See ChangeLog: Sun Jan 17 11:04:33 CET 1999 Werner Koch

19 files changed, 199 insertions, 156 deletions

diff --git a/cipher/ChangeLog b/cipher/ChangeLog
index a17ed34b4..c46ca5d86 100644
--- a/cipher/ChangeLog
+++ b/cipher/ChangeLog
@@ -1,3 +1,13 @@
+Sun Jan 17 11:04:33 CET 1999  Werner Koch  <[email protected]>
+
+	* des.c (is_weak_key): Replace system memcmp due to bugs
+	in SunOS's memcmp.
+	(des_get_info): Return error on failed selftest.
+	* twofish.c (twofish_setkey): Return error on failed selftest or
+	invalid keylength.
+	* cast5.c (cast_setkey): Ditto.
+	* blowfish.c (bf_setkey): Return error on failed selftest.
+
 Tue Jan 12 11:17:18 CET 1999  Werner Koch  <[email protected]>
 
 	* random.c (random_is_faked): New.
diff --git a/cipher/blowfish.c b/cipher/blowfish.c
index fdc4c4bfb..3bbc03835 100644
--- a/cipher/blowfish.c
+++ b/cipher/blowfish.c
@@ -34,10 +34,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
-#include "util.h"
 #include "types.h"
+#include "errors.h"
 #include "blowfish.h"
 
+
+
 #define CIPHER_ALGO_BLOWFISH	 4  /* blowfish 128 bit key */
 #define CIPHER_ALGO_BLOWFISH160 42  /* blowfish 160 bit key (not in OpenPGP)*/
 
@@ -451,7 +453,7 @@ decrypt_block( BLOWFISH_context *bc, byte *outbuf, byte *inbuf )
 }
 
 
-static void
+static const char*
 selftest()
 {
     BLOWFISH_context c;
@@ -464,18 +466,19 @@ selftest()
     bf_setkey( &c, "abcdefghijklmnopqrstuvwxyz", 26 );
     encrypt_block( &c, buffer, plain );
     if( memcmp( buffer, "\x32\x4E\xD0\xFE\xF4\x13\xA2\x03", 8 ) )
-	log_error("wrong blowfish encryption\n");
+	return "Blowfish selftest failed (1).";
     decrypt_block( &c, buffer, buffer );
     if( memcmp( buffer, plain, 8 ) )
-	log_bug("blowfish failed\n");
+	return "Blowfish selftest failed (2).";
 
     bf_setkey( &c, key3, 8 );
     encrypt_block( &c, buffer, plain3 );
     if( memcmp( buffer, cipher3, 8 ) )
-	log_error("wrong blowfish encryption (3)\n");
+	return "Blowfish selftest failed (3).";
     decrypt_block( &c, buffer, buffer );
     if( memcmp( buffer, plain3, 8 ) )
-	log_bug("blowfish failed (3)\n");
+	return "Blowfish selftest failed (4).";
+    return NULL;
 }
 
 
@@ -486,11 +489,16 @@ bf_setkey( BLOWFISH_context *c, byte *key, unsigned keylen )
     int i, j;
     u32 data, datal, datar;
     static int initialized;
+    static const char *selftest_failed;
 
     if( !initialized ) {
 	initialized = 1;
-	selftest();
+	selftest_failed = selftest();
+	if( selftest_failed )
+	    fprintf(stderr,"%s\n", selftest_failed );
     }
+    if( selftest_failed )
+	return G10ERR_SELFTEST_FAILED;
 
     for(i=0; i < BLOWFISH_ROUNDS+2; i++ )
 	c->p[i] = ps[i];
diff --git a/cipher/cast5.c b/cipher/cast5.c
index 279838fa3..6f131ca23 100644
--- a/cipher/cast5.c
+++ b/cipher/cast5.c
@@ -39,9 +39,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <assert.h>
-#include "util.h"
 #include "types.h"
+#include "errors.h"
 #include "cast5.h"
 
 
@@ -455,7 +454,7 @@ decrypt_block(	CAST5_context *c, byte *outbuf, byte *inbuf )
 
 
 
-static void
+static const char*
 selftest()
 {
     CAST5_context c;
@@ -468,10 +467,10 @@ selftest()
     cast_setkey( &c, key, 16 );
     encrypt_block( &c, buffer, plain );
     if( memcmp( buffer, cipher, 8 ) )
-	log_error("wrong cast5-128 encryption\n");
+	return "1";
     decrypt_block( &c, buffer, buffer );
     if( memcmp( buffer, plain, 8 ) )
-	log_bug("cast5-128 failed\n");
+	return "2";
 
   #if 0 /* full maintenance test */
     {
@@ -494,10 +493,11 @@ selftest()
 	    encrypt_block( &c, b0+8, b0+8 );
 	}
 	if( memcmp( a0, a1, 16 ) || memcmp( b0, b1, 16 ) )
-	    log_bug("cast5-128 maintenance test failed\n");
+	    return "3";
 
     }
   #endif
+    return NULL;
 }
 
 
@@ -553,6 +553,7 @@ static int
 cast_setkey( CAST5_context *c, byte *key, unsigned keylen )
 {
   static int initialized;
+  static const char* selftest_failed;
     int i;
     u32 x[4];
     u32 z[4];
@@ -560,10 +561,16 @@ cast_setkey( CAST5_context *c, byte *key, unsigned keylen )
 
     if( !initialized ) {
 	initialized = 1;
-	selftest();
+	selftest_failed = selftest();
+	if( selftest_failed )
+	    fprintf(stderr,"CAST5 selftest failed (%s).\n", selftest_failed );
     }
+    if( selftest_failed )
+	return G10ERR_SELFTEST_FAILED;
+
+    if( keylen != 16 )
+	return G10ERR_WRONG_KEYLEN;
 
-    assert(keylen==16);
     x[0] = key[0]  << 24 | key[1]  << 16 | key[2]  << 8 | key[3];
     x[1] = key[4]  << 24 | key[5]  << 16 | key[6]  << 8 | key[7];
     x[2] = key[8]  << 24 | key[9]  << 16 | key[10] << 8 | key[11];
diff --git a/cipher/des.c b/cipher/des.c
index 41c768894..088f5e142 100644
--- a/cipher/des.c
+++ b/cipher/des.c
@@ -113,12 +113,30 @@
 
 
 #include <config.h>
+#include <stdio.h>
 #include <string.h>	       /* memcpy, memcmp */
-#include <assert.h>
 #include "types.h"             /* for byte and u32 typedefs */
-#include "util.h"              /* for log_fatal() */
+#include "errors.h"
 #include "des.h"
 
+#if defined(__GNUC__) && defined(__GNU_LIBRARY__)
+#define working_memcmp memcmp
+#else
+/*
+ * According to the SunOS man page, memcmp returns indeterminate sign
+ * depending on whether characters are signed or not.
+ */
+int
+working_memcmp( const char *a, const char *b, size_t n )
+{
+    for( ; n; n--, a++, b++ )
+	if( *a != *b )
+	    return (int)(*(byte*)a) - (int)(*(byte*)b);
+    return 0;
+}
+#endif
+
+
 
 /* Some defines/checks to support standalone modules */
 
@@ -128,19 +146,6 @@
   #error CIPHER_ALGO_3DES is defined to a wrong value.
 #endif
 
-#ifndef G10ERR_WEAK_KEY
-  #define G10ERR_WEAK_KEY 43
-#elif G10ERR_WEAK_KEY != 43
-  #error G10ERR_WEAK_KEY is defined to a wrong value.
-#endif
-
-#ifndef G10ERR_WRONG_KEYLEN
-  #define G10ERR_WRONG_KEYLEN 44
-#elif G10ERR_WRONG_KEYLEN != 44
-  #error G10ERR_WRONG_KEYLEN is defined to a wrong value.
-#endif
-
-
 
 /* Macros used by the info function. */
 #define FNCCAST_SETKEY(f)  ((int(*)(void*, byte*, unsigned))(f))
@@ -167,6 +172,7 @@ typedef struct _tripledes_ctx
   }
 tripledes_ctx[1];
 
+static const char *selftest_failed;
 
 static void des_key_schedule (const byte *, u32 *);
 static int des_setkey (struct _des_ctx *, const byte *);
@@ -542,6 +548,9 @@ des_setkey (struct _des_ctx *ctx, const byte * key)
 {
   int i;
 
+  if( selftest_failed )
+    return G10ERR_SELFTEST_FAILED;
+
   des_key_schedule (key, ctx->encrypt_subkeys);
 
   for(i=0; i<32; i+=2)
@@ -706,6 +715,8 @@ tripledes_ecb_crypt (struct _tripledes_ctx *ctx, const byte * from, byte * to, i
 
 
 
+
+
 /*
  * Check whether the 8 byte key is weak.
  * Dose not check the parity bits of the key but simple ignore them.
@@ -727,7 +738,7 @@ is_weak_key ( const byte *key )
     {
       middle = (left + right) / 2;
 
-      if ( !(cmp_result=memcmp(work, weak_keys[middle], 8)) )
+      if ( !(cmp_result=working_memcmp(work, weak_keys[middle], 8)) )
 	  return -1;
 
       if ( cmp_result > 0 )
@@ -836,6 +847,8 @@ selftest (void)
 static int
 do_tripledes_setkey ( struct _tripledes_ctx *ctx, byte *key, unsigned keylen )
 {
+    if( selftest_failed )
+	return G10ERR_SELFTEST_FAILED;
     if( keylen != 24 )
 	return G10ERR_WRONG_KEYLEN;
 
@@ -879,9 +892,12 @@ des_get_info( int algo, size_t *keylen,
 
     if( !did_selftest ) {
 	const char *s = selftest();
-	if( s )
-	    log_fatal("selftest failed: %s\n", s );
 	did_selftest = 1;
+	if( s ) {
+	    fprintf(stderr,"%s\n", s );
+	    selftest_failed = s;
+	    return NULL;
+	}
     }
 
 
diff --git a/cipher/twofish.c b/cipher/twofish.c
index d93c145ea..d52377f76 100644
--- a/cipher/twofish.c
+++ b/cipher/twofish.c
@@ -19,14 +19,14 @@
 #include <config.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <assert.h> /* for assert() */
 #include <string.h> /* for memcmp() */
 
 #include "types.h"  /* for byte and u32 typedefs */
-#include "util.h"   /* for log_fatal() */
+#include "errors.h"
+
 
 /* Prototype for the self-test function. */
-static void selftest(void);
+static const char *selftest(void);
 
 /* Macros used by the info function. */
 #define FNCCAST_SETKEY(f)  ((int(*)(void*, byte*, unsigned))(f))
@@ -456,17 +456,23 @@ twofish_setkey (TWOFISH_context *ctx, const byte *key, const unsigned keylen)
    /* Temporary for CALC_S. */
    byte tmp;
 
-   /* Flag for self-test. */
+   /* Flags for self-test. */
    static int initialized = 0;
+   static const char *selftest_failed=0;
 
    /* Check key length. */
-   assert (keylen == 16);
+   if( keylen != 16 )
+       return G10ERR_WRONG_KEYLEN;
 
    /* Do self-test if necessary. */
    if (!initialized) {
       initialized = 1;
-      selftest ();
+      selftest_failed = selftest ();
+      if( selftest_failed )
+	fprintf(stderr, "%s\n", selftest_failed );
    }
+   if( selftest_failed )
+      return G10ERR_SELFTEST_FAILED;
 
    /* Compute the S vector.  The magic numbers are the entries of the RS
     * matrix, preprocessed through poly_to_exp.  The numbers in the comments
@@ -709,7 +715,7 @@ twofish_decrypt (const TWOFISH_context *ctx, byte *out, const byte *in)
 
 /* Test a single encryption and decryption, as a sanity check. */
 
-static void
+static const char*
 selftest (void)
 {
    TWOFISH_context ctx; /* Expanded key. */
@@ -736,10 +742,11 @@ selftest (void)
    twofish_setkey (&ctx, key, sizeof(key));
    twofish_encrypt (&ctx, scratch, plaintext);
    if (memcmp (scratch, ciphertext, sizeof (ciphertext)))
-     log_fatal ("Twofish test encryption failed\n");
+     return "Twofish test encryption failed.";
    twofish_decrypt (&ctx, scratch, scratch);
    if (memcmp (scratch, plaintext, sizeof (plaintext)))
-     log_fatal ("Twofish test decryption failed\n");
+     return "Twofish test decryption failed.";
+   return NULL;
 }
 
 /* More complete test program.	This does a thousand encryptions and
diff --git a/g10/ChangeLog b/g10/ChangeLog
index 60259ce4d..f5a694a8b 100644
--- a/g10/ChangeLog
+++ b/g10/ChangeLog
@@ -1,3 +1,11 @@
+Sun Jan 17 11:04:33 CET 1999  Werner Koch  <[email protected]>
+
+	* textfilter.c (text_filter): Now uses iobuf_read_line().
+	(read_line): Removed.
+
+	* armor.c (trim_trailing_spaces): Removed and replaced
+	by trim_trailing_ws from libutil
+
 Sat Jan 16 12:03:27 CET 1999  Werner Koch  <[email protected]>
 
 	* hkp.c (hkp_ask_import): Use only the short keyid
diff --git a/g10/armor.c b/g10/armor.c
index 1f23c6f64..491cab4fa 100644
--- a/g10/armor.c
+++ b/g10/armor.c
@@ -256,31 +256,6 @@ parse_hash_header( const char *line )
 
 
 
-
-static unsigned
-trim_trailing_spaces( byte *line, unsigned len )
-{
-    byte *p, *mark;
-    unsigned n;
-
-    for(mark=NULL, p=line, n=0; n < len; n++, p++ ) {
-	if( strchr(" \t\r\n", *p ) ) {
-	    if( !mark )
-		mark = p;
-	}
-	else
-	    mark = NULL;
-    }
-
-    if( mark ) {
-	*mark = 0;
-	return mark - line;
-    }
-    return len;
-}
-
-
-
 /****************
  * Check whether this is a armor line.
  * returns: -1 if it is not a armor header or the index number of the
@@ -339,7 +314,7 @@ parse_header_line( armor_filter_context_t *afx, byte *line, unsigned len )
 
     if( *line == '\n' || ( len && (*line == '\r' && line[1]=='\n') ) )
 	return 0; /* empty line */
-    len = trim_trailing_spaces( line, len );
+    len = trim_trailing_ws( line, len );
     p = strchr( line, ':');
     if( !p || !p[1] ) {
 	log_error(_("invalid armor header: "));
@@ -521,8 +496,7 @@ fake_packet( armor_filter_context_t *afx, IOBUF a,
 	if( !maxlen )
 	    afx->truncated++;
 	if( !afx->not_dash_escaped )
-	    afx->buffer_len = trim_trailing_spaces( afx->buffer,
-						    afx->buffer_len );
+	    afx->buffer_len = trim_trailing_ws( afx->buffer, afx->buffer_len );
 	p = afx->buffer;
 	n = afx->buffer_len;
 
diff --git a/g10/filter.h b/g10/filter.h
index f0448f1bd..ebd58e370 100644
--- a/g10/filter.h
+++ b/g10/filter.h
@@ -80,10 +80,11 @@ typedef struct {
 
 
 typedef struct {
-    int eof;
-    size_t idx;
-    size_t len;
-    byte buf[256];
+    byte *buffer;	    /* malloced buffer */
+    unsigned buffer_size;   /* and size of this buffer */
+    unsigned buffer_len;    /* used length of the buffer */
+    unsigned buffer_pos;    /* read position */
+    int truncated;	    /* number of truncated lines */
 } text_filter_context_t;
 
 
diff --git a/g10/free-packet.c b/g10/free-packet.c
index e953b0d45..78f81bd0a 100644
--- a/g10/free-packet.c
+++ b/g10/free-packet.c
@@ -444,6 +444,11 @@ cmp_signatures( PKT_signature *a, PKT_signature *b )
     return 0;
 }
 
+
+
+/****************
+ * Returns: true if the user ids do not match
+ */
 int
 cmp_user_ids( PKT_user_id *a, PKT_user_id *b )
 {
diff --git a/g10/sign.c b/g10/sign.c
index b011043b2..e8582f43d 100644
--- a/g10/sign.c
+++ b/g10/sign.c
@@ -349,8 +349,6 @@ sign_file( STRLIST filenames, int detached, STRLIST locusr,
 	     * data, it is not possible to know the used length
 	     * without a double read of the file - to avoid that
 	     * we simple use partial length packets.
-	     * FIXME: We have to do the double read when opt.rfc1991
-	     *	      is active.
 	     */
 	    if( opt.textmode && !outfile )
 		filesize = 0;
diff --git a/g10/textfilter.c b/g10/textfilter.c
index 9e820d159..9959c9335 100644
--- a/g10/textfilter.c
+++ b/g10/textfilter.c
@@ -30,72 +30,10 @@
 #include "memory.h"
 #include "util.h"
 #include "filter.h"
+#include "i18n.h"
 
 
-
-
-static int
-read_line( byte *buf, size_t *r_buflen, IOBUF a )
-{
-    int c;
-    int rc = 0;
-    byte *p;
-    size_t buflen;
-    int no_lf=0;
-    size_t n;
-
-    buflen = *r_buflen;
-    assert(buflen >= 20 );
-    buflen -= 3; /* leave some room for CR,LF and one extra */
-
-    for(c=0, n=0; n < buflen && (c=iobuf_get(a)) != -1 && c != '\n'; )
-	buf[n++] = c;
-    buf[n] = 0;
-    if( c == -1 ) {
-	rc = -1;
-	if( !n || buf[n-1] != '\n' )
-	    no_lf = 1;
-    }
-    else if( c != '\n' ) {
-	IOBUF b = iobuf_temp();
-	while( (c=iobuf_get(a)) != -1 && c != '\n' ) {
-	    iobuf_put(b,c);
-	    if( c != ' ' && c != '\t' && c != '\r' )
-		break;
-	}
-	if( c == '\n' ) { /* okay we can skip the rest of the line */
-	    iobuf_close(b);
-	}
-	else {
-	    iobuf_unget_and_close_temp(a,b);
-	    no_lf = 1;
-	}
-    }
-
-    if( !no_lf ) {
-	/* append CR,LF after removing trailing wspaces */
-	for(p=buf+n-1; n; n--, p-- ) {
-	    assert( *p != '\n' );
-	    if( *p != ' ' && *p != '\t' && *p != '\r' ) {
-		p[1] = '\r';
-		p[2] = '\n';
-		n += 2;
-		break;
-	    }
-	}
-	if( !n ) {
-	    buf[0] = '\r';
-	    buf[1] = '\n';
-	    n = 2;
-	}
-    }
-
-
-    *r_buflen = n;
-    return rc;
-}
-
-
+#define MAX_LINELEN 20000
 
 
 /****************
@@ -109,33 +47,52 @@ text_filter( void *opaque, int control,
     size_t size = *ret_len;
     text_filter_context_t *tfx = opaque;
     int rc=0;
-    size_t len, n, nn;
 
     if( control == IOBUFCTRL_UNDERFLOW ) {
-	assert( size > 30 );
-	len = 0;
+	size_t len = 0;
+	unsigned maxlen;
+
+	assert( size > 10 );
+	size -= 2;  /* reserve 2 bytes to append CR,LF */
 	while( !rc && len < size ) {
-	    if( tfx->idx < tfx->len ) { /* flush the last buffer */
-		n = tfx->len;
-		for(nn=tfx->idx; len < size && nn < n ; nn++ )
-		    buf[len++] = tfx->buf[nn];
-		tfx->idx = nn;
+	    int lf_seen;
+
+	    while( len < size && tfx->buffer_pos < tfx->buffer_len )
+		buf[len++] = tfx->buffer[tfx->buffer_pos++];
+	    if( len >= size )
 		continue;
+
+	    /* read the next line */
+	    maxlen = MAX_LINELEN;
+	    tfx->buffer_pos = 0;
+	    tfx->buffer_len = iobuf_read_line( a, &tfx->buffer,
+					       &tfx->buffer_size, &maxlen );
+	    if( !maxlen )
+		tfx->truncated++;
+	    if( !tfx->buffer_len ) {
+		if( !len )
+		    rc = -1; /* eof */
+		break;
 	    }
-	    if( tfx->eof ) {
-		rc = -1;
-		continue;
+	    lf_seen = tfx->buffer[tfx->buffer_len-1] == '\n';
+	    tfx->buffer_len = trim_trailing_ws( tfx->buffer, tfx->buffer_len );
+	    if( lf_seen ) {
+		tfx->buffer[tfx->buffer_len++] = '\r';
+		tfx->buffer[tfx->buffer_len++] = '\n';
 	    }
-	    n = DIM(tfx->buf);
-	    tfx->idx = 0;
-	    if( read_line( tfx->buf, &n, a ) == -1 )
-		tfx->eof = 1;
-	    tfx->len = n;
 	}
+
 	*ret_len = len;
     }
     else if( control == IOBUFCTRL_DESC )
 	*(char**)buf = "text_filter";
+    else if( control == IOBUFCTRL_FREE ) {
+	if( tfx->truncated )
+	    log_error(_("can't handle text lines longer than %d characters\n"),
+			MAX_LINELEN );
+	m_free( tfx->buffer );
+	tfx->buffer = NULL;
+    }
     return rc;
 }
 
diff --git a/include/errors.h b/include/errors.h
index 56dd14ada..32d1ea55e 100644
--- a/include/errors.h
+++ b/include/errors.h
@@ -69,6 +69,7 @@
 #define G10ERR_INVALID_URI    47  /* e.g. unsupported scheme */
 #define G10ERR_NETWORK	      48  /* general network error */
 #define G10ERR_UNKNOWN_HOST   49
+#define G10ERR_SELFTEST_FAILED 50
 
 
 #ifndef HAVE_STRERROR
diff --git a/include/util.h b/include/util.h
index 892d508cc..8b8df37e8 100644
--- a/include/util.h
+++ b/include/util.h
@@ -161,6 +161,7 @@ STRLIST strlist_last( STRLIST node );
 const char *memistr( const char *buf, size_t buflen, const char *sub );
 char *mem2str( char *, const void *, size_t);
 char *trim_spaces( char *string );
+unsigned trim_trailing_ws( byte *line, unsigned len );
 int string_count_chr( const char *string, int c );
 int set_native_charset( const char *newset );
 char *native_to_utf8( const char *string );
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 3fb020b0c..83e96710f 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -35,6 +35,7 @@ g10/hkp.c
 g10/seckey-cert.c
 g10/sig-check.c
 g10/sign.c
+g10/textfilter.c
 g10/tdbio.c
 g10/trustdb.c
 g10/verify.c
diff --git a/scripts/ChangeLog b/scripts/ChangeLog
index b3eaae7f3..9f2241b21 100644
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jan 17 11:04:33 CET 1999  Werner Koch  <[email protected]>
+
+	* autogen.sh: Now checks for installed gettext
+
 Sat Jan 16 09:27:30 CET 1999  Werner Koch  <[email protected]>
 
 	* config.guess (m68k-atari-mint): New.
diff --git a/scripts/autogen.sh b/scripts/autogen.sh
index cba5adcc1..813786c7f 100755
--- a/scripts/autogen.sh
+++ b/scripts/autogen.sh
@@ -35,6 +35,18 @@ else
     DIE="yes"
 fi
 
+
+if (gettext --version </dev/null 2>/dev/null | awk 'NR==1 { split($4,A,"\."); \
+    X=10000*A[1]+100*A[2]+A[3]; echo X; if( X >= 1035 ) exit 1; exit 0}')
+    then
+    echo "**Error**: You must have "\`gettext\'" installed to compile $PGM."
+    echo '           (version 0.10.35 or newer is required; get'
+    echo '            ftp://alpha.gnu.org/gnu/gettext-0.10.35.tar.gz)'
+    DIE="yes"
+fi
+
+
+
 if test "$DIE" = "yes"; then
     exit 1
 fi
diff --git a/util/ChangeLog b/util/ChangeLog
index 39165bbe6..1f3a87a24 100644
--- a/util/ChangeLog
+++ b/util/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jan 17 11:04:33 CET 1999  Werner Koch  <[email protected]>
+
+	* strgutil.c (trim_trailing_ws): New.
+
 Sat Jan 16 12:03:27 CET 1999  Werner Koch  <[email protected]>
 
 	* http.c (connect_server): Fixed stupid bug.
diff --git a/util/errors.c b/util/errors.c
index 003be82fd..3e9dbcf79 100644
--- a/util/errors.c
+++ b/util/errors.c
@@ -98,6 +98,7 @@ g10_errstr( int err )
       X(BAD_URI        ,N_("bad URI"))
       X(INVALID_URI    ,N_("unsupported URI"))
       X(NETWORK        ,N_("network error"))
+      X(SELFTEST_FAILED,"selftest failed")
       default: p = buf; sprintf(buf, "g10err=%d", err); break;
     }
   #undef X
diff --git a/util/strgutil.c b/util/strgutil.c
index d5379f903..b3213dc9c 100644
--- a/util/strgutil.c
+++ b/util/strgutil.c
@@ -191,6 +191,34 @@ trim_spaces( char *str )
 }
 
 
+
+/****************
+ * remove trailing white spaces and return the length of the buffer
+ */
+unsigned
+trim_trailing_ws( byte *line, unsigned len )
+{
+    byte *p, *mark;
+    unsigned n;
+
+    for(mark=NULL, p=line, n=0; n < len; n++, p++ ) {
+	if( strchr(" \t\r\n", *p ) ) {
+	    if( !mark )
+		mark = p;
+	}
+	else
+	    mark = NULL;
+    }
+
+    if( mark ) {
+	*mark = 0;
+	return mark - line;
+    }
+    return len;
+}
+
+
+
 int
 string_count_chr( const char *string, int c )
 {