mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
wks: Move a few server functions to wks-util.
* tools/gpg-wks-server.c (write_to_file): Move to ... * tools/wks-util.c: here. * tools/gpg-wks-server.c (compute_hu_fname): Move to ... * tools/wks-util.c (wks_compute_hu_fname): here. * tools/gpg-wks-server.c (fname_from_userid): Move to ... * tools/wks-util.c (wks_fname_from_userid): here. * tools/gpg-wks-server.c (command_install_key): Move to ... * tools/wks-util.c (wks_cmd_install_key): here and change caller. * tools/gpg-wks-server.c (command_remove_key): Move to ... * tools/wks-util.c (wks_cmd_remove_key): here and change callers. Signed-off-by: Werner Koch <wk@gnupg.org> (cherry picked from commit 99094c992c20dd22971beb3527cfda109cd1df89)
This commit is contained in:
Werner Koch
parent
6008410e51
commit
51b722c6f5
@ -157,8 +157,6 @@ static gpg_error_t command_receive_cb (void *opaque,
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const char *mediatype, estream_t fp,
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unsigned int flags);
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static gpg_error_t command_list_domains (void);
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static gpg_error_t command_install_key (const char *fname, const char *userid);
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static gpg_error_t command_remove_key (const char *mailaddr);
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static gpg_error_t command_revoke_key (const char *mailaddr);
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static gpg_error_t command_check_key (const char *mailaddr);
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static gpg_error_t command_cron (void);
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@ -385,13 +383,13 @@ main (int argc, char **argv)
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case aInstallKey:
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if (argc != 2)
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wrong_args ("--install-key FILE USER-ID");
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err = command_install_key (*argv, argv[1]);
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err = wks_cmd_install_key (*argv, argv[1]);
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break;
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case aRemoveKey:
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if (argc != 1)
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wrong_args ("--remove-key USER-ID");
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err = command_remove_key (*argv);
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err = wks_cmd_remove_key (*argv);
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break;
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case aRevokeKey:
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@ -1346,81 +1344,6 @@ send_congratulation_message (const char *mbox, const char *keyfile)
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}
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/* Write the content of SRC to the new file FNAME. */
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static gpg_error_t
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write_to_file (estream_t src, const char *fname)
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{
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gpg_error_t err;
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estream_t dst;
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char buffer[4096];
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size_t nread, written;
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dst = es_fopen (fname, "wb");
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if (!dst)
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return gpg_error_from_syserror ();
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do
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{
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nread = es_fread (buffer, 1, sizeof buffer, src);
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if (!nread)
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break;
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written = es_fwrite (buffer, 1, nread, dst);
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if (written != nread)
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break;
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}
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while (!es_feof (src) && !es_ferror (src) && !es_ferror (dst));
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if (!es_feof (src) || es_ferror (src) || es_ferror (dst))
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{
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err = gpg_error_from_syserror ();
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es_fclose (dst);
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gnupg_remove (fname);
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return err;
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}
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if (es_fclose (dst))
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{
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err = gpg_error_from_syserror ();
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log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
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return err;
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}
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return 0;
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}
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/* Compute the the full file name for the key with ADDRSPEC and return
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* it at R_FNAME. */
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static gpg_error_t
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compute_hu_fname (char **r_fname, const char *addrspec)
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{
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gpg_error_t err;
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char *hash;
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const char *domain;
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char sha1buf[20];
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*r_fname = NULL;
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domain = strchr (addrspec, '@');
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if (!domain || !domain[1] || domain == addrspec)
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return gpg_error (GPG_ERR_INV_ARG);
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domain++;
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gcry_md_hash_buffer (GCRY_MD_SHA1, sha1buf, addrspec, domain - addrspec - 1);
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hash = zb32_encode (sha1buf, 8*20);
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if (!hash)
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return gpg_error_from_syserror ();
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*r_fname = make_filename_try (opt.directory, domain, "hu", hash, NULL);
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if (!*r_fname)
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err = gpg_error_from_syserror ();
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else
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err = 0;
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xfree (hash);
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return err;
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}
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/* Check that we have send a request with NONCE and publish the key. */
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static gpg_error_t
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check_and_publish (server_ctx_t ctx, const char *address, const char *nonce)
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@ -1495,7 +1418,7 @@ check_and_publish (server_ctx_t ctx, const char *address, const char *nonce)
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}
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/* Hash user ID and create filename. */
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err = compute_hu_fname (&fnewname, address);
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err = wks_compute_hu_fname (&fnewname, address);
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if (err)
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goto leave;
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@ -2004,195 +1927,6 @@ command_cron (void)
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}
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/* Install a single key into the WKD by reading FNAME and extracting
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* USERID. */
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static gpg_error_t
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command_install_key (const char *fname, const char *userid)
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{
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gpg_error_t err;
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KEYDB_SEARCH_DESC desc;
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estream_t fp = NULL;
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char *addrspec = NULL;
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char *fpr = NULL;
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uidinfo_list_t uidlist = NULL;
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uidinfo_list_t uid, thisuid;
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time_t thistime;
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char *huname = NULL;
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int any;
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addrspec = mailbox_from_userid (userid);
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if (!addrspec)
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{
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log_error ("\"%s\" is not a proper mail address\n", userid);
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err = gpg_error (GPG_ERR_INV_USER_ID);
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goto leave;
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}
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if (!classify_user_id (fname, &desc, 1)
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&& (desc.mode == KEYDB_SEARCH_MODE_FPR
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|| desc.mode == KEYDB_SEARCH_MODE_FPR20))
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{
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/* FNAME looks like a fingerprint. Get the key from the
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* standard keyring. */
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err = wks_get_key (&fp, fname, addrspec, 0);
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if (err)
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{
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log_error ("error getting key '%s' (uid='%s'): %s\n",
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fname, addrspec, gpg_strerror (err));
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goto leave;
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}
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}
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else /* Take it from the file */
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{
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fp = es_fopen (fname, "rb");
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if (!fp)
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{
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err = gpg_error_from_syserror ();
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log_error ("error reading '%s': %s\n", fname, gpg_strerror (err));
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goto leave;
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}
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}
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/* List the key so that we can figure out the newest UID with the
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* requested addrspec. */
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err = wks_list_key (fp, &fpr, &uidlist);
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if (err)
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{
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log_error ("error parsing key: %s\n", gpg_strerror (err));
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err = gpg_error (GPG_ERR_NO_PUBKEY);
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goto leave;
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}
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thistime = 0;
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thisuid = NULL;
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any = 0;
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for (uid = uidlist; uid; uid = uid->next)
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{
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if (!uid->mbox)
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continue; /* Should not happen anyway. */
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if (ascii_strcasecmp (uid->mbox, addrspec))
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continue; /* Not the requested addrspec. */
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any = 1;
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if (uid->created > thistime)
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{
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thistime = uid->created;
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thisuid = uid;
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}
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}
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if (!thisuid)
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thisuid = uidlist; /* This is the case for a missing timestamp. */
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if (!any)
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{
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log_error ("public key in '%s' has no mail address '%s'\n",
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fname, addrspec);
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err = gpg_error (GPG_ERR_INV_USER_ID);
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goto leave;
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}
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if (opt.verbose)
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log_info ("using key with user id '%s'\n", thisuid->uid);
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{
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estream_t fp2;
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es_rewind (fp);
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err = wks_filter_uid (&fp2, fp, thisuid->uid, 1);
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if (err)
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{
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log_error ("error filtering key: %s\n", gpg_strerror (err));
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err = gpg_error (GPG_ERR_NO_PUBKEY);
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goto leave;
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}
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es_fclose (fp);
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fp = fp2;
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}
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/* Hash user ID and create filename. */
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err = compute_hu_fname (&huname, addrspec);
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if (err)
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goto leave;
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/* Publish. */
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err = write_to_file (fp, huname);
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if (err)
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{
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log_error ("copying key to '%s' failed: %s\n", huname,gpg_strerror (err));
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goto leave;
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}
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/* Make sure it is world readable. */
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if (gnupg_chmod (huname, "-rwxr--r--"))
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log_error ("can't set permissions of '%s': %s\n",
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huname, gpg_strerror (gpg_err_code_from_syserror()));
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if (!opt.quiet)
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log_info ("key %s published for '%s'\n", fpr, addrspec);
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leave:
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xfree (huname);
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free_uidinfo_list (uidlist);
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xfree (fpr);
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xfree (addrspec);
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es_fclose (fp);
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return err;
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}
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/* Return the filename and optionally the addrspec for USERID at
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* R_FNAME and R_ADDRSPEC. R_ADDRSPEC might also be set on error. */
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static gpg_error_t
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fname_from_userid (const char *userid, char **r_fname, char **r_addrspec)
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{
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gpg_error_t err;
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char *addrspec = NULL;
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const char *domain;
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char *hash = NULL;
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const char *s;
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char shaxbuf[32]; /* Used for SHA-1 and SHA-256 */
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*r_fname = NULL;
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if (r_addrspec)
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*r_addrspec = NULL;
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addrspec = mailbox_from_userid (userid);
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if (!addrspec)
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{
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if (opt.verbose)
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log_info ("\"%s\" is not a proper mail address\n", userid);
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err = gpg_error (GPG_ERR_INV_USER_ID);
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goto leave;
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}
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domain = strchr (addrspec, '@');
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log_assert (domain);
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domain++;
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/* Hash user ID and create filename. */
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s = strchr (addrspec, '@');
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log_assert (s);
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gcry_md_hash_buffer (GCRY_MD_SHA1, shaxbuf, addrspec, s - addrspec);
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hash = zb32_encode (shaxbuf, 8*20);
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if (!hash)
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{
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err = gpg_error_from_syserror ();
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goto leave;
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}
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*r_fname = make_filename_try (opt.directory, domain, "hu", hash, NULL);
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if (!*r_fname)
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err = gpg_error_from_syserror ();
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else
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err = 0;
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leave:
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if (r_addrspec && addrspec)
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*r_addrspec = addrspec;
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else
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xfree (addrspec);
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xfree (hash);
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return err;
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}
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/* Check whether the key with USER_ID is installed. */
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static gpg_error_t
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command_check_key (const char *userid)
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@ -2201,7 +1935,7 @@ command_check_key (const char *userid)
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char *addrspec = NULL;
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char *fname = NULL;
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err = fname_from_userid (userid, &fname, &addrspec);
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err = wks_fname_from_userid (userid, &fname, &addrspec);
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if (err)
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goto leave;
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@ -2236,49 +1970,11 @@ command_check_key (const char *userid)
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}
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/* Remove the key with mail address in USERID. */
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static gpg_error_t
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command_remove_key (const char *userid)
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{
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gpg_error_t err;
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char *addrspec = NULL;
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char *fname = NULL;
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err = fname_from_userid (userid, &fname, &addrspec);
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if (err)
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goto leave;
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if (gnupg_remove (fname))
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{
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err = gpg_error_from_syserror ();
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if (gpg_err_code (err) == GPG_ERR_ENOENT)
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{
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if (!opt.quiet)
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log_info ("key for '%s' is not installed\n", addrspec);
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log_inc_errorcount ();
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err = 0;
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}
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else
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log_error ("error removing '%s': %s\n", fname, gpg_strerror (err));
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goto leave;
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}
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if (opt.verbose)
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log_info ("key for '%s' removed\n", addrspec);
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err = 0;
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leave:
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xfree (fname);
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xfree (addrspec);
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return err;
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}
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/* Revoke the key with mail address MAILADDR. */
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static gpg_error_t
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command_revoke_key (const char *mailaddr)
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{
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/* Remove should be different from removing but we have not yet
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* defined a suitable way to do this. */
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return command_remove_key (mailaddr);
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return wks_cmd_remove_key (mailaddr);
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}
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@ -98,6 +98,13 @@ gpg_error_t wks_parse_policy (policy_flags_t flags, estream_t stream,
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int ignore_unknown);
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void wks_free_policy (policy_flags_t policy);
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gpg_error_t wks_fname_from_userid (const char *userid,
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char **r_fname, char **r_addrspec);
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gpg_error_t wks_compute_hu_fname (char **r_fname, const char *addrspec);
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gpg_error_t wks_cmd_install_key (const char *fname, const char *userid);
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gpg_error_t wks_cmd_remove_key (const char *userid);
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/*-- wks-receive.c --*/
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|
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/* Flag values for the receive callback. */
|
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|
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305
tools/wks-util.c
305
tools/wks-util.c
@ -24,7 +24,10 @@
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#include "../common/status.h"
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#include "../common/ccparray.h"
|
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#include "../common/exectool.h"
|
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#include "../common/zb32.h"
|
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#include "../common/userids.h"
|
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#include "../common/mbox-util.h"
|
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#include "../common/sysutils.h"
|
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#include "mime-maker.h"
|
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#include "send-mail.h"
|
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#include "gpg-wks.h"
|
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@ -699,3 +702,305 @@ wks_free_policy (policy_flags_t policy)
|
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memset (policy, 0, sizeof *policy);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Write the content of SRC to the new file FNAME. */
|
||||
static gpg_error_t
|
||||
write_to_file (estream_t src, const char *fname)
|
||||
{
|
||||
gpg_error_t err;
|
||||
estream_t dst;
|
||||
char buffer[4096];
|
||||
size_t nread, written;
|
||||
|
||||
dst = es_fopen (fname, "wb");
|
||||
if (!dst)
|
||||
return gpg_error_from_syserror ();
|
||||
|
||||
do
|
||||
{
|
||||
nread = es_fread (buffer, 1, sizeof buffer, src);
|
||||
if (!nread)
|
||||
break;
|
||||
written = es_fwrite (buffer, 1, nread, dst);
|
||||
if (written != nread)
|
||||
break;
|
||||
}
|
||||
while (!es_feof (src) && !es_ferror (src) && !es_ferror (dst));
|
||||
if (!es_feof (src) || es_ferror (src) || es_ferror (dst))
|
||||
{
|
||||
err = gpg_error_from_syserror ();
|
||||
es_fclose (dst);
|
||||
gnupg_remove (fname);
|
||||
return err;
|
||||
}
|
||||
|
||||
if (es_fclose (dst))
|
||||
{
|
||||
err = gpg_error_from_syserror ();
|
||||
log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* Return the filename and optionally the addrspec for USERID at
|
||||
* R_FNAME and R_ADDRSPEC. R_ADDRSPEC might also be set on error. */
|
||||
gpg_error_t
|
||||
wks_fname_from_userid (const char *userid, char **r_fname, char **r_addrspec)
|
||||
{
|
||||
gpg_error_t err;
|
||||
char *addrspec = NULL;
|
||||
const char *domain;
|
||||
char *hash = NULL;
|
||||
const char *s;
|
||||
char shaxbuf[32]; /* Used for SHA-1 and SHA-256 */
|
||||
|
||||
*r_fname = NULL;
|
||||
if (r_addrspec)
|
||||
*r_addrspec = NULL;
|
||||
|
||||
addrspec = mailbox_from_userid (userid);
|
||||
if (!addrspec)
|
||||
{
|
||||
if (opt.verbose)
|
||||
log_info ("\"%s\" is not a proper mail address\n", userid);
|
||||
err = gpg_error (GPG_ERR_INV_USER_ID);
|
||||
goto leave;
|
||||
}
|
||||
|
||||
domain = strchr (addrspec, '@');
|
||||
log_assert (domain);
|
||||
domain++;
|
||||
|
||||
/* Hash user ID and create filename. */
|
||||
s = strchr (addrspec, '@');
|
||||
log_assert (s);
|
||||
gcry_md_hash_buffer (GCRY_MD_SHA1, shaxbuf, addrspec, s - addrspec);
|
||||
hash = zb32_encode (shaxbuf, 8*20);
|
||||
if (!hash)
|
||||
{
|
||||
err = gpg_error_from_syserror ();
|
||||
goto leave;
|
||||
}
|
||||
|
||||
*r_fname = make_filename_try (opt.directory, domain, "hu", hash, NULL);
|
||||
if (!*r_fname)
|
||||
err = gpg_error_from_syserror ();
|
||||
else
|
||||
err = 0;
|
||||
|
||||
leave:
|
||||
if (r_addrspec && addrspec)
|
||||
*r_addrspec = addrspec;
|
||||
else
|
||||
xfree (addrspec);
|
||||
xfree (hash);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* Compute the the full file name for the key with ADDRSPEC and return
|
||||
* it at R_FNAME. */
|
||||
gpg_error_t
|
||||
wks_compute_hu_fname (char **r_fname, const char *addrspec)
|
||||
{
|
||||
gpg_error_t err;
|
||||
char *hash;
|
||||
const char *domain;
|
||||
char sha1buf[20];
|
||||
|
||||
*r_fname = NULL;
|
||||
|
||||
domain = strchr (addrspec, '@');
|
||||
if (!domain || !domain[1] || domain == addrspec)
|
||||
return gpg_error (GPG_ERR_INV_ARG);
|
||||
domain++;
|
||||
|
||||
gcry_md_hash_buffer (GCRY_MD_SHA1, sha1buf, addrspec, domain - addrspec - 1);
|
||||
hash = zb32_encode (sha1buf, 8*20);
|
||||
if (!hash)
|
||||
return gpg_error_from_syserror ();
|
||||
|
||||
*r_fname = make_filename_try (opt.directory, domain, "hu", hash, NULL);
|
||||
if (!*r_fname)
|
||||
err = gpg_error_from_syserror ();
|
||||
else
|
||||
err = 0;
|
||||
|
||||
xfree (hash);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* Install a single key into the WKD by reading FNAME and extracting
|
||||
* USERID. */
|
||||
gpg_error_t
|
||||
wks_cmd_install_key (const char *fname, const char *userid)
|
||||
{
|
||||
gpg_error_t err;
|
||||
KEYDB_SEARCH_DESC desc;
|
||||
estream_t fp = NULL;
|
||||
char *addrspec = NULL;
|
||||
char *fpr = NULL;
|
||||
uidinfo_list_t uidlist = NULL;
|
||||
uidinfo_list_t uid, thisuid;
|
||||
time_t thistime;
|
||||
char *huname = NULL;
|
||||
int any;
|
||||
|
||||
addrspec = mailbox_from_userid (userid);
|
||||
if (!addrspec)
|
||||
{
|
||||
log_error ("\"%s\" is not a proper mail address\n", userid);
|
||||
err = gpg_error (GPG_ERR_INV_USER_ID);
|
||||
goto leave;
|
||||
}
|
||||
|
||||
if (!classify_user_id (fname, &desc, 1)
|
||||
&& (desc.mode == KEYDB_SEARCH_MODE_FPR
|
||||
|| desc.mode == KEYDB_SEARCH_MODE_FPR20))
|
||||
{
|
||||
/* FNAME looks like a fingerprint. Get the key from the
|
||||
* standard keyring. */
|
||||
err = wks_get_key (&fp, fname, addrspec, 0);
|
||||
if (err)
|
||||
{
|
||||
log_error ("error getting key '%s' (uid='%s'): %s\n",
|
||||
fname, addrspec, gpg_strerror (err));
|
||||
goto leave;
|
||||
}
|
||||
}
|
||||
else /* Take it from the file */
|
||||
{
|
||||
fp = es_fopen (fname, "rb");
|
||||
if (!fp)
|
||||
{
|
||||
err = gpg_error_from_syserror ();
|
||||
log_error ("error reading '%s': %s\n", fname, gpg_strerror (err));
|
||||
goto leave;
|
||||
}
|
||||
}
|
||||
|
||||
/* List the key so that we can figure out the newest UID with the
|
||||
* requested addrspec. */
|
||||
err = wks_list_key (fp, &fpr, &uidlist);
|
||||
if (err)
|
||||
{
|
||||
log_error ("error parsing key: %s\n", gpg_strerror (err));
|
||||
err = gpg_error (GPG_ERR_NO_PUBKEY);
|
||||
goto leave;
|
||||
}
|
||||
thistime = 0;
|
||||
thisuid = NULL;
|
||||
any = 0;
|
||||
for (uid = uidlist; uid; uid = uid->next)
|
||||
{
|
||||
if (!uid->mbox)
|
||||
continue; /* Should not happen anyway. */
|
||||
if (ascii_strcasecmp (uid->mbox, addrspec))
|
||||
continue; /* Not the requested addrspec. */
|
||||
any = 1;
|
||||
if (uid->created > thistime)
|
||||
{
|
||||
thistime = uid->created;
|
||||
thisuid = uid;
|
||||
}
|
||||
}
|
||||
if (!thisuid)
|
||||
thisuid = uidlist; /* This is the case for a missing timestamp. */
|
||||
if (!any)
|
||||
{
|
||||
log_error ("public key in '%s' has no mail address '%s'\n",
|
||||
fname, addrspec);
|
||||
err = gpg_error (GPG_ERR_INV_USER_ID);
|
||||
goto leave;
|
||||
}
|
||||
|
||||
if (opt.verbose)
|
||||
log_info ("using key with user id '%s'\n", thisuid->uid);
|
||||
|
||||
{
|
||||
estream_t fp2;
|
||||
|
||||
es_rewind (fp);
|
||||
err = wks_filter_uid (&fp2, fp, thisuid->uid, 1);
|
||||
if (err)
|
||||
{
|
||||
log_error ("error filtering key: %s\n", gpg_strerror (err));
|
||||
err = gpg_error (GPG_ERR_NO_PUBKEY);
|
||||
goto leave;
|
||||
}
|
||||
es_fclose (fp);
|
||||
fp = fp2;
|
||||
}
|
||||
|
||||
/* Hash user ID and create filename. */
|
||||
err = wks_compute_hu_fname (&huname, addrspec);
|
||||
if (err)
|
||||
goto leave;
|
||||
|
||||
/* Publish. */
|
||||
err = write_to_file (fp, huname);
|
||||
if (err)
|
||||
{
|
||||
log_error ("copying key to '%s' failed: %s\n", huname,gpg_strerror (err));
|
||||
goto leave;
|
||||
}
|
||||
|
||||
/* Make sure it is world readable. */
|
||||
if (gnupg_chmod (huname, "-rwxr--r--"))
|
||||
log_error ("can't set permissions of '%s': %s\n",
|
||||
huname, gpg_strerror (gpg_err_code_from_syserror()));
|
||||
|
||||
if (!opt.quiet)
|
||||
log_info ("key %s published for '%s'\n", fpr, addrspec);
|
||||
|
||||
leave:
|
||||
xfree (huname);
|
||||
free_uidinfo_list (uidlist);
|
||||
xfree (fpr);
|
||||
xfree (addrspec);
|
||||
es_fclose (fp);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* Remove the key with mail address in USERID. */
|
||||
gpg_error_t
|
||||
wks_cmd_remove_key (const char *userid)
|
||||
{
|
||||
gpg_error_t err;
|
||||
char *addrspec = NULL;
|
||||
char *fname = NULL;
|
||||
|
||||
err = wks_fname_from_userid (userid, &fname, &addrspec);
|
||||
if (err)
|
||||
goto leave;
|
||||
|
||||
if (gnupg_remove (fname))
|
||||
{
|
||||
err = gpg_error_from_syserror ();
|
||||
if (gpg_err_code (err) == GPG_ERR_ENOENT)
|
||||
{
|
||||
if (!opt.quiet)
|
||||
log_info ("key for '%s' is not installed\n", addrspec);
|
||||
log_inc_errorcount ();
|
||||
err = 0;
|
||||
}
|
||||
else
|
||||
log_error ("error removing '%s': %s\n", fname, gpg_strerror (err));
|
||||
goto leave;
|
||||
}
|
||||
|
||||
if (opt.verbose)
|
||||
log_info ("key for '%s' removed\n", addrspec);
|
||||
err = 0;
|
||||
|
||||
leave:
|
||||
xfree (fname);
|
||||
xfree (addrspec);
|
||||
return err;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user