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* g10.c (add_notation_data): Disallow notation names that do not contain a

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'@', unless --expert is set.  This is to help prevent people from
polluting the (as yet unused) IETF namespace.

* main.h: Comments about default algorithms.

* photoid.c (image_type_to_string): Comments about 3-letter file
extensions.
This commit is contained in:
David Shaw 2002-11-24 01:49:32 +00:00
parent 0cd879cd9c
commit a5b9770a8b
4 changed files with 37 additions and 8 deletions
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9
g10/ChangeLog
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@ -1,5 +1,14 @@
2002-11-23 David Shaw <dshaw@jabberwocky.com>
* g10.c (add_notation_data): Disallow notation names that do not
contain a '@', unless --expert is set. This is to help prevent
people from polluting the (as yet unused) IETF namespace.
* main.h: Comments about default algorithms.
* photoid.c (image_type_to_string): Comments about 3-letter file
extensions.
* encode.c (encode_simple), passphrase.c (passphrase_to_dek),
sign.c (sign_symencrypt_file): Use --s2k-digest-algo for
passphrase mangling rather than --digest-algo.

21
g10/g10.c
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@ -2812,6 +2812,7 @@ add_notation_data( const char *string, int which )
STRLIST sl,*notation_data;
int critical=0;
int highbit=0;
int saw_at=0;
if(which)
notation_data=&opt.cert_notation_data;
@ -2823,13 +2824,29 @@ add_notation_data( const char *string, int which )
string++;
}
for( s=string ; *s != '='; s++ ) {
if( !*s || (*s & 0x80) || (!isgraph(*s) && !isspace(*s)) ) {
/* If and when the IETF assigns some official name tags, we'll
have to add them here. */
for( s=string ; *s != '='; s++ )
{
if( *s=='@')
saw_at=0;
if( !*s || (*s & 0x80) || (!isgraph(*s) && !isspace(*s)) )
{
log_error(_("a notation name must have only printable characters "
"or spaces, and end with an '='\n") );
return;
}
}
if(!saw_at && !opt.expert)
{
log_error(
_("a user notation name must contain the '@' character\n"));
return;
}
/* we only support printable text - therefore we enforce the use
* of only printable characters (an empty value is valid) */
for( s++; *s ; s++ ) {

4
g10/main.h
View File

@ -25,8 +25,10 @@
#include "cipher.h"
#include "keydb.h"
/* It could be argued that the default cipher should be 3DES rather
than CAST5, and the default compression should be 0
(i.e. uncompressed) rather than 1 (zip). */
#define DEFAULT_CIPHER_ALGO CIPHER_ALGO_CAST5
#define DEFAULT_PUBKEY_ALGO PUBKEY_ALGO_ELGAMAL
#define DEFAULT_DIGEST_ALGO DIGEST_ALGO_SHA1
#define DEFAULT_COMPRESS_ALGO 1

7
g10/photoid.c
View File

@ -189,8 +189,9 @@ int parse_image_header(const struct user_attribute *attr,byte *type,u32 *len)
/* style==0 for extension, 1 for name, 2 for MIME type. Remember that
the "name" style string could be used in a user ID name field, so
make sure it is not too big (see
parse-packet.c:parse_attribute). */
make sure it is not too big (see parse-packet.c:parse_attribute).
Extensions should be 3 characters long for the best cross-platform
compatibility. */
char *image_type_to_string(byte type,int style)
{
char *string;
@ -288,7 +289,7 @@ void show_photos(const struct user_attribute *attrs,
/* Make the filename. Notice we are not using the image
encoding type for more than cosmetics. Most external image
viewers can handle a multitude of types, and even if one
cannot understand a partcular type, we have no way to know
cannot understand a particular type, we have no way to know
which. The spec permits this, by the way. -dms */
#ifdef USE_ONLY_8DOT3