* distribution for complete copyright information.
*/
-#include <h/mh.h>
-#include <h/fmt_scan.h>
-#include <h/mime.h>
-#include <h/mhparse.h>
-#include <h/utils.h>
-#include <h/signals.h>
-#include "../sbr/m_maildir.h"
-#include "../sbr/m_mktemp.h"
-#include "../sbr/mime_type.h"
+#include "h/mh.h"
+#include "sbr/m_name.h"
+#include "sbr/m_gmprot.h"
+#include "sbr/m_getfld.h"
+#include "sbr/getarguments.h"
+#include "sbr/concat.h"
+#include "sbr/seq_setprev.h"
+#include "sbr/seq_setcur.h"
+#include "sbr/seq_save.h"
+#include "sbr/smatch.h"
+#include "sbr/fmt_rfc2047.h"
+#include "sbr/cpydata.h"
+#include "sbr/trimcpy.h"
+#include "sbr/m_convert.h"
+#include "sbr/m_backup.h"
+#include "sbr/getfolder.h"
+#include "sbr/folder_read.h"
+#include "sbr/context_save.h"
+#include "sbr/context_replace.h"
+#include "sbr/context_find.h"
+#include "sbr/readconfig.h"
+#include "sbr/ambigsw.h"
+#include "sbr/path.h"
+#include "sbr/print_version.h"
+#include "sbr/print_help.h"
+#include "sbr/error.h"
+#include "h/fmt_scan.h"
+#include "h/mime.h"
+#include "h/mhparse.h"
+#include "h/done.h"
+#include "h/utils.h"
+#include "h/signals.h"
+#include "sbr/m_maildir.h"
+#include "sbr/m_mktemp.h"
+#include "sbr/mime_type.h"
#include "mhmisc.h"
#include "mhfree.h"
#include "mhoutsbr.h"
X("decodetext 8bit|7bit|binary", 0, DECODETEXTSW) \
X("nodecodetext", 0, NDECODETEXTSW) \
X("decodetypes", 0, DECODETYPESW) \
+ X("decodeheaderfieldbodies utf-8", 0, DECODEHEADERFIELDBODIESSW) \
+ X("nodecodeheaderfieldbodies", 0, NDECODEHEADERFIELDBODIESSW) \
X("crlflinebreaks", 0, CRLFLINEBREAKSSW) \
X("nocrlflinebreaks", 0, NCRLFLINEBREAKSSW) \
X("textcharset", 0, TEXTCHARSETSW) \
int replacetextplain;
int decodetext;
char *decodetypes;
+ char *decodeheaderfieldbodies; /* Either NULL or "utf-8". */
/* Whether to use CRLF linebreaks, per RFC 2046 Sec. 4.1.1, par.1. */
int lf_line_endings;
char *textcharset;
static int less_restrictive (int, int);
static int convert_charsets (CT, char *, int *);
static int fix_always (CT, int *);
+static int decode_header_field_bodies (CT, int *);
static int fix_filename_param (char *, char *, PM *, PM *);
static int fix_filename_encoding (CT);
static int write_content (CT, const char *, char *, FILE *, int, int);
int
-main (int argc, char **argv) {
+main (int argc, char **argv)
+{
int msgnum;
char *cp, *file = NULL, *folder = NULL;
char *maildir = NULL, buf[100], *outfile = NULL;
struct msgs *mp = NULL;
CT *ctp;
FILE *fp, *infp = NULL, *outfp = NULL;
- int using_stdin = 0;
- int chgflag = 1;
+ bool using_stdin = false;
+ bool chgflag = true;
int status = OK;
fix_transformations fx;
fx.reformat = fx.fixcompositecte = fx.fixboundary = 1;
fx.replacetextplain = 0;
fx.decodetext = CE_8BIT;
fx.decodetypes = "text,application/ics"; /* Default, per man page. */
+ fx.decodeheaderfieldbodies = NULL;
fx.lf_line_endings = 0;
fx.textcharset = NULL;
- if (nmh_init(argv[0], 2)) { return 1; }
+ if (nmh_init(argv[0], true, false)) { return 1; }
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
ambigsw (cp, switches);
done (1);
case UNKWNSW:
- adios (NULL, "-%s unknown", cp);
+ die("-%s unknown", cp);
case HELPSW:
snprintf (buf, sizeof buf, "%s [+folder] [msgs] [switches]",
case DECODETEXTSW:
if (! (cp = *argp++) || *cp == '-') {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
if (! strcasecmp (cp, "8bit")) {
fx.decodetext = CE_8BIT;
} else if (! strcasecmp (cp, "binary")) {
fx.decodetext = CE_BINARY;
} else {
- adios (NULL, "invalid argument to %s", argp[-2]);
+ die("invalid argument to %s", argp[-2]);
}
continue;
case NDECODETEXTSW:
continue;
case DECODETYPESW:
if (! (cp = *argp++) || *cp == '-') {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
fx.decodetypes = cp;
continue;
+ case DECODEHEADERFIELDBODIESSW:
+ if (! (cp = *argp++) || *cp == '-') {
+ die("missing argument to %s", argp[-2]);
+ }
+ fx.decodeheaderfieldbodies = cp;
+ if (strcasecmp (cp, "utf-8") && strcasecmp (cp, "utf8")) {
+ /* Because UTF-8 strings can't have embedded nulls. Other
+ encodings support that, too, but we won't bother to
+ enumerate them. */
+ die("-decodeheaderfieldbodies only supports utf-8");
+ }
+ continue;
+ case NDECODEHEADERFIELDBODIESSW:
+ fx.decodeheaderfieldbodies = NULL;
+ continue;
case CRLFLINEBREAKSSW:
fx.lf_line_endings = 0;
continue;
continue;
case TEXTCHARSETSW:
if (! (cp = *argp++) || (*cp == '-' && cp[1])) {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
fx.textcharset = cp;
continue;
continue;
case FIXTYPESW:
if (! (cp = *argp++) || (*cp == '-' && cp[1])) {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
if (! strncasecmp (cp, "multipart/", 10) ||
! strncasecmp (cp, "message/", 8))
- adios (NULL, "-fixtype %s not allowed", cp);
+ die("-fixtype %s not allowed", cp);
if (! strchr (cp, '/'))
- adios (NULL, "-fixtype requires type/subtype");
+ die("-fixtype requires type/subtype");
if (fx.fixtypes == NULL) { fx.fixtypes = svector_create (10); }
svector_push_back (fx.fixtypes, cp);
continue;
continue;
case FILESW:
if (! (cp = *argp++) || (*cp == '-' && cp[1])) {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
file = *cp == '-' ? mh_xstrdup (cp) : path (cp, TFILE);
continue;
case OUTFILESW:
if (! (cp = *argp++) || (*cp == '-' && cp[1])) {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
outfile = *cp == '-' ? mh_xstrdup (cp) : path (cp, TFILE);
continue;
case RPROCSW:
if (!(rmmproc = *argp++) || *rmmproc == '-') {
- adios (NULL, "missing argument to %s", argp[-2]);
+ die("missing argument to %s", argp[-2]);
}
continue;
case NRPRCSW:
rmmproc = NULL;
continue;
case CHGSW:
- chgflag = 1;
+ chgflag = true;
continue;
case NCHGSW:
- chgflag = 0;
+ chgflag = false;
continue;
case VERBSW:
verbosw = 1;
}
if (*cp == '+' || *cp == '@') {
if (folder)
- adios (NULL, "only one folder at a time!");
+ die("only one folder at a time!");
folder = pluspath (cp);
} else {
if (*cp == '/') {
* Read the standard profile setup
*/
if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
- readconfig ((struct node **) 0, fp, cp, 0);
+ readconfig(NULL, fp, cp, 0);
fclose (fp);
}
- suppress_bogus_mp_content_warning = skip_mp_cte_check = 1;
- suppress_extraneous_trailing_semicolon_warning = 1;
+ suppress_bogus_mp_content_warning = skip_mp_cte_check = true;
+ suppress_extraneous_trailing_semicolon_warning = true;
if (! context_find ("path")) {
free (path ("./", TFOLDER));
}
if (file && msgs.size) {
- adios (NULL, "cannot specify msg and file at same time!");
+ die("cannot specify msg and file at same time!");
}
if (outfile) {
int fd;
char *cp;
- using_stdin = 1;
+ using_stdin = true;
if ((cp = m_mktemp2 (NULL, invo_name, &fd, NULL)) == NULL) {
- adios (NULL, "unable to create temporary file in %s",
+ die("unable to create temporary file in %s",
get_temp_dir());
} else {
free (file);
if (close (fd)) {
(void) m_unlink (file);
- adios (NULL, "failed to write temporary file");
+ die("failed to write temporary file");
}
}
/* read folder and create message structure */
if (! (mp = folder_read (folder, 1))) {
- adios (NULL, "unable to read folder %s", folder);
+ die("unable to read folder %s", folder);
}
/* check for empty folder */
if (mp->nummsg == 0) {
- adios (NULL, "no messages in %s", folder);
+ die("no messages in %s", folder);
}
/* parse all the message ranges/sequences and set SELECTED */
status = 1;
}
- mh_xfree(maildir);
+ free(maildir);
free (cts);
if (fx.fixtypes != NULL) { svector_free (fx.fixtypes); }
*/
static int
mhfixmsgsbr (CT *ctp, char *maildir, const fix_transformations *fx,
- FILE **infp, char *outfile, FILE **outfp) {
+ FILE **infp, char *outfile, FILE **outfp)
+{
/* Store input filename in case one of the transformations, i.e.,
fix_boundary(), rewrites to a tmp file. */
char *input_filename = maildir
? concat (maildir, "/", (*ctp)->c_file, NULL)
: mh_xstrdup ((*ctp)->c_file);
- int modify_inplace = 0;
+ bool modify_inplace = false;
int message_mods = 0;
int status = OK;
}
if (outfile == NULL) {
- modify_inplace = 1;
+ modify_inplace = true;
if ((*ctp)->c_file) {
char *tempfile;
/* outfp will be closed by the caller */
if ((tempfile = m_mktemp2 (NULL, invo_name, NULL, outfp)) ==
NULL) {
- adios (NULL, "unable to create temporary file in %s",
+ die("unable to create temporary file in %s",
get_temp_dir());
}
outfile = mh_xstrdup (tempfile);
} else {
- adios (NULL, "missing both input and output filenames\n");
+ die("missing both input and output filenames\n");
}
} /* else *outfp was defined by caller */
&message_mods);
update_cte (*ctp);
}
+ if (status == OK && fx->decodeheaderfieldbodies) {
+ status = decode_header_field_bodies(*ctp, &message_mods);
+ }
if (status == OK && fx->textcharset != NULL) {
status = convert_charsets (*ctp, fx->textcharset, &message_mods);
}
*/
static int
copy_input_to_output (const char *input_filename, FILE *infp,
- const char *output_filename, FILE *outfp) {
+ const char *output_filename, FILE *outfp)
+{
int in = fileno (infp);
int out = fileno (outfp);
int status = OK;
* Fix mismatched outer level boundary.
*/
static int
-fix_boundary (CT *ct, int *message_mods) {
+fix_boundary (CT *ct, int *message_mods)
+{
struct multipart *mp;
int status = OK;
* Find boundary at end of multipart.
*/
static int
-get_multipart_boundary (CT ct, char **part_boundary) {
+get_multipart_boundary (CT ct, char **part_boundary)
+{
char buffer[NMH_BUFSIZ];
char *end_boundary = NULL;
off_t begin = (off_t) ct->c_end > (off_t) (ct->c_begin + sizeof buffer)
* Open and copy ct->c_file to file, replacing the multipart boundary.
*/
static int
-replace_boundary (CT ct, char *file, char *boundary) {
+replace_boundary (CT ct, char *file, char *boundary)
+{
FILE *fpin, *fpout;
int compnum, state;
char buf[NMH_BUFSIZ], name[NAMESZ];
fprintf (fpout, "%s:%s%s\n", np, new_ctline,
FENDNULL(new_params));
free(new_ctline);
- mh_xfree(new_params);
+ free(new_params);
}
free (vp);
* Fix Content-Type header to reflect the content of its part.
*/
static int
-fix_types (CT ct, svector_t fixtypes, int *message_mods) {
+fix_types (CT ct, svector_t fixtypes, int *message_mods)
+{
int status = OK;
switch (ct->c_type) {
* Replace a substring, allocating space to hold the new one.
*/
char *
-replace_substring (char **str, const char *old, const char *new) {
+replace_substring (char **str, const char *old, const char *new)
+{
char *cp;
if ((cp = strstr (*str, old))) {
* Remove a name=value parameter, given just its name, from a header value.
*/
char *
-remove_parameter (char *str, const char *name) {
+remove_parameter (char *str, const char *name)
+{
/* It looks to me, based on the BNF in RFC 2045, than there can't
be whitespace between the parameter name and the "=", or
between the "=" and the parameter value. */
* 8 bit.
*/
static int
-fix_composite_cte (CT ct, int *message_mods) {
+fix_composite_cte (CT ct, int *message_mods)
+{
int status = OK;
if (ct->c_type == CT_MESSAGE || ct->c_type == CT_MULTIPART) {
for (hf = ct->c_first_hf; hf; hf = hf->next) {
char *name = hf->name;
- for (; *name && isspace ((unsigned char) *name); ++name) {
+ for (; isspace((unsigned char)*name); ++name) {
continue;
}
* Set content encoding.
*/
static int
-set_ce (CT ct, int encoding) {
+set_ce (CT ct, int encoding)
+{
const char *ce = ce_str (encoding);
const struct str2init *ctinit = get_ce_method (ce);
if (ctinit) {
char *cte = concat (" ", ce, "\n", NULL);
- int found_cte = 0;
+ bool found_cte = false;
HF hf;
/* Decoded contents might be in ct->c_cefile.ce_file, if the
caller is decode_text_parts (). Save because we'll
/* Update/add Content-Transfer-Encoding header field. */
for (hf = ct->c_first_hf; hf; hf = hf->next) {
if (! strcasecmp (ENCODING_FIELD, hf->name)) {
- found_cte = 1;
+ found_cte = true;
free (hf->value);
hf->value = cte;
}
* Make sure each text part has a corresponding text/plain part.
*/
static int
-ensure_text_plain (CT *ct, CT parent, int *message_mods, int replacetextplain) {
+ensure_text_plain (CT *ct, CT parent, int *message_mods, int replacetextplain)
+{
int status = OK;
switch ((*ct)->c_type) {
*/
static int
find_textplain_sibling (CT parent, int replacetextplain,
- int *new_subpart_number) {
+ int *new_subpart_number)
+{
struct multipart *mp = (struct multipart *) parent->c_ctparams;
struct part *part, *prev;
- int has_text_plain = 0;
+ bool has_text_plain = false;
for (prev = part = mp->mp_parts; part; part = part->mp_next) {
++*new_subpart_number;
free_content (old_part->mp_part);
free (old_part);
} else {
- has_text_plain = 1;
+ has_text_plain = true;
}
break;
}
* Insert a new text/plain part.
*/
static int
-insert_new_text_plain_part (CT ct, int new_subpart_number, CT parent) {
+insert_new_text_plain_part (CT ct, int new_subpart_number, CT parent)
+{
struct multipart *mp = (struct multipart *) parent->c_ctparams;
struct part *new_part;
* Create a text/plain part to go along with non-plain sibling part.
*/
static CT
-build_text_plain_part (CT encoded_part) {
+build_text_plain_part (CT encoded_part)
+{
CT tp_part = divide_part (encoded_part);
char *tmp_plain_file = NULL;
* Slip new text/plain part into a new multipart/alternative.
*/
static int
-insert_into_new_mp_alt (CT *ct, int *message_mods) {
+insert_into_new_mp_alt (CT *ct, int *message_mods)
+{
CT tp_part = build_text_plain_part (*ct);
int status = OK;
* Clone a MIME part.
*/
static CT
-divide_part (CT ct) {
+divide_part (CT ct)
+{
CT new_part;
NEW0(new_part);
* Copy the content info from one part to another.
*/
static void
-copy_ctinfo (CI dest, CI src) {
+copy_ctinfo (CI dest, CI src)
+{
PM s_pm, d_pm;
dest->ci_type = src->ci_type ? mh_xstrdup (src->ci_type) : NULL;
* Decode content.
*/
static int
-decode_part (CT ct) {
+decode_part (CT ct)
+{
char *tmp_decoded;
int status;
FILE *file;
char *tempfile;
if ((tempfile = m_mktemp2 (NULL, invo_name, NULL, &file)) == NULL) {
- adios (NULL, "unable to create temporary file in %s", get_temp_dir());
+ die("unable to create temporary file in %s", get_temp_dir());
}
tmp_decoded = mh_xstrdup (tempfile);
/* The following call will load ct->c_cefile.ce_file with the tmp
* be in the future for other than text types.
*/
static int
-reformat_part (CT ct, char *file, char *type, char *subtype, int c_type) {
+reformat_part (CT ct, char *file, char *type, char *subtype, int c_type)
+{
int output_subtype, output_encoding;
const char *reason = NULL;
char *cp, *cf;
* Fill in a multipart/alternative part.
*/
static CT
-build_multipart_alt (CT first_alt, CT new_part, int type, int subtype) {
+build_multipart_alt (CT first_alt, CT new_part, int type, int subtype)
+{
char *boundary_prefix = "----=_nmh-multipart";
char *boundary = concat (boundary_prefix, first_alt->c_partno, NULL);
char *boundary_indicator = "; boundary=";
boundary_in_content (&new_part->c_cefile.ce_fp,
new_part->c_cefile.ce_file,
boundary)) == NOTOK) {
- free_content (ct);
- return NULL;
+ goto return_null;
}
}
boundary_in_content (&new_part->c_fp,
new_part->c_file,
boundary)) == NOTOK) {
- free_content (ct);
- return NULL;
+ goto return_null;
}
}
if (found_boundary) {
inform("giving up trying to find a unique boundary");
- free_content (ct);
- return NULL;
+ goto return_null;
}
}
free (boundary);
return ct;
+
+return_null:
+ free_content(ct);
+ free(boundary);
+ return NULL;
}
* Check that the boundary does not appear in the content.
*/
static int
-boundary_in_content (FILE **fp, char *file, const char *boundary) {
+boundary_in_content (FILE **fp, char *file, const char *boundary)
+{
char buffer[NMH_BUFSIZ];
size_t bytes_read;
- int found_boundary = 0;
+ bool found_boundary = false;
/* free_content() will close *fp if we fopen it here. */
if (! *fp && (*fp = fopen (file, "r")) == NULL) {
fseeko (*fp, 0L, SEEK_SET);
while ((bytes_read = fread (buffer, 1, sizeof buffer, *fp)) > 0) {
if (find_str (buffer, bytes_read, boundary)) {
- found_boundary = 1;
+ found_boundary = true;
break;
}
}
* Remove all non-Content headers.
*/
static void
-transfer_noncontent_headers (CT old, CT new) {
+transfer_noncontent_headers (CT old, CT new)
+{
HF hp, hp_prev;
hp_prev = hp = old->c_first_hf;
* Set content type.
*/
static int
-set_ct_type (CT ct, int type, int subtype, int encoding) {
+set_ct_type (CT ct, int type, int subtype, int encoding)
+{
char *typename = ct_type_str (type);
char *subtypename = ct_subtype_str (type, subtype);
/* E.g, " text/plain" */
char *type_subtypename = concat (" ", typename, "/", subtypename, NULL);
/* E.g, " text/plain\n" */
char *name_plus_nl = concat (type_subtypename, "\n", NULL);
- int found_content_type = 0;
+ bool found_content_type = false;
HF hf;
const char *cp = NULL;
char *ctline;
/* Update/add Content-Type header field. */
for (hf = ct->c_first_hf; hf; hf = hf->next) {
if (! strcasecmp (TYPE_FIELD, hf->name)) {
- found_content_type = 1;
+ found_content_type = true;
free (hf->value);
hf->value = (cp = strchr (ct->c_ctline, ';'))
? concat (type_subtypename, cp, "\n", NULL)
*/
static int
decode_text_parts (CT ct, int encoding, const char *decodetypes,
- int *message_mods) {
+ int *message_mods)
+{
int status = OK;
int lf_line_endings = 0;
* decodetypes (which came from the -decodetypes switch).
*/
static int
-should_decode(const char *decodetypes, const char *type, const char *subtype) {
+should_decode(const char *decodetypes, const char *type, const char *subtype)
+{
/* Quick search for matching type[/subtype] in decodetypes: bracket
decodetypes with commas, then search for ,type, and ,type/subtype, in
it. */
- int found_match = 0;
+ bool found_match = false;
char *delimited_decodetypes = concat(",", decodetypes, ",", NULL);
char *delimited_type = concat(",", type, ",", NULL);
if (nmh_strcasestr(delimited_decodetypes, delimited_type)) {
- found_match = 1;
+ found_match = true;
} else if (subtype != NULL) {
char *delimited_type_subtype =
concat(",", type, "/", subtype, ",", NULL);
if (nmh_strcasestr(delimited_decodetypes, delimited_type_subtype)) {
- found_match = 1;
+ found_match = true;
}
free(delimited_type_subtype);
}
* to a string explaining why.
*/
static int
-content_encoding (CT ct, const char **reason) {
+content_encoding (CT ct, const char **reason)
+{
CE ce = &ct->c_cefile;
int encoding = CE_7BIT;
* Strip carriage returns from content.
*/
static int
-strip_crs (CT ct, int *message_mods) {
+strip_crs (CT ct, int *message_mods)
+{
char *charset = content_charset (ct);
int status = OK;
FILE **fp = NULL;
size_t begin;
size_t end;
- int has_crs = 0;
- int opened_input_file = 0;
+ bool has_crs = false;
+ bool opened_input_file = false;
if (ct->c_cefile.ce_file) {
file = &ct->c_cefile.ce_file;
advise (*file, "unable to open for reading");
status = NOTOK;
} else {
- opened_input_file = 1;
+ opened_input_file = true;
}
}
}
modify the content. */
char *cp;
size_t i;
- int last_char_was_cr = 0;
+ bool last_char_was_cr = false;
if (end > 0) { bytes_to_read -= bytes_read; }
for (i = 0, cp = buffer; i < bytes_read; ++i, ++cp) {
if (*cp == '\n' && last_char_was_cr) {
- has_crs = 1;
+ has_crs = true;
break;
}
char *tempfile = m_mktemp2 (NULL, invo_name, &fd, NULL);
if (tempfile == NULL) {
- adios (NULL, "unable to create temporary file in %s",
+ die("unable to create temporary file in %s",
get_temp_dir());
}
stripped_content_file = mh_xstrdup (tempfile);
0) {
char *cp;
size_t i;
- int last_char_was_cr = 0;
+ bool last_char_was_cr = false;
for (i = 0, cp = buffer; i < bytes_read; ++i, ++cp) {
if (*cp == '\r') {
- last_char_was_cr = 1;
+ last_char_was_cr = true;
} else if (last_char_was_cr) {
if (*cp != '\n') {
if (write (fd, "\r", 1) < 0) {
if (write (fd, cp, 1) < 0) {
advise (tempfile, "write");
}
- last_char_was_cr = 0;
+ last_char_was_cr = false;
} else {
if (write (fd, cp, 1) < 0) {
advise (tempfile, "write");
}
- last_char_was_cr = 0;
+ last_char_was_cr = false;
}
}
}
inform("unable to write temporary file %s, continuing...",
stripped_content_file);
(void) m_unlink (stripped_content_file);
+ free(stripped_content_file);
status = NOTOK;
} else {
/* Replace the decoded file with the converted one. */
if (ct->c_cefile.ce_file && ct->c_cefile.ce_unlink)
(void) m_unlink (ct->c_cefile.ce_file);
- mh_xfree(ct->c_cefile.ce_file);
+ free(ct->c_cefile.ce_file);
ct->c_cefile.ce_file = stripped_content_file;
ct->c_cefile.ce_unlink = 1;
* of the part C-T-E's.
*/
static void
-update_cte (CT ct) {
+update_cte (CT ct)
+{
const int least_restrictive_enc = least_restrictive_encoding (ct);
if (least_restrictive_enc != CE_UNKNOWN &&
least_restrictive_enc != CE_7BIT) {
char *cte = concat (" ", ce_str (least_restrictive_enc), "\n", NULL);
HF hf;
- int found_cte = 0;
+ bool found_cte = false;
/* Update/add Content-Transfer-Encoding header field. */
for (hf = ct->c_first_hf; hf; hf = hf->next) {
if (! strcasecmp (ENCODING_FIELD, hf->name)) {
- found_cte = 1;
+ found_cte = true;
free (hf->value);
hf->value = cte;
}
* within a message.
*/
static int
-least_restrictive_encoding (CT ct) {
+least_restrictive_encoding (CT ct)
+{
int encoding = CE_UNKNOWN;
switch (ct->c_type) {
* CE_8BIT is less restrictive than CE_7BIT.
*/
static int
-less_restrictive (int encoding, int second_encoding) {
+less_restrictive (int encoding, int second_encoding)
+{
switch (second_encoding) {
case CE_BINARY:
return encoding != CE_BINARY;
* Convert character set of each part.
*/
static int
-convert_charsets (CT ct, char *dest_charset, int *message_mods) {
+convert_charsets (CT ct, char *dest_charset, int *message_mods)
+{
int status = OK;
switch (ct->c_type) {
* headers, respectively.
*/
static int
-fix_always (CT ct, int *message_mods) {
+fix_always (CT ct, int *message_mods)
+{
int status = OK;
switch (ct->c_type) {
}
+/*
+ * Decodes UTF-8 encoded header values. Similar to fix_filename_param(), but
+ * does not modify any MIME parameter values.
+ */
+static int
+decode_header_field_bodies (CT ct, int *message_mods)
+{
+ int status = OK;
+
+ switch (ct->c_type) {
+ case CT_MULTIPART: {
+ struct multipart *m = (struct multipart *) ct->c_ctparams;
+ struct part *part;
+
+ for (part = m->mp_parts; status == OK && part; part = part->mp_next) {
+ status = decode_header_field_bodies (part->mp_part, message_mods);
+ }
+ break;
+ }
+
+ case CT_MESSAGE:
+ if (ct->c_subtype == MESSAGE_EXTERNAL) {
+ struct exbody *e = (struct exbody *) ct->c_ctparams;
+
+ status = decode_header_field_bodies (e->eb_content, message_mods);
+ }
+ break;
+ }
+
+ HF hf;
+
+ for (hf = ct->c_first_hf; hf; hf = hf->next) {
+ /* Only decode UTF-8 values. */
+ if (hf->value && has_suffix(hf->value, "?=\n") &&
+ (! strncasecmp (hf->value, " =?utf8?", 8) ||
+ ! strncasecmp (hf->value, " =?utf-8?", 9))) {
+ /* Looks like an RFC 2047 encoded parameter. */
+ char decoded[PATH_MAX + 1];
+
+ if (decode_rfc2047 (hf->value, decoded, sizeof decoded)) {
+ const size_t len = strlen(decoded);
+
+ /* decode_rfc2047() could truncate if the buffer fills up.
+ Detect and discard if that happened. */
+ if (len < sizeof(decoded) - 1 && strcmp(hf->value, decoded)) {
+ hf->value = mh_xrealloc (hf->value, len + 1);
+ strncpy (hf->value, decoded, len + 1);
+ ++*message_mods;
+ }
+ } else {
+ inform("failed to decode %s parameter %s", hf->name, hf->value);
+ status = NOTOK;
+ }
+ }
+ }
+
+ return status;
+}
+
+
/*
* Factor out common code for loops in fix_filename_encoding().
*/
static int
-fix_filename_param (char *name, char *value, PM *first_pm, PM *last_pm) {
- int fixed = 0;
+fix_filename_param (char *name, char *value, PM *first_pm, PM *last_pm)
+{
+ bool fixed = false;
if (has_prefix(value, "=?") && has_suffix(value, "?=")) {
/* Looks like an RFC 2047 encoded parameter. */
if (decode_rfc2047 (value, decoded, sizeof decoded)) {
/* Encode using RFC 2231. */
replace_param (first_pm, last_pm, name, decoded, 0);
- fixed = 1;
+ fixed = true;
} else {
inform("failed to decode %s parameter %s", name, value);
}
* headers, respectively.
*/
static int
-fix_filename_encoding (CT ct) {
+fix_filename_encoding (CT ct)
+{
PM pm;
HF hf;
int fixed = 0;
*/
static int
write_content (CT ct, const char *input_filename, char *outfile, FILE *outfp,
- int modify_inplace, int message_mods) {
+ int modify_inplace, int message_mods)
+{
int status = OK;
if (modify_inplace) {
* function to do it. It touches the parts the decodetypes identifies.
*/
static void
-set_text_ctparams(CT ct, char *decodetypes, int lf_line_endings) {
+set_text_ctparams(CT ct, char *decodetypes, int lf_line_endings)
+{
switch (ct->c_type) {
case CT_MULTIPART: {
struct multipart *m = (struct multipart *) ct->c_ctparams;
* use the standard MH backup file.
*/
static int
-remove_file (const char *file) {
+remove_file (const char *file)
+{
if (rmmproc) {
char *rmm_command = concat (rmmproc, " ", file, NULL);
int status = system (rmm_command);
* Output formatted message to user.
*/
static void
-report (char *what, char *partno, char *filename, char *message, ...) {
+report (char *what, char *partno, char *filename, char *message, ...)
+{
va_list args;
char *fmt;
projects / nmh / blobdiff