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>
18 #include <lib-lib/debug.h>
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)
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 = m_strdup(*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 = m_strdup(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 = p_dupstr(mbx, p - mbx);
133 *domain = m_strdup(p + 1);
137 int mutt_addrlist_to_idna (address_t * a, const char **err)
139 char *user = NULL, *domain = NULL;
146 for (; a; a = a->next) {
149 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
152 if (mutt_local_to_idna (domain, &tmp) < 0) {
155 *err = m_strdup(domain);
158 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
159 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
173 int mutt_addrlist_to_local (address_t * a)
178 for (; a; a = a->next) {
181 if (mbox_to_udomain (a->mailbox, &user, &domain) == -1)
184 if (mutt_idna_to_local (domain, &tmp, 0) == 0) {
185 p_realloc(&a->mailbox, m_strlen(user) + m_strlen(tmp) + 2);
186 sprintf (a->mailbox, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
197 /* convert just for displaying purposes */
198 const char *mutt_addr_for_display (address_t * a)
200 static char *buff = NULL;
203 /* user and domain will be either allocated or reseted to the NULL in
204 * the mbox_to_udomain(), but for safety... */
210 if (mbox_to_udomain (a->mailbox, &user, &domain) != 0)
212 if (mutt_idna_to_local (domain, &tmp, MI_MAY_BE_IRREVERSIBLE) != 0) {
219 p_realloc(&buff, m_strlen(tmp) + m_strlen(user) + 2);
220 sprintf (buff, "%s@%s", NONULL (user), NONULL (tmp)); /* __SPRINTF_CHECKED__ */
227 /* Convert an ENVELOPE structure */
229 void mutt_env_to_local (ENVELOPE * e)
231 mutt_addrlist_to_local (e->return_path);
232 mutt_addrlist_to_local (e->from);
233 mutt_addrlist_to_local (e->to);
234 mutt_addrlist_to_local (e->cc);
235 mutt_addrlist_to_local (e->bcc);
236 mutt_addrlist_to_local (e->reply_to);
237 mutt_addrlist_to_local (e->mail_followup_to);
240 /* Note that `a' in the `env->a' expression is macro argument, not
241 * "real" name of an `env' compound member. Real name will be substituted
242 * by preprocessor at the macro-expansion time.
244 #define H_TO_IDNA(a) \
245 if (mutt_addrlist_to_idna (env->a, err) && !e) \
247 if (tag) *tag = #a; e = 1; err = NULL; \
250 int mutt_env_to_idna (ENVELOPE * env, const char **tag, const char **err)
254 H_TO_IDNA (return_path);
259 H_TO_IDNA (reply_to);
260 H_TO_IDNA (mail_followup_to);