trunk/MyGPGME/context.h

/* context.h 
 *      Copyright (C) 2000 Werner Koch (dd9jn)
 *      Copyright (C) 2002, 2003, 2004 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
 */

#ifndef CONTEXT_H
#define CONTEXT_H

#include "gpgme.h"
#include "types.h"
#include "rungpg.h"  /* for _gpg_object_t */
#include "common-status.h"

typedef enum {
    RESULT_TYPE_NONE = 0,
    RESULT_TYPE_VERIFY,
    RESULT_TYPE_DECRYPT,
    RESULT_TYPE_SIGN,
    RESULT_TYPE_SIGN_ENCRYPT,
    RESULT_TYPE_IMPORT,
    RESULT_TYPE_ENCRYPT,
    RESULT_TYPE_SYMENC,
    RESULT_TYPE_EDITKEY,
} result_type_t;


struct key_queue_item_s {
    struct key_queue_item_s *next;
    gpgme_key_t key;
};


/* Currently we need it at several places, so we put the definition 
 * into this header file 
 */
struct gpgme_context_s {
    int initialized;
    int pending;   /* a gpg request is still pending */

    /* at some points we need to allocate memory but we are not
     * able to handle a malloc problem at that point, so we set this
     * flag to indicate this condition */
    int out_of_core;   
    int cancel;    /* cancel operation request */

    _gpg_object_t gpg; /* the running gpg process */

    unsigned int use_throwkeyid:1; /* anonymous packets (without keyids) */
    unsigned int use_armor:1;
    unsigned int use_textmode:1;
    unsigned int use_file:1;
    unsigned int use_tmpfiles:1;
    unsigned int use_pass_fd:1;
    unsigned int use_logging:1;
    unsigned int interactive:1;
    unsigned int pipemode:1;
    
    int keylist_mode;
    int list_opts;
    
    unsigned int force_trust:1; /* force to --always-trust */
    unsigned int force_opt:1; /* some special options */
    unsigned int force_mdc:1;

    int problem;
    gpgme_wipe_t wipe_fnc;
    unsigned int with_secret_key:1; /* for --export */

    int signers_size;  /* size of the following array */
    gpgme_key_t * signers;

    result_type_t result_type;
    union {
        _verify_result_t verify;
        _decrypt_result_t decrypt;
        _sign_result_t sign;
        _import_result_t import;
        _sign_encrypt_result_t sign_enc;
        _encrypt_result_t encrypt;
        _symenc_result_t symenc;
        _editkey_result_t editk;
    } result;   

    gpgme_data_t notation;    /* last signature notation */
    gpgme_data_t logging;

    gpgme_key_t tmp_key;       /* used by keylist.c */
    int tmp_i;
    char * tmp_id;
    char tmp_keyid[16+1];

    void * tmp_res;

    volatile int key_cond;  /* something new is available */
    struct key_queue_item_s * key_queue;
    struct trust_queue_item_s * trust_queue;

    const char * passphrase_value;

    struct {
        gpgme_passphrase_cb_t passphrase;
        void * passphrase_value;

        gpgme_progress_cb_t progress;
        void * progress_value;
        int progress_value_int;
        int progess_tmp;

        gpgme_interactive_cb_t interactiv;
        void * interactiv_value;
    } cb;

    /* interface for --card-edit and --edit-key */    
    void * edit_opaque;
    int edit_cmd;

    gpgme_card_t card;

    void * key_lookup;

    gpgme_data_t help_data_1;

    int cipher_algo;
    struct {
        int digest_algo;
        int mode;
        unsigned used:1;
    } s2k;

    gpgme_recipients_t enc_to;

    char * locusr;
    
    char * keygen_fpr;

    char * comment;

    int no_compress;
    unsigned long proc_rc;
};


struct gpgme_data_s {
    size_t len;
    const char *data;
    gpgme_data_type_t type;
    gpgme_data_mode_t mode;

    int (*read_cb)( void *, char *, size_t, size_t *);
    void *read_cb_value;
    int read_cb_eof;

    size_t readpos;
    size_t writepos;
    size_t private_len;
    char *private_buffer;
};

struct user_id_flag_s {
    unsigned int revoked:1;
    unsigned int invalid:1;
    unsigned int primary:1;
    unsigned mdc:1;
    unsigned no_ks_modify:1;
};

struct user_id_s {
    struct user_id_s *next;
    struct user_id_flag_s flags;
    gpgme_validity_t validity;
    unsigned long created;
    char * hash;
    const char * name_part;    /* all 3 point into strings behind name */
    const char * email_part;   /* or to read-only strings */
    const char * comment_part;
    char name[1];
};

struct gpgme_recipients_s {
    struct user_id_s * list;
    int checked;   /* wether the recipients are all valid */
    int count;
};

struct user_id_info_s {
    struct user_id_info_s *next;
    struct user_id_flag_s flags;
    int validity;
    char * name;
    char * prefs;    
    int idx;
};

struct gpgme_user_id_info_s {
    struct user_id_info_s * list;
};


struct keycache_s {
    struct keycache_s * next;
    int flags;
    gpgme_key_t key;
    gpgme_key_t pubpart;
};

struct gpgme_keycache_s {    
    struct keycache_s * item;
    struct keycache_s * tmp;
    int secret;
    int pos;
    void (*cb) (void *, const char *, int, unsigned, unsigned);
    void * cb_value;
    int cb_value2;
};

struct gpgme_signature_s {
    struct gpgme_signature_s * next;
    int ref_count;
    gpgme_key_t key;
    gpgme_sigstat_t sigstat;
    ulong created;
    ulong expired;
    gpgme_pk_cipher_t key_algo;
    gpgme_md_t md_algo;    
    int class;
    int trust;
    char id[41];
    char * notation;
    char * user_id;
    char * policy_url;
    char * file_name;
    char * key_server;
    struct {
        unsigned expired:1;
    } flags;
};

struct gpgme_editcard_s {
    union {
        struct {
            const char * surname;
            const char * givenname;
            const char * keyurl;
            const char * login;
            const char * lang;
            char         sex;
        } edit;
        struct {
            const char * pinold;
            const char * pinnew;
        } pin;
    } u;
    struct {
        char * name;
        char * email;
        char * comment;
        char * expdate;
        const char * passwd;
        int flags;
    } keygen;
    const char * apin;
    const char * upin;
    int type;
    int cnt;
    int cancel;
    const char *(*card_cb) (int code, void * opaque);
    void * cb_value;
};


struct gpgme_card_s {
    char * aid;
    char * version;
    char * vendor;
    char * serial;
    char * surname;
    char * givenname;
    char * lang;
    char sex;
    char * url;
    char * login;
    int force_pin;
    char * maxpinlen[3];
    int sig_count;
    char * fpr[3];
};

struct gpgme_editkey_s {
    int key_pair;
    int type;

    union {
        struct {
            const char * trust_val;
        } trust;
        struct {
            int sig_class;
            int sig_type;
            struct {
                const char * val;
                const char * depth;
                const char * regexp;
            } trust;
            const char * exp_date;
            const char * passwd;
        } sign;
        struct {
            char * name;
            char * email;
            char * comment;
            int use_comment;
            const char * passwd;
        } adduid;
        struct {
            const char * uid;
            const char * passwd;
        } addrev;
        struct {
            const char * jpg;
            const char * passwd;
        } addphoto;
        struct {        
            int id;
        } deluid;
        struct {
            int id;
        } delkey;
        struct {
            int algo;
            int size;
            int valid;
            const char * passwd;
        } addkey;
        struct {
            const char * old_passwd;
            const char * new_passwd;
            int send_old;
            int allow_empty;
        } passwd;
        struct {
            const char * uid;
            const char * reason_id;
            char * reason_text;
            int reason_sent;
            const char * passwd;
            unsigned int pgp:1;
        } revoke;
        struct {
            int id;
            const char * passwd;
        } primary;
        struct {
            int id;
            int days;
            const char * date;
            const char * passwd;
        } expire;
        struct {
            int id;
            const char * passwd;
        } revsig;
        struct {
            int id;
            int reason;
            const char * passwd;
        } revkey;
        struct {
            const char * new_prefs;
            const char * passwd;
            int uid_idx;
            int id;
        } pref;
        struct {
            int uid;
            int signo;
            int currno;
        } delsig;
        struct {
            const char * passwd;
            const char * url;
        } keyserv;
    } u;
};

struct gpgme_rev_cert_s {
    long timestamp;
    char keyid[16+1];
    char *reason;
    unsigned char code;
};

#define fail_on_pending_request(c)                            \
          do {                                                \
                if (!(c))         return GPGME_Invalid_Value; \
                if ((c)->pending) return GPGME_Busy;          \
             } while (0)

#define wait_on_request_or_fail(c)                            \
          do {                                                \
                if (!(c))          return GPGME_Invalid_Value;\
                if (!(c)->pending) return GPGME_No_Request;   \
                gpgme_wait ((c), 1);                          \
             } while (0)


#endif /* CONTEXT_H */
1	twoaday	2	/* context.h
2			* Copyright (C) 2000 Werner Koch (dd9jn)
3			* Copyright (C) 2002, 2003, 2004 Timo Schulz
4			*
5			* This file is part of MyGPGME.
6			*
7			* MyGPGME is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* MyGPGME is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20			*/
21
22			#ifndef CONTEXT_H
23			#define CONTEXT_H
24
25			#include "gpgme.h"
26			#include "types.h"
27			#include "rungpg.h" /* for _gpg_object_t */
28			#include "common-status.h"
29
30			typedef enum {
31			RESULT_TYPE_NONE = 0,
32			RESULT_TYPE_VERIFY,
33			RESULT_TYPE_DECRYPT,
34			RESULT_TYPE_SIGN,
35			RESULT_TYPE_SIGN_ENCRYPT,
36			RESULT_TYPE_IMPORT,
37			RESULT_TYPE_ENCRYPT,
38			RESULT_TYPE_SYMENC,
39			RESULT_TYPE_EDITKEY,
40			} result_type_t;
41
42
43			struct key_queue_item_s {
44			struct key_queue_item_s *next;
45			gpgme_key_t key;
46			};
47
48
49			/* Currently we need it at several places, so we put the definition
50			* into this header file
51			*/
52			struct gpgme_context_s {
53			int initialized;
54			int pending; /* a gpg request is still pending */
55
56			/* at some points we need to allocate memory but we are not
57			* able to handle a malloc problem at that point, so we set this
58			* flag to indicate this condition */
59			int out_of_core;
60			int cancel; /* cancel operation request */
61
62			_gpg_object_t gpg; /* the running gpg process */
63
64			unsigned int use_throwkeyid:1; /* anonymous packets (without keyids) */
65			unsigned int use_armor:1;
66			unsigned int use_textmode:1;
67			unsigned int use_file:1;
68			unsigned int use_tmpfiles:1;
69			unsigned int use_pass_fd:1;
70			unsigned int use_logging:1;
71			unsigned int interactive:1;
72			unsigned int pipemode:1;
73
74			int keylist_mode;
75			int list_opts;
76
77			unsigned int force_trust:1; /* force to --always-trust */
78			unsigned int force_opt:1; /* some special options */
79			unsigned int force_mdc:1;
80
81			int problem;
82			gpgme_wipe_t wipe_fnc;
83			unsigned int with_secret_key:1; /* for --export */
84
85			int signers_size; /* size of the following array */
86			gpgme_key_t * signers;
87
88			result_type_t result_type;
89			union {
90			_verify_result_t verify;
91			_decrypt_result_t decrypt;
92			_sign_result_t sign;
93			_import_result_t import;
94			_sign_encrypt_result_t sign_enc;
95			_encrypt_result_t encrypt;
96			_symenc_result_t symenc;
97			_editkey_result_t editk;
98			} result;
99
100			gpgme_data_t notation; /* last signature notation */
101			gpgme_data_t logging;
102
103			gpgme_key_t tmp_key; /* used by keylist.c */
104			int tmp_i;
105			char * tmp_id;
106			char tmp_keyid[16+1];
107
108			void * tmp_res;
109
110			volatile int key_cond; /* something new is available */
111			struct key_queue_item_s * key_queue;
112			struct trust_queue_item_s * trust_queue;
113
114			const char * passphrase_value;
115
116			struct {
117			gpgme_passphrase_cb_t passphrase;
118			void * passphrase_value;
119
120			gpgme_progress_cb_t progress;
121			void * progress_value;
122			int progress_value_int;
123			int progess_tmp;
124
125			gpgme_interactive_cb_t interactiv;
126			void * interactiv_value;
127			} cb;
128
129			/* interface for --card-edit and --edit-key */
130			void * edit_opaque;
131			int edit_cmd;
132
133			gpgme_card_t card;
134
135			void * key_lookup;
136
137			gpgme_data_t help_data_1;
138
139			int cipher_algo;
140			struct {
141			int digest_algo;
142			int mode;
143			unsigned used:1;
144			} s2k;
145
146			gpgme_recipients_t enc_to;
147
148			char * locusr;
149
150			char * keygen_fpr;
151
152			char * comment;
153
154			int no_compress;
155			unsigned long proc_rc;
156			};
157
158
159			struct gpgme_data_s {
160			size_t len;
161			const char *data;
162			gpgme_data_type_t type;
163			gpgme_data_mode_t mode;
164
165			int (read_cb)( void , char , size_t, size_t );
166			void *read_cb_value;
167			int read_cb_eof;
168
169			size_t readpos;
170			size_t writepos;
171			size_t private_len;
172			char *private_buffer;
173			};
174
175			struct user_id_flag_s {
176			unsigned int revoked:1;
177			unsigned int invalid:1;
178			unsigned int primary:1;
179			unsigned mdc:1;
180			unsigned no_ks_modify:1;
181			};
182
183			struct user_id_s {
184			struct user_id_s *next;
185			struct user_id_flag_s flags;
186			gpgme_validity_t validity;
187			unsigned long created;
188			char * hash;
189			const char * name_part; /* all 3 point into strings behind name */
190			const char * email_part; /* or to read-only strings */
191			const char * comment_part;
192			char name[1];
193			};
194
195			struct gpgme_recipients_s {
196			struct user_id_s * list;
197			int checked; /* wether the recipients are all valid */
198			int count;
199			};
200
201			struct user_id_info_s {
202			struct user_id_info_s *next;
203			struct user_id_flag_s flags;
204			int validity;
205			char * name;
206			char * prefs;
207			int idx;
208			};
209
210			struct gpgme_user_id_info_s {
211			struct user_id_info_s * list;
212			};
213
214
215			struct keycache_s {
216			struct keycache_s * next;
217			int flags;
218			gpgme_key_t key;
219			gpgme_key_t pubpart;
220			};
221
222			struct gpgme_keycache_s {
223			struct keycache_s * item;
224			struct keycache_s * tmp;
225			int secret;
226			int pos;
227			void (cb) (void , const char *, int, unsigned, unsigned);
228			void * cb_value;
229			int cb_value2;
230			};
231
232			struct gpgme_signature_s {
233			struct gpgme_signature_s * next;
234			int ref_count;
235			gpgme_key_t key;
236			gpgme_sigstat_t sigstat;
237			ulong created;
238			ulong expired;
239			gpgme_pk_cipher_t key_algo;
240			gpgme_md_t md_algo;
241			int class;
242			int trust;
243			char id[41];
244			char * notation;
245			char * user_id;
246			char * policy_url;
247			char * file_name;
248			char * key_server;
249			struct {
250			unsigned expired:1;
251			} flags;
252			};
253
254			struct gpgme_editcard_s {
255			union {
256			struct {
257			const char * surname;
258			const char * givenname;
259			const char * keyurl;
260			const char * login;
261			const char * lang;
262			char sex;
263			} edit;
264			struct {
265			const char * pinold;
266			const char * pinnew;
267			} pin;
268			} u;
269			struct {
270			char * name;
271			char * email;
272			char * comment;
273			char * expdate;
274			const char * passwd;
275			int flags;
276			} keygen;
277			const char * apin;
278			const char * upin;
279			int type;
280			int cnt;
281			int cancel;
282			const char (card_cb) (int code, void * opaque);
283			void * cb_value;
284			};
285
286
287			struct gpgme_card_s {
288			char * aid;
289			char * version;
290			char * vendor;
291			char * serial;
292			char * surname;
293			char * givenname;
294			char * lang;
295			char sex;
296			char * url;
297			char * login;
298			int force_pin;
299			char * maxpinlen[3];
300			int sig_count;
301			char * fpr[3];
302			};
303
304			struct gpgme_editkey_s {
305			int key_pair;
306			int type;
307
308			union {
309			struct {
310			const char * trust_val;
311			} trust;
312			struct {
313			int sig_class;
314			int sig_type;
315			struct {
316			const char * val;
317			const char * depth;
318			const char * regexp;
319			} trust;
320			const char * exp_date;
321			const char * passwd;
322			} sign;
323			struct {
324			char * name;
325			char * email;
326			char * comment;
327			int use_comment;
328			const char * passwd;
329			} adduid;
330			struct {
331			const char * uid;
332			const char * passwd;
333			} addrev;
334			struct {
335			const char * jpg;
336			const char * passwd;
337			} addphoto;
338			struct {
339			int id;
340			} deluid;
341			struct {
342			int id;
343			} delkey;
344			struct {
345			int algo;
346			int size;
347			int valid;
348			const char * passwd;
349			} addkey;
350			struct {
351			const char * old_passwd;
352			const char * new_passwd;
353			int send_old;
354			int allow_empty;
355			} passwd;
356			struct {
357			const char * uid;
358			const char * reason_id;
359			char * reason_text;
360			int reason_sent;
361			const char * passwd;
362			unsigned int pgp:1;
363			} revoke;
364			struct {
365			int id;
366			const char * passwd;
367			} primary;
368			struct {
369			int id;
370			int days;
371			const char * date;
372			const char * passwd;
373			} expire;
374			struct {
375			int id;
376			const char * passwd;
377			} revsig;
378			struct {
379			int id;
380			int reason;
381			const char * passwd;
382			} revkey;
383			struct {
384			const char * new_prefs;
385			const char * passwd;
386			int uid_idx;
387			int id;
388			} pref;
389			struct {
390			int uid;
391			int signo;
392			int currno;
393			} delsig;
394			struct {
395			const char * passwd;
396			const char * url;
397			} keyserv;
398			} u;
399			};
400
401			struct gpgme_rev_cert_s {
402			long timestamp;
403			char keyid[16+1];
404			char *reason;
405			unsigned char code;
406			};
407
408			#define fail_on_pending_request(c) \
409			do { \
410			if (!(c)) return GPGME_Invalid_Value; \
411			if ((c)->pending) return GPGME_Busy; \
412			} while (0)
413
414			#define wait_on_request_or_fail(c) \
415			do { \
416			if (!(c)) return GPGME_Invalid_Value;\
417			if (!(c)->pending) return GPGME_No_Request; \
418			gpgme_wait ((c), 1); \
419			} while (0)
420
421
422
423			#endif /* CONTEXT_H */