gpg: Add function to extract the mailbox.

* g10/misc.c (has_invalid_email_chars, is_valid_mailbox)
(is_valid_user_id): Move to ...
* g10/mailbox.c: new file.
(string_has_ctrl_or_space, has_dotdot_after_at): New.
(has_invalid_email_chars): New.

* g10/t-mailbox.c: New.
* g10/Makefile.am (module_tests): Add t-mailbox.
(t_mailbox_SOURCES, t_mailbox_LDADD): New.
--

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 0 insertions, 75 deletions

diff --git a/g10/misc.c b/g10/misc.c
index 276ff0a1a..4cff2dc88 100644
--- a/g10/misc.c
+++ b/g10/misc.c
@@ -70,18 +70,6 @@
 
 #include <assert.h>
 
-static int
-string_count_chr (const char *string, int c)
-{
-  int count;
-
-  for (count=0; *string; string++ )
-    if ( *string == c )
-      count++;
-  return count;
-}
-
-
 
 #ifdef ENABLE_SELINUX_HACKS
 /* A object and a global variable to keep track of files marked as
@@ -1464,69 +1452,6 @@ parse_options(char *str,unsigned int *options,
 }
 
 
-/* Check whether the string has characters not valid in an RFC-822
-   address.  To cope with OpenPGP we ignore non-ascii characters
-   so that for example umlauts are legal in an email address.  An
-   OpenPGP user ID must be utf-8 encoded but there is no strict
-   requirement for RFC-822.  Thus to avoid IDNA encoding we put the
-   address verbatim as utf-8 into the user ID under the assumption
-   that mail programs handle IDNA at a lower level and take OpenPGP
-   user IDs as utf-8.  Note that we can't do an utf-8 encoding
-   checking here because in keygen.c this function is called with the
-   native encoding and native to utf-8 encoding is only done  later.  */
-int
-has_invalid_email_chars (const char *s)
-{
-  int at_seen=0;
-  const char *valid_chars=
-    "01234567890_-.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
-
-  for ( ; *s; s++ )
-    {
-      if ( (*s & 0x80) )
-        continue; /* We only care about ASCII.  */
-      if ( *s == '@' )
-        at_seen=1;
-      else if ( !at_seen && !(strchr (valid_chars, *s)
-                              || strchr ("!#$%&'*+/=?^`{|}~", *s)))
-        return 1;
-      else if ( at_seen && !strchr( valid_chars, *s ) )
-        return 1;
-    }
-  return 0;
-}
-
-
-/* Check whether NAME represents a valid mailbox according to
-   RFC822. Returns true if so. */
-int
-is_valid_mailbox (const char *name)
-{
-  return !( !name
-            || !*name
-            || has_invalid_email_chars (name)
-            || string_count_chr (name,'@') != 1
-            || *name == '@'
-            || name[strlen(name)-1] == '@'
-            || name[strlen(name)-1] == '.'
-            || strstr (name, "..") );
-}
-
-
-/* Check whether UID is a valid standard user id of the form
-     "Heinrich Heine <[email protected]>"
-   and return true if this is the case. */
-int
-is_valid_user_id (const char *uid)
-{
-  if (!uid || !*uid)
-    return 0;
-
-  return 1;
-}
-
-
-
 /* Similar to access(2), but uses PATH to find the file. */
 int
 path_access(const char *file,int mode)