2 * Copyright (C) 2003 Thomas Roessler <roessler@does-not-exist.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 #include "mutt_idna.h"
24 /* The low-level interface we use. */
28 int mutt_idna_to_local (const char *in, char **out, int flags)
30 *out = safe_strdup (in);
34 int mutt_local_to_idna (const char *in, char **out)
36 *out = safe_strdup (in);
42 int mutt_idna_to_local (const char *in, char **out, int flags)
49 /* Is this the right function? Interesting effects with some bad identifiers! */
50 if (idna_to_unicode_8z8z (in, out, 1) != IDNA_SUCCESS)
52 if (mutt_convert_string (out, "utf-8", Charset, M_ICONV_HOOK_TO) == -1)
56 * make sure that we can convert back and come out with the same
59 if ((flags & MI_MAY_BE_IRREVERSIBLE) == 0)
63 char *tmp = safe_strdup (*out);
64 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
66 if (!irrev && idna_to_ascii_8z (tmp, &t2, 1) != IDNA_SUCCESS)
68 if (!irrev && ascii_strcasecmp (t2, in))
70 dprint (1, (debugfile, "mutt_idna_to_local: Not reversible. in = '%s', t2 = '%s'.\n",
86 *out = safe_strdup (in);
90 int mutt_local_to_idna (const char *in, char **out)
93 char *tmp = safe_strdup (in);
102 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
104 if (!rv && idna_to_ascii_8z (tmp, out, 1) != IDNA_SUCCESS)
111 *out = safe_strdup (in);
119 /* higher level functions */
121 static int mbox_to_udomain (const char *mbx, char **user, char **domain)
127 p = strchr (mbx, '@');
130 *user = safe_calloc((p - mbx + 1), sizeof(mbx[0]));
131 strfcpy (*user, mbx, (p - mbx + 1));
132 *domain = safe_strdup(p + 1);
136 int mutt_addrlist_to_idna (ADDRESS *a, char **err)
138 char *user = NULL, *domain = NULL;
145 for (; a; a = a->next)
149 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
152 if (mutt_local_to_idna (domain, &tmp) < 0)
156 *err = safe_strdup (domain);
160 safe_realloc (&a->mailbox, mutt_strlen (user) + mutt_strlen (tmp) + 2);
161 sprintf (a->mailbox, "%s@%s", NONULL(user), NONULL(tmp)); /* __SPRINTF_CHECKED__ */
175 int mutt_addrlist_to_local (ADDRESS *a)
180 for (; a; a = a->next)
184 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
187 if (mutt_idna_to_local (domain, &tmp, 0) == 0)
189 safe_realloc (&a->mailbox, mutt_strlen (user) + mutt_strlen (tmp) + 2);
190 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
201 /* convert just for displaying purposes */
202 const char *mutt_addr_for_display (ADDRESS *a)
204 static char *buff = NULL;
206 /* user and domain will be either allocated or reseted to the NULL in
207 * the mbox_to_udomain(), but for safety... */
213 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
215 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0)
223 safe_realloc (&buff, mutt_strlen (tmp) + mutt_strlen (user) + 2);
224 sprintf (buff, "%s@%s", NONULL(user), NONULL(tmp)); /* __SPRINTF_CHECKED__ */
231 /* Convert an ENVELOPE structure */
233 void mutt_env_to_local (ENVELOPE *e)
235 mutt_addrlist_to_local (e->return_path);
236 mutt_addrlist_to_local (e->from);
237 mutt_addrlist_to_local (e->to);
238 mutt_addrlist_to_local (e->cc);
239 mutt_addrlist_to_local (e->bcc);
240 mutt_addrlist_to_local (e->reply_to);
241 mutt_addrlist_to_local (e->mail_followup_to);
244 /* Note that `a' in the `env->a' expression is macro argument, not
245 * "real" name of an `env' compound member. Real name will be substituted
246 * by preprocessor at the macro-expansion time.
248 #define H_TO_IDNA(a) \
249 if (mutt_addrlist_to_idna (env->a, err) && !e) \
251 if (tag) *tag = #a; e = 1; err = NULL; \
254 int mutt_env_to_idna (ENVELOPE *env, char **tag, char **err)
257 H_TO_IDNA(return_path);
263 H_TO_IDNA(mail_followup_to);