Finish rename from prior commit

1 files changed, 722 insertions, 0 deletions

diff --git a/libtdenetwork/libgpgme-copy/gpgme/key.c b/libtdenetwork/libgpgme-copy/gpgme/key.c
new file mode 100644
index 000000000..d411e572d
--- /dev/null
+++ b/libtdenetwork/libgpgme-copy/gpgme/key.c
@@ -0,0 +1,722 @@
+/* key.c - Key objects.
+   Copyright (C) 2000 Werner Koch (dd9jn)
+   Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
+
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+   
+   GPGME 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
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <errno.h>
+
+#include "util.h"
+#include "ops.h"
+#include "sema.h"
+
+
+/* Protects all reference counters in keys.  All other accesses to a
+   key are read only.  */
+DEFINE_STATIC_LOCK (key_ref_lock);
+
+
+/* Create a new key.  */
+gpgme_error_t
+_gpgme_key_new (gpgme_key_t *r_key)
+{
+  gpgme_key_t key;
+
+  key = calloc (1, sizeof *key);
+  if (!key)
+    return gpg_error_from_errno (errno);
+  key->_refs = 1;
+
+  *r_key = key;
+  return 0;
+}
+
+
+gpgme_error_t
+_gpgme_key_add_subkey (gpgme_key_t key, gpgme_subkey_t *r_subkey)
+{
+  gpgme_subkey_t subkey;
+
+  subkey = calloc (1, sizeof *subkey);
+  if (!subkey)
+    return gpg_error_from_errno (errno);
+  subkey->keyid = subkey->_keyid;
+  subkey->_keyid[16] = '\0';
+
+  if (!key->subkeys)
+    key->subkeys = subkey;
+  if (key->_last_subkey)
+    key->_last_subkey->next = subkey;
+  key->_last_subkey = subkey;
+
+  *r_subkey = subkey;
+  return 0;
+}
+
+
+static char *
+set_user_id_part (char *tail, const char *buf, size_t len)
+{
+  while (len && (buf[len - 1] == ' ' || buf[len - 1] == '\t')) 
+    len--;
+  for (; len; len--)
+    *tail++ = *buf++;
+  *tail++ = 0;
+  return tail;
+}
+
+
+static void
+parse_user_id (char *src, char **name, char **email,
+	       char **comment, char *tail)
+{
+  const char *start = NULL;
+  int in_name = 0;
+  int in_email = 0;
+  int in_comment = 0;
+
+  while (*src)
+    {
+      if (in_email)
+	{
+	  if (*src == '<')
+	    /* Not legal but anyway.  */
+	    in_email++;
+	  else if (*src == '>')
+	    {
+	      if (!--in_email && !*email)
+		{
+		  *email = tail;
+		  tail = set_user_id_part (tail, start, src - start);
+		}
+	    }
+	}
+      else if (in_comment)
+	{
+	  if (*src == '(')
+	    in_comment++;
+	  else if (*src == ')')
+	    {
+	      if (!--in_comment && !*comment)
+		{
+		  *comment = tail;
+		  tail = set_user_id_part (tail, start, src - start);
+		}
+	    }
+	}
+      else if (*src == '<')
+	{
+	  if (in_name)
+	    {
+	      if (!*name)
+		{
+		  *name = tail;
+		  tail = set_user_id_part (tail, start, src - start);
+		}
+	      in_name = 0;
+	    }
+	  in_email = 1;
+	  start = src + 1;
+	}
+      else if (*src == '(')
+	{
+	  if (in_name)
+	    {
+	      if (!*name)
+		{
+		  *name = tail;
+		  tail = set_user_id_part (tail, start, src - start);
+		}
+	      in_name = 0;
+	    }
+	  in_comment = 1;
+	  start = src + 1;
+	}
+      else if (!in_name && *src != ' ' && *src != '\t')
+	{
+	  in_name = 1;
+	  start = src;
+	}    
+      src++;
+    }
+ 
+  if (in_name)
+    {
+      if (!*name)
+	{
+	  *name = tail;
+	  tail = set_user_id_part (tail, start, src - start);
+	}
+    }
+ 
+  /* Let unused parts point to an EOS.  */
+  tail--;
+  if (!*name)
+    *name = tail;
+  if (!*email)
+    *email = tail;
+  if (!*comment)
+    *comment = tail;
+}
+
+
+static void
+parse_x509_user_id (char *src, char **name, char **email,
+		    char **comment, char *tail)
+{
+  if (*src == '<' && src[strlen (src) - 1] == '>')
+    *email = src;
+  
+  /* Let unused parts point to an EOS.  */
+  tail--;
+  if (!*name)
+    *name = tail;
+  if (!*email)
+    *email = tail;
+  if (!*comment)
+    *comment = tail;
+}
+
+
+/* Take a name from the --with-colon listing, remove certain escape
+   sequences sequences and put it into the list of UIDs.  */
+gpgme_error_t
+_gpgme_key_append_name (gpgme_key_t key, char *src)
+{
+  gpgme_user_id_t uid;
+  char *dst;
+  int src_len = strlen (src);
+
+  assert (key);
+  /* We can malloc a buffer of the same length, because the converted
+     string will never be larger. Actually we allocate it twice the
+     size, so that we are able to store the parsed stuff there too.  */
+  uid = malloc (sizeof (*uid) + 2 * src_len + 3);
+  if (!uid)
+    return gpg_error_from_errno (errno);
+  memset (uid, 0, sizeof *uid);
+
+  uid->uid = ((char *) uid) + sizeof (*uid);
+  dst = uid->uid;
+  _gpgme_decode_c_string (src, &dst, src_len + 1);
+
+  dst += strlen (dst) + 1;
+  if (key->protocol == GPGME_PROTOCOL_CMS)
+    parse_x509_user_id (uid->uid, &uid->name, &uid->email,
+			&uid->comment, dst);
+  else
+    parse_user_id (uid->uid, &uid->name, &uid->email,
+		   &uid->comment, dst);
+
+  if (!key->uids)
+    key->uids = uid;
+  if (key->_last_uid)
+    key->_last_uid->next = uid;
+  key->_last_uid = uid;
+
+  return 0;
+}
+
+
+gpgme_key_sig_t
+_gpgme_key_add_sig (gpgme_key_t key, char *src)
+{
+  int src_len = src ? strlen (src) : 0;
+  gpgme_user_id_t uid;
+  gpgme_key_sig_t sig;
+
+  assert (key);	/* XXX */
+
+  uid = key->_last_uid;
+  assert (uid);	/* XXX */
+
+  /* We can malloc a buffer of the same length, because the converted
+     string will never be larger. Actually we allocate it twice the
+     size, so that we are able to store the parsed stuff there too.  */
+  sig = malloc (sizeof (*sig) + 2 * src_len + 3);
+  if (!sig)
+    return NULL;
+  memset (sig, 0, sizeof *sig);
+
+  sig->keyid = sig->_keyid;
+  sig->_keyid[16] = '\0';
+  sig->uid = ((char *) sig) + sizeof (*sig);
+
+  if (src)
+    {
+      char *dst = sig->uid;
+      _gpgme_decode_c_string (src, &dst, src_len + 1);
+      dst += strlen (dst) + 1;
+      if (key->protocol == GPGME_PROTOCOL_CMS)
+	parse_x509_user_id (sig->uid, &sig->name, &sig->email,
+			    &sig->comment, dst);
+      else
+	parse_user_id (sig->uid, &sig->name, &sig->email,
+		       &sig->comment, dst);
+    }
+
+  if (!uid->signatures)
+    uid->signatures = sig;
+  if (uid->_last_keysig)
+    uid->_last_keysig->next = sig;
+  uid->_last_keysig = sig;
+
+  return sig;
+}
+
+
+/* Acquire a reference to KEY.  */
+void
+gpgme_key_ref (gpgme_key_t key)
+{
+  LOCK (key_ref_lock);
+  key->_refs++;
+  UNLOCK (key_ref_lock);
+}
+
+
+/* gpgme_key_unref releases the key object.  Note, that this function
+   may not do an actual release if there are other shallow copies of
+   the objects.  You have to call this function for every newly
+   created key object as well as for every gpgme_key_ref() done on the
+   key object.  */
+void
+gpgme_key_unref (gpgme_key_t key)
+{
+  gpgme_user_id_t uid;
+  gpgme_subkey_t subkey;
+
+  if (!key)
+    return;
+
+  LOCK (key_ref_lock);
+  assert (key->_refs > 0);
+  if (--key->_refs)
+    {
+      UNLOCK (key_ref_lock);
+      return;
+    }
+  UNLOCK (key_ref_lock);
+
+  subkey = key->subkeys;
+  while (subkey)
+    {
+      gpgme_subkey_t next = subkey->next;
+      if (subkey->fpr)
+	free (subkey->fpr);
+      free (subkey);
+      subkey = next;
+    }
+
+  uid = key->uids;
+  while (uid)
+    {
+      gpgme_user_id_t next_uid = uid->next;
+      gpgme_key_sig_t keysig = uid->signatures;
+
+      while (keysig)
+	{
+	  gpgme_key_sig_t next_keysig = keysig->next;
+	  gpgme_sig_notation_t notation = keysig->notations;
+
+	  while (notation)
+	    {
+	      gpgme_sig_notation_t next_notation = notation->next;
+
+	      _gpgme_sig_notation_free (notation);
+	      notation = next_notation;
+	    }
+
+          free (keysig);
+	  keysig = next_keysig;
+        }
+      free (uid);
+      uid = next_uid;
+    }
+  
+  if (key->issuer_serial)
+    free (key->issuer_serial);
+  if (key->issuer_name)
+    free (key->issuer_name);
+
+  if (key->chain_id)
+    free (key->chain_id);
+
+  free (key);
+}
+
+
+/* Compatibility interfaces.  */
+
+void
+gpgme_key_release (gpgme_key_t key)
+{
+  gpgme_key_unref (key);
+}
+
+
+static const char *
+otrust_to_string (int otrust)
+{
+  switch (otrust)
+    {
+    case GPGME_VALIDITY_NEVER:
+      return "n";
+
+    case GPGME_VALIDITY_MARGINAL:
+      return "m";
+
+    case GPGME_VALIDITY_FULL:
+      return "f";
+
+    case GPGME_VALIDITY_ULTIMATE:
+      return "u";
+
+    default:
+      return "?";
+    }
+}
+
+
+static const char *
+validity_to_string (int validity)
+{
+  switch (validity)
+    {
+    case GPGME_VALIDITY_UNDEFINED:
+      return "q";
+
+    case GPGME_VALIDITY_NEVER:
+      return "n";
+
+    case GPGME_VALIDITY_MARGINAL:
+      return "m";
+
+    case GPGME_VALIDITY_FULL:
+      return "f";
+
+    case GPGME_VALIDITY_ULTIMATE:
+      return "u";
+
+    case GPGME_VALIDITY_UNKNOWN:
+    default:
+      return "?";
+    }
+}
+
+
+static const char *
+capabilities_to_string (gpgme_subkey_t subkey)
+{
+  static const char *const strings[8] =
+    {
+      "",
+      "c",
+      "s",
+      "sc",
+      "e",
+      "ec",
+      "es",
+      "esc"
+    };
+  return strings[(!!subkey->can_encrypt << 2)
+		 | (!!subkey->can_sign << 1)
+		 | (!!subkey->can_certify)];
+}
+
+
+/* Return the value of the attribute WHAT of ITEM, which has to be
+   representable by a string.  */
+const char *
+gpgme_key_get_string_attr (gpgme_key_t key, _gpgme_attr_t what,
+			   const void *reserved, int idx)
+{
+  gpgme_subkey_t subkey;
+  gpgme_user_id_t uid;
+  int i;
+
+  if (!key || reserved || idx < 0)
+    return NULL;
+
+  /* Select IDXth subkey.  */
+  subkey = key->subkeys;
+  for (i = 0; i < idx; i++)
+    {
+      subkey = subkey->next;
+      if (!subkey)
+	break;
+    }
+
+  /* Select the IDXth user ID.  */
+  uid = key->uids;
+  for (i = 0; i < idx; i++)
+    {
+      uid = uid->next;
+      if (!uid)
+	break;
+    }
+
+  switch (what)
+    {
+    case GPGME_ATTR_KEYID:
+      return subkey ? subkey->keyid : NULL;
+
+    case GPGME_ATTR_FPR:
+      return subkey ? subkey->fpr : NULL;
+
+    case GPGME_ATTR_ALGO:    
+      return subkey ? gpgme_pubkey_algo_name (subkey->pubkey_algo) : NULL;
+
+    case GPGME_ATTR_TYPE:
+      return key->protocol == GPGME_PROTOCOL_CMS ? "X.509" : "PGP";
+
+    case GPGME_ATTR_OTRUST:
+      return otrust_to_string (key->owner_trust);
+
+    case GPGME_ATTR_USERID:  
+      return uid ? uid->uid : NULL;
+
+    case GPGME_ATTR_NAME:   
+      return uid ? uid->name : NULL;
+
+    case GPGME_ATTR_EMAIL:
+      return uid ? uid->email : NULL;
+
+    case GPGME_ATTR_COMMENT:
+      return uid ? uid->comment : NULL;
+
+    case GPGME_ATTR_VALIDITY:
+      return uid ? validity_to_string (uid->validity) : NULL;
+
+    case GPGME_ATTR_KEY_CAPS:    
+      return subkey ? capabilities_to_string (subkey) : NULL;
+
+    case GPGME_ATTR_SERIAL:
+      return key->issuer_serial;
+
+    case GPGME_ATTR_ISSUER:
+      return idx ? NULL : key->issuer_name;
+
+    case GPGME_ATTR_CHAINID:
+      return key->chain_id;
+
+    default:
+      return NULL;
+    }
+}
+
+
+unsigned long
+gpgme_key_get_ulong_attr (gpgme_key_t key, _gpgme_attr_t what,
+			  const void *reserved, int idx)
+{
+  gpgme_subkey_t subkey;
+  gpgme_user_id_t uid;
+  int i;
+
+  if (!key || reserved || idx < 0)
+    return 0;
+
+  /* Select IDXth subkey.  */
+  subkey = key->subkeys;
+  for (i = 0; i < idx; i++)
+    {
+      subkey = subkey->next;
+      if (!subkey)
+	break;
+    }
+
+  /* Select the IDXth user ID.  */
+  uid = key->uids;
+  for (i = 0; i < idx; i++)
+    {
+      uid = uid->next;
+      if (!uid)
+	break;
+    }
+
+  switch (what)
+    {
+    case GPGME_ATTR_ALGO:
+      return subkey ? (unsigned long) subkey->pubkey_algo : 0;
+
+    case GPGME_ATTR_LEN:
+      return subkey ? (unsigned long) subkey->length : 0;
+
+    case GPGME_ATTR_TYPE:
+      return key->protocol == GPGME_PROTOCOL_CMS ? 1 : 0;
+
+    case GPGME_ATTR_CREATED:
+      return (subkey && subkey->timestamp >= 0)
+	? (unsigned long) subkey->timestamp : 0;
+
+    case GPGME_ATTR_EXPIRE: 
+      return (subkey && subkey->expires >= 0)
+	? (unsigned long) subkey->expires : 0;
+
+    case GPGME_ATTR_VALIDITY:
+      return uid ? uid->validity : 0;
+
+    case GPGME_ATTR_OTRUST:
+      return key->owner_trust;
+
+    case GPGME_ATTR_IS_SECRET:
+      return !!key->secret;
+
+    case GPGME_ATTR_KEY_REVOKED:
+      return subkey ? subkey->revoked : 0;
+
+    case GPGME_ATTR_KEY_INVALID:
+      return subkey ? subkey->invalid : 0;
+
+    case GPGME_ATTR_KEY_EXPIRED:
+      return subkey ? subkey->expired : 0;
+
+    case GPGME_ATTR_KEY_DISABLED:
+      return subkey ? subkey->disabled : 0;
+
+    case GPGME_ATTR_UID_REVOKED:
+      return uid ? uid->revoked : 0;
+
+    case GPGME_ATTR_UID_INVALID:
+      return uid ? uid->invalid : 0;
+
+    case GPGME_ATTR_CAN_ENCRYPT:
+      return key->can_encrypt;
+
+    case GPGME_ATTR_CAN_SIGN:
+      return key->can_sign;
+
+    case GPGME_ATTR_CAN_CERTIFY:
+      return key->can_certify;
+
+    default:
+      return 0;
+    }
+}
+
+
+static gpgme_key_sig_t
+get_keysig (gpgme_key_t key, int uid_idx, int idx)
+{
+  gpgme_user_id_t uid;
+  gpgme_key_sig_t sig;
+
+  if (!key || uid_idx < 0 || idx < 0)
+    return NULL;
+
+  uid = key->uids;
+  while (uid && uid_idx > 0)
+    {
+      uid = uid->next;
+      uid_idx--;
+    }
+  if (!uid)
+    return NULL;
+
+  sig = uid->signatures;
+  while (sig && idx > 0)
+    {
+      sig = sig->next;
+      idx--;
+    }
+  return sig;
+}
+
+
+const char *
+gpgme_key_sig_get_string_attr (gpgme_key_t key, int uid_idx,
+			       _gpgme_attr_t what,
+			       const void *reserved, int idx)
+{
+  gpgme_key_sig_t certsig = get_keysig (key, uid_idx, idx);
+
+  if (!certsig || reserved)
+    return NULL;
+
+  switch (what)
+    {
+    case GPGME_ATTR_KEYID:
+      return certsig->keyid;
+
+    case GPGME_ATTR_ALGO:    
+      return gpgme_pubkey_algo_name (certsig->pubkey_algo);
+
+    case GPGME_ATTR_USERID:
+      return certsig->uid;
+
+    case GPGME_ATTR_NAME:   
+      return certsig->name;
+
+    case GPGME_ATTR_EMAIL:
+      return certsig->email;
+
+    case GPGME_ATTR_COMMENT:
+      return certsig->comment;
+   
+    default:
+      return NULL;
+    }
+}
+
+
+unsigned long
+gpgme_key_sig_get_ulong_attr (gpgme_key_t key, int uid_idx, _gpgme_attr_t what,
+			      const void *reserved, int idx)
+{
+  gpgme_key_sig_t certsig = get_keysig (key, uid_idx, idx);
+
+  if (!certsig || reserved)
+    return 0;
+
+  switch (what)
+    {
+    case GPGME_ATTR_ALGO:    
+      return (unsigned long) certsig->pubkey_algo;
+
+    case GPGME_ATTR_CREATED: 
+      return certsig->timestamp < 0 ? 0L : (unsigned long) certsig->timestamp;
+
+    case GPGME_ATTR_EXPIRE: 
+      return certsig->expires < 0 ? 0L : (unsigned long) certsig->expires;
+
+    case GPGME_ATTR_KEY_REVOKED:
+      return certsig->revoked;
+
+    case GPGME_ATTR_KEY_INVALID:
+      return certsig->invalid;
+
+    case GPGME_ATTR_KEY_EXPIRED:
+      return certsig->expired;
+
+    case GPGME_ATTR_SIG_CLASS:
+      return certsig->sig_class;
+
+    case GPGME_ATTR_SIG_STATUS:
+      return certsig->status;
+
+    default:
+      return 0;
+    }
+}