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.
18 #include <lib-lib/mem.h>
19 #include <lib-lib/ascii.h>
20 #include <lib-lib/str.h>
21 #include <lib-lib/macros.h>
25 #include "mutt_idna.h"
27 /* The low-level interface we use. */
31 int mutt_idna_to_local (const char *in, char **out, int flags)
37 int mutt_local_to_idna (const char *in, char **out)
45 int mutt_idna_to_local (const char *in, char **out, int flags)
49 if (!option (OPTUSEIDN))
55 /* Is this the right function? Interesting effects with some bad identifiers! */
56 if (idna_to_unicode_8z8z (in, out, 1) != IDNA_SUCCESS)
58 if (mutt_convert_string (out, "utf-8", Charset, M_ICONV_HOOK_TO) == -1)
62 * make sure that we can convert back and come out with the same
66 if ((flags & MI_MAY_BE_IRREVERSIBLE) == 0) {
69 char *tmp = m_strdup(*out);
71 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
73 if (!irrev && idna_to_ascii_8z (tmp, &t2, 1) != IDNA_SUCCESS)
75 if (!irrev && ascii_strcasecmp (t2, in)) {
94 int mutt_local_to_idna (const char *in, char **out)
97 char *tmp = m_strdup(in);
106 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
108 if (!rv && idna_to_ascii_8z (tmp, out, 1) != IDNA_SUCCESS)
122 /* higher level functions */
124 static int mbox_to_udomain (const char *mbx, char **user, char **domain)
131 p = strchr (mbx, '@');
134 *user = p_dupstr(mbx, p - mbx);
135 *domain = m_strdup(p + 1);
139 int mutt_addrlist_to_idna (address_t * a, const char **err)
141 char *user = NULL, *domain = NULL;
148 for (; a; a = a->next) {
151 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
154 if (mutt_local_to_idna (domain, &tmp) < 0) {
157 *err = m_strdup(domain);
160 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
161 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
175 int mutt_addrlist_to_local (address_t * a)
180 for (; a; a = a->next) {
183 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
186 if (mutt_idna_to_local (domain, &tmp, 0) == 0) {
187 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
188 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
199 /* convert just for displaying purposes */
200 const char *mutt_addr_for_display (address_t * a)
202 static char *buff = NULL;
205 /* user and domain will be either allocated or reseted to the NULL in
206 * the mbox_to_udomain(), but for safety... */
212 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
214 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0) {
221 p_realloc(&buff, m_strlen(tmp) + m_strlen(user) + 2);
222 sprintf (buff, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
229 /* Convert an ENVELOPE structure */
231 void mutt_env_to_local (ENVELOPE * e)
233 mutt_addrlist_to_local (e->return_path);
234 mutt_addrlist_to_local (e->from);
235 mutt_addrlist_to_local (e->to);
236 mutt_addrlist_to_local (e->cc);
237 mutt_addrlist_to_local (e->bcc);
238 mutt_addrlist_to_local (e->reply_to);
239 mutt_addrlist_to_local (e->mail_followup_to);
242 /* Note that `a' in the `env->a' expression is macro argument, not
243 * "real" name of an `env' compound member. Real name will be substituted
244 * by preprocessor at the macro-expansion time.
246 #define H_TO_IDNA(a) \
247 if (mutt_addrlist_to_idna (env->a, err) && !e) \
249 if (tag) *tag = #a; e = 1; err = NULL; \
252 int mutt_env_to_idna (ENVELOPE * env, const char **tag, const char **err)
256 H_TO_IDNA (return_path);
261 H_TO_IDNA (reply_to);
262 H_TO_IDNA (mail_followup_to);