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gpg: Lowercase mailbox for PKA lookups.

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* common/stringhelp.c (ascii_strlwr): New.
* common/mbox-util.c (mailbox_from_userid): Downcase result.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-02-26 18:16:45 +01:00
parent 736710aede
commit c071be698e
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 17 additions and 3 deletions
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7
common/mbox-util.c
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@ -124,8 +124,9 @@ is_valid_mailbox (const char *name)
/* Return the mailbox (local-part@domain) form a standard user id. /* Return the mailbox (local-part@domain) form a standard user id.
Caller must free the result. Returns NULL if no valid mailbox was All plain ASCII characters in the result are converted to
found (or we are out of memory). */ lowercase. Caller must free the result. Returns NULL if no valid
mailbox was found (or we are out of memory). */
char * char *
mailbox_from_userid (const char *userid) mailbox_from_userid (const char *userid)
{ {
@ -176,7 +177,7 @@ mailbox_from_userid (const char *userid)
else else
errno = EINVAL; errno = EINVAL;
return result; return result? ascii_strlwr (result): NULL;
} }

12
common/stringhelp.c
View File

@ -804,6 +804,18 @@ ascii_tolower (int c)
return c; return c;
} }
/* Lowercase all ASCII characters in S. */
char *
ascii_strlwr (char *s)
{
char *p = s;
for (p=s; *p; p++ )
if (isascii (*p) && *p >= 'A' && *p <= 'Z')
*p |= 0x20;
return s;
}
int int
ascii_strcasecmp( const char *a, const char *b ) ascii_strcasecmp( const char *a, const char *b )

1
common/stringhelp.h
View File

@ -75,6 +75,7 @@ int ascii_isupper (int c);
int ascii_islower (int c); int ascii_islower (int c);
int ascii_toupper (int c); int ascii_toupper (int c);
int ascii_tolower (int c); int ascii_tolower (int c);
char *ascii_strlwr (char *s);
int ascii_strcasecmp( const char *a, const char *b ); int ascii_strcasecmp( const char *a, const char *b );
int ascii_strncasecmp (const char *a, const char *b, size_t n); int ascii_strncasecmp (const char *a, const char *b, size_t n);
int ascii_memcasecmp( const void *a, const void *b, size_t n ); int ascii_memcasecmp( const void *a, const void *b, size_t n );