/'",
 	  cs->path, cs->line);
     return -1;
   }
-  if(vec[2][1] && vec[2][strlen(vec[2])-1] == '/') {
+  if(root[1] && root[strlen(root)-1] == '/') {
     error(0, "%s:%d: collection root must not end with '/'",
 	  cs->path, cs->line);
     return -1;
   }
+  /* Defaults */
+  if(!module)
+    module = "fs";
+  if(!encoding)
+    encoding = nl_langinfo(CODESET);
   cl = ADDRESS(cs->config, struct collectionlist);
   ++cl->n;
   cl->s = xrealloc(cl->s, cl->n * sizeof (struct collection));
-  cl->s[cl->n - 1].module = xstrdup(vec[0]);
-  cl->s[cl->n - 1].encoding = xstrdup(vec[1]);
-  cl->s[cl->n - 1].root = xstrdup(vec[2]);
+  cl->s[cl->n - 1].module = xstrdup(module);
+  cl->s[cl->n - 1].encoding = xstrdup(encoding);
+  cl->s[cl->n - 1].root = xstrdup(root);
   return 0;
 }
 
@@ -226,6 +262,10 @@ static int set_stringlist_accum(const struct config_state *cs,
   struct stringlistlist *sll;
 
   sll = ADDRESS(cs->config, struct stringlistlist);
+  if(nvec == 0) {
+    sll->n = 0;
+    return 0;
+  }
   sll->n++;
   sll->s = xrealloc(sll->s, (sll->n * sizeof (struct stringlist)));
   s = &sll->s[sll->n - 1];
@@ -243,6 +283,10 @@ static int set_string_accum(const struct config_state *cs,
   struct stringlist *sl;
 
   sl = ADDRESS(cs->config, struct stringlist);
+  if(nvec == 0) {
+    sl->n = 0;
+    return 0;
+  }
   for(n = 0; n < nvec; ++n) {
     sl->n++;
     sl->s = xrealloc(sl->s, (sl->n * sizeof (char *)));
@@ -267,7 +311,7 @@ static int set_restrict(const struct config_state *cs,
   };
 
   for(n = 0; n < nvec; ++n) {
-    if((i = TABLE_FIND(restrictions, struct restriction, name, vec[n])) < 0) {
+    if((i = TABLE_FIND(restrictions, name, vec[n])) < 0) {
       error(0, "%s:%d: invalid restriction '%s'",
 	    cs->path, cs->line, vec[n]);
       return -1;
@@ -428,49 +472,20 @@ static int set_transform(const struct config_state *cs,
   return 0;
 }
 
-static int set_backend(const struct config_state *cs,
-		       const struct conf *whoami,
-		       int nvec, char **vec) {
-  int *const valuep = ADDRESS(cs->config, int);
-  
+static int set_rights(const struct config_state *cs,
+		      const struct conf *whoami,
+		      int nvec, char **vec) {
   if(nvec != 1) {
     error(0, "%s:%d: '%s' requires one argument",
 	  cs->path, cs->line, whoami->name);
     return -1;
   }
-  if(!strcmp(vec[0], "alsa")) {
-#if HAVE_ALSA_ASOUNDLIB_H
-    *valuep = BACKEND_ALSA;
-#else
-    error(0, "%s:%d: ALSA is not available on this platform",
-	  cs->path, cs->line);
-    return -1;
-#endif
-  } else if(!strcmp(vec[0], "command"))
-    *valuep = BACKEND_COMMAND;
-  else if(!strcmp(vec[0], "network"))
-    *valuep = BACKEND_NETWORK;
-  else if(!strcmp(vec[0], "coreaudio")) {
-#if HAVE_COREAUDIO_AUDIOHARDWARE_H
-    *valuep = BACKEND_COREAUDIO;
-#else
-    error(0, "%s:%d: Core Audio is not available on this platform",
-	  cs->path, cs->line);
-    return -1;
-#endif
-  } else if(!strcmp(vec[0], "oss")) {
-#if HAVE_SYS_SOUNDCARD_H
-    *valuep = BACKEND_OSS;
-#else
-    error(0, "%s:%d: OSS is not available on this platform",
-	  cs->path, cs->line);
-    return -1;
-#endif
-  } else {
-    error(0, "%s:%d: invalid '%s' value '%s'",
-	  cs->path, cs->line, whoami->name, vec[0]);
+  if(parse_rights(vec[0], 0, 1)) {
+    error(0, "%s:%d: invalid rights string '%s'",
+	  cs->path, cs->line, vec[0]);
     return -1;
   }
+  *ADDRESS(cs->config, char *) = vec[0];
   return 0;
 }
 
@@ -483,6 +498,7 @@ static void free_none(struct config attribute((unused)) *c,
 static void free_string(struct config *c,
 			const struct conf *whoami) {
   xfree(VALUE(c, char *));
+  VALUE(c, char *) = 0;
 }
 
 static void free_stringlist(struct config *c,
@@ -572,7 +588,7 @@ static const struct conftype
   type_restrict = { set_restrict, free_none },
   type_namepart = { set_namepart, free_namepartlist },
   type_transform = { set_transform, free_transformlist },
-  type_backend = { set_backend, free_none };
+  type_rights = { set_rights, free_none };
 
 /* specific validation routine */
 
@@ -593,6 +609,19 @@ static const struct conftype
   }								\
 } while(0)
 
+static int validate_isabspath(const struct config_state *cs,
+			      int nvec, char **vec) {
+  int n;
+
+  for(n = 0; n < nvec; ++n)
+    if(vec[n][0] != '/') {
+      error(errno, "%s:%d: %s: not an absolute path", 
+	    cs->path, cs->line, vec[n]);
+      return -1;
+    }
+  return 0;
+}
+
 static int validate_isdir(const struct config_state *cs,
 			  int nvec, char **vec) {
   VALIDATE_FILE(S_ISDIR, "directory");
@@ -605,12 +634,6 @@ static int validate_isreg(const struct config_state *cs,
   return 0;
 }
 
-static int validate_ischr(const struct config_state *cs,
-			  int nvec, char **vec) {
-  VALIDATE_FILE(S_ISCHR, "character device");
-  return 0;
-}
-
 static int validate_player(const struct config_state *cs,
 			   int nvec,
 			   char attribute((unused)) **vec) {
@@ -622,6 +645,17 @@ static int validate_player(const struct config_state *cs,
   return 0;
 }
 
+static int validate_tracklength(const struct config_state *cs,
+				int nvec,
+				char attribute((unused)) **vec) {
+  if(nvec < 2) {
+    error(0, "%s:%d: should be at least 'tracklength PATTERN MODULE'",
+	  cs->path, cs->line);
+    return -1;
+  }
+  return 0;
+}
+
 static int validate_allow(const struct config_state *cs,
 			  int nvec,
 			  char attribute((unused)) **vec) {
@@ -696,16 +730,6 @@ static int validate_sample_format(const struct config_state *cs,
   return parse_sample_format(cs, 0, nvec, vec);
 }
 
-static int validate_channel(const struct config_state *cs,
-			    int attribute((unused)) nvec,
-			    char **vec) {
-  if(mixer_channel(vec[0]) == -1) {
-    error(0, "%s:%d: invalid channel '%s'", cs->path, cs->line, vec[0]);
-    return -1;
-  }
-  return 0;
-}
-
 static int validate_any(const struct config_state attribute((unused)) *cs,
 			int attribute((unused)) nvec,
 			char attribute((unused)) **vec) {
@@ -843,6 +867,29 @@ static int validate_algo(const struct config_state attribute((unused)) *cs,
   return 0;
 }
 
+static int validate_backend(const struct config_state attribute((unused)) *cs,
+                            int nvec,
+                            char **vec) {
+  int n;
+  if(nvec != 1) {
+    error(0, "%s:%d: invalid sound API specification", cs->path, cs->line);
+    return -1;
+  }
+  if(!strcmp(vec[0], "network")) {
+    error(0, "'api network' is deprecated; use 'api rtp'");
+    return 0;
+  }
+  if(config_uaudio_apis) {
+    for(n = 0; config_uaudio_apis[n]; ++n)
+      if(!strcmp(vec[0], config_uaudio_apis[n]->name))
+        return 0;
+    error(0, "%s:%d: unrecognized sound API '%s'", cs->path, cs->line, vec[0]);
+    return -1;
+  }
+  /* In non-server processes we have no idea what's valid */
+  return 0;
+}
+
 /** @brief Item name and and offset */
 #define C(x) #x, offsetof(struct config, x)
 /** @brief Item name and and offset */
@@ -852,23 +899,33 @@ static int validate_algo(const struct config_state attribute((unused)) *cs,
 static const struct conf conf[] = {
   { C(alias),            &type_string,           validate_alias },
   { C(allow),            &type_stringlist_accum, validate_allow },
+  { C(api),              &type_string,           validate_backend },
   { C(authorization_algorithm), &type_string,    validate_algo },
   { C(broadcast),        &type_stringlist,       validate_addrport },
   { C(broadcast_from),   &type_stringlist,       validate_addrport },
-  { C(channel),          &type_string,           validate_channel },
+  { C(channel),          &type_string,           validate_any },
   { C(checkpoint_kbyte), &type_integer,          validate_non_negative },
   { C(checkpoint_min),   &type_integer,          validate_non_negative },
   { C(collection),       &type_collections,      validate_any },
   { C(connect),          &type_stringlist,       validate_addrport },
+  { C(cookie_login_lifetime),  &type_integer,    validate_positive },
+  { C(cookie_key_lifetime),  &type_integer,      validate_positive },
+  { C(dbversion),        &type_integer,          validate_positive },
+  { C(default_rights),   &type_rights,           validate_any },
   { C(device),           &type_string,           validate_any },
   { C(gap),              &type_integer,          validate_non_negative },
   { C(history),          &type_integer,          validate_positive },
-  { C(home),             &type_string,           validate_isdir },
+  { C(home),             &type_string,           validate_isabspath },
   { C(listen),           &type_stringlist,       validate_port },
   { C(lock),             &type_boolean,          validate_any },
-  { C(mixer),            &type_string,           validate_ischr },
+  { C(mail_sender),      &type_string,           validate_any },
+  { C(mixer),            &type_string,           validate_any },
+  { C(multicast_loop),   &type_boolean,          validate_any },
   { C(multicast_ttl),    &type_integer,          validate_non_negative },
   { C(namepart),         &type_namepart,         validate_any },
+  { C(new_bias),         &type_integer,          validate_positive },
+  { C(new_bias_age),     &type_integer,          validate_positive },
+  { C(new_max),          &type_integer,          validate_positive },
   { C2(nice, nice_rescan), &type_integer,        validate_non_negative },
   { C(nice_rescan),      &type_integer,          validate_non_negative },
   { C(nice_server),      &type_integer,          validate_any },
@@ -879,16 +936,23 @@ static const struct conf conf[] = {
   { C(plugins),          &type_string_accum,     validate_isdir },
   { C(prefsync),         &type_integer,          validate_positive },
   { C(queue_pad),        &type_integer,          validate_positive },
+  { C(replay_min),       &type_integer,          validate_non_negative },
   { C(refresh),          &type_integer,          validate_positive },
+  { C(reminder_interval), &type_integer,         validate_positive },
+  { C(remote_userman),   &type_boolean,          validate_any },
   { C2(restrict, restrictions),         &type_restrict,         validate_any },
   { C(sample_format),    &type_sample_format,    validate_sample_format },
   { C(scratch),          &type_string_accum,     validate_isreg },
+  { C(sendmail),         &type_string,           validate_isabspath },
+  { C(short_display),    &type_integer,          validate_positive },
   { C(signal),           &type_signal,           validate_any },
+  { C(smtp_server),      &type_string,           validate_any },
   { C(sox_generation),   &type_integer,          validate_non_negative },
-  { C(speaker_backend),  &type_backend,          validate_any },
+  { C2(speaker_backend, api),  &type_string,     validate_backend },
   { C(speaker_command),  &type_string,           validate_any },
   { C(stopword),         &type_string_accum,     validate_any },
   { C(templates),        &type_string_accum,     validate_isdir },
+  { C(tracklength),      &type_stringlist_accum, validate_tracklength },
   { C(transform),        &type_transform,        validate_any },
   { C(trust),            &type_string_accum,     validate_any },
   { C(url),              &type_string,           validate_url },
@@ -900,7 +964,7 @@ static const struct conf conf[] = {
 static const struct conf *find(const char *key) {
   int n;
 
-  if((n = TABLE_FIND(conf, struct conf, name, key)) < 0)
+  if((n = TABLE_FIND(conf, name, key)) < 0)
     return 0;
   return &conf[n];
 }
@@ -920,6 +984,22 @@ static int config_set(const struct config_state *cs,
 	  || which->type->set(cs, which, nvec - 1, vec + 1));
 }
 
+static int config_set_args(const struct config_state *cs,
+			   const char *which, ...) {
+  va_list ap;
+  struct vector v[1];
+  char *s;
+
+  vector_init(v);
+  vector_append(v, (char *)which);
+  va_start(ap, which);
+  while((s = va_arg(ap, char *)))
+    vector_append(v, s);
+  va_end(ap);
+  vector_terminate(v);
+  return config_set(cs, v->nvec, v->vec);
+}
+
 /** @brief Error callback used by config_include() */
 static void config_error(const char *msg, void *u) {
   const struct config_state *cs = u;
@@ -979,14 +1059,88 @@ static int config_include(struct config *c, const char *path) {
   return ret;
 }
 
+static const char *const default_stopwords[] = {
+  "stopword",
+
+  "01",
+  "02",
+  "03",
+  "04",
+  "05",
+  "06",
+  "07",
+  "08",
+  "09",
+  "1",
+  "10",
+  "11",
+  "12",
+  "13",
+  "14",
+  "15",
+  "16",
+  "17",
+  "18",
+  "19",
+  "2",
+  "20",
+  "21",
+  "22",
+  "23",
+  "24",
+  "25",
+  "26",
+  "27",
+  "28",
+  "29",
+  "3",
+  "30",
+  "4",
+  "5",
+  "6",
+  "7",
+  "8",
+  "9",
+  "a",
+  "am",
+  "an",
+  "and",
+  "as",
+  "for",
+  "i",
+  "im",
+  "in",
+  "is",
+  "of",
+  "on",
+  "the",
+  "to",
+  "too",
+  "we",
+};
+#define NDEFAULT_STOPWORDS (sizeof default_stopwords / sizeof *default_stopwords)
+
+static const char *const default_players[] = {
+  "*.ogg",
+  "*.flac",
+  "*.mp3",
+  "*.wav",
+};
+#define NDEFAULT_PLAYERS (sizeof default_players / sizeof *default_players)
+
 /** @brief Make a new default configuration */
 static struct config *config_default(void) {
   struct config *c = xmalloc(sizeof *c);
   const char *logname;
   struct passwd *pw;
+  struct config_state cs;
+  size_t n;
 
+  cs.path = "<internal>";
+  cs.line = 0;
+  cs.config = c;
   /* Strings had better be xstrdup'd as they will get freed at some point. */
-  c->gap = 2;
+  c->gap = 0;
   c->history = 60;
   c->home = xstrdup(pkgstatedir);
   if(!(pw = getpwuid(getuid())))
@@ -1006,14 +1160,42 @@ static struct config *config_default(void) {
   c->sample_format.channels = 2;
   c->sample_format.endian = ENDIAN_NATIVE;
   c->queue_pad = 10;
-  c->speaker_backend = -1;
+  c->replay_min = 8 * 3600;
+  c->api = NULL;
   c->multicast_ttl = 1;
+  c->multicast_loop = 1;
   c->authorization_algorithm = xstrdup("sha1");
   c->noticed_history = 31;
+  c->short_display = 32;
+  c->mixer = 0;
+  c->channel = 0;
+  c->dbversion = 2;
+  c->cookie_login_lifetime = 86400;
+  c->cookie_key_lifetime = 86400 * 7;
+  if(sendmail_binary[0] && strcmp(sendmail_binary, "none"))
+    c->sendmail = xstrdup(sendmail_binary);
+  c->smtp_server = xstrdup("127.0.0.1");
+  c->new_max = 100;
+  c->reminder_interval = 600;		/* 10m */
+  c->new_bias_age = 7 * 86400;		/* 1 week */
+  c->new_bias = 4500000;		/* 50 times the base weight */
+  c->sox_generation = DEFAULT_SOX_GENERATION;
+  /* Default stopwords */
+  if(config_set(&cs, (int)NDEFAULT_STOPWORDS, (char **)default_stopwords))
+    exit(1);
+  /* Default player configuration */
+  for(n = 0; n < NDEFAULT_PLAYERS; ++n) {
+    if(config_set_args(&cs, "player",
+		       default_players[n], "execraw", "disorder-decode", (char *)0))
+      exit(1);
+    if(config_set_args(&cs, "tracklength",
+		       default_players[n], "disorder-tracklength", (char *)0))
+      exit(1);
+  }
   return c;
 }
 
-static char *get_file(struct config *c, const char *name) {
+char *config_get_file2(struct config *c, const char *name) {
   char *s;
 
   byte_xasprintf(&s, "%s/%s", c->home, name);
@@ -1048,7 +1230,7 @@ static void config_postdefaults(struct config *c,
   int n;
 
   static const char *namepart[][4] = {
-    { "title",  "/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
+    { "title",  "/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display" },
     { "title",  "/([^/]+)\\.[a-zA-Z0-9]+$",           "$1", "sort" },
     { "album",  "/([^/]+)/[^/]+$",                    "$1", "*" },
     { "artist", "/([^/]+)/[^/]+/[^/]+$",              "$1", "*" },
@@ -1057,7 +1239,7 @@ static void config_postdefaults(struct config *c,
 #define NNAMEPART (int)(sizeof namepart / sizeof *namepart)
 
   static const char *transform[][5] = {
-    { "track", "^.*/([0-9]+ *[-:] *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
+    { "track", "^.*/([0-9]+ *[-:]? *)?([^/]+)\\.[a-zA-Z0-9]+$", "$2", "display", "" },
     { "track", "^.*/([^/]+)\\.[a-zA-Z0-9]+$",           "$1", "sort", "" },
     { "dir",   "^.*/([^/]+)$",                          "$1", "*", "" },
     { "dir",   "^(the) ([^/]*)",                        "$2, $1", "sort", "i", },
@@ -1078,44 +1260,56 @@ static void config_postdefaults(struct config *c,
     for(n = 0; n < NTRANSFORM; ++n)
       set_transform(&cs, whoami, 5, (char **)transform[n]);
   }
-  if(c->speaker_backend == -1) {
+  if(!c->api) {
     if(c->speaker_command)
-      c->speaker_backend = BACKEND_COMMAND;
+      c->api = xstrdup("command");
     else if(c->broadcast.n)
-      c->speaker_backend = BACKEND_NETWORK;
-    else {
-#if HAVE_ALSA_ASOUNDLIB_H
-      c->speaker_backend = BACKEND_ALSA;
-#elif HAVE_SYS_SOUNDCARD_H
-      c->speaker_backend = BACKEND_OSS;
-#elif HAVE_COREAUDIO_AUDIOHARDWARE_H
-      c->speaker_backend = BACKEND_COREAUDIO;
-#else
-      c->speaker_backend = BACKEND_COMMAND;
-#endif
-    }
-  }
+      c->api = xstrdup("rtp");
+    else if(config_uaudio_apis)
+      c->api = xstrdup(config_uaudio_apis[0]->name);
+    else
+      c->api = xstrdup("<none>");
+  }
+  if(!strcmp(c->api, "network"))
+    c->api = xstrdup("rtp");
   if(server) {
-    if(c->speaker_backend == BACKEND_COMMAND && !c->speaker_command)
-      fatal(0, "speaker_backend is command but speaker_command is not set");
-    if(c->speaker_backend == BACKEND_NETWORK && !c->broadcast.n)
-      fatal(0, "speaker_backend is network but broadcast is not set");
+    if(!strcmp(c->api, "command") && !c->speaker_command)
+      fatal(0, "'api command' but speaker_command is not set");
+    if((!strcmp(c->api, "rtp")) && !c->broadcast.n)
+      fatal(0, "'api rtp' but broadcast is not set");
   }
   /* Override sample format */
-  switch(c->speaker_backend) {
-  case BACKEND_NETWORK:
+  if(!strcmp(c->api, "rtp")) {
     c->sample_format.rate = 44100;
     c->sample_format.channels = 2;
     c->sample_format.bits = 16;
-    c->sample_format.endian = ENDIAN_BIG;
-    break;
-  case BACKEND_COREAUDIO:
+    c->sample_format.endian = ENDIAN_NATIVE;
+  }
+  if(!strcmp(c->api, "coreaudio")) {
     c->sample_format.rate = 44100;
     c->sample_format.channels = 2;
     c->sample_format.bits = 16;
     c->sample_format.endian = ENDIAN_NATIVE;
-    break; 
- }
+  }
+  if(!c->default_rights) {
+    rights_type r = RIGHTS__MASK & ~(RIGHT_ADMIN|RIGHT_REGISTER
+				     |RIGHT_MOVE__MASK
+				     |RIGHT_SCRATCH__MASK
+				     |RIGHT_REMOVE__MASK);
+    /* The idea is to approximate the meaning of the old 'restrict' directive
+     * in the default rights if they are not overridden. */
+    if(c->restrictions & RESTRICT_SCRATCH)
+      r |= RIGHT_SCRATCH_MINE|RIGHT_SCRATCH_RANDOM;
+    else
+      r |= RIGHT_SCRATCH_ANY;
+    if(!(c->restrictions & RESTRICT_MOVE))
+      r |= RIGHT_MOVE_ANY;
+    if(c->restrictions & RESTRICT_REMOVE)
+      r |= RIGHT_REMOVE_MINE;
+    else
+      r |= RIGHT_REMOVE_ANY;
+    c->default_rights = rights_string(r);
+  }
 }
 
 /** @brief (Re-)read the config file
@@ -1139,23 +1333,32 @@ int config_read(int server) {
     return -1;
   xfree(privconf);
   /* if there's a per-user system config file for this user, read it */
-  if(!(pw = getpwuid(getuid())))
-    fatal(0, "cannot determine our username");
-  if((privconf = config_usersysconf(pw))
-     && access(privconf, F_OK) == 0
-     && config_include(c, privconf))
+  if(config_per_user) {
+    if(!(pw = getpwuid(getuid())))
+      fatal(0, "cannot determine our username");
+    if((privconf = config_usersysconf(pw))
+       && access(privconf, F_OK) == 0
+       && config_include(c, privconf))
       return -1;
-  xfree(privconf);
-  /* if we have a password file, read it */
-  if((privconf = config_userconf(getenv("HOME"), pw))
-     && access(privconf, F_OK) == 0
-     && config_include(c, privconf))
-    return -1;
-  xfree(privconf);
+    xfree(privconf);
+    /* if we have a password file, read it */
+    if((privconf = config_userconf(0, pw))
+       && access(privconf, F_OK) == 0
+       && config_include(c, privconf))
+      return -1;
+    xfree(privconf);
+  }
   /* install default namepart and transform settings */
   config_postdefaults(c, server);
   /* everything is good so we shall use the new config */
   config_free(config);
+  /* warn about obsolete directives */
+  if(c->restrictions)
+    error(0, "'restrict' will be removed in a future version");
+  if(c->allow.n)
+    error(0, "'allow' will be removed in a future version");
+  if(c->trust.n)
+    error(0, "'trust' will be removed in a future version");
   config = c;
   return 0;
 }
@@ -1173,6 +1376,8 @@ char *config_private(void) {
 char *config_userconf(const char *home, const struct passwd *pw) {
   char *s;
 
+  if(!home && !pw && !(pw = getpwuid(getuid())))
+    fatal(0, "cannot determine our username");
   byte_xasprintf(&s, "%s/.disorder/passwd", home ? home : pw->pw_dir);
   return s;
 }
@@ -1190,7 +1395,7 @@ char *config_usersysconf(const struct passwd *pw) {
 }
 
 char *config_get_file(const char *name) {
-  return get_file(config, name);
+  return config_get_file2(config, name);
 }
 
 /*