+++ /dev/null
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1998-2000 Werner Koch <werner.koch@guug.de>
- * Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-
-/*
- * NOTE
- *
- * This code used to be the parser for GnuPG's output.
- *
- * Nowadays, we are using an external pubring lister with PGP which mimics
- * gpg's output format.
- *
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <time.h>
-#include <ctype.h>
-
-#include <lib-lib/mem.h>
-#include <lib-lib/str.h>
-
-#include <lib-mime/mime.h>
-
-#include "mutt.h"
-#include "pgp.h"
-#include "charset.h"
-
-#include "lib/debug.h"
-
-/****************
- * Read the GNUPG keys. For now we read the complete keyring by
- * calling gnupg in a special mode.
- *
- * The output format of gpgm is colon delimited with these fields:
- * - record type ("pub","uid","sig","rev" etc.)
- * - trust info
- * - key length
- * - pubkey algo
- * - 16 hex digits with the long keyid.
- * - timestamp (1998-02-28)
- * - Local id
- * - ownertrust
- * - name
- * - signature class
- */
-
-/* decode the backslash-escaped user ids. */
-
-static char *_chs = 0;
-
-static void fix_uid (char *uid)
-{
- char *s, *d;
- iconv_t cd;
-
- for (s = d = uid; *s;) {
- if (*s == '\\' && *(s + 1) == 'x' && isxdigit ((unsigned char) *(s + 2))
- && isxdigit ((unsigned char) *(s + 3))) {
- *d++ = hexval (*(s + 2)) << 4 | hexval (*(s + 3));
- s += 4;
- }
- else
- *d++ = *s++;
- }
- *d = '\0';
-
- if (_chs && (cd = mutt_iconv_open (_chs, "utf-8", 0)) != (iconv_t) - 1) {
- int n = s - uid + 1; /* chars available in original buffer */
- char *buf;
- const char *ib;
- char *ob;
- ssize_t ibl, obl;
-
- buf = p_new(char, n + 1);
- ib = uid, ibl = d - uid + 1, ob = buf, obl = n;
- my_iconv(cd, &ib, &ibl, &ob, &obl);
- if (!ibl) {
- if (ob - buf < n) {
- memcpy (uid, buf, ob - buf);
- uid[ob - buf] = '\0';
- }
- else if (ob - buf == n && (buf[n] = 0, m_strlen(buf) < n))
- memcpy (uid, buf, n);
- }
- p_delete(&buf);
- iconv_close (cd);
- }
-}
-
-static pgp_key_t parse_pub_line (char *buf, int *is_subkey, pgp_key_t k)
-{
- pgp_uid_t *uid = NULL;
- int field = 0, is_uid = 0;
- char *pend, *p;
- int trust = 0;
- int flags = 0;
-
- *is_subkey = 0;
- if (!*buf)
- return NULL;
-
- debug_print (2, ("buf = `%s'\n", buf));
-
- for (p = buf; p; p = pend) {
- if ((pend = strchr (p, ':')))
- *pend++ = 0;
- field++;
- if (field > 1 && !*p)
- continue;
-
- switch (field) {
- case 1: /* record type */
- {
- debug_print (2, ("record type: %s\n", p));
-
- if (!m_strcmp(p, "pub"));
- else if (!m_strcmp(p, "sub"))
- *is_subkey = 1;
- else if (!m_strcmp(p, "sec"));
- else if (!m_strcmp(p, "ssb"))
- *is_subkey = 1;
- else if (!m_strcmp(p, "uid"))
- is_uid = 1;
- else
- return NULL;
-
- if (!(is_uid || (*is_subkey && option (OPTPGPIGNORESUB))))
- k = pgp_new_keyinfo();
-
- break;
- }
- case 2: /* trust info */
- {
- debug_print (2, ("trust info: %s\n", p));
-
- switch (*p) { /* look only at the first letter */
- case 'e':
- flags |= KEYFLAG_EXPIRED;
- break;
- case 'r':
- flags |= KEYFLAG_REVOKED;
- break;
- case 'd':
- flags |= KEYFLAG_DISABLED;
- break;
- case 'n':
- trust = 1;
- break;
- case 'm':
- trust = 2;
- break;
- case 'f':
- trust = 3;
- break;
- case 'u':
- trust = 3;
- break;
- }
-
- if (!is_uid && !(*is_subkey && option (OPTPGPIGNORESUB)))
- k->flags |= flags;
-
- break;
- }
- case 3: /* key length */
- {
-
- debug_print (2, ("key len: %s\n", p));
-
- if (!(*is_subkey && option (OPTPGPIGNORESUB)))
- k->keylen = atoi (p); /* fixme: add validation checks */
- break;
- }
- case 4: /* pubkey algo */
- {
-
- debug_print (2, ("pubkey algorithm: %s\n", p));
-
- if (!(*is_subkey && option (OPTPGPIGNORESUB))) {
- k->numalg = atoi (p);
- k->algorithm = pgp_pkalgbytype (atoi (p));
- }
- break;
- }
- case 5: /* 16 hex digits with the long keyid. */
- {
- debug_print (2, ("key id: %s\n", p));
-
- if (!(*is_subkey && option (OPTPGPIGNORESUB)))
- m_strreplace(&k->keyid, p);
- break;
-
- }
- case 6: /* timestamp (1998-02-28) */
- {
- char tstr[11];
- struct tm st_time;
-
- debug_print (2, ("time stamp: %s\n", p));
-
- if (!p)
- break;
- st_time.tm_sec = 0;
- st_time.tm_min = 0;
- st_time.tm_hour = 12;
- m_strcpy(tstr, sizeof(tstr), p);
- tstr[4] = '\0';
- st_time.tm_year = atoi (tstr) - 1900;
- tstr[7] = '\0';
- st_time.tm_mon = (atoi (tstr + 5)) - 1;
- st_time.tm_mday = atoi (tstr + 8);
- k->gen_time = mutt_mktime (&st_time, 0);
- break;
- }
- case 7: /* valid for n days */
- break;
- case 8: /* Local id */
- break;
- case 9: /* ownertrust */
- break;
- case 10: /* name */
- {
- if (!pend || !*p)
- break; /* empty field or no trailing colon */
-
- /* ignore user IDs on subkeys */
- if (!is_uid && (*is_subkey && option (OPTPGPIGNORESUB)))
- break;
-
- debug_print (2, ("user ID: %s\n", p));
-
- uid = p_new(pgp_uid_t, 1);
- fix_uid (p);
- uid->addr = m_strdup(p);
- uid->trust = trust;
- uid->flags |= flags;
- uid->parent = k;
- uid->next = k->address;
- k->address = uid;
-
- if (strstr (p, "ENCR"))
- k->flags |= KEYFLAG_PREFER_ENCRYPTION;
- if (strstr (p, "SIGN"))
- k->flags |= KEYFLAG_PREFER_SIGNING;
-
- break;
- }
- case 11: /* signature class */
- break;
- case 12: /* key capabilities */
- debug_print (2, ("capabilities info: %s\n", p));
-
- while (*p) {
- switch (*p++) {
- case 'D':
- flags |= KEYFLAG_DISABLED;
- break;
-
- case 'e':
- flags |= KEYFLAG_CANENCRYPT;
- break;
-
- case 's':
- flags |= KEYFLAG_CANSIGN;
- break;
- }
- }
-
- if (!is_uid && (!*is_subkey || !option (OPTPGPIGNORESUB)
- || !((flags & KEYFLAG_DISABLED)
- || (flags & KEYFLAG_REVOKED)
- || (flags & KEYFLAG_EXPIRED))))
- k->flags |= flags;
-
- break;
-
- default:
- break;
- }
- }
- return k;
-}
-
-pgp_key_t pgp_get_candidates (pgp_ring_t keyring, LIST * hints)
-{
- FILE *fp;
- pid_t thepid;
- char buf[LONG_STRING];
- pgp_key_t db = NULL, *kend, k = NULL, kk, mainkey = NULL;
- int is_sub;
- int devnull;
-
- if ((devnull = open ("/dev/null", O_RDWR)) == -1)
- return NULL;
-
- m_strreplace(&_chs, Charset);
-
- thepid = pgp_invoke_list_keys (NULL, &fp, NULL, -1, -1, devnull,
- keyring, hints);
- if (thepid == -1) {
- close (devnull);
- return NULL;
- }
-
- kend = &db;
- k = NULL;
- while (fgets (buf, sizeof (buf) - 1, fp)) {
- if (!(kk = parse_pub_line (buf, &is_sub, k)))
- continue;
-
- /* Only append kk to the list if it's new. */
- if (kk != k) {
- if (k)
- kend = &k->next;
- *kend = k = kk;
-
- if (is_sub) {
- pgp_uid_t **l;
-
- k->flags |= KEYFLAG_SUBKEY;
- k->parent = mainkey;
- for (l = &k->address; *l; l = &(*l)->next);
- *l = pgp_copy_uids (mainkey->address, k);
- }
- else
- mainkey = k;
- }
- }
-
- if (ferror (fp))
- mutt_perror ("fgets");
-
- fclose (fp);
- mutt_wait_filter (thepid);
-
- close (devnull);
-
- return db;
-}
projects / apps / madmutt.git / blobdiff