trunk/Src/wptKeyEdit.cpp

/* wptKeyEdit.cpp - GPG key edit abstraction
 *      Copyright (C) 2005 Timo Schulz
 *      Copyright (C) 2005 g10 Code GmbH
 *
 * This file is part of WinPT.
 *
 * WinPT 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.
 *  
 * WinPT 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 WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <time.h>

#include "gpgme.h"
#include "wptCommonCtl.h"
#include "wptContext.h"
#include "wptKeyEdit.h"
#include "wptTypes.h"
#include "wptW32API.h"
#include "wptGPG.h"
#include "wptErrors.h"


/* Parse the colon status information of @line and store
   the information in @rev.
   Return value: 0 on success. */
static gpgme_error_t
rev_key_colon_handler (gpg_desig_rev_t *rev, char *line)
{
    char *p, *pend;
    gpg_desig_rev_t r, t;
    int field = 0;

    if (!line || strlen (line) < 3)
        return gpg_error (GPG_ERR_EOF);
    if (strncmp (line, "rvk", 3))
        return 0; /* skip this line. */

    log_debug ("rev_key: line=%s\r\n", line);

    r = (gpg_desig_rev_t)calloc (1, sizeof *r);
    if (!r)
        return gpg_error (GPG_ERR_ENOMEM);
    if (!*rev)
        *rev = r;
    else {
        for (t=*rev; t->next; t=t->next)
            ;
        t->next = r;
    }

    p = strdup (line);
    if (!p)
        return gpg_error (GPG_ERR_ENOMEM);

    for (;;) {
        field++;
        pend = strsep (&p, ":");
        if (pend == NULL)
            break;
        switch (field) {
        case  4: r->pubkey_algo = (gpgme_pubkey_algo_t)atol (pend); break;
        case 10: strncpy (r->fpr, pend, 40); r->fpr[40] = 0; break;
        }       
    }
    if (p)
        free (p);
    return 0;
}


/* Parse the colon data output of edit key from @line and
   store the information in the @inf context.
   Return value: 0 on success. */
static gpgme_error_t
uid_inf_colon_handler (gpg_uid_info_t *inf, char *line)
{
    gpg_uid_info_t i, t;
    char *p, *pend;
    int field = 0, len = 0;

    if (!line || strlen (line) < 3 || strncmp (line, "uid", 3))
        return gpg_error (GPG_ERR_EOF);

    i = (gpg_uid_info_t)calloc (1, sizeof *i);
    if (!i)
        return gpg_error (GPG_ERR_ENOMEM);
    if (!*inf)
        *inf = i;
    else {
        for (t=*inf; t->next; t=t->next)
            ;
        t->next = i;
    }

    p = strdup (line);
    if (!p)
        return gpg_error (GPG_ERR_ENOMEM);;
    for (;;) {
        field++;
        pend = strsep (&p, ":");
        if (pend == NULL)
            break;

        switch (field) {
        case 2: /* trust info */
            break;

        case 10: /* user ID */
            i->name = (char *)calloc (1, strlen (pend)+1);
            if (!i->name)
                return gpg_error (GPG_ERR_ENOMEM);;
            gpg_decode_c_string (pend, &i->name, strlen (pend)+ 1);
            if (strchr (pend, '<') != NULL && strchr (pend, '>') != NULL) {
                int pos = strchr (i->name, '<')- i->name + 1;
                int end = strchr (i->name, '>') - i->name;
                i->email = (char*) calloc (1, end-pos+2);
                if (!i->email)
                    return gpg_error (GPG_ERR_ENOMEM);;
                memcpy (i->email, i->name+pos, (end-pos));
            }
            break;

        case 13: /* preferences */
            if (strstr (pend, "mdc")) {
                len = strlen (pend) - 4; /* ,mdc */
                if (strstr (pend, "no-ks-modify")) {
                    i->flags.no_ks_modify = 1;
                    len -= 13; /* ,no-ks-modify */
                }
                i->prefs = (char*)calloc (1, len+1);
                if (!i->prefs)
                    return gpg_error (GPG_ERR_ENOMEM);
                memcpy (i->prefs, pend, len);
                i->prefs[len] = '\0';
                i->flags.mdc = 1;
            }
            else {
                i->prefs = strdup (pend);
                if (!i->prefs)
                    return gpg_error (GPG_ERR_ENOMEM);
                i->flags.mdc = 0;               
            }
            break;

        case 14: /* index/flags */
            i->index = atol (pend);
            if (strchr (pend, 'r'))
                i->flags.revoked = 1;
            if (strchr (pend, 'p'))
                i->flags.primary = 1;
            break;
        }
    }
    if (p)
        free (p);
    return 0;
}


/* Release the context in @inf. */
void
gpg_uid_info_release (gpg_uid_info_t list)
{
    gpg_uid_info_t i;
   
    while (list) {
        i = list->next;
        if (list->name) {
            if (list->name)          
                free (list->name);
            list->name = NULL;
        }
        if (list->prefs) {
            if (list->prefs)
                free (list->prefs);
            list->prefs = NULL;
        }       
        free (list);
        list = i;
    }
}


/* Release the context in @rev. */
void
gpg_desig_rev_release (gpg_desig_rev_t rev)
{
    gpg_desig_rev_t r;

    while (rev) {
        r = rev->next;
        free (rev);
        rev = r;
    }
}


static gpgme_error_t
list2_handler (void *opaque, gpgme_status_code_t code, const char *key, int fd)
{
    DWORD n;
    const char *s;

    if (!strcmp (key, "keyedit.prompt")) {
        s = "quit\n";
        WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
    }    
    return 0;
}

/* Dummy handler to get the colon data and then quit. */
static gpgme_error_t
list_handler (void *opaque, gpgme_status_code_t code, const char *key, int fd)
{
    static int step=0;
    const char *s="";
    DWORD n;

    if (!strcmp (key, "keyedit.prompt") && step == 0) {
        step = 1;
        s = "list\n";
        WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
    }
    else if (!strcmp (key, "keyedit.prompt") && step == 1) {
        step = 0;
        s = "quit\n";
        WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
    }

    return 0;
}


/* Return all designated revokers for this key. If no revoker
   was set, @r_rev is NULL.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::getDesignatedRevoker (gpg_desig_rev_t *r_rev)
{
    gpgme_data_t out=NULL;
    gpg_desig_rev_t rev = NULL;
    gpgme_error_t err;
    char buf[256];

    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);

    err = gpgme_data_new (&out);
    if (err)
        goto leave;

    err = gpgme_op_edit (ctx, key, list2_handler, NULL, out);
    if (err)
        goto leave;
    
    gpgme_data_rewind (out);
    while (gpg_data_readline (out, buf, sizeof (buf)-1) > 0)
        rev_key_colon_handler (&rev, buf);
    *r_rev = rev;

leave:
    if (out)
        gpgme_data_release (out);
    if (err) {
        gpg_desig_rev_release (rev);
        *r_rev = NULL;
    }
    return err;
}

/* Retrieve all user ID information of the key set via setKey 
   in @r_inf. The result also contains the user ID number which 
   is needed to securely delete the user-ID. */
gpgme_error_t
GpgKeyEdit::getUseridInfo (gpg_uid_info_t *r_uinf)
{
    gpgme_data_t out = NULL;    
    gpgme_error_t err;
    gpg_uid_info_t inf = NULL;
    char buf[256];

    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);

    err = gpgme_data_new (&out);
    if (err)
        goto leave;

    err = gpgme_op_edit (ctx, key, list_handler, NULL, out);
    if (err)
        goto leave;
    
    gpgme_data_rewind (out);
    while (gpg_data_readline (out, buf, sizeof (buf) -1) > 0)
        uid_inf_colon_handler (&inf, buf);

    *r_uinf = inf;

leave:
    if (out)
        gpgme_data_release (out);
    if (err) {
        gpg_uid_info_release (inf);
        *r_uinf = NULL;
    }
    return err;
}


/* Construct an object with the given key in @key. */
GpgKeyEdit::GpgKeyEdit (gpgme_key_t key)
{
    this->key = key;
    pass = NULL;
    type = 0;
    name = NULL;
    cmt = NULL;
    email = NULL;
    cnt = 0;
    cmd_sent = 0;
    resval = 0;
    gpgme_new (&ctx); /* FIXME */
}

/* Construct an object and fetch the key with the keyid @keyid. */
GpgKeyEdit::GpgKeyEdit (const char *keyid)
{
    get_pubkey (keyid, &this->key);
    pass = NULL;
    type = 0;
    name = NULL;
    cmt = NULL;
    email = NULL;
    cmd_sent = 0;
    resval = 0;
    gpgme_new (&ctx); /* FIXME */
}

/* Delete the given object. */
GpgKeyEdit::~GpgKeyEdit (void)
{
    free_if_alloc (name);
    free_if_alloc (cmt);
    free_if_alloc (email);
    gpgme_release (ctx);
}


/* Reset the state of the object. */
void
GpgKeyEdit::reset (void)
{
    cmd_sent = 0;
}


/* Return true if type has a non-zero value. */
bool
GpgKeyEdit::isValid (void)
{
    return type != 0;
}


/* Return the GPGME key. */
gpgme_key_t
GpgKeyEdit::getKey (void)
{
    return key;
}


/* Set the GPGME callback to @cb. The hook value can be
   given in @cb_value. */
void 
GpgKeyEdit::setCallback (gpgme_progress_cb_t cb, void *cb_value)
{
    gpgme_set_progress_cb (ctx, cb, cb_value);
}

/* Set the passphrase to @pass. */
void 
GpgKeyEdit::setPassphrase (const char *pass)
{
    this->pass = pass;
}

/* Set the current key to @key. */
void 
GpgKeyEdit::setKey (gpgme_key_t key)
{
    this->key = key;
}

/* Set the keyid of the destination key to @keyid. */
void
GpgKeyEdit::setKeyID (const char *keyid)
{
    if (!keyid)
        return;
    get_pubkey (keyid, &this->key);
}


/* Set the local user for the operation to @locusr. */
void 
GpgKeyEdit::setLocalUser (gpgme_key_t locusr)
{
    gpgme_signers_add (ctx, locusr);
}

/* Set the result of the operation to @val. */
void 
GpgKeyEdit::setResult (int val)
{
    resval |= val;
}


/* Return the result of the operation. */
int
GpgKeyEdit::getResult(void)
{
    return resval;
}


int
GpgKeyEdit::getType (void)
{
    return type;
}

/* Sign the key stored in the object with the 
   signing mode @mode and the signature class @sig_class.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::signKey (int mode, int sig_class, const char *exp_date)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = mode;
    this->exp_date = exp_date;
    this->sig_class = sig_class;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Set the ownertrust of the key stored in the object
   to the trust value @trust.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::setTrust (gpgme_validity_t trust)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_TRUST;
    this->trust_id = (int)trust;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Add a user ID to the given key with the @name as the
   name, @cmt as the comment (or NULL) and @email as the email.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::addUserid (const char *name, const char *cmt, const char *email)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_ADDUID;
    free_if_alloc (this->name);
    this->name = m_strdup (name);
    free_if_alloc (this->cmt);
    this->cmt = NULL;
    if (cmt != NULL)
        this->cmt = m_strdup (cmt);     
    free_if_alloc (this->email);
    this->email = m_strdup (email);
    if (!this->email || !this->name)
        BUG (NULL);
    return gpg_editkey (this->ctx, this->key, this);
}

/* Delete the user-ID with the index @uid_index of the given key.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::delUserid (int uid_index)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_DELUID;
    this->uid_index = uid_index;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Delete the subkey with the index @key_index.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::delKey (int key_index)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_DELKEY;
    this->key_index = key_index;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Add a new subkey to the given key.
   The new key will have @pubkey_algo as the algorithm
   and a size of @pubkey_size bits. If valid > 0, the
   key expires in @valid days. 
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::addSubkey (gpgme_pubkey_algo_t pubkey_algo, unsigned int pubkey_size,
                       long valid)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_ADDKEY;
    this->pubkey_algo = pubkey_algo;
    this->pubkey_size = pubkey_size;
    this->valid = valid;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Change the passphrase of the given key to @new_pass.
   If allow_empty != 0, it is allowed to provide an empty passphrase.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::changePassphrase (const char *new_pass, int allow_empty)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);
    
    type = GPG_EDITKEY_PASSWD;
    this->new_pass = new_pass;
    this->flags = allow_empty? 1 : 0;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Set the primary user-ID of the given key to user-ID with
   the index @uid_index.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::setPrimaryUserid (int uid_index)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_PRIMARY;
    this->uid_index = uid_index;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Set the expire date of the subkey with the index @key_index.
   @exp_timestamp is used to calculate the days the key is valid.
   if @exp_days is true, exp_timestamp is already converted to days.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::setKeyExpireDate (int key_index, long exp_timestamp, bool exp_days)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);
    if (!exp_days && exp_timestamp > 0 && exp_timestamp < time (NULL))
        return gpg_error (GPG_ERR_INV_ARG);
    
    type = GPG_EDITKEY_EXPIRE;
    if (!exp_days && exp_timestamp > 0) {
        valid = exp_timestamp - time (NULL);
        valid /= 86400;
    }
    else
        valid = exp_timestamp;
    this->key_index = key_index;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Revoke the userid given by the index @uid_index.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::revokeUserid (int uid_index)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_REVUID;
    this->uid_index = uid_index;
    return gpg_editkey (this->ctx, this->key, this);
}


/* Revoke a signature on the user-ID with the index @uid_index
   and the signature index @sig_index.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::revokeSignature (int uid_index, int sig_index)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_REVSIG;
    this->uid_index = uid_index;
    this->sig_index = sig_index;
    return gpg_editkey (this->ctx, this->key, this);
}


/* Revoke the subkey with the index @key_index. Optionally
   a reason can be provided in @reason with a text to describe
   more details in @cmt.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::revokeSubkey (int key_index, int reason, const char *cmt)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_REVKEY;
    this->key_index = key_index;
    this->reason = reason;
    free_if_alloc (this->cmt);
    this->cmt = NULL;
    if (cmt)
        this->cmt = m_strdup (cmt);
    return gpg_editkey (this->ctx, this->key, this);
}


/* Add a designated revoker to the key. @uid stores
   the user-ID of the key who is allowed to be a
   designated revoker.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::addDesignatedRevoker (const char *uid)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_ADDREV;
    free_if_alloc (this->name);
    this->name = m_strdup (uid);
    return gpg_editkey (this->ctx, this->key, this);
}

/* Add a photo-ID to the key. The JPG image is given
   in the file with the name @jpg_file.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::addPhotoid (const char *jpg_file)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);

    type = GPG_EDITKEY_ADDPHOTO;
    this->url = jpg_file;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Enable the given key. */
gpgme_error_t
GpgKeyEdit::enable (void)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);
    type = GPG_EDITKEY_ENABLE;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Disable the given key. */
gpgme_error_t
GpgKeyEdit::disable (void)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);
    type = GPG_EDITKEY_DISABLE;
    return gpg_editkey (this->ctx, this->key, this);
}


/* Update the user-ID preferences of the user-ID with the
   index @uid_index to the prefs given in @new_prefs.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::setUseridPreferences (int uid_index, const char *new_prefs)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);
    return 0;
}


/* Delete a signature from the user-ID with the index @uid_index.
   The index of the signature is given in @sig_index.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::delUseridSignature (int uid_index, int sig_index)
{
    if (!this->key)
        return gpg_error (GPG_ERR_INV_OBJ);
    type = GPG_EDITKEY_DELSIG;
    this->uid_index = uid_index;
    this->sig_index = sig_index;
    return gpg_editkey (this->ctx, this->key, this);
}

/* Set the preferred keyserver for the given key to @url.
   Return value: 0 on success. */
gpgme_error_t
GpgKeyEdit::setPreferredKeyserver (int uid_index, const char *url)
{
    if (!this->key || !this->pass)
        return gpg_error (GPG_ERR_INV_OBJ);
    if (!url)
        return gpg_error (GPG_ERR_INV_ARG);
    type = GPG_EDITKEY_KEYSERV;
    this->url = url;
    this->uid_index = uid_index;
    return gpg_editkey (this->ctx, this->key, this);
}
1	werner	36	/* wptKeyEdit.cpp - GPG key edit abstraction
2			* Copyright (C) 2005 Timo Schulz
3			* Copyright (C) 2005 g10 Code GmbH
4			*
5			* This file is part of WinPT.
6			*
7			* WinPT is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU General Public License
9			* as published by the Free Software Foundation; either version 2
10			* of the License, or (at your option) any later version.
11			*
12			* WinPT 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 GNU
15			* General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with WinPT; if not, write to the Free Software Foundation,
19			* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20			*/
21
22			#ifdef HAVE_CONFIG_H
23			#include <config.h>
24			#endif
25
26			#include <windows.h>
27	werner	48	#include <time.h>
28	werner	36
29			#include "gpgme.h"
30			#include "wptCommonCtl.h"
31			#include "wptContext.h"
32			#include "wptKeyEdit.h"
33			#include "wptTypes.h"
34			#include "wptW32API.h"
35			#include "wptGPG.h"
36			#include "wptErrors.h"
37
38
39			/* Parse the colon status information of @line and store
40			the information in @rev.
41			Return value: 0 on success. */
42			static gpgme_error_t
43			rev_key_colon_handler (gpg_desig_rev_t rev, char line)
44			{
45			char p, pend;
46			gpg_desig_rev_t r, t;
47			int field = 0;
48
49			if (!line \|\| strlen (line) < 3)
50			return gpg_error (GPG_ERR_EOF);
51			if (strncmp (line, "rvk", 3))
52			return 0; /* skip this line. */
53
54			log_debug ("rev_key: line=%s\r\n", line);
55
56			r = (gpg_desig_rev_t)calloc (1, sizeof *r);
57			if (!r)
58			return gpg_error (GPG_ERR_ENOMEM);
59			if (!*rev)
60			*rev = r;
61			else {
62			for (t=*rev; t->next; t=t->next)
63			;
64			t->next = r;
65			}
66
67			p = strdup (line);
68			if (!p)
69			return gpg_error (GPG_ERR_ENOMEM);
70
71			for (;;) {
72			field++;
73			pend = strsep (&p, ":");
74			if (pend == NULL)
75			break;
76			switch (field) {
77			case 4: r->pubkey_algo = (gpgme_pubkey_algo_t)atol (pend); break;
78			case 10: strncpy (r->fpr, pend, 40); r->fpr[40] = 0; break;
79			}
80			}
81			if (p)
82			free (p);
83			return 0;
84			}
85
86
87			/* Parse the colon data output of edit key from @line and
88			store the information in the @inf context.
89			Return value: 0 on success. */
90			static gpgme_error_t
91			uid_inf_colon_handler (gpg_uid_info_t inf, char line)
92			{
93			gpg_uid_info_t i, t;
94			char p, pend;
95			int field = 0, len = 0;
96
97			if (!line \|\| strlen (line) < 3 \|\| strncmp (line, "uid", 3))
98			return gpg_error (GPG_ERR_EOF);
99
100			i = (gpg_uid_info_t)calloc (1, sizeof *i);
101			if (!i)
102			return gpg_error (GPG_ERR_ENOMEM);
103			if (!*inf)
104			*inf = i;
105			else {
106			for (t=*inf; t->next; t=t->next)
107			;
108			t->next = i;
109			}
110
111			p = strdup (line);
112			if (!p)
113			return gpg_error (GPG_ERR_ENOMEM);;
114			for (;;) {
115			field++;
116			pend = strsep (&p, ":");
117			if (pend == NULL)
118			break;
119
120			switch (field) {
121			case 2: /* trust info */
122			break;
123
124			case 10: /* user ID */
125			i->name = (char *)calloc (1, strlen (pend)+1);
126			if (!i->name)
127			return gpg_error (GPG_ERR_ENOMEM);;
128			gpg_decode_c_string (pend, &i->name, strlen (pend)+ 1);
129			if (strchr (pend, '<') != NULL && strchr (pend, '>') != NULL) {
130			int pos = strchr (i->name, '<')- i->name + 1;
131			int end = strchr (i->name, '>') - i->name;
132			i->email = (char*) calloc (1, end-pos+2);
133			if (!i->email)
134			return gpg_error (GPG_ERR_ENOMEM);;
135			memcpy (i->email, i->name+pos, (end-pos));
136			}
137			break;
138
139			case 13: /* preferences */
140			if (strstr (pend, "mdc")) {
141			len = strlen (pend) - 4; /* ,mdc */
142			if (strstr (pend, "no-ks-modify")) {
143			i->flags.no_ks_modify = 1;
144			len -= 13; /* ,no-ks-modify */
145			}
146			i->prefs = (char*)calloc (1, len+1);
147			if (!i->prefs)
148			return gpg_error (GPG_ERR_ENOMEM);
149			memcpy (i->prefs, pend, len);
150			i->prefs[len] = '\0';
151			i->flags.mdc = 1;
152			}
153			else {
154			i->prefs = strdup (pend);
155			if (!i->prefs)
156			return gpg_error (GPG_ERR_ENOMEM);
157			i->flags.mdc = 0;
158			}
159			break;
160
161			case 14: /* index/flags */
162			i->index = atol (pend);
163			if (strchr (pend, 'r'))
164			i->flags.revoked = 1;
165			if (strchr (pend, 'p'))
166			i->flags.primary = 1;
167			break;
168			}
169			}
170			if (p)
171			free (p);
172			return 0;
173			}
174
175
176			/* Release the context in @inf. */
177			void
178			gpg_uid_info_release (gpg_uid_info_t list)
179			{
180			gpg_uid_info_t i;
181
182			while (list) {
183			i = list->next;
184			if (list->name) {
185			if (list->name)
186			free (list->name);
187			list->name = NULL;
188			}
189			if (list->prefs) {
190			if (list->prefs)
191			free (list->prefs);
192			list->prefs = NULL;
193			}
194			free (list);
195			list = i;
196			}
197			}
198
199
200			/* Release the context in @rev. */
201			void
202			gpg_desig_rev_release (gpg_desig_rev_t rev)
203			{
204			gpg_desig_rev_t r;
205
206			while (rev) {
207			r = rev->next;
208			free (rev);
209			rev = r;
210			}
211			}
212
213
214			static gpgme_error_t
215			list2_handler (void opaque, gpgme_status_code_t code, const char key, int fd)
216			{
217			DWORD n;
218			const char *s;
219
220			if (!strcmp (key, "keyedit.prompt")) {
221			s = "quit\n";
222			WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
223			}
224			return 0;
225			}
226
227			/* Dummy handler to get the colon data and then quit. */
228			static gpgme_error_t
229			list_handler (void opaque, gpgme_status_code_t code, const char key, int fd)
230			{
231			static int step=0;
232			const char *s="";
233			DWORD n;
234
235			if (!strcmp (key, "keyedit.prompt") && step == 0) {
236			step = 1;
237			s = "list\n";
238			WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
239			}
240			else if (!strcmp (key, "keyedit.prompt") && step == 1) {
241			step = 0;
242			s = "quit\n";
243			WriteFile ((HANDLE)fd, s, strlen (s), &n, NULL);
244			}
245
246			return 0;
247			}
248
249
250			/* Return all designated revokers for this key. If no revoker
251			was set, @r_rev is NULL.
252			Return value: 0 on success. */
253			gpgme_error_t
254			GpgKeyEdit::getDesignatedRevoker (gpg_desig_rev_t *r_rev)
255			{
256			gpgme_data_t out=NULL;
257			gpg_desig_rev_t rev = NULL;
258			gpgme_error_t err;
259			char buf[256];
260
261			if (!this->key)
262			return gpg_error (GPG_ERR_INV_OBJ);
263
264			err = gpgme_data_new (&out);
265			if (err)
266			goto leave;
267
268			err = gpgme_op_edit (ctx, key, list2_handler, NULL, out);
269			if (err)
270			goto leave;
271
272			gpgme_data_rewind (out);
273			while (gpg_data_readline (out, buf, sizeof (buf)-1) > 0)
274			rev_key_colon_handler (&rev, buf);
275			*r_rev = rev;
276
277			leave:
278			if (out)
279			gpgme_data_release (out);
280			if (err) {
281			gpg_desig_rev_release (rev);
282			*r_rev = NULL;
283			}
284			return err;
285			}
286
287			/* Retrieve all user ID information of the key set via setKey
288			in @r_inf. The result also contains the user ID number which
289			is needed to securely delete the user-ID. */
290			gpgme_error_t
291			GpgKeyEdit::getUseridInfo (gpg_uid_info_t *r_uinf)
292			{
293			gpgme_data_t out = NULL;
294			gpgme_error_t err;
295			gpg_uid_info_t inf = NULL;
296			char buf[256];
297
298			if (!this->key)
299			return gpg_error (GPG_ERR_INV_OBJ);
300
301			err = gpgme_data_new (&out);
302			if (err)
303			goto leave;
304
305			err = gpgme_op_edit (ctx, key, list_handler, NULL, out);
306			if (err)
307			goto leave;
308
309			gpgme_data_rewind (out);
310			while (gpg_data_readline (out, buf, sizeof (buf) -1) > 0)
311			uid_inf_colon_handler (&inf, buf);
312
313			*r_uinf = inf;
314
315			leave:
316			if (out)
317			gpgme_data_release (out);
318			if (err) {
319			gpg_uid_info_release (inf);
320			*r_uinf = NULL;
321			}
322			return err;
323			}
324
325
326			/* Construct an object with the given key in @key. */
327			GpgKeyEdit::GpgKeyEdit (gpgme_key_t key)
328			{
329			this->key = key;
330			pass = NULL;
331			type = 0;
332			name = NULL;
333			cmt = NULL;
334			email = NULL;
335			cnt = 0;
336			cmd_sent = 0;
337			resval = 0;
338			gpgme_new (&ctx); /* FIXME */
339			}
340
341			/* Construct an object and fetch the key with the keyid @keyid. */
342			GpgKeyEdit::GpgKeyEdit (const char *keyid)
343			{
344			get_pubkey (keyid, &this->key);
345			pass = NULL;
346			type = 0;
347			name = NULL;
348			cmt = NULL;
349			email = NULL;
350			cmd_sent = 0;
351			resval = 0;
352			gpgme_new (&ctx); /* FIXME */
353			}
354
355			/* Delete the given object. */
356			GpgKeyEdit::~GpgKeyEdit (void)
357			{
358			free_if_alloc (name);
359			free_if_alloc (cmt);
360			free_if_alloc (email);
361			gpgme_release (ctx);
362			}
363
364
365			/* Reset the state of the object. */
366			void
367			GpgKeyEdit::reset (void)
368			{
369			cmd_sent = 0;
370			}
371
372
373			/* Return true if type has a non-zero value. */
374			bool
375			GpgKeyEdit::isValid (void)
376			{
377			return type != 0;
378			}
379
380
381			/* Return the GPGME key. */
382			gpgme_key_t
383			GpgKeyEdit::getKey (void)
384			{
385			return key;
386			}
387
388
389			/* Set the GPGME callback to @cb. The hook value can be
390			given in @cb_value. */
391			void
392			GpgKeyEdit::setCallback (gpgme_progress_cb_t cb, void *cb_value)
393			{
394			gpgme_set_progress_cb (ctx, cb, cb_value);
395			}
396
397			/* Set the passphrase to @pass. */
398			void
399			GpgKeyEdit::setPassphrase (const char *pass)
400			{
401			this->pass = pass;
402			}
403
404			/* Set the current key to @key. */
405			void
406			GpgKeyEdit::setKey (gpgme_key_t key)
407			{
408			this->key = key;
409			}
410
411			/* Set the keyid of the destination key to @keyid. */
412			void
413			GpgKeyEdit::setKeyID (const char *keyid)
414			{
415			if (!keyid)
416			return;
417			get_pubkey (keyid, &this->key);
418			}
419
420
421			/* Set the local user for the operation to @locusr. */
422			void
423			GpgKeyEdit::setLocalUser (gpgme_key_t locusr)
424			{
425			gpgme_signers_add (ctx, locusr);
426			}
427
428			/* Set the result of the operation to @val. */
429			void
430			GpgKeyEdit::setResult (int val)
431			{
432			resval \|= val;
433			}
434
435
436			/* Return the result of the operation. */
437			int
438			GpgKeyEdit::getResult(void)
439			{
440			return resval;
441			}
442
443
444
445			int
446			GpgKeyEdit::getType (void)
447			{
448			return type;
449			}
450
451			/* Sign the key stored in the object with the
452			signing mode @mode and the signature class @sig_class.
453			Return value: 0 on success. */
454			gpgme_error_t
455			GpgKeyEdit::signKey (int mode, int sig_class, const char *exp_date)
456			{
457			if (!this->key \|\| !this->pass)
458			return gpg_error (GPG_ERR_INV_OBJ);
459
460			type = mode;
461			this->exp_date = exp_date;
462			this->sig_class = sig_class;
463			return gpg_editkey (this->ctx, this->key, this);
464			}
465
466			/* Set the ownertrust of the key stored in the object
467			to the trust value @trust.
468			Return value: 0 on success. */
469			gpgme_error_t
470			GpgKeyEdit::setTrust (gpgme_validity_t trust)
471			{
472			if (!this->key)
473			return gpg_error (GPG_ERR_INV_OBJ);
474
475			type = GPG_EDITKEY_TRUST;
476			this->trust_id = (int)trust;
477			return gpg_editkey (this->ctx, this->key, this);
478			}
479
480			/* Add a user ID to the given key with the @name as the
481			name, @cmt as the comment (or NULL) and @email as the email.
482			Return value: 0 on success. */
483			gpgme_error_t
484			GpgKeyEdit::addUserid (const char name, const char cmt, const char *email)
485			{
486			if (!this->key \|\| !this->pass)
487			return gpg_error (GPG_ERR_INV_OBJ);
488
489			type = GPG_EDITKEY_ADDUID;
490			free_if_alloc (this->name);
491			this->name = m_strdup (name);
492			free_if_alloc (this->cmt);
493			this->cmt = NULL;
494			if (cmt != NULL)
495			this->cmt = m_strdup (cmt);
496			free_if_alloc (this->email);
497			this->email = m_strdup (email);
498			if (!this->email \|\| !this->name)
499			BUG (NULL);
500			return gpg_editkey (this->ctx, this->key, this);
501			}
502
503			/* Delete the user-ID with the index @uid_index of the given key.
504			Return value: 0 on success. */
505			gpgme_error_t
506			GpgKeyEdit::delUserid (int uid_index)
507			{
508			if (!this->key)
509			return gpg_error (GPG_ERR_INV_OBJ);
510
511			type = GPG_EDITKEY_DELUID;
512			this->uid_index = uid_index;
513			return gpg_editkey (this->ctx, this->key, this);
514			}
515
516			/* Delete the subkey with the index @key_index.
517			Return value: 0 on success. */
518			gpgme_error_t
519			GpgKeyEdit::delKey (int key_index)
520			{
521			if (!this->key)
522			return gpg_error (GPG_ERR_INV_OBJ);
523
524			type = GPG_EDITKEY_DELKEY;
525			this->key_index = key_index;
526			return gpg_editkey (this->ctx, this->key, this);
527			}
528
529			/* Add a new subkey to the given key.
530			The new key will have @pubkey_algo as the algorithm
531			and a size of @pubkey_size bits. If valid > 0, the
532			key expires in @valid days.
533			Return value: 0 on success. */
534			gpgme_error_t
535			GpgKeyEdit::addSubkey (gpgme_pubkey_algo_t pubkey_algo, unsigned int pubkey_size,
536			long valid)
537			{
538			if (!this->key \|\| !this->pass)
539			return gpg_error (GPG_ERR_INV_OBJ);
540
541			type = GPG_EDITKEY_ADDKEY;
542			this->pubkey_algo = pubkey_algo;
543			this->pubkey_size = pubkey_size;
544			this->valid = valid;
545			return gpg_editkey (this->ctx, this->key, this);
546			}
547
548			/* Change the passphrase of the given key to @new_pass.
549			If allow_empty != 0, it is allowed to provide an empty passphrase.
550			Return value: 0 on success. */
551			gpgme_error_t
552			GpgKeyEdit::changePassphrase (const char *new_pass, int allow_empty)
553			{
554			if (!this->key \|\| !this->pass)
555			return gpg_error (GPG_ERR_INV_OBJ);
556
557			type = GPG_EDITKEY_PASSWD;
558			this->new_pass = new_pass;
559			this->flags = allow_empty? 1 : 0;
560			return gpg_editkey (this->ctx, this->key, this);
561			}
562
563			/* Set the primary user-ID of the given key to user-ID with
564			the index @uid_index.
565			Return value: 0 on success. */
566			gpgme_error_t
567			GpgKeyEdit::setPrimaryUserid (int uid_index)
568			{
569			if (!this->key \|\| !this->pass)
570			return gpg_error (GPG_ERR_INV_OBJ);
571
572			type = GPG_EDITKEY_PRIMARY;
573			this->uid_index = uid_index;
574			return gpg_editkey (this->ctx, this->key, this);
575			}
576
577			/* Set the expire date of the subkey with the index @key_index.
578			@exp_timestamp is used to calculate the days the key is valid.
579			if @exp_days is true, exp_timestamp is already converted to days.
580			Return value: 0 on success. */
581			gpgme_error_t
582			GpgKeyEdit::setKeyExpireDate (int key_index, long exp_timestamp, bool exp_days)
583			{
584			if (!this->key \|\| !this->pass)
585			return gpg_error (GPG_ERR_INV_OBJ);
586			if (!exp_days && exp_timestamp > 0 && exp_timestamp < time (NULL))
587			return gpg_error (GPG_ERR_INV_ARG);
588
589			type = GPG_EDITKEY_EXPIRE;
590			if (!exp_days && exp_timestamp > 0) {
591			valid = exp_timestamp - time (NULL);
592			valid /= 86400;
593			}
594			else
595			valid = exp_timestamp;
596			this->key_index = key_index;
597			return gpg_editkey (this->ctx, this->key, this);
598			}
599
600			/* Revoke the userid given by the index @uid_index.
601			Return value: 0 on success. */
602			gpgme_error_t
603			GpgKeyEdit::revokeUserid (int uid_index)
604			{
605			if (!this->key \|\| !this->pass)
606			return gpg_error (GPG_ERR_INV_OBJ);
607
608			type = GPG_EDITKEY_REVUID;
609			this->uid_index = uid_index;
610			return gpg_editkey (this->ctx, this->key, this);
611			}
612
613
614			/* Revoke a signature on the user-ID with the index @uid_index
615			and the signature index @sig_index.
616			Return value: 0 on success. */
617			gpgme_error_t
618			GpgKeyEdit::revokeSignature (int uid_index, int sig_index)
619			{
620			if (!this->key \|\| !this->pass)
621			return gpg_error (GPG_ERR_INV_OBJ);
622
623			type = GPG_EDITKEY_REVSIG;
624			this->uid_index = uid_index;
625			this->sig_index = sig_index;
626			return gpg_editkey (this->ctx, this->key, this);
627			}
628
629
630			/* Revoke the subkey with the index @key_index. Optionally
631			a reason can be provided in @reason with a text to describe
632			more details in @cmt.
633			Return value: 0 on success. */
634			gpgme_error_t
635			GpgKeyEdit::revokeSubkey (int key_index, int reason, const char *cmt)
636			{
637			if (!this->key \|\| !this->pass)
638			return gpg_error (GPG_ERR_INV_OBJ);
639
640			type = GPG_EDITKEY_REVKEY;
641			this->key_index = key_index;
642			this->reason = reason;
643			free_if_alloc (this->cmt);
644			this->cmt = NULL;
645			if (cmt)
646			this->cmt = m_strdup (cmt);
647			return gpg_editkey (this->ctx, this->key, this);
648			}
649
650
651			/* Add a designated revoker to the key. @uid stores
652			the user-ID of the key who is allowed to be a
653			designated revoker.
654			Return value: 0 on success. */
655			gpgme_error_t
656			GpgKeyEdit::addDesignatedRevoker (const char *uid)
657			{
658			if (!this->key \|\| !this->pass)
659			return gpg_error (GPG_ERR_INV_OBJ);
660
661			type = GPG_EDITKEY_ADDREV;
662			free_if_alloc (this->name);
663			this->name = m_strdup (uid);
664			return gpg_editkey (this->ctx, this->key, this);
665			}
666
667			/* Add a photo-ID to the key. The JPG image is given
668			in the file with the name @jpg_file.
669			Return value: 0 on success. */
670			gpgme_error_t
671			GpgKeyEdit::addPhotoid (const char *jpg_file)
672			{
673			if (!this->key \|\| !this->pass)
674			return gpg_error (GPG_ERR_INV_OBJ);
675
676			type = GPG_EDITKEY_ADDPHOTO;
677			this->url = jpg_file;
678			return gpg_editkey (this->ctx, this->key, this);
679			}
680
681			/* Enable the given key. */
682			gpgme_error_t
683			GpgKeyEdit::enable (void)
684			{
685			if (!this->key)
686			return gpg_error (GPG_ERR_INV_OBJ);
687			type = GPG_EDITKEY_ENABLE;
688			return gpg_editkey (this->ctx, this->key, this);
689			}
690
691			/* Disable the given key. */
692			gpgme_error_t
693			GpgKeyEdit::disable (void)
694			{
695			if (!this->key)
696			return gpg_error (GPG_ERR_INV_OBJ);
697			type = GPG_EDITKEY_DISABLE;
698			return gpg_editkey (this->ctx, this->key, this);
699			}
700
701
702			/* Update the user-ID preferences of the user-ID with the
703			index @uid_index to the prefs given in @new_prefs.
704			Return value: 0 on success. */
705			gpgme_error_t
706			GpgKeyEdit::setUseridPreferences (int uid_index, const char *new_prefs)
707			{
708			if (!this->key \|\| !this->pass)
709			return gpg_error (GPG_ERR_INV_OBJ);
710			return 0;
711			}
712
713
714			/* Delete a signature from the user-ID with the index @uid_index.
715			The index of the signature is given in @sig_index.
716			Return value: 0 on success. */
717			gpgme_error_t
718			GpgKeyEdit::delUseridSignature (int uid_index, int sig_index)
719			{
720			if (!this->key)
721			return gpg_error (GPG_ERR_INV_OBJ);
722			type = GPG_EDITKEY_DELSIG;
723			this->uid_index = uid_index;
724			this->sig_index = sig_index;
725			return gpg_editkey (this->ctx, this->key, this);
726			}
727
728			/* Set the preferred keyserver for the given key to @url.
729			Return value: 0 on success. */
730			gpgme_error_t
731			GpgKeyEdit::setPreferredKeyserver (int uid_index, const char *url)
732			{
733			if (!this->key \|\| !this->pass)
734			return gpg_error (GPG_ERR_INV_OBJ);
735			if (!url)
736			return gpg_error (GPG_ERR_INV_ARG);
737			type = GPG_EDITKEY_KEYSERV;
738			this->url = url;
739			this->uid_index = uid_index;
740			return gpg_editkey (this->ctx, this->key, this);
741			}