Merged with upstream r328

  Wilmer van der Gaast 2008-02-11 Got rid of some noise at startup: complaining when the default configuration
    Wilmer van der Gaast 2008-02-10 Added support for password-protected Jabber chatrooms.
    Wilmer van der Gaast 2008-02-10 Making AI_ADDRCONFIG optional, it doesn't exist on at least NetBSD and
    Wilmer van der Gaast 2008-02-09 Restored "add -tmp". A bit hackish, but it will do for now.
    Wilmer van der Gaast 2008-02-07 Fixed getnameinfo() calls, this fixes Solaris stability issues. Thanks to
    Wilmer van der Gaast 2008-02-04 Added bogus G_GNUC_MALLOC to restore GLib 2.4 compatibility (hopefully).
    Wilmer van der Gaast 2008-02-03 Messages from the user are also included in backlogs when joining a Jabber
    Wilmer van der Gaast 2008-02-03 Disabling "Unknown command" warnings since they're very noisy and pretty
    Wilmer van der Gaast 2008-02-03 Implemented XEP-0115. This adds some info to the <presence/> tags so
    Wilmer van der Gaast 2008-02-03 Saner garbage collection of cached packets in the Jabber module. Now
    Wilmer van der Gaast 2008-02-02 Added help_free() and cleaned up some very stale help-related stuff I
    Wilmer van der Gaast 2008-01-30 Fixed handling of OSCAR multi-part messages... They're not arrays, they're
    Wilmer van der Gaast 2008-01-24 Keeping track of valid Jabber connections so _connected() events will be
    Wilmer van der Gaast 2008-01-24 Fixed two valgrind warnings (partially uninitialized "struct tm" vars.)
    Wilmer van der Gaast 2008-01-20 The Jabber module now uses imcb_chat_log() instead of imcb_log() where
    Wilmer van der Gaast 2008-01-20 Added imcb_chat_log() for chatroom system messages, so they can be
    Wilmer van der Gaast 2008-01-20 GET_BUDDY_FIRST wasn't actually implemented, even though it was in use
    Wilmer van der Gaast 2008-01-19 Using test -f instead of test -e. This breaks if the include files are
    Wilmer van der Gaast 2008-01-19 Added byte swapping code to the new MD5 checksumming code to make it work
    Wilmer van der Gaast 2008-01-18 Moving imcb_chat_new() to a saner location (no code changes) and fixing
    Wilmer van der Gaast 2008-01-17 Apparently ext_yahoo_got_im can be called with msg=NULL, so it should be
    Wilmer van der Gaast 2008-01-17 Fixing some Solaris compiler warnings (u_int->uint, adding some typecasts
    Wilmer van der Gaast 2008-01-13 Fixed handing of failed groupchat joins.
    Wilmer van der Gaast 2008-01-13 Fixed "Conditional jump or move depends on uninitialised value(s)" at
    Wilmer van der Gaast 2008-01-13 Fixed quickstart2. (Bug #349.)
    Wilmer van der Gaast 2008-01-13 Different handling of charset mismatches before login time. Ignoring a
    Wilmer van der Gaast 2008-01-12 When a switchboard connection dies (at the TCP level) and there are still
    Wilmer van der Gaast 2008-01-12 Killed info_string_append() and now showing the IP address of ICQ users
    Wilmer van der Gaast 2008-01-11 Fixing bug #344, now away states should always be correct, even when people
    Wilmer van der Gaast 2008-01-11 Adding own handle to protocol name in blist output for people with multiple
    Wilmer van der Gaast 2008-01-10 Now setting odata->icq properly again, this got lost some time ago, which
    Wilmer van der Gaast 2008-01-06 More consistency in error/warning errors. Until now "WARNING:" was usually
    Wilmer van der Gaast 2008-01-06 Changed warning message about unsent MSN messages. It should show the actual
    Wilmer van der Gaast 2008-01-05 Added "mail_notifications" setting. Who needs those notifications anyway?
    Wilmer van der Gaast 2008-01-05 Build fix from vmiklos.
    Wilmer van der Gaast 2008-01-05 Added handling of MSN switchboard NAK messages. Untested, but hey, it
    Wilmer van der Gaast 2008-01-05 Removed closure->result. I was planning to add some more stuff, but will
    Miklos Vajna 2007-12-31 encode: md5.c is no longer in protocols/, it's in lib/
    Wilmer van der Gaast 2007-12-28 Fixed return value check in proxy_connect(), since on some systems
    Wilmer van der Gaast 2007-12-28 Added missing return in jabber_login().
    Wilmer van der Gaast 2007-12-16 Implemented XEP-0199 (patch from misc@mandriva.org).
    Wilmer van der Gaast 2007-12-12 Checking conn->xcred before trying to clean it up since GnuTLS doesn't
    Wilmer van der Gaast 2007-12-12 Killed the <server> parameter to "account add" and changed the default
    Wilmer van der Gaast 2007-12-12 Fixed sockerr_again() usage in Jabber module to (hopefully) fix a 100% CPU
    Wilmer van der Gaast 2007-12-10 Don't allow nicks that start with a number.
    Wilmer van der Gaast 2007-12-10 Fixed "set xxx" syntax (it showed all settings instead of just xxx).
    Wilmer van der Gaast 2007-12-09 If I keep forgetting to credit people in commit msgs I should probably add
    Wilmer van der Gaast 2007-12-09 Added /invite support for Jabber chatrooms (and fixed the argument order

1 files changed, 106 insertions, 79 deletions

diff --git a/lib/md5.c b/lib/md5.c
index 08c298a2..3c39eccd 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -25,7 +25,7 @@
 #include <string.h>		/* for memcpy() */
 #include "md5.h"
 
-static void md5_transform(u_int32_t buf[4], u_int32_t const in[16]);
+static void md5_transform(uint32_t buf[4], uint32_t const in[16]);
 
 /*
  * Wrapper function for all-in-one MD5
@@ -34,6 +34,29 @@ static void md5_transform(u_int32_t buf[4], u_int32_t const in[16]);
  * 20021120
  */
 
+/* Turns out MD5 was designed for little-endian machines. If we're running
+   on a big-endian machines, we have to swap some bytes. Since detecting
+   endianness at compile time reliably seems pretty hard, let's do it at
+   run-time. It's not like we're going to checksum megabytes of data... */
+static uint32_t cvt32(uint32_t val)
+{
+	static int little_endian = -1;
+	
+	if (little_endian == -1)
+	{
+		little_endian = 1;
+		little_endian = *((char*) &little_endian);
+	}
+	
+	if (little_endian)
+		return val;
+	else
+		return (val >> 24) |
+		       ((val >> 8) & 0xff00) |
+		       ((val << 8) & 0xff0000) |
+		       (val << 24);
+}
+
 void md5_init(struct MD5Context *ctx)
 {
 	ctx->buf[0] = 0x67452301;
@@ -52,12 +75,12 @@ void md5_init(struct MD5Context *ctx)
 void md5_append(struct MD5Context *ctx, const md5_byte_t *buf,
 		unsigned int len)
 {
-	u_int32_t t;
+	uint32_t t;
 
 	/* Update bitcount */
 
 	t = ctx->bits[0];
-	if ((ctx->bits[0] = t + ((u_int32_t) len << 3)) < t)
+	if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
 		ctx->bits[1]++;	/* Carry from low to high */
 	ctx->bits[1] += len >> 29;
 
@@ -74,7 +97,7 @@ void md5_append(struct MD5Context *ctx, const md5_byte_t *buf,
 			return;
 		}
 		memcpy(p, buf, t);
-		md5_transform(ctx->buf, (u_int32_t *) ctx->in);
+		md5_transform(ctx->buf, (uint32_t *) ctx->in);
 		buf += t;
 		len -= t;
 	}
@@ -82,7 +105,7 @@ void md5_append(struct MD5Context *ctx, const md5_byte_t *buf,
 
 	while (len >= 64) {
 		memcpy(ctx->in, buf, 64);
-		md5_transform(ctx->buf, (u_int32_t *) ctx->in);
+		md5_transform(ctx->buf, (uint32_t *) ctx->in);
 		buf += 64;
 		len -= 64;
 	}
@@ -116,7 +139,7 @@ void md5_finish(struct MD5Context *ctx, md5_byte_t digest[16])
 	if (count < 8) {
 		/* Two lots of padding:  Pad the first block to 64 bytes */
 		memset(p, 0, count);
-		md5_transform(ctx->buf, (u_int32_t *) ctx->in);
+		md5_transform(ctx->buf, (uint32_t *) ctx->in);
 
 		/* Now fill the next block with 56 bytes */
 		memset(ctx->in, 0, 56);
@@ -126,10 +149,14 @@ void md5_finish(struct MD5Context *ctx, md5_byte_t digest[16])
 	}
 
 	/* Append length in bits and transform */
-	((u_int32_t *) ctx->in)[14] = ctx->bits[0];
-	((u_int32_t *) ctx->in)[15] = ctx->bits[1];
-
-	md5_transform(ctx->buf, (u_int32_t *) ctx->in);
+	((uint32_t *) ctx->in)[14] = cvt32(ctx->bits[0]);
+	((uint32_t *) ctx->in)[15] = cvt32(ctx->bits[1]);
+
+	md5_transform(ctx->buf, (uint32_t *) ctx->in);
+	ctx->buf[0] = cvt32(ctx->buf[0]);
+	ctx->buf[1] = cvt32(ctx->buf[1]);
+	ctx->buf[2] = cvt32(ctx->buf[2]);
+	ctx->buf[3] = cvt32(ctx->buf[3]);
 	memcpy(digest, ctx->buf, 16);
 	memset(ctx, 0, sizeof(ctx));	/* In case it's sensitive */
 }
@@ -151,82 +178,82 @@ void md5_finish(struct MD5Context *ctx, md5_byte_t digest[16])
  * reflect the addition of 16 longwords of new data.  MD5Update blocks
  * the data and converts bytes into longwords for this routine.
  */
-static void md5_transform(u_int32_t buf[4], u_int32_t const in[16])
+static void md5_transform(uint32_t buf[4], uint32_t const in[16])
 {
-	register u_int32_t a, b, c, d;
+	register uint32_t a, b, c, d;
 
 	a = buf[0];
 	b = buf[1];
 	c = buf[2];
 	d = buf[3];
 
-	MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
-	MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
-	MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
-	MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
-	MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
-	MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
-	MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
-	MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
-	MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
-	MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
-	MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
-	MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
-	MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
-	MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
-	MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
-	MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
-	MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
-	MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
-	MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
-	MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
-	MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
-	MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
-	MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
-	MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
-	MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
-	MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
-	MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
-	MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
-	MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
-	MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
-	MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
-	MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
-	MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
-	MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
-	MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
-	MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
-	MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
-	MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
-	MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
-	MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
-	MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
-	MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
-	MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
-	MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
-	MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
-	MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
-	MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
-	MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
-	MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
-	MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
-	MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
-	MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
-	MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
-	MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
-	MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
-	MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
-	MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
-	MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
-	MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
-	MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
-	MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
-	MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
-	MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
-	MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
+	MD5STEP(F1, a, b, c, d, cvt32(in[0]) + 0xd76aa478, 7);
+	MD5STEP(F1, d, a, b, c, cvt32(in[1]) + 0xe8c7b756, 12);
+	MD5STEP(F1, c, d, a, b, cvt32(in[2]) + 0x242070db, 17);
+	MD5STEP(F1, b, c, d, a, cvt32(in[3]) + 0xc1bdceee, 22);
+	MD5STEP(F1, a, b, c, d, cvt32(in[4]) + 0xf57c0faf, 7);
+	MD5STEP(F1, d, a, b, c, cvt32(in[5]) + 0x4787c62a, 12);
+	MD5STEP(F1, c, d, a, b, cvt32(in[6]) + 0xa8304613, 17);
+	MD5STEP(F1, b, c, d, a, cvt32(in[7]) + 0xfd469501, 22);
+	MD5STEP(F1, a, b, c, d, cvt32(in[8]) + 0x698098d8, 7);
+	MD5STEP(F1, d, a, b, c, cvt32(in[9]) + 0x8b44f7af, 12);
+	MD5STEP(F1, c, d, a, b, cvt32(in[10]) + 0xffff5bb1, 17);
+	MD5STEP(F1, b, c, d, a, cvt32(in[11]) + 0x895cd7be, 22);
+	MD5STEP(F1, a, b, c, d, cvt32(in[12]) + 0x6b901122, 7);
+	MD5STEP(F1, d, a, b, c, cvt32(in[13]) + 0xfd987193, 12);
+	MD5STEP(F1, c, d, a, b, cvt32(in[14]) + 0xa679438e, 17);
+	MD5STEP(F1, b, c, d, a, cvt32(in[15]) + 0x49b40821, 22);
+
+	MD5STEP(F2, a, b, c, d, cvt32(in[1]) + 0xf61e2562, 5);
+	MD5STEP(F2, d, a, b, c, cvt32(in[6]) + 0xc040b340, 9);
+	MD5STEP(F2, c, d, a, b, cvt32(in[11]) + 0x265e5a51, 14);
+	MD5STEP(F2, b, c, d, a, cvt32(in[0]) + 0xe9b6c7aa, 20);
+	MD5STEP(F2, a, b, c, d, cvt32(in[5]) + 0xd62f105d, 5);
+	MD5STEP(F2, d, a, b, c, cvt32(in[10]) + 0x02441453, 9);
+	MD5STEP(F2, c, d, a, b, cvt32(in[15]) + 0xd8a1e681, 14);
+	MD5STEP(F2, b, c, d, a, cvt32(in[4]) + 0xe7d3fbc8, 20);
+	MD5STEP(F2, a, b, c, d, cvt32(in[9]) + 0x21e1cde6, 5);
+	MD5STEP(F2, d, a, b, c, cvt32(in[14]) + 0xc33707d6, 9);
+	MD5STEP(F2, c, d, a, b, cvt32(in[3]) + 0xf4d50d87, 14);
+	MD5STEP(F2, b, c, d, a, cvt32(in[8]) + 0x455a14ed, 20);
+	MD5STEP(F2, a, b, c, d, cvt32(in[13]) + 0xa9e3e905, 5);
+	MD5STEP(F2, d, a, b, c, cvt32(in[2]) + 0xfcefa3f8, 9);
+	MD5STEP(F2, c, d, a, b, cvt32(in[7]) + 0x676f02d9, 14);
+	MD5STEP(F2, b, c, d, a, cvt32(in[12]) + 0x8d2a4c8a, 20);
+
+	MD5STEP(F3, a, b, c, d, cvt32(in[5]) + 0xfffa3942, 4);
+	MD5STEP(F3, d, a, b, c, cvt32(in[8]) + 0x8771f681, 11);
+	MD5STEP(F3, c, d, a, b, cvt32(in[11]) + 0x6d9d6122, 16);
+	MD5STEP(F3, b, c, d, a, cvt32(in[14]) + 0xfde5380c, 23);
+	MD5STEP(F3, a, b, c, d, cvt32(in[1]) + 0xa4beea44, 4);
+	MD5STEP(F3, d, a, b, c, cvt32(in[4]) + 0x4bdecfa9, 11);
+	MD5STEP(F3, c, d, a, b, cvt32(in[7]) + 0xf6bb4b60, 16);
+	MD5STEP(F3, b, c, d, a, cvt32(in[10]) + 0xbebfbc70, 23);
+	MD5STEP(F3, a, b, c, d, cvt32(in[13]) + 0x289b7ec6, 4);
+	MD5STEP(F3, d, a, b, c, cvt32(in[0]) + 0xeaa127fa, 11);
+	MD5STEP(F3, c, d, a, b, cvt32(in[3]) + 0xd4ef3085, 16);
+	MD5STEP(F3, b, c, d, a, cvt32(in[6]) + 0x04881d05, 23);
+	MD5STEP(F3, a, b, c, d, cvt32(in[9]) + 0xd9d4d039, 4);
+	MD5STEP(F3, d, a, b, c, cvt32(in[12]) + 0xe6db99e5, 11);
+	MD5STEP(F3, c, d, a, b, cvt32(in[15]) + 0x1fa27cf8, 16);
+	MD5STEP(F3, b, c, d, a, cvt32(in[2]) + 0xc4ac5665, 23);
+
+	MD5STEP(F4, a, b, c, d, cvt32(in[0]) + 0xf4292244, 6);
+	MD5STEP(F4, d, a, b, c, cvt32(in[7]) + 0x432aff97, 10);
+	MD5STEP(F4, c, d, a, b, cvt32(in[14]) + 0xab9423a7, 15);
+	MD5STEP(F4, b, c, d, a, cvt32(in[5]) + 0xfc93a039, 21);
+	MD5STEP(F4, a, b, c, d, cvt32(in[12]) + 0x655b59c3, 6);
+	MD5STEP(F4, d, a, b, c, cvt32(in[3]) + 0x8f0ccc92, 10);
+	MD5STEP(F4, c, d, a, b, cvt32(in[10]) + 0xffeff47d, 15);
+	MD5STEP(F4, b, c, d, a, cvt32(in[1]) + 0x85845dd1, 21);
+	MD5STEP(F4, a, b, c, d, cvt32(in[8]) + 0x6fa87e4f, 6);
+	MD5STEP(F4, d, a, b, c, cvt32(in[15]) + 0xfe2ce6e0, 10);
+	MD5STEP(F4, c, d, a, b, cvt32(in[6]) + 0xa3014314, 15);
+	MD5STEP(F4, b, c, d, a, cvt32(in[13]) + 0x4e0811a1, 21);
+	MD5STEP(F4, a, b, c, d, cvt32(in[4]) + 0xf7537e82, 6);
+	MD5STEP(F4, d, a, b, c, cvt32(in[11]) + 0xbd3af235, 10);
+	MD5STEP(F4, c, d, a, b, cvt32(in[2]) + 0x2ad7d2bb, 15);
+	MD5STEP(F4, b, c, d, a, cvt32(in[9]) + 0xeb86d391, 21);
 
 	buf[0] += a;
 	buf[1] += b;