trunk/MyGPGME/clip.c

/* clip.c
 *      Copyright (C) 2001, 2002, 2003 Timo Schulz
 *
 * This file is part of MyGPGME.
 *
 * MyGPGME is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MyGPGME is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */


#include <windows.h>

#include "gpgme.h"
#include "util.h"


gpgme_error_t
gpgme_clip_istext_avail( int *r_rc )
{    
    HANDLE clipmem;
    char *clipdata;
    
    if( !r_rc )
        return mk_error( Invalid_Value );
    if( OpenClipboard( NULL ) == FALSE )
        return mk_error( Clip_Open );
    
    clipmem = GetClipboardData( CF_TEXT );
    if( !clipmem ) {
        *r_rc = 0;
        goto leave;
    }
    clipdata = (char *) GlobalLock( clipmem );
    if( !clipdata ) {
        *r_rc = 0;
        goto leave;
    }
    if( strlen( clipdata ) )
        *r_rc = 1;
    GlobalUnlock( clipmem );

leave:
    CloseClipboard();
    return 0;
} /* gpgme_clip_istext_avail */


gpgme_error_t
gpgme_clip_parse_pgpid (const char * data, gpgme_pgptype_t * r_type)
{
    gpgme_pgptype_t type;

    if( !data )
        return mk_error( Invalid_Value );
    if( strlen( data ) < 19 ) {
        *r_type = 0;
        return 0;
    }
    type = 0;
    if( strstr( data, "BEGIN PGP MESSAGE") )
        type |= GPGME_PGP_MESSAGE;
    if( strstr( data, "BEGIN PGP SIGNED MESSAGE" ) )
        type |= GPGME_PGP_CLEARSIG;
    if( strstr( data, "BEGIN PGP SIGNATURE" ) )
        type |= GPGME_PGP_SIG;
    if( strstr( data, "BEGIN PGP PUBLIC KEY BLOCK" ) )
        type |= GPGME_PGP_PUBKEY;
    if( strstr( data, "BEGIN PGP PRIVATE KEY BLOCK" ) 
        || strstr( data, "BEGIN PGP SECRET KEY BLOCK" ) )
        type |= GPGME_PGP_SECKEY;
    if( strstr( data, "- -----BEGIN" ) )
        type |= GPGME_PGP_DASH_ESCAPED;
    *r_type = type;
    return 0;
} /* gpgme_clip_parse_pgpid */


gpgme_error_t
gpgme_clip_is_secured (gpgme_pgptype_t * r_type, int * r_rc)
{
    int rc = 0;
    HANDLE clipmem;
    char *clipdata;
    
    if( !r_rc )
        return mk_error( Invalid_Value );
    if( OpenClipboard( NULL ) == FALSE )
        return mk_error( Clip_Open );
    clipmem = GetClipboardData( CF_TEXT );
    if( !clipmem ) {
        *r_rc = 0;
        goto leave;
    }
    clipdata = (char *) GlobalLock( clipmem );
    if( !clipdata ) {
        *r_rc = 0;      
        goto leave;     
    }
    if( strstr( clipdata, "-----BEGIN PGP" ) 
        && strstr( clipdata, "-----END PGP" ) )
        *r_rc = 1;
    GlobalUnlock( clipmem );
    gpgme_clip_parse_pgpid( clipdata, r_type );

leave:
    CloseClipboard();
    return rc;
} /* gpgme_clip_is_secured */


gpgme_error_t
gpgme_clip_do_check( int * r_rc )
{
    int has_data = 0;
    gpgme_error_t err;
    err = gpgme_clip_istext_avail( &has_data );
    if( err )
        return err;
    if( !has_data )
        return mk_error( Clip_Empty );
    gpgme_clip_is_secured( NULL, r_rc );
    return 0;
} /* gpgme_clip_do_check */


gpgme_error_t
gpgme_clip_get_pgptype (gpgme_pgptype_t * r_type)
{
    gpgme_error_t rc = 0;
    HANDLE clipmem;
    char * clipdata;
    
    if( OpenClipboard( NULL ) == FALSE )
        return mk_error( Clip_Open );
    clipmem = GetClipboardData( CF_TEXT );
    if( !clipmem ) {
        rc = mk_error( Clip_Get );
        goto leave;
    }
    clipdata = (char *)GlobalLock( clipmem );
    if( !clipdata ) {
        rc = mk_error( Clip_Get );
        goto leave;
    }    
    gpgme_clip_parse_pgpid( clipdata, r_type );
    GlobalUnlock( clipmem );
    
leave:
    CloseClipboard( );
    return rc;
} /* clip_get_pgp_type */
1	/* clip.c
2	* Copyright (C) 2001, 2002, 2003 Timo Schulz
3	*
4	* This file is part of MyGPGME.
5	*
6	* MyGPGME is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* MyGPGME is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19	*/
20
21
22	#include <windows.h>
23
24	#include "gpgme.h"
25	#include "util.h"
26
27
28	gpgme_error_t
29	gpgme_clip_istext_avail( int *r_rc )
30	{
31	HANDLE clipmem;
32	char *clipdata;
33
34	if( !r_rc )
35	return mk_error( Invalid_Value );
36	if( OpenClipboard( NULL ) == FALSE )
37	return mk_error( Clip_Open );
38
39	clipmem = GetClipboardData( CF_TEXT );
40	if( !clipmem ) {
41	*r_rc = 0;
42	goto leave;
43	}
44	clipdata = (char *) GlobalLock( clipmem );
45	if( !clipdata ) {
46	*r_rc = 0;
47	goto leave;
48	}
49	if( strlen( clipdata ) )
50	*r_rc = 1;
51	GlobalUnlock( clipmem );
52
53	leave:
54	CloseClipboard();
55	return 0;
56	} /* gpgme_clip_istext_avail */
57
58
59	gpgme_error_t
60	gpgme_clip_parse_pgpid (const char * data, gpgme_pgptype_t * r_type)
61	{
62	gpgme_pgptype_t type;
63
64	if( !data )
65	return mk_error( Invalid_Value );
66	if( strlen( data ) < 19 ) {
67	*r_type = 0;
68	return 0;
69	}
70	type = 0;
71	if( strstr( data, "BEGIN PGP MESSAGE") )
72	type \|= GPGME_PGP_MESSAGE;
73	if( strstr( data, "BEGIN PGP SIGNED MESSAGE" ) )
74	type \|= GPGME_PGP_CLEARSIG;
75	if( strstr( data, "BEGIN PGP SIGNATURE" ) )
76	type \|= GPGME_PGP_SIG;
77	if( strstr( data, "BEGIN PGP PUBLIC KEY BLOCK" ) )
78	type \|= GPGME_PGP_PUBKEY;
79	if( strstr( data, "BEGIN PGP PRIVATE KEY BLOCK" )
80	\|\| strstr( data, "BEGIN PGP SECRET KEY BLOCK" ) )
81	type \|= GPGME_PGP_SECKEY;
82	if( strstr( data, "- -----BEGIN" ) )
83	type \|= GPGME_PGP_DASH_ESCAPED;
84	*r_type = type;
85	return 0;
86	} /* gpgme_clip_parse_pgpid */
87
88
89	gpgme_error_t
90	gpgme_clip_is_secured (gpgme_pgptype_t * r_type, int * r_rc)
91	{
92	int rc = 0;
93	HANDLE clipmem;
94	char *clipdata;
95
96	if( !r_rc )
97	return mk_error( Invalid_Value );
98	if( OpenClipboard( NULL ) == FALSE )
99	return mk_error( Clip_Open );
100	clipmem = GetClipboardData( CF_TEXT );
101	if( !clipmem ) {
102	*r_rc = 0;
103	goto leave;
104	}
105	clipdata = (char *) GlobalLock( clipmem );
106	if( !clipdata ) {
107	*r_rc = 0;
108	goto leave;
109	}
110	if( strstr( clipdata, "-----BEGIN PGP" )
111	&& strstr( clipdata, "-----END PGP" ) )
112	*r_rc = 1;
113	GlobalUnlock( clipmem );
114	gpgme_clip_parse_pgpid( clipdata, r_type );
115
116	leave:
117	CloseClipboard();
118	return rc;
119	} /* gpgme_clip_is_secured */
120
121
122	gpgme_error_t
123	gpgme_clip_do_check( int * r_rc )
124	{
125	int has_data = 0;
126	gpgme_error_t err;
127	err = gpgme_clip_istext_avail( &has_data );
128	if( err )
129	return err;
130	if( !has_data )
131	return mk_error( Clip_Empty );
132	gpgme_clip_is_secured( NULL, r_rc );
133	return 0;
134	} /* gpgme_clip_do_check */
135
136
137	gpgme_error_t
138	gpgme_clip_get_pgptype (gpgme_pgptype_t * r_type)
139	{
140	gpgme_error_t rc = 0;
141	HANDLE clipmem;
142	char * clipdata;
143
144	if( OpenClipboard( NULL ) == FALSE )
145	return mk_error( Clip_Open );
146	clipmem = GetClipboardData( CF_TEXT );
147	if( !clipmem ) {
148	rc = mk_error( Clip_Get );
149	goto leave;
150	}
151	clipdata = (char *)GlobalLock( clipmem );
152	if( !clipdata ) {
153	rc = mk_error( Clip_Get );
154	goto leave;
155	}
156	gpgme_clip_parse_pgpid( clipdata, r_type );
157	GlobalUnlock( clipmem );
158
159	leave:
160	CloseClipboard( );
161	return rc;
162	} /* clip_get_pgp_type */