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.
10 #include <lib-lib/lib-lib.h>
18 #include "mutt_idna.h"
20 /* The low-level interface we use. */
22 static int mutt_idna_to_local (const char *in, char **out, int flags)
27 if (!option (OPTUSEIDN))
33 /* Is this the right function? Interesting effects with some bad identifiers! */
34 if (idna_to_unicode_8z8z (in, out, 1) != IDNA_SUCCESS)
36 if (mutt_convert_string (out, "utf-8", MCharset.charset, M_ICONV_HOOK_TO) == -1)
40 * make sure that we can convert back and come out with the same
44 if ((flags & MI_MAY_BE_IRREVERSIBLE) == 0) {
47 char *tmp = m_strdup(*out);
49 if (mutt_convert_string (&tmp, MCharset.charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
51 if (!irrev && idna_to_ascii_8z (tmp, &t2, 1) != IDNA_SUCCESS)
53 if (!irrev && ascii_strcasecmp (t2, in)) {
73 static int mutt_local_to_idna (const char *in, char **out)
77 char *tmp = m_strdup(in);
86 if (mutt_convert_string (&tmp, MCharset.charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
88 if (!rv && idna_to_ascii_8z (tmp, out, 1) != IDNA_SUCCESS)
103 /* higher level functions */
105 static int mbox_to_udomain (const char *mbx, char **user, char **domain)
112 p = strchr (mbx, '@');
115 *user = p_dupstr(mbx, p - mbx);
116 *domain = m_strdup(p + 1);
120 int mutt_addrlist_to_idna (address_t * a, char **err)
122 char *user = NULL, *domain = NULL;
129 for (; a; a = a->next) {
132 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
135 if (mutt_local_to_idna (domain, &tmp) < 0) {
138 *err = m_strdup(domain);
141 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
142 sprintf(a->mailbox, "%s@%s", NONULL (user), NONULL (tmp));
156 int mutt_addrlist_to_local (address_t * a)
161 for (; a; a = a->next) {
164 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
167 if (mutt_idna_to_local (domain, &tmp, 0) == 0) {
168 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
169 sprintf(a->mailbox, "%s@%s", NONULL (user), NONULL (tmp));
180 /* convert just for displaying purposes */
181 const char *mutt_addr_for_display (address_t * a)
183 static char *buff = NULL;
186 /* user and domain will be either allocated or reseted to the NULL in
187 * the mbox_to_udomain(), but for safety... */
193 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
195 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0) {
202 p_realloc(&buff, m_strlen(tmp) + m_strlen(user) + 2);
203 sprintf(buff, "%s@%s", NONULL (user), NONULL (tmp));
210 /* Convert an ENVELOPE structure */
212 void mutt_env_to_local (ENVELOPE * e)
214 mutt_addrlist_to_local (e->return_path);
215 mutt_addrlist_to_local (e->from);
216 mutt_addrlist_to_local (e->to);
217 mutt_addrlist_to_local (e->cc);
218 mutt_addrlist_to_local (e->bcc);
219 mutt_addrlist_to_local (e->reply_to);
220 mutt_addrlist_to_local (e->mail_followup_to);
223 /* Note that `a' in the `env->a' expression is macro argument, not
224 * "real" name of an `env' compound member. Real name will be substituted
225 * by preprocessor at the macro-expansion time.
227 #define H_TO_IDNA(a) \
228 if (mutt_addrlist_to_idna (env->a, err) && !e) \
230 if (tag) *tag = #a; e = 1; err = NULL; \
233 int mutt_env_to_idna (ENVELOPE * env, const char **tag, char **err)
237 H_TO_IDNA (return_path);
242 H_TO_IDNA (reply_to);
243 H_TO_IDNA (mail_followup_to);