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.
14 #include <lib-lib/mem.h>
15 #include <lib-lib/ascii.h>
16 #include <lib-lib/str.h>
17 #include <lib-lib/macros.h>
21 #include "mutt_idna.h"
23 /* The low-level interface we use. */
27 int mutt_idna_to_local (const char *in, char **out, int flags)
33 int mutt_local_to_idna (const char *in, char **out)
41 int mutt_idna_to_local (const char *in, char **out, int flags)
45 if (!option (OPTUSEIDN))
51 /* Is this the right function? Interesting effects with some bad identifiers! */
52 if (idna_to_unicode_8z8z (in, out, 1) != IDNA_SUCCESS)
54 if (mutt_convert_string (out, "utf-8", Charset, M_ICONV_HOOK_TO) == -1)
58 * make sure that we can convert back and come out with the same
62 if ((flags & MI_MAY_BE_IRREVERSIBLE) == 0) {
65 char *tmp = m_strdup(*out);
67 if (mutt_convert_string (&tmp, Charset, "utf-8", M_ICONV_HOOK_FROM) == -1)
69 if (!irrev && idna_to_ascii_8z (tmp, &t2, 1) != IDNA_SUCCESS)
71 if (!irrev && ascii_strcasecmp (t2, in)) {
90 int mutt_local_to_idna (const char *in, char **out)
93 char *tmp = m_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)
118 /* higher level functions */
120 static int mbox_to_udomain (const char *mbx, char **user, char **domain)
127 p = strchr (mbx, '@');
130 *user = p_dupstr(mbx, p - mbx);
131 *domain = m_strdup(p + 1);
135 int mutt_addrlist_to_idna (address_t * a, const char **err)
137 char *user = NULL, *domain = NULL;
144 for (; a; a = a->next) {
147 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
150 if (mutt_local_to_idna (domain, &tmp) < 0) {
153 *err = m_strdup(domain);
156 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
157 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
171 int mutt_addrlist_to_local (address_t * a)
176 for (; a; a = a->next) {
179 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
182 if (mutt_idna_to_local (domain, &tmp, 0) == 0) {
183 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
184 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
195 /* convert just for displaying purposes */
196 const char *mutt_addr_for_display (address_t * a)
198 static char *buff = NULL;
201 /* user and domain will be either allocated or reseted to the NULL in
202 * the mbox_to_udomain(), but for safety... */
208 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
210 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0) {
217 p_realloc(&buff, m_strlen(tmp) + m_strlen(user) + 2);
218 sprintf (buff, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
225 /* Convert an ENVELOPE structure */
227 void mutt_env_to_local (ENVELOPE * e)
229 mutt_addrlist_to_local (e->return_path);
230 mutt_addrlist_to_local (e->from);
231 mutt_addrlist_to_local (e->to);
232 mutt_addrlist_to_local (e->cc);
233 mutt_addrlist_to_local (e->bcc);
234 mutt_addrlist_to_local (e->reply_to);
235 mutt_addrlist_to_local (e->mail_followup_to);
238 /* Note that `a' in the `env->a' expression is macro argument, not
239 * "real" name of an `env' compound member. Real name will be substituted
240 * by preprocessor at the macro-expansion time.
242 #define H_TO_IDNA(a) \
243 if (mutt_addrlist_to_idna (env->a, err) && !e) \
245 if (tag) *tag = #a; e = 1; err = NULL; \
248 int mutt_env_to_idna (ENVELOPE * env, const char **tag, const char **err)
252 H_TO_IDNA (return_path);
257 H_TO_IDNA (reply_to);
258 H_TO_IDNA (mail_followup_to);