2 * Copyright notice from original mutt:
3 * Copyright (C) 2003 Thomas Roessler <roessler@does-not-exist.org>
5 * This file is part of mutt-ng, see http://www.muttng.org/.
6 * It's licensed under the GNU General Public License,
7 * please see the file GPL in the top level source directory.
17 #include "mutt_idna.h"
22 #include "lib/debug.h"
24 /* The low-level interface we use. */
28 int mutt_idna_to_local (const char *in, char **out, int flags)
34 int mutt_local_to_idna (const char *in, char **out)
42 int mutt_idna_to_local (const char *in, char **out, int flags)
46 if (!option (OPTUSEIDN))
52 /* Is this the right function? Interesting effects with some bad identifiers! */
53 if (idna_to_unicode_8z8z (in, out, 1) != IDNA_SUCCESS)
55 if (mutt_convert_string (out, "utf-8", Charset, M_ICONV_HOOK_TO) == -1)
59 * make sure that we can convert back and come out with the same
63 if ((flags & MI_MAY_BE_IRREVERSIBLE) == 0) {
66 char *tmp = str_dup (*out);
68 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
70 if (!irrev && idna_to_ascii_8z (tmp, &t2, 1) != IDNA_SUCCESS)
72 if (!irrev && ascii_strcasecmp (t2, in)) {
73 debug_print (1, ("not reversible. in = '%s', t2 = '%s'.\n", in, t2));
92 int mutt_local_to_idna (const char *in, char **out)
95 char *tmp = str_dup (in);
104 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
106 if (!rv && idna_to_ascii_8z (tmp, out, 1) != IDNA_SUCCESS)
120 /* higher level functions */
122 static int mbox_to_udomain (const char *mbx, char **user, char **domain)
129 p = strchr (mbx, '@');
132 *user = mem_calloc ((p - mbx + 1), sizeof (mbx[0]));
133 strfcpy (*user, mbx, (p - mbx + 1));
134 *domain = str_dup (p + 1);
138 int mutt_addrlist_to_idna (ADDRESS * a, char **err)
140 char *user = NULL, *domain = NULL;
147 for (; a; a = a->next) {
150 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
153 if (mutt_local_to_idna (domain, &tmp) < 0) {
156 *err = str_dup (domain);
159 mem_realloc (&a->mailbox, str_len (user) + str_len (tmp) + 2);
160 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
174 int mutt_addrlist_to_local (ADDRESS * a)
179 for (; a; a = a->next) {
182 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
185 if (mutt_idna_to_local (domain, &tmp, 0) == 0) {
186 mem_realloc (&a->mailbox, str_len (user) + str_len (tmp) + 2);
187 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
198 /* convert just for displaying purposes */
199 const char *mutt_addr_for_display (ADDRESS * a)
201 static char *buff = NULL;
204 /* user and domain will be either allocated or reseted to the NULL in
205 * the mbox_to_udomain(), but for safety... */
211 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
213 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0) {
220 mem_realloc (&buff, str_len (tmp) + str_len (user) + 2);
221 sprintf (buff, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
228 /* Convert an ENVELOPE structure */
230 void mutt_env_to_local (ENVELOPE * e)
232 mutt_addrlist_to_local (e->return_path);
233 mutt_addrlist_to_local (e->from);
234 mutt_addrlist_to_local (e->to);
235 mutt_addrlist_to_local (e->cc);
236 mutt_addrlist_to_local (e->bcc);
237 mutt_addrlist_to_local (e->reply_to);
238 mutt_addrlist_to_local (e->mail_followup_to);
241 /* Note that `a' in the `env->a' expression is macro argument, not
242 * "real" name of an `env' compound member. Real name will be substituted
243 * by preprocessor at the macro-expansion time.
245 #define H_TO_IDNA(a) \
246 if (mutt_addrlist_to_idna (env->a, err) && !e) \
248 if (tag) *tag = #a; e = 1; err = NULL; \
251 int mutt_env_to_idna (ENVELOPE * env, char **tag, char **err)
255 H_TO_IDNA (return_path);
260 H_TO_IDNA (reply_to);
261 H_TO_IDNA (mail_followup_to);