X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/ad131c2579b5e9fda58e5d76bdb20d5949a711ee..05b3f1f69c02a260bb8315dcedd60d35daf1875c:/lib/client.c

diff --git a/lib/client.c b/lib/client.c
index 6f08fec..7ae0d07 100644
--- a/lib/client.c
+++ b/lib/client.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2004-2010 Richard Kettlewell
+ * Copyright (C) 2004-13 Richard Kettlewell
  *
  * 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
@@ -25,13 +25,25 @@
 #include "common.h"
 
 #include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <sys/un.h>
-#include <unistd.h>
+#if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#if HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#if HAVE_SYS_UN_H
+# include <sys/un.h>
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
 #include <errno.h>
-#include <netdb.h>
-#include <pcre.h>
+#if HAVE_NETDB_H
+# include <netdb.h>
+#endif
+#if HAVE_PCRE_H
+# include <pcre.h>
+#endif
 
 #include "log.h"
 #include "mem.h"
@@ -50,7 +62,6 @@
 #include "authhash.h"
 #include "client-common.h"
 #include "rights.h"
-#include "trackdb.h"
 #include "kvp.h"
 
 /** @brief Client handle contents */
@@ -67,6 +78,8 @@ struct disorder_client {
   int verbose;
   /** @brief Last error string */
   const char *last;
+  /** @brief Address family */
+  int family;
 };
 
 /** @brief Create a new client
@@ -81,9 +94,15 @@ disorder_client *disorder_new(int verbose) {
   disorder_client *c = xmalloc(sizeof (struct disorder_client));
 
   c->verbose = verbose;
+  c->family = -1;
   return c;
 }
 
+/** @brief Return the address family used by this client */
+int disorder_client_af(disorder_client *c) {
+  return c->family;
+}
+
 /** @brief Read a response line
  * @param c Client
  * @param rp Where to store response, or NULL (UTF-8)
@@ -176,6 +195,13 @@ static int check_response(disorder_client *c, char **rp) {
  * then the list is assumed to be NULL-terminated.  This may be used
  * any number of times.
  *
+ * Put @ref disorder__integer in the argument list followed by a long to
+ * send its value in decimal.  This may be used any number of times.
+ *
+ * Put @ref disorder__time in the argument list followed by a time_t
+ * to send its value in decimal.  This may be used any number of
+ * times.
+ *
  * Usually you would call this via one of the following interfaces:
  * - disorder_simple()
  */
@@ -205,14 +231,27 @@ static int disorder_simple_v(disorder_client *c,
       } else if(arg == disorder__list) {
 	char **list = va_arg(ap, char **);
 	int nlist = va_arg(ap, int);
+        int n;
 	if(nlist < 0) {
 	  for(nlist = 0; list[nlist]; ++nlist)
 	    ;
 	}
-	for(int n = 0; n < nlist; ++n) {
+	for(n = 0; n < nlist; ++n) {
 	  dynstr_append(&d, ' ');
 	  dynstr_append_string(&d, quoteutf8(arg));
 	}
+      } else if(arg == disorder__integer) {
+	long n = va_arg(ap, long);
+	char buffer[16];
+	snprintf(buffer, sizeof buffer, "%ld", n);
+	dynstr_append(&d, ' ');
+	dynstr_append_string(&d, buffer);
+      } else if(arg == disorder__time) {
+	time_t n = va_arg(ap, time_t);
+	char buffer[16];
+	snprintf(buffer, sizeof buffer, "%lld", (long long)n);
+	dynstr_append(&d, ' ');
+	dynstr_append_string(&d, buffer);
       } else {
 	dynstr_append(&d, ' ');
 	dynstr_append_string(&d, quoteutf8(arg));
@@ -225,10 +264,11 @@ static int disorder_simple_v(disorder_client *c,
       goto write_error;
     xfree(d.vec);
     if(has_body) {
+      int n;
       if(nbody < 0)
         for(nbody = 0; body[nbody]; ++nbody)
           ;
-      for(int n = 0; n < nbody; ++n) {
+      for(n = 0; n < nbody; ++n) {
         if(body[n][0] == '.')
           if(fputc('.', c->fpout) < 0)
             goto write_error;
@@ -389,6 +429,7 @@ int disorder_connect_generic(struct config *conf,
     disorder_error(errno, "error calling socket");
     return -1;
   }
+  c->family = sa->sa_family;
   if(connect(fd, sa, salen) < 0) {
     byte_xasprintf((char **)&c->last, "connect: %s", strerror(errno));
     disorder_error(errno, "error calling connect");
@@ -502,13 +543,13 @@ int disorder_connect(disorder_client *c) {
     return -1;
   }
   password = config->password;
-  /* Maybe we can read the database */
-  if(!password && trackdb_readable()) {
-    trackdb_init(TRACKDB_NO_RECOVER|TRACKDB_NO_UPGRADE);
-    trackdb_open(TRACKDB_READ_ONLY);
-    password = trackdb_get_password(username);
-    trackdb_close();
-  }
+  /* If we're connecting as 'root' guess that we're the system root
+   * user (or the jukebox user), both of which can use the privileged
+   * socket.  They can also furtle with the db directly: that is why
+   * privileged socket does not represent a privilege escalation. */
+  if(!password
+     && !strcmp(username, "root"))
+    password = "anything will do for root";
   if(!password) {
     /* Oh well */
     c->last = "no password";