/*
* mhparse.c -- routines to parse the contents of MIME messages
*
- * $Id$
- *
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
#include <h/signals.h>
#include <h/md5.h>
#include <errno.h>
-#include <setjmp.h>
#include <signal.h>
#include <h/mts.h>
#include <h/tws.h>
#include <h/mhparse.h>
#include <h/utils.h>
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
-
extern int debugsw;
-extern int endian; /* mhmisc.c */
-
extern pid_t xpid; /* mhshowsbr.c */
/* cache policies */
{ NULL, TEXT_UNKNOWN } /* this one must be last! */
};
-struct k2v Charset[] = {
- { "us-ascii", CHARSET_USASCII },
- { "iso-8859-1", CHARSET_LATIN },
- { NULL, CHARSET_UNKNOWN } /* this one must be last! */
-};
+/* Charset[] removed -- yozo. Mon Oct 8 01:03:41 JST 2012 */
/*
* Structures for MULTIPART messages
};
-/* ftpsbr.c */
-int ftp_get (char *, char *, char *, char *, char *, char *, int, int);
-
/* mhcachesbr.c */
int find_cache (CT, int, int *, char *, char *, int);
/* mhmisc.c */
int part_ok (CT, int);
int type_ok (CT, int);
-int make_intermediates (char *);
void content_error (char *, CT, char *, ...);
/* mhfree.c */
* Check if file is actually standard input
*/
if ((is_stdin = !(strcmp (file, "-")))) {
- file = add (m_tmpfil (invo_name), NULL);
- if ((fp = fopen (file, "w+")) == NULL) {
- advise (file, "unable to fopen for writing and reading");
- return NULL;
- }
+ char *tfile = m_mktemp2(NULL, invo_name, NULL, &fp);
+ if (tfile == NULL) {
+ advise("mhparse", "unable to create temporary file");
+ return NULL;
+ }
+ file = add (tfile, NULL);
chmod (file, 0600);
+
while (fgets (buffer, sizeof(buffer), stdin))
fputs (buffer, fp);
fflush (fp);
char *np, *vp;
CT ct;
HF hp;
+ m_getfld_state_t gstate = 0;
/* allocate the content structure */
if (!(ct = (CT) calloc (1, sizeof(*ct))))
* Parse the header fields for this
* content into a linked list.
*/
- for (compnum = 1, state = FLD;;) {
- switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
+ m_getfld_track_filepos (&gstate, in);
+ for (compnum = 1;;) {
+ int bufsz = sizeof buf;
+ switch (state = m_getfld (&gstate, name, buf, &bufsz, in)) {
case FLD:
case FLDPLUS:
- case FLDEOF:
compnum++;
/* get copies of the buffers */
/* if necessary, get rest of field */
while (state == FLDPLUS) {
- state = m_getfld (state, name, buf, sizeof(buf), in);
+ bufsz = sizeof buf;
+ state = m_getfld (&gstate, name, buf, &bufsz, in);
vp = add (buf, vp); /* add to previous value */
}
/* Now add the header data to the list */
add_header (ct, np, vp);
- /* continue, if this isn't the last header field */
- if (state != FLDEOF) {
- ct->c_begin = ftell (in) + 1;
- continue;
- }
- /* else fall... */
+ /* continue, to see if this isn't the last header field */
+ ct->c_begin = ftell (in) + 1;
+ continue;
case BODY:
- case BODYEOF:
ct->c_begin = ftell (in) - strlen (buf);
break;
/* break out of the loop */
break;
}
+ m_getfld_state_destroy (&gstate);
/*
* Read the content headers. We will parse the
static int
InitGeneric (CT ct)
{
+ NMH_UNUSED (ct);
+
return OK; /* not much to do here */
}
InitText (CT ct)
{
char buffer[BUFSIZ];
- char *chset;
+ char *chset = NULL;
char **ap, **ep, *cp;
struct k2v *kv;
struct text *t;
/* check if content specified a character set */
if (*ap) {
- /* match character set or set to CHARSET_UNKNOWN */
- for (kv = Charset; kv->kv_key; kv++)
- if (!mh_strcasecmp (*ep, kv->kv_key))
- break;
- t->tx_charset = kv->kv_value;
+ chset = *ep;
+ t->tx_charset = CHARSET_SPECIFIED;
} else {
t->tx_charset = CHARSET_UNSPECIFIED;
}
*/
if (ct->c_encoding != CE_7BIT && ct->c_encoding != CE_8BIT
&& ct->c_encoding != CE_BINARY) {
+ /* Copy the Content-Transfer-Encoding header field body so we can
+ remove any trailing whitespace and leading blanks from it. */
+ char *cte = add (ct->c_celine ? ct->c_celine : "(null)", NULL);
+
+ bp = cte + strlen (cte) - 1;
+ while (bp >= cte && isspace (*bp)) *bp-- = '\0';
+ for (bp = cte; *bp && isblank (*bp); ++bp) continue;
+
admonish (NULL,
- "\"%s/%s\" type in message %s must be encoded in 7bit, 8bit, or binary",
- ci->ci_type, ci->ci_subtype, ct->c_file);
+ "\"%s/%s\" type in message %s must be encoded in\n"
+ "7bit, 8bit, or binary, per RFC 2045 (6.4). One workaround "
+ "is to\nmanually edit the file and change the \"%s\"\n"
+ "Content-Transfer-Encoding to one of those. For now",
+ ci->ci_type, ci->ci_subtype, ct->c_file, bp);
+ free (cte);
+
return NOTOK;
}
openBase64 (CT ct, char **file)
{
int bitno, cc, digested;
- int fd, len, skip;
- unsigned long bits;
- unsigned char value, *b, *b1, *b2, *b3;
+ int fd, len, skip, own_ct_fp = 0;
+ uint32_t bits;
+ unsigned char value, b;
unsigned char *cp, *ep;
char buffer[BUFSIZ];
/* sbeck -- handle suffixes */
CE ce;
MD5_CTX mdContext;
- b = (unsigned char *) &bits;
- b1 = &b[endian > 0 ? 1 : 2];
- b2 = &b[endian > 0 ? 2 : 1];
- b3 = &b[endian > 0 ? 3 : 0];
-
ce = ct->c_cefile;
if (ce->ce_fp) {
fseek (ce->ce_fp, 0L, SEEK_SET);
}
if (*file == NULL) {
- ce->ce_file = add (m_scratch ("", tmp), NULL);
+ ce->ce_file = add (m_mktemp(tmp, NULL, NULL), NULL);
ce->ce_unlink = 1;
} else {
ce->ce_file = add (*file, NULL);
ci->ci_type);
cp = context_find (buffer);
}
- if (cp != NULL && *cp != '\0')
- ce->ce_file = add (cp, ce->ce_file);
+ if (cp != NULL && *cp != '\0') {
+ if (ce->ce_unlink) {
+ /* Temporary file already exists, so we rename to
+ version with extension. */
+ char *file_org = strdup(ce->ce_file);
+ ce->ce_file = add (cp, ce->ce_file);
+ if (rename(file_org, ce->ce_file)) {
+ adios (ce->ce_file, "unable to rename %s to ", file_org);
+ }
+ free(file_org);
+
+ } else {
+ ce->ce_file = add (cp, ce->ce_file);
+ }
+ }
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
content_error (ce->ce_file, ct, "unable to fopen for reading/writing");
if ((len = ct->c_end - ct->c_begin) < 0)
adios (NULL, "internal error(1)");
- if (!ct->c_fp && (ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
- content_error (ct->c_file, ct, "unable to open for reading");
- return NOTOK;
+ if (! ct->c_fp) {
+ if ((ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
+ content_error (ct->c_file, ct, "unable to open for reading");
+ return NOTOK;
+ }
+ own_ct_fp = 1;
}
if ((digested = ct->c_digested))
bits |= value << bitno;
test_end:
if ((bitno -= 6) < 0) {
- putc ((char) *b1, ce->ce_fp);
+ b = (bits >> 16) & 0xff;
+ putc ((char) b, ce->ce_fp);
if (digested)
- MD5Update (&mdContext, b1, 1);
+ MD5Update (&mdContext, &b, 1);
if (skip < 2) {
- putc ((char) *b2, ce->ce_fp);
+ b = (bits >> 8) & 0xff;
+ putc ((char) b, ce->ce_fp);
if (digested)
- MD5Update (&mdContext, b2, 1);
+ MD5Update (&mdContext, &b, 1);
if (skip < 1) {
- putc ((char) *b3, ce->ce_fp);
+ b = bits & 0xff;
+ putc ((char) b, ce->ce_fp);
if (digested)
- MD5Update (&mdContext, b3, 1);
+ MD5Update (&mdContext, &b, 1);
}
}
ready_to_go:
*file = ce->ce_file;
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
return fileno (ce->ce_fp);
clean_up:
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
free_encoding (ct, 0);
return NOTOK;
}
static int
openQuoted (CT ct, char **file)
{
- int cc, digested, len, quoted;
+ int cc, digested, len, quoted, own_ct_fp = 0;
unsigned char *cp, *ep;
char buffer[BUFSIZ];
unsigned char mask;
}
if (*file == NULL) {
- ce->ce_file = add (m_scratch ("", tmp), NULL);
+ ce->ce_file = add (m_mktemp(tmp, NULL, NULL), NULL);
ce->ce_unlink = 1;
} else {
ce->ce_file = add (*file, NULL);
ci->ci_type);
cp = context_find (buffer);
}
- if (cp != NULL && *cp != '\0')
- ce->ce_file = add (cp, ce->ce_file);
-
- if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
- content_error (ce->ce_file, ct, "unable to fopen for reading/writing");
- return NOTOK;
+ if (cp != NULL && *cp != '\0') {
+ if (ce->ce_unlink) {
+ /* Temporary file already exists, so we rename to
+ version with extension. */
+ char *file_org = strdup(ce->ce_file);
+ ce->ce_file = add (cp, ce->ce_file);
+ if (rename(file_org, ce->ce_file)) {
+ adios (ce->ce_file, "unable to rename %s to ", file_org);
+ }
+ free(file_org);
+
+ } else {
+ ce->ce_file = add (cp, ce->ce_file);
+ }
}
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
if ((len = ct->c_end - ct->c_begin) < 0)
adios (NULL, "internal error(2)");
- if (!ct->c_fp && (ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
- content_error (ct->c_file, ct, "unable to open for reading");
- return NOTOK;
+ if (! ct->c_fp) {
+ if ((ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
+ content_error (ct->c_file, ct, "unable to open for reading");
+ return NOTOK;
+ }
+ own_ct_fp = 1;
}
if ((digested = ct->c_digested))
ready_to_go:
*file = ce->ce_file;
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
return fileno (ce->ce_fp);
clean_up:
free_encoding (ct, 0);
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
return NOTOK;
}
int
open7Bit (CT ct, char **file)
{
- int cc, fd, len;
+ int cc, fd, len, own_ct_fp = 0;
char buffer[BUFSIZ];
/* sbeck -- handle suffixes */
char *cp;
}
if (*file == NULL) {
- ce->ce_file = add (m_scratch ("", tmp), NULL);
+ ce->ce_file = add (m_mktemp(tmp, NULL, NULL), NULL);
ce->ce_unlink = 1;
} else {
ce->ce_file = add (*file, NULL);
ci->ci_type);
cp = context_find (buffer);
}
- if (cp != NULL && *cp != '\0')
- ce->ce_file = add (cp, ce->ce_file);
+ if (cp != NULL && *cp != '\0') {
+ if (ce->ce_unlink) {
+ /* Temporary file already exists, so we rename to
+ version with extension. */
+ char *file_org = strdup(ce->ce_file);
+ ce->ce_file = add (cp, ce->ce_file);
+ if (rename(file_org, ce->ce_file)) {
+ adios (ce->ce_file, "unable to rename %s to ", file_org);
+ }
+ free(file_org);
+
+ } else {
+ ce->ce_file = add (cp, ce->ce_file);
+ }
+ }
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
content_error (ce->ce_file, ct, "unable to fopen for reading/writing");
if ((len = ct->c_end - ct->c_begin) < 0)
adios (NULL, "internal error(3)");
- if (!ct->c_fp && (ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
- content_error (ct->c_file, ct, "unable to open for reading");
- return NOTOK;
+ if (! ct->c_fp) {
+ if ((ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
+ content_error (ct->c_file, ct, "unable to open for reading");
+ return NOTOK;
+ }
+ own_ct_fp = 1;
}
lseek (fd = fileno (ct->c_fp), (off_t) ct->c_begin, SEEK_SET);
ready_to_go:
*file = ce->ce_file;
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
return fileno (ce->ce_fp);
clean_up:
free_encoding (ct, 0);
+ if (own_ct_fp) {
+ fclose (ct->c_fp);
+ ct->c_fp = NULL;
+ }
return NOTOK;
}
if ((ftp = context_find (nmhaccessftp)) && !*ftp)
ftp = NULL;
-#ifndef BUILTIN_FTP
if (!ftp)
return NOTOK;
-#endif
switch (openExternal (e->eb_parent, e->eb_content, ce, file, &fd)) {
case NOTOK:
if (e->eb_flags) {
user = "anonymous";
- snprintf (buffer, sizeof(buffer), "%s@%s", getusername (), LocalName ());
+ snprintf (buffer, sizeof(buffer), "%s@%s", getusername (),
+ LocalName (1));
pass = buffer;
} else {
ruserpass (e->eb_site, &username, &password);
else if (caching)
ce->ce_file = add (cachefile, NULL);
else
- ce->ce_file = add (m_scratch ("", tmp), NULL);
+ ce->ce_file = add (m_mktemp(tmp, NULL, NULL), NULL);
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
content_error (ce->ce_file, ct, "unable to fopen for reading/writing");
return NOTOK;
}
-#ifdef BUILTIN_FTP
- if (ftp)
-#endif
{
int child_id, i, vecp;
char *vec[9];
fflush (stdout);
- for (i = 0; (child_id = vfork ()) == NOTOK && i < 5; i++)
+ for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
sleep (5);
switch (child_id) {
case NOTOK:
default:
if (pidXwait (child_id, NULL)) {
-#ifdef BUILTIN_FTP
-losing_ftp:
-#endif
username = password = NULL;
ce->ce_unlink = 1;
return NOTOK;
break;
}
}
-#ifdef BUILTIN_FTP
- else
- if (ftp_get (e->eb_site, user, pass, e->eb_dir, e->eb_name,
- ce->ce_file,
- e->eb_mode && !mh_strcasecmp (e->eb_mode, "ascii"), 0)
- == NOTOK)
- goto losing_ftp;
-#endif
if (cachefile[0]) {
if (caching)
vec[vecp++] = e->eb_body;
vec[vecp] = NULL;
- for (i = 0; (child_id = vfork ()) == NOTOK && i < 5; i++)
+ for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
sleep (5);
switch (child_id) {
case NOTOK:
}
if (*file == NULL) {
- ce->ce_file = add (m_scratch ("", tmp), NULL);
+ ce->ce_file = add (m_mktemp(tmp, NULL, NULL), NULL);
ce->ce_unlink = 1;
} else {
ce->ce_file = add (*file, NULL);
readDigest (CT ct, char *cp)
{
int bitno, skip;
- unsigned long bits;
+ uint32_t bits;
char *bp = cp;
unsigned char *dp, value, *ep;
- unsigned char *b, *b1, *b2, *b3;
- b = (unsigned char *) &bits,
- b1 = &b[endian > 0 ? 1 : 2],
- b2 = &b[endian > 0 ? 2 : 1],
- b3 = &b[endian > 0 ? 3 : 0];
bitno = 18;
bits = 0L;
skip = 0;
if ((bitno -= 6) < 0) {
if (dp + (3 - skip) > ep)
goto invalid_digest;
- *dp++ = *b1;
+ *dp++ = (bits >> 16) & 0xff;
if (skip < 2) {
- *dp++ = *b2;
+ *dp++ = (bits >> 8) & 0xff;
if (skip < 1)
- *dp++ = *b3;
+ *dp++ = bits & 0xff;
}
bitno = 18;
bits = 0L;
projects / nmh / blobdiff