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-rw-r--r--contrib/sendmail/src/headers.c71
1 files changed, 28 insertions, 43 deletions
diff --git a/contrib/sendmail/src/headers.c b/contrib/sendmail/src/headers.c
index e57a91d..03472ac 100644
--- a/contrib/sendmail/src/headers.c
+++ b/contrib/sendmail/src/headers.c
@@ -12,12 +12,14 @@
*/
#ifndef lint
-static char id[] = "@(#)$Id: headers.c,v 8.203.4.10 2000/10/13 17:54:30 gshapiro Exp $";
+static char id[] = "@(#)$Id: headers.c,v 8.203.4.7 2000/08/22 21:50:36 gshapiro Exp $";
#endif /* ! lint */
+/* $FreeBSD$ */
+
#include <sendmail.h>
-static size_t fix_mime_header __P((char *));
+static bool fix_mime_header __P((char *));
static int priencode __P((char *));
static void put_vanilla_header __P((HDR *, char *, MCI *));
@@ -164,7 +166,7 @@ chompheader(line, pflag, hdrp, e)
goto hse;
}
- setbitn(bitidx(*p), mopts);
+ setbitn(*p, mopts);
cond = TRUE;
p++;
}
@@ -344,8 +346,7 @@ hse:
free(sp);
define(macid("{currHeader}", NULL), newstr(qval), e);
define(macid("{hdr_name}", NULL), newstr(fname), e);
- (void) rscheck(rs, fvalue, NULL, e, stripcom, TRUE, 4,
- NULL);
+ (void) rscheck(rs, fvalue, NULL, e, stripcom, TRUE, 4);
}
}
@@ -1389,18 +1390,14 @@ putheader(mci, hdr, e, flags)
wordinclass(h->h_field,
macid("{checkMIMEFieldHeaders}", NULL)))
{
- size_t len;
-
- len = fix_mime_header(h->h_value);
- if (len > 0)
+ if (fix_mime_header(h->h_value))
{
sm_syslog(LOG_ALERT, e->e_id,
- "Truncated MIME %s header due to field size (length = %ld) (possible attack)",
- h->h_field, (unsigned long) len);
+ "Truncated MIME %s header due to field size (possible attack)",
+ h->h_field);
if (tTd(34, 11))
- dprintf(" truncated MIME %s header due to field size (length = %ld) (possible attack)\n",
- h->h_field,
- (unsigned long) len);
+ dprintf(" truncated MIME %s header due to field size (possible attack)\n",
+ h->h_field);
}
}
@@ -1408,19 +1405,15 @@ putheader(mci, hdr, e, flags)
wordinclass(h->h_field,
macid("{checkMIMETextHeaders}", NULL)))
{
- size_t len;
-
- len = strlen(h->h_value);
- if (len > (size_t) MaxMimeHeaderLength)
+ if (strlen(h->h_value) > (size_t)MaxMimeHeaderLength)
{
h->h_value[MaxMimeHeaderLength - 1] = '\0';
sm_syslog(LOG_ALERT, e->e_id,
- "Truncated long MIME %s header (length = %ld) (possible attack)",
- h->h_field, (unsigned long) len);
+ "Truncated long MIME %s header (possible attack)",
+ h->h_field);
if (tTd(34, 11))
- dprintf(" truncated long MIME %s header (length = %ld) (possible attack)\n",
- h->h_field,
- (unsigned long) len);
+ dprintf(" truncated long MIME %s header (possible attack)\n",
+ h->h_field);
}
}
@@ -1428,19 +1421,14 @@ putheader(mci, hdr, e, flags)
wordinclass(h->h_field,
macid("{checkMIMEHeaders}", NULL)))
{
- size_t len;
-
- len = strlen(h->h_value);
- if (shorten_rfc822_string(h->h_value,
- MaxMimeHeaderLength))
+ if (shorten_rfc822_string(h->h_value, MaxMimeHeaderLength))
{
sm_syslog(LOG_ALERT, e->e_id,
- "Truncated long MIME %s header (length = %ld) (possible attack)",
- h->h_field, (unsigned long) len);
+ "Truncated long MIME %s header (possible attack)",
+ h->h_field);
if (tTd(34, 11))
- dprintf(" truncated long MIME %s header (length = %ld) (possible attack)\n",
- h->h_field,
- (unsigned long) len);
+ dprintf(" truncated long MIME %s header (possible attack)\n",
+ h->h_field);
}
}
@@ -1471,7 +1459,7 @@ putheader(mci, hdr, e, flags)
if (bitset(H_CHECK|H_ACHECK, h->h_flags) &&
!bitintersect(h->h_mflags, mci->mci_mailer->m_flags) &&
(h->h_macro == '\0' ||
- macvalue(bitidx(h->h_macro), e) == NULL))
+ macvalue(h->h_macro & 0377, e) == NULL))
{
if (tTd(34, 11))
dprintf(" (skipped)\n");
@@ -1833,23 +1821,22 @@ copyheader(header)
** string -- the full header
**
** Returns:
-** length of last offending field, 0 if all ok.
+** TRUE if the header was modified, FALSE otherwise
**
** Side Effects:
** string modified in place
*/
-static size_t
+static bool
fix_mime_header(string)
char *string;
{
+ bool modified = FALSE;
char *begin = string;
char *end;
- size_t len = 0;
- size_t retlen = 0;
if (string == NULL || *string == '\0')
- return 0;
+ return FALSE;
/* Split on each ';' */
while ((end = find_character(begin, ';')) != NULL)
@@ -1859,11 +1846,9 @@ fix_mime_header(string)
*end = '\0';
- len = strlen(begin);
-
/* Shorten individual parameter */
if (shorten_rfc822_string(begin, MaxMimeFieldLength))
- retlen = len;
+ modified = TRUE;
/* Collapse the possibly shortened string with rest */
bp = begin + strlen(begin);
@@ -1887,5 +1872,5 @@ fix_mime_header(string)
/* Move past ';' */
begin = end + 1;
}
- return retlen;
+ return modified;
}
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