#include <h/mime.h>
#include <h/mhparse.h>
#include <h/utils.h>
+#ifdef HAVE_ICONV
+# include <iconv.h>
+#endif /* ! HAVE_ICONV */
extern int debugsw;
static int show_message_rfc822 (CT, int, int);
static int show_partial (CT, int, int);
static int show_external (CT, int, int);
+static int convert_content_charset (CT, char **);
static void intrser (int);
switch (ct->c_type) {
case CT_MULTIPART:
return show_multi (ct, serial, alternate);
- break;
case CT_MESSAGE:
switch (ct->c_subtype) {
case MESSAGE_PARTIAL:
return show_partial (ct, serial, alternate);
- break;
case MESSAGE_EXTERNAL:
return show_external (ct, serial, alternate);
- break;
case MESSAGE_RFC822:
default:
return show_message_rfc822 (ct, serial, alternate);
- break;
}
- break;
case CT_TEXT:
return show_text (ct, serial, alternate);
- break;
case CT_AUDIO:
case CT_IMAGE:
case CT_VIDEO:
case CT_APPLICATION:
return show_content (ct, serial, alternate);
- break;
default:
adios (NULL, "unknown content type %d", ct->c_type);
- break;
}
return 0; /* NOT REACHED */
char *cp, buffer[BUFSIZ];
CI ci = &ct->c_ctinfo;
- /* Check for mhn-show-type/subtype */
+ /* Check for invo_name-show-type/subtype */
snprintf (buffer, sizeof(buffer), "%s-show-%s/%s",
invo_name, ci->ci_type, ci->ci_subtype);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
- /* Check for mhn-show-type */
+ /* Check for invo_name-show-type */
snprintf (buffer, sizeof(buffer), "%s-show-%s", invo_name, ci->ci_type);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
return NOTOK;
if (ct->c_showproc && !strcmp (ct->c_showproc, "true"))
return (alternate ? DONE : OK);
-
+
+ if (! strcmp(invo_name, "mhshow") &&
+ ct->c_type == CT_TEXT && ct->c_subtype == TEXT_PLAIN) {
+ /* This has to be done after calling c_ceopenfnx, so
+ unfortunately the type checks are necessary without
+ some code rearrangement. And to make this really ugly,
+ only do it in mhshow, not mhfixmsg, mhn, or mhstore. */
+ if (convert_content_charset (ct, &file) != OK) {
+ admonish (NULL, "unable to convert character set%s to %s",
+ ct->c_partno ? "of part " : "",
+ ct->c_partno ? ct->c_partno : "",
+ content_charset (ct));
+ }
+ }
+
xlist = 0;
xpause = 0;
xstdin = 0;
pid_t child_id;
int i;
char *vec[4], exec[BUFSIZ + sizeof "exec "];
-
+
if (debugsw || cracked) {
fflush (stdout);
char *cp, buffer[BUFSIZ];
CI ci = &ct->c_ctinfo;
- /* Check for mhn-show-type/subtype */
+ /* Check for invo_name-show-type/subtype */
snprintf (buffer, sizeof(buffer), "%s-show-%s/%s",
invo_name, ci->ci_type, ci->ci_subtype);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
- /* Check for mhn-show-type */
+ /* Check for invo_name-show-type */
snprintf (buffer, sizeof(buffer), "%s-show-%s", invo_name, ci->ci_type);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
*/
if (!alternate || ct->c_subtype == TEXT_PLAIN) {
snprintf (buffer, sizeof(buffer), "%%p%s '%%F'", progsw ? progsw :
- moreproc && *moreproc ? moreproc : "more");
+ moreproc && *moreproc ? moreproc : DEFAULT_PAGER);
cp = (ct->c_showproc = add (buffer, NULL));
return show_content_aux (ct, serial, alternate, cp, NULL);
}
char *cp, buffer[BUFSIZ];
CI ci = &ct->c_ctinfo;
- /* Check for mhn-show-type/subtype */
+ /* Check for invo_name-show-type/subtype */
snprintf (buffer, sizeof(buffer), "%s-show-%s/%s",
invo_name, ci->ci_type, ci->ci_subtype);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_multi_aux (ct, serial, alternate, cp);
- /* Check for mhn-show-type */
+ /* Check for invo_name-show-type */
snprintf (buffer, sizeof(buffer), "%s-show-%s", invo_name, ci->ci_type);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_multi_aux (ct, serial, alternate, cp);
/*
* alternate -> we are a part inside an multipart/alternative
- * alternating -> we are a multipart/alternative
+ * alternating -> we are a multipart/alternative
*/
result = alternate ? NOTOK : OK;
/* insert filename(s) containing content */
{
char *s = "";
-
+
for (part = m->mp_parts; part; part = part->mp_next) {
p = part->mp_part;
char *cp, buffer[BUFSIZ];
CI ci = &ct->c_ctinfo;
- /* Check for mhn-show-type/subtype */
+ /* Check for invo_name-show-type/subtype */
snprintf (buffer, sizeof(buffer), "%s-show-%s/%s",
invo_name, ci->ci_type, ci->ci_subtype);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
- /* Check for mhn-show-type */
+ /* Check for invo_name-show-type */
snprintf (buffer, sizeof(buffer), "%s-show-%s", invo_name, ci->ci_type);
if ((cp = context_find (buffer)) && *cp != '\0')
return show_content_aux (ct, serial, alternate, cp, NULL);
}
+int
+convert_charset (CT ct, char *dest_charset, int *message_mods) {
+ char *src_charset = content_charset (ct);
+ int status = OK;
+
+ /* norm_charmap() is case sensitive. */
+ char *src_charset_u = upcase (src_charset);
+ char *dest_charset_u = upcase (dest_charset);
+ int different_charsets =
+ strcmp (norm_charmap (src_charset), norm_charmap (dest_charset));
+
+ free (dest_charset_u);
+ free (src_charset_u);
+
+ if (different_charsets) {
+#ifdef HAVE_ICONV
+ iconv_t conv_desc = NULL;
+ char *dest;
+ int fd = -1;
+ char **file = NULL;
+ FILE **fp = NULL;
+ size_t begin;
+ size_t end;
+ int opened_input_file = 0;
+ char src_buffer[BUFSIZ];
+ HF hf;
+ char *tempfile;
+
+ if ((conv_desc = iconv_open (dest_charset, src_charset)) ==
+ (iconv_t) -1) {
+ advise (NULL, "Can't convert %s to %s", src_charset, dest_charset);
+ return NOTOK;
+ }
+
+ if ((tempfile = m_mktemp2 (NULL, invo_name, &fd, NULL)) == NULL) {
+ adios (NULL, "unable to create temporary file in %s",
+ get_temp_dir());
+ }
+ dest = add (tempfile, NULL);
+
+ if (ct->c_cefile.ce_file) {
+ file = &ct->c_cefile.ce_file;
+ fp = &ct->c_cefile.ce_fp;
+ begin = end = 0;
+ } else if (ct->c_file) {
+ file = &ct->c_file;
+ fp = &ct->c_fp;
+ begin = (size_t) ct->c_begin;
+ end = (size_t) ct->c_end;
+ } /* else no input file: shouldn't happen */
+
+ if (file && *file && fp) {
+ if (! *fp) {
+ if ((*fp = fopen (*file, "r")) == NULL) {
+ advise (*file, "unable to open for reading");
+ status = NOTOK;
+ } else {
+ opened_input_file = 1;
+ }
+ }
+ }
+
+ if (fp && *fp) {
+ size_t inbytes;
+ size_t bytes_to_read =
+ end > 0 && end > begin ? end - begin : sizeof src_buffer;
+
+ fseeko (*fp, begin, SEEK_SET);
+ while ((inbytes = fread (src_buffer, 1,
+ min (bytes_to_read, sizeof src_buffer),
+ *fp)) > 0) {
+ char dest_buffer[BUFSIZ];
+ ICONV_CONST char *ib = src_buffer;
+ char *ob = dest_buffer;
+ size_t outbytes = sizeof dest_buffer;
+ size_t outbytes_before = outbytes;
+
+ if (end > 0) bytes_to_read -= inbytes;
+
+ if (iconv (conv_desc, &ib, &inbytes, &ob, &outbytes) ==
+ (size_t) -1) {
+ status = NOTOK;
+ break;
+ } else {
+ write (fd, dest_buffer, outbytes_before - outbytes);
+ }
+ }
+
+ if (opened_input_file) {
+ fclose (*fp);
+ *fp = NULL;
+ }
+ }
+
+ iconv_close (conv_desc);
+ close (fd);
+
+ if (status == OK) {
+ /* Replace the decoded file with the converted one. */
+ if (ct->c_cefile.ce_file) {
+ if (ct->c_cefile.ce_unlink) {
+ (void) m_unlink (ct->c_cefile.ce_file);
+ }
+ free (ct->c_cefile.ce_file);
+ }
+ ct->c_cefile.ce_file = dest;
+ ct->c_cefile.ce_unlink = 1;
+
+ ++*message_mods;
+
+ /* Update ci_attrs. */
+ src_charset = dest_charset;
+
+ /* Update ct->c_ctline. */
+ if (ct->c_ctline) {
+ char *ctline =
+ update_attr (ct->c_ctline, "charset=", dest_charset);
+
+ free (ct->c_ctline);
+ ct->c_ctline = ctline;
+ } /* else no CT line, which is odd */
+
+ /* Update Content-Type header field. */
+ for (hf = ct->c_first_hf; hf; hf = hf->next) {
+ if (! strcasecmp (TYPE_FIELD, hf->name)) {
+ char *ctline_less_newline =
+ update_attr (hf->value, "charset=", dest_charset);
+ char *ctline = concat (ctline_less_newline, "\n", NULL);
+ free (ctline_less_newline);
+
+ free (hf->value);
+ hf->value = ctline;
+ break;
+ }
+ }
+ } else {
+ (void) m_unlink (dest);
+ }
+#else /* ! HAVE_ICONV */
+ NMH_UNUSED (message_mods);
+
+ advise (NULL, "Can't convert %s to %s without iconv", src_charset,
+ dest_charset);
+ status = NOTOK;
+#endif /* ! HAVE_ICONV */
+ }
+
+ return status;
+}
+
+
+static int
+convert_content_charset (CT ct, char **file) {
+#ifdef HAVE_ICONV
+ /* Using current locale, see if the content needs to be converted. */
+
+ /* content_charset() cannot return NULL. */
+ char *charset = content_charset (ct);
+
+ if (! check_charset (charset, strlen (charset))) {
+ int unused = 0;
+
+ if (convert_charset (ct, get_charset (), &unused) == 0) {
+ *file = ct->c_cefile.ce_file;
+ } else {
+ return NOTOK;
+ }
+ }
+#endif /* ! HAVE_ICONV */
+
+ return OK;
+}
+
+
static void
intrser (int i)
{
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