trunk/MyGPGME/sig.c

/* sig.c - General signature API
 *      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 <stdio.h>
#include <string.h>
#include <stdlib.h>

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


gpgme_error_t
gpgme_sig_new( gpgme_sig_t *r_sig )
{
    gpgme_sig_t sig;
    
    sig = calloc( 1, sizeof *sig );
    if( !sig )
        return mk_error( Out_Of_Core ); 
    *r_sig = sig;
    return 0;
} /* gpgme_sig_new */


void
gpgme_sig_release (gpgme_sig_t sig)
{
    if( !sig )
        return;    
    if( sig->ref_count > 0 ) {
        sig->ref_count--;
        return;
    }
    safe_free( sig->notation );
    safe_free( sig->policy_url );
    safe_free( sig->user_id );
    safe_free( sig->file_name );
    safe_free (sig->key_server);
    safe_free( sig );
} /* gpgme_sig_release */


void
_gpgme_sig_ref( gpgme_sig_t sig )
{
    if( sig )
        sig->ref_count++;
} /* _gpgme_sig_ref */


void
gpgme_sig_set_key_ctx (gpgme_sig_t sig, gpgme_keycache_t cache)
{
    if (sig && cache)
        gpgme_keycache_find_key (cache, sig->id, 0, &sig->key);
} /* gpgme_sig_set_key_ctx */


ulong
gpgme_sig_get_ulong_attr (gpgme_sig_t sig, int idx, int what)
{
    gpgme_sig_t s;
    int pos = 0;
     
    if (!sig)
        return 0;

    switch( what ) {
    case GPGME_ATTR_EXPIRES:  return sig->expired;
    case GPGME_ATTR_EXPIRE:   return sig->flags.expired;;
    case GPGME_ATTR_VALIDITY: return sig->sigstat;
    case GPGME_ATTR_OTRUST:   return sig->trust;
    case GPGME_ATTR_CREATED:  return sig->created;
    case GPGME_ATTR_TYPE:     return (ulong)sig->key;   
    case GPGME_ATTR_ALGO:     return sig->key_algo;
    case GPGME_ATTR_OPAQUE:
        for( s = sig; s && idx > 0; s=s->next, idx-- )
            ;
        return (ulong)s;

    case GPGME_ATTR_LEVEL:
        for (s = sig; s; s = s->next)
            pos++;
        return pos;
    case GPGME_ATTR_KEYID: 
        if (strlen (sig->id) == 40)
            pos = 32;
        else if (strlen (sig->id) == 16)
            pos = 8;
        /* XXX: else?? */
        return strtoul (sig->id + pos, NULL, 16);
    }
    return 0;
} /* gpgme_sig_get_ulong_attr */


const char*
gpgme_sig_get_string_attr (gpgme_sig_t sig, int what)
{
    if( !sig )
        return NULL;

    switch( what ) {
    case GPGME_ATTR_NOTATION:   
        return sig->notation;
    case GPGME_ATTR_NAME:       
        return sig->file_name;
    case GPGME_ATTR_USERID:     
        return sig->user_id;
    case GPGME_ATTR_POLICY_URL: 
        return sig->policy_url;
    case GPGME_ATTR_KEYSERVER:  
        return sig->key_server;
    case GPGME_ATTR_KEYID:
        if( strlen( sig->id ) == 40 )
            return sig->id + 24;
        return sig->id;
    }
    return NULL;
} /* gpgme_sig_get_string_attr */

1	/* sig.c - General signature API
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	#include <stdio.h>
22	#include <string.h>
23	#include <stdlib.h>
24
25	#include "gpgme.h"
26	#include "context.h"
27	#include "util.h"
28
29
30	gpgme_error_t
31	gpgme_sig_new( gpgme_sig_t *r_sig )
32	{
33	gpgme_sig_t sig;
34
35	sig = calloc( 1, sizeof *sig );
36	if( !sig )
37	return mk_error( Out_Of_Core );
38	*r_sig = sig;
39	return 0;
40	} /* gpgme_sig_new */
41
42
43	void
44	gpgme_sig_release (gpgme_sig_t sig)
45	{
46	if( !sig )
47	return;
48	if( sig->ref_count > 0 ) {
49	sig->ref_count--;
50	return;
51	}
52	safe_free( sig->notation );
53	safe_free( sig->policy_url );
54	safe_free( sig->user_id );
55	safe_free( sig->file_name );
56	safe_free (sig->key_server);
57	safe_free( sig );
58	} /* gpgme_sig_release */
59
60
61	void
62	_gpgme_sig_ref( gpgme_sig_t sig )
63	{
64	if( sig )
65	sig->ref_count++;
66	} /* _gpgme_sig_ref */
67
68
69	void
70	gpgme_sig_set_key_ctx (gpgme_sig_t sig, gpgme_keycache_t cache)
71	{
72	if (sig && cache)
73	gpgme_keycache_find_key (cache, sig->id, 0, &sig->key);
74	} /* gpgme_sig_set_key_ctx */
75
76
77	ulong
78	gpgme_sig_get_ulong_attr (gpgme_sig_t sig, int idx, int what)
79	{
80	gpgme_sig_t s;
81	int pos = 0;
82
83	if (!sig)
84	return 0;
85
86	switch( what ) {
87	case GPGME_ATTR_EXPIRES: return sig->expired;
88	case GPGME_ATTR_EXPIRE: return sig->flags.expired;;
89	case GPGME_ATTR_VALIDITY: return sig->sigstat;
90	case GPGME_ATTR_OTRUST: return sig->trust;
91	case GPGME_ATTR_CREATED: return sig->created;
92	case GPGME_ATTR_TYPE: return (ulong)sig->key;
93	case GPGME_ATTR_ALGO: return sig->key_algo;
94	case GPGME_ATTR_OPAQUE:
95	for( s = sig; s && idx > 0; s=s->next, idx-- )
96	;
97	return (ulong)s;
98
99	case GPGME_ATTR_LEVEL:
100	for (s = sig; s; s = s->next)
101	pos++;
102	return pos;
103	case GPGME_ATTR_KEYID:
104	if (strlen (sig->id) == 40)
105	pos = 32;
106	else if (strlen (sig->id) == 16)
107	pos = 8;
108	/* XXX: else?? */
109	return strtoul (sig->id + pos, NULL, 16);
110	}
111	return 0;
112	} /* gpgme_sig_get_ulong_attr */
113
114
115	const char*
116	gpgme_sig_get_string_attr (gpgme_sig_t sig, int what)
117	{
118	if( !sig )
119	return NULL;
120
121	switch( what ) {
122	case GPGME_ATTR_NOTATION:
123	return sig->notation;
124	case GPGME_ATTR_NAME:
125	return sig->file_name;
126	case GPGME_ATTR_USERID:
127	return sig->user_id;
128	case GPGME_ATTR_POLICY_URL:
129	return sig->policy_url;
130	case GPGME_ATTR_KEYSERVER:
131	return sig->key_server;
132	case GPGME_ATTR_KEYID:
133	if( strlen( sig->id ) == 40 )
134	return sig->id + 24;
135	return sig->id;
136	}
137	return NULL;
138	} /* gpgme_sig_get_string_attr */
139