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Diffstat (limited to 'g10/revoke.c')
| -rw-r--r-- | g10/revoke.c | 911 |
1 files changed, 911 insertions, 0 deletions
diff --git a/g10/revoke.c b/g10/revoke.c new file mode 100644 index 0000000..035a2e9 --- /dev/null +++ b/g10/revoke.c @@ -0,0 +1,911 @@ +/* revoke.c - Create recovation certificates. + * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, + * 2004 Free Software Foundation, Inc. + * + * This file is part of GnuPG. + * + * GnuPG 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 3 of the License, or + * (at your option) any later version. + * + * GnuPG 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, see <https://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> + +#include "gpg.h" +#include "options.h" +#include "packet.h" +#include "../common/status.h" +#include "keydb.h" +#include "../common/util.h" +#include "main.h" +#include "../common/ttyio.h" +#include "../common/i18n.h" +#include "call-agent.h" + +struct revocation_reason_info { + int code; + char *desc; +}; + + +int +revocation_reason_build_cb( PKT_signature *sig, void *opaque ) +{ + struct revocation_reason_info *reason = opaque; + char *ud = NULL; + byte *buffer; + size_t buflen = 1; + + if(!reason) + return 0; + + if( reason->desc ) { + ud = native_to_utf8( reason->desc ); + buflen += strlen(ud); + } + buffer = xmalloc( buflen ); + *buffer = reason->code; + if( ud ) { + memcpy(buffer+1, ud, strlen(ud) ); + xfree( ud ); + } + + build_sig_subpkt( sig, SIGSUBPKT_REVOC_REASON, buffer, buflen ); + xfree( buffer ); + return 0; +} + +/* Outputs a minimal pk (as defined by 2440) from a keyblock. A + minimal pk consists of the public key packet and a user ID. We try + and pick a user ID that has a uid signature, and include it if + possible. */ +static int +export_minimal_pk(IOBUF out,KBNODE keyblock, + PKT_signature *revsig,PKT_signature *revkey) +{ + KBNODE node; + PACKET pkt; + PKT_user_id *uid=NULL; + PKT_signature *selfsig=NULL; + u32 keyid[2]; + int rc; + + node=find_kbnode(keyblock,PKT_PUBLIC_KEY); + if(!node) + { + log_error("key incomplete\n"); + return GPG_ERR_GENERAL; + } + + keyid_from_pk(node->pkt->pkt.public_key,keyid); + + pkt=*node->pkt; + rc=build_packet(out,&pkt); + if(rc) + { + log_error(_("build_packet failed: %s\n"), gpg_strerror (rc) ); + return rc; + } + + init_packet(&pkt); + pkt.pkttype=PKT_SIGNATURE; + + /* the revocation itself, if any. 2440 likes this to come first. */ + if(revsig) + { + pkt.pkt.signature=revsig; + rc=build_packet(out,&pkt); + if(rc) + { + log_error("build_packet failed: %s\n", gpg_strerror (rc) ); + return rc; + } + } + + /* If a revkey in a 1F sig is present, include it too */ + if(revkey) + { + pkt.pkt.signature=revkey; + rc=build_packet(out,&pkt); + if(rc) + { + log_error(_("build_packet failed: %s\n"), gpg_strerror (rc) ); + return rc; + } + } + + while(!selfsig) + { + KBNODE signode; + + node=find_next_kbnode(node,PKT_USER_ID); + if(!node) + { + /* We're out of user IDs - none were self-signed. */ + if(uid) + break; + else + { + log_error(_("key %s has no user IDs\n"),keystr(keyid)); + return GPG_ERR_GENERAL; + } + } + + if(node->pkt->pkt.user_id->attrib_data) + continue; + + uid=node->pkt->pkt.user_id; + signode=node; + + while((signode=find_next_kbnode(signode,PKT_SIGNATURE))) + { + if(keyid[0]==signode->pkt->pkt.signature->keyid[0] && + keyid[1]==signode->pkt->pkt.signature->keyid[1] && + IS_UID_SIG(signode->pkt->pkt.signature)) + { + selfsig=signode->pkt->pkt.signature; + break; + } + } + } + + pkt.pkttype=PKT_USER_ID; + pkt.pkt.user_id=uid; + + rc=build_packet(out,&pkt); + if(rc) + { + log_error(_("build_packet failed: %s\n"), gpg_strerror (rc) ); + return rc; + } + + if(selfsig) + { + pkt.pkttype=PKT_SIGNATURE; + pkt.pkt.signature=selfsig; + + rc=build_packet(out,&pkt); + if(rc) + { + log_error(_("build_packet failed: %s\n"), gpg_strerror (rc) ); + return rc; + } + } + + return 0; +} + +/**************** + * Generate a revocation certificate for UNAME via a designated revoker + */ +int +gen_desig_revoke (ctrl_t ctrl, const char *uname, strlist_t locusr) +{ + int rc = 0; + armor_filter_context_t *afx; + PKT_public_key *pk = NULL; + PKT_public_key *pk2 = NULL; + PKT_signature *sig = NULL; + IOBUF out = NULL; + struct revocation_reason_info *reason = NULL; + KEYDB_HANDLE kdbhd; + KEYDB_SEARCH_DESC desc; + KBNODE keyblock=NULL,node; + u32 keyid[2]; + int i,any=0; + SK_LIST sk_list=NULL; + + if( opt.batch ) + { + log_error(_("can't do this in batch mode\n")); + return GPG_ERR_GENERAL; + } + + afx = new_armor_context (); + + kdbhd = keydb_new (); + if (!kdbhd) + { + rc = gpg_error_from_syserror (); + goto leave; + } + rc = classify_user_id (uname, &desc, 1); + if (!rc) + rc = keydb_search (kdbhd, &desc, 1, NULL); + if (rc) { + log_error (_("key \"%s\" not found: %s\n"),uname, gpg_strerror (rc)); + goto leave; + } + + rc = keydb_get_keyblock (kdbhd, &keyblock ); + if( rc ) { + log_error (_("error reading keyblock: %s\n"), gpg_strerror (rc) ); + goto leave; + } + + /* To parse the revkeys */ + merge_keys_and_selfsig (ctrl, keyblock); + + /* get the key from the keyblock */ + node = find_kbnode( keyblock, PKT_PUBLIC_KEY ); + if( !node ) + BUG (); + + pk=node->pkt->pkt.public_key; + + keyid_from_pk(pk,keyid); + + if(locusr) + { + rc = build_sk_list (ctrl, locusr, &sk_list, PUBKEY_USAGE_CERT); + if(rc) + goto leave; + } + + /* Are we a designated revoker for this key? */ + + if(!pk->revkey && pk->numrevkeys) + BUG(); + + for(i=0;i<pk->numrevkeys;i++) + { + SK_LIST list; + + free_public_key (pk2); + pk2 = NULL; + + if(sk_list) + { + for(list=sk_list;list;list=list->next) + { + byte fpr[MAX_FINGERPRINT_LEN]; + size_t fprlen; + + fingerprint_from_pk (list->pk, fpr, &fprlen); + + /* Don't get involved with keys that don't have 160 + bit fingerprints */ + if(fprlen!=20) + continue; + + if(memcmp(fpr,pk->revkey[i].fpr,20)==0) + break; + } + + if (list) + pk2 = copy_public_key (NULL, list->pk); + else + continue; + } + else + { + pk2 = xmalloc_clear (sizeof *pk2); + rc = get_pubkey_byfprint (ctrl, pk2, NULL, + pk->revkey[i].fpr, MAX_FINGERPRINT_LEN); + } + + /* We have the revocation key. */ + if(!rc) + { + PKT_signature *revkey = NULL; + + any = 1; + + print_pubkey_info (ctrl, NULL, pk); + tty_printf ("\n"); + + tty_printf (_("To be revoked by:\n")); + print_seckey_info (ctrl, pk2); + + if(pk->revkey[i].class&0x40) + tty_printf(_("(This is a sensitive revocation key)\n")); + tty_printf("\n"); + + rc = agent_probe_secret_key (ctrl, pk2); + if (rc) + { + tty_printf (_("Secret key is not available.\n")); + continue; + } + + if( !cpr_get_answer_is_yes("gen_desig_revoke.okay", + _("Create a designated revocation certificate for this key? (y/N) "))) + continue; + + /* get the reason for the revocation (this is always v4) */ + reason = ask_revocation_reason( 1, 0, 1 ); + if( !reason ) + continue; + + if( !opt.armor ) + tty_printf(_("ASCII armored output forced.\n")); + + if( (rc = open_outfile (-1, NULL, 0, 1, &out )) ) + goto leave; + + afx->what = 1; + afx->hdrlines = "Comment: A designated revocation certificate" + " should follow\n"; + push_armor_filter (afx, out); + + /* create it */ + rc = make_keysig_packet (ctrl, &sig, pk, NULL, NULL, pk2, 0x20, 0, + 0, 0, + revocation_reason_build_cb, reason, + NULL); + if( rc ) { + log_error(_("make_keysig_packet failed: %s\n"), gpg_strerror (rc)); + goto leave; + } + + /* Spit out a minimal pk as well, since otherwise there is + no way to know which key to attach this revocation to. + Also include the direct key signature that contains + this revocation key. We're allowed to include + sensitive revocation keys along with a revocation, as + this may be the only time the recipient has seen it. + Note that this means that if we have multiple different + sensitive revocation keys in a given direct key + signature, we're going to include them all here. This + is annoying, but the good outweighs the bad, since + without including this a sensitive revoker can't really + do their job. People should not include multiple + sensitive revocation keys in one signature: 2440 says + "Note that it may be appropriate to isolate this + subpacket within a separate signature so that it is not + combined with other subpackets that need to be + exported." -dms */ + + while(!revkey) + { + KBNODE signode; + + signode=find_next_kbnode(node,PKT_SIGNATURE); + if(!signode) + break; + + node=signode; + + if(keyid[0]==signode->pkt->pkt.signature->keyid[0] && + keyid[1]==signode->pkt->pkt.signature->keyid[1] && + IS_KEY_SIG(signode->pkt->pkt.signature)) + { + int j; + + for(j=0;j<signode->pkt->pkt.signature->numrevkeys;j++) + { + if(pk->revkey[i].class== + signode->pkt->pkt.signature->revkey[j].class && + pk->revkey[i].algid== + signode->pkt->pkt.signature->revkey[j].algid && + memcmp(pk->revkey[i].fpr, + signode->pkt->pkt.signature->revkey[j].fpr, + MAX_FINGERPRINT_LEN)==0) + { + revkey=signode->pkt->pkt.signature; + break; + } + } + } + } + + if(!revkey) + BUG(); + + rc=export_minimal_pk(out,keyblock,sig,revkey); + if(rc) + goto leave; + + /* and issue a usage notice */ + tty_printf(_("Revocation certificate created.\n")); + break; + } + } + + if(!any) + log_error(_("no revocation keys found for \"%s\"\n"),uname); + + leave: + free_public_key (pk); + free_public_key (pk2); + if( sig ) + free_seckey_enc( sig ); + + release_sk_list(sk_list); + + if( rc ) + iobuf_cancel(out); + else + iobuf_close(out); + release_revocation_reason_info( reason ); + release_armor_context (afx); + return rc; +} + + +/* Common core to create the revocation. FILENAME may be NULL to write + to stdout or the filename given by --output. REASON describes the + revocation reason. PSK is the public primary key - we expect that + a corresponding secret key is available. KEYBLOCK is the entire + KEYBLOCK which is used in PGP mode to write a minimal key and not + just the naked revocation signature; it may be NULL. If LEADINTEXT + is not NULL, it is written right before the (armored) output.*/ +static int +create_revocation (ctrl_t ctrl, + const char *filename, + struct revocation_reason_info *reason, + PKT_public_key *psk, + kbnode_t keyblock, + const char *leadintext, int suffix, + const char *cache_nonce) +{ + int rc; + iobuf_t out = NULL; + armor_filter_context_t *afx; + PKT_signature *sig = NULL; + PACKET pkt; + + afx = new_armor_context (); + + if ((rc = open_outfile (-1, filename, suffix, 1, &out))) + goto leave; + + if (leadintext ) + iobuf_writestr (out, leadintext); + + afx->what = 1; + afx->hdrlines = "Comment: This is a revocation certificate\n"; + push_armor_filter (afx, out); + + rc = make_keysig_packet (ctrl, &sig, psk, NULL, NULL, psk, 0x20, 0, + 0, 0, + revocation_reason_build_cb, reason, cache_nonce); + if (rc) + { + log_error (_("make_keysig_packet failed: %s\n"), gpg_strerror (rc)); + goto leave; + } + + if (keyblock && (PGP6 || PGP7 || PGP8)) + { + /* Use a minimal pk for PGPx mode, since PGP can't import bare + revocation certificates. */ + rc = export_minimal_pk (out, keyblock, sig, NULL); + if (rc) + goto leave; + } + else + { + init_packet (&pkt); + pkt.pkttype = PKT_SIGNATURE; + pkt.pkt.signature = sig; + + rc = build_packet (out, &pkt); + if (rc) + { + log_error (_("build_packet failed: %s\n"), gpg_strerror (rc)); + goto leave; + } + } + + leave: + if (sig) + free_seckey_enc (sig); + if (rc) + iobuf_cancel (out); + else + iobuf_close (out); + release_armor_context (afx); + return rc; +} + + +/* This function is used to generate a standard revocation certificate + by gpg's interactive key generation function. The certificate is + stored at a dedicated place in a slightly modified form to avoid an + accidental import. PSK is the primary key; a corresponding secret + key must be available. CACHE_NONCE is optional but can be used to + help gpg-agent to avoid an extra passphrase prompt. */ +int +gen_standard_revoke (ctrl_t ctrl, PKT_public_key *psk, const char *cache_nonce) +{ + int rc; + estream_t memfp; + struct revocation_reason_info reason; + char *dir, *tmpstr, *fname; + void *leadin; + size_t len; + u32 keyid[2]; + int kl; + char *orig_codeset; + char *old_outfile; + + dir = get_openpgp_revocdir (gnupg_homedir ()); + tmpstr = hexfingerprint (psk, NULL, 0); + if (!tmpstr) + { + rc = gpg_error_from_syserror (); + xfree (dir); + return rc; + } + fname = strconcat (dir, DIRSEP_S, tmpstr, NULL); + if (!fname) + { + rc = gpg_error_from_syserror (); + xfree (tmpstr); + xfree (dir); + return rc; + } + xfree (tmpstr); + xfree (dir); + + keyid_from_pk (psk, keyid); + + memfp = es_fopenmem (0, "r+"); + if (!memfp) + log_fatal ("error creating memory stream\n"); + + orig_codeset = i18n_switchto_utf8 (); + + es_fprintf (memfp, "%s\n\n", + _("This is a revocation certificate for the OpenPGP key:")); + + print_key_line (ctrl, memfp, psk, 0); + + if (opt.keyid_format != KF_NONE) + print_fingerprint (ctrl, memfp, psk, 3); + + kl = opt.keyid_format == KF_NONE? 0 : keystrlen (); + + tmpstr = get_user_id (ctrl, keyid, &len, NULL); + es_fprintf (memfp, "uid%*s%.*s\n\n", + kl + 10, "", + (int)len, tmpstr); + xfree (tmpstr); + + es_fprintf (memfp, "%s\n\n%s\n\n%s\n\n:", + _("A revocation certificate is a kind of \"kill switch\" to publicly\n" + "declare that a key shall not anymore be used. It is not possible\n" + "to retract such a revocation certificate once it has been published."), + _("Use it to revoke this key in case of a compromise or loss of\n" + "the secret key. However, if the secret key is still accessible,\n" + "it is better to generate a new revocation certificate and give\n" + "a reason for the revocation. For details see the description of\n" + "of the gpg command \"--generate-revocation\" in the " + "GnuPG manual."), + _("To avoid an accidental use of this file, a colon has been inserted\n" + "before the 5 dashes below. Remove this colon with a text editor\n" + "before importing and publishing this revocation certificate.")); + + es_putc (0, memfp); + + i18n_switchback (orig_codeset); + + if (es_fclose_snatch (memfp, &leadin, NULL)) + log_fatal ("error snatching memory stream\n"); + + reason.code = 0x00; /* No particular reason. */ + reason.desc = NULL; + old_outfile = opt.outfile; + opt.outfile = NULL; + rc = create_revocation (ctrl, + fname, &reason, psk, NULL, leadin, 3, cache_nonce); + opt.outfile = old_outfile; + if (!rc && !opt.quiet) + log_info (_("revocation certificate stored as '%s.rev'\n"), fname); + + xfree (leadin); + xfree (fname); + + return rc; +} + + + +/**************** + * Generate a revocation certificate for UNAME + */ +int +gen_revoke (ctrl_t ctrl, const char *uname) +{ + int rc = 0; + PKT_public_key *psk; + u32 keyid[2]; + kbnode_t keyblock = NULL; + kbnode_t node; + KEYDB_HANDLE kdbhd; + struct revocation_reason_info *reason = NULL; + KEYDB_SEARCH_DESC desc; + + if( opt.batch ) + { + log_error(_("can't do this in batch mode\n")); + return GPG_ERR_GENERAL; + } + + /* Search the userid; we don't want the whole getkey stuff here. */ + kdbhd = keydb_new (); + if (!kdbhd) + { + rc = gpg_error_from_syserror (); + goto leave; + } + rc = classify_user_id (uname, &desc, 1); + if (!rc) + rc = keydb_search (kdbhd, &desc, 1, NULL); + if (rc) + { + if (gpg_err_code (rc) == GPG_ERR_NOT_FOUND) + log_error (_("secret key \"%s\" not found\n"), uname); + else + log_error (_("secret key \"%s\" not found: %s\n"), + uname, gpg_strerror (rc)); + goto leave; + } + + rc = keydb_get_keyblock (kdbhd, &keyblock ); + if (rc) + { + log_error (_("error reading keyblock: %s\n"), gpg_strerror (rc) ); + goto leave; + } + + rc = keydb_search (kdbhd, &desc, 1, NULL); + if (gpg_err_code (rc) == GPG_ERR_NOT_FOUND) + /* Not ambiguous. */ + { + } + else if (rc == 0) + /* Ambiguous. */ + { + char *info; + + /* TRANSLATORS: The %s prints a key specification which + for example has been given at the command line. Several lines + lines with secret key infos are printed after this message. */ + log_error (_("'%s' matches multiple secret keys:\n"), uname); + + info = format_seckey_info (ctrl, keyblock->pkt->pkt.public_key); + log_error (" %s\n", info); + xfree (info); + release_kbnode (keyblock); + + rc = keydb_get_keyblock (kdbhd, &keyblock); + while (! rc) + { + info = format_seckey_info (ctrl, keyblock->pkt->pkt.public_key); + log_info (" %s\n", info); + xfree (info); + release_kbnode (keyblock); + keyblock = NULL; + + rc = keydb_search (kdbhd, &desc, 1, NULL); + if (! rc) + rc = keydb_get_keyblock (kdbhd, &keyblock); + } + + rc = GPG_ERR_AMBIGUOUS_NAME; + + goto leave; + } + else + { + log_error (_("error searching the keyring: %s\n"), gpg_strerror (rc)); + goto leave; + } + + /* Get the keyid from the keyblock. */ + node = find_kbnode (keyblock, PKT_PUBLIC_KEY); + if (!node) + BUG (); + + psk = node->pkt->pkt.public_key; + rc = agent_probe_secret_key (NULL, psk); + if (rc) + { + log_error (_("secret key \"%s\" not found: %s\n"), + uname, gpg_strerror (rc)); + goto leave; + } + + keyid_from_pk (psk, keyid ); + print_seckey_info (ctrl, psk); + + tty_printf("\n"); + if (!cpr_get_answer_is_yes ("gen_revoke.okay", + _("Create a revocation certificate for this key? (y/N) "))) + { + rc = 0; + goto leave; + } + + /* Get the reason for the revocation. */ + reason = ask_revocation_reason (1, 0, 1); + if (!reason) + { + /* User decided to cancel. */ + rc = 0; + goto leave; + } + + if (!opt.armor) + tty_printf (_("ASCII armored output forced.\n")); + + rc = create_revocation (ctrl, NULL, reason, psk, keyblock, NULL, 0, NULL); + if (rc) + goto leave; + + /* and issue a usage notice */ + tty_printf (_( +"Revocation certificate created.\n\n" +"Please move it to a medium which you can hide away; if Mallory gets\n" +"access to this certificate he can use it to make your key unusable.\n" +"It is smart to print this certificate and store it away, just in case\n" +"your media become unreadable. But have some caution: The print system of\n" +"your machine might store the data and make it available to others!\n")); + + leave: + release_kbnode (keyblock); + keydb_release (kdbhd); + release_revocation_reason_info( reason ); + return rc; +} + + + +struct revocation_reason_info * +ask_revocation_reason( int key_rev, int cert_rev, int hint ) +{ + int code=-1; + char *description = NULL; + struct revocation_reason_info *reason; + const char *text_0 = _("No reason specified"); + const char *text_1 = _("Key has been compromised"); + const char *text_2 = _("Key is superseded"); + const char *text_3 = _("Key is no longer used"); + const char *text_4 = _("User ID is no longer valid"); + const char *code_text = NULL; + + do { + code=-1; + xfree(description); + description = NULL; + + tty_printf(_("Please select the reason for the revocation:\n")); + tty_printf( " 0 = %s\n", text_0 ); + if( key_rev ) + tty_printf(" 1 = %s\n", text_1 ); + if( key_rev ) + tty_printf(" 2 = %s\n", text_2 ); + if( key_rev ) + tty_printf(" 3 = %s\n", text_3 ); + if( cert_rev ) + tty_printf(" 4 = %s\n", text_4 ); + tty_printf( " Q = %s\n", _("Cancel") ); + if( hint ) + tty_printf(_("(Probably you want to select %d here)\n"), hint ); + + while(code==-1) { + int n; + char *answer = cpr_get("ask_revocation_reason.code", + _("Your decision? ")); + trim_spaces( answer ); + cpr_kill_prompt(); + if( *answer == 'q' || *answer == 'Q') + return NULL; /* cancel */ + if( hint && !*answer ) + n = hint; + else if(!digitp( answer ) ) + n = -1; + else + n = atoi(answer); + xfree(answer); + if( n == 0 ) { + code = 0x00; /* no particular reason */ + code_text = text_0; + } + else if( key_rev && n == 1 ) { + code = 0x02; /* key has been compromised */ + code_text = text_1; + } + else if( key_rev && n == 2 ) { + code = 0x01; /* key is superseded */ + code_text = text_2; + } + else if( key_rev && n == 3 ) { + code = 0x03; /* key is no longer used */ + code_text = text_3; + } + else if( cert_rev && n == 4 ) { + code = 0x20; /* uid is no longer valid */ + code_text = text_4; + } + else + tty_printf(_("Invalid selection.\n")); + } + + tty_printf(_("Enter an optional description; " + "end it with an empty line:\n") ); + for(;;) { + char *answer = cpr_get("ask_revocation_reason.text", "> " ); + trim_trailing_ws( answer, strlen(answer) ); + cpr_kill_prompt(); + if( !*answer ) { + xfree(answer); + break; + } + + { + char *p = make_printable_string( answer, strlen(answer), 0 ); + xfree(answer); + answer = p; + } + + if( !description ) + description = xstrdup(answer); + else { + char *p = xmalloc( strlen(description) + strlen(answer) + 2 ); + strcpy(stpcpy(stpcpy( p, description),"\n"),answer); + xfree(description); + description = p; + } + xfree(answer); + } + + tty_printf(_("Reason for revocation: %s\n"), code_text ); + if( !description ) + tty_printf(_("(No description given)\n") ); + else + tty_printf("%s\n", description ); + + } while( !cpr_get_answer_is_yes("ask_revocation_reason.okay", + _("Is this okay? (y/N) ")) ); + + reason = xmalloc( sizeof *reason ); + reason->code = code; + reason->desc = description; + return reason; +} + +struct revocation_reason_info * +get_default_uid_revocation_reason(void) +{ + struct revocation_reason_info *reason; + reason = xmalloc( sizeof *reason ); + reason->code = 0x20; /* uid is no longer valid */ + reason->desc = strdup(""); /* no text */ + return reason; +} + +struct revocation_reason_info * +get_default_sig_revocation_reason(void) +{ + struct revocation_reason_info *reason; + reason = xmalloc( sizeof *reason ); + reason->code = 0; /* No specific reason given. */ + reason->desc = strdup(""); /* no text */ + return reason; +} + +void +release_revocation_reason_info( struct revocation_reason_info *reason ) +{ + if( reason ) { + xfree( reason->desc ); + xfree( reason ); + } +} |