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freebsd-ports/mail/mh/files/patch-ae
Paul Traina 53496fae1c time to go to sleep...call file by right name
1996-10-13 08:39:51 +00:00

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The following patches enable RFC1342 compatible decoding of header fields
for non-ascii character sets.
Additional tips:
setenv MM_CHARSET <rfc1342 charset>
setenv LC_TYPE <proper locale>
e.g. setenv MM_CHARSET KOI8-R
setenv LC_TYPE ru_RU.KOI8-R
or setenv MM_CHARSET iso-8859-1
setenv LC_TYPE iso_8859_1
Change your mhl.format to read so that the new code will be invoked on
interesting fields when you do a "show":
From:formatfield="%(comp{text})"
Reply-To:formatfield="%(comp{text})"
To:formatfield="%(comp{text})"
cc:formatfield="%(comp{text})"
---------------------------------------------------------
--- conf/FreeBSD.orig Sat Oct 12 23:04:23 1996
+++ conf/FreeBSD Sat Oct 12 23:36:19 1996
@@ -18,7 +20,7 @@
options BSD42 BSD43 BSD44 WAITINT UNISTD VSPRINTF MORE='"/usr/bin/more"'
options NORUSERPASS DBMPWD POSIX NTOHLSWAP SYS5DIR OVERHEAD MSGID FCNTL
options BIND MIME SENDMTS SMTP WHATNOW ZONEINFO
-options GCOS_HACK RENAME LOCALE
+options GCOS_HACK RENAME LOCALE RFC1342
# If you want POP support, this will help you get started, but feel
# free to customize it.
--- conf/makefiles/sbr.864 Sun Oct 13 01:15:28 1996
+++ conf/makefiles/sbr Sun Oct 13 01:15:50 1996
@@ -50,7 +50,7 @@
ruserpass.c \
@END: NORUSERPASS
showfile.c smatch.c sprintb.c ssequal.c strindex.c trimcpy.c \
- uleq.c uprf.c vfgets.c formatdef.c m_msgdef.c
+ uleq.c uprf.c vfgets.c formatdef.c m_msgdef.c rfc1342.c
OFILES = add.o adios.o admonish.o addrsbr.o advertise.o advise.o \
@@ -69,7 +69,7 @@
ruserpass.o \
@END: NORUSERPASS
showfile.o smatch.o sprintb.o ssequal.o strindex.o trimcpy.o \
- uleq.o uprf.o vfgets.o formatdef.o m_msgdef.o
+ uleq.o uprf.o vfgets.o formatdef.o m_msgdef.o rfc1342.o
@BEGIN: SHAREDLIB
ODEFS = formatdef.o m_msgdef.o
--- sbr/formatsbr.c.orig Sat Oct 12 23:05:07 1996
+++ sbr/formatsbr.c Sun Oct 13 00:08:31 1996
@@ -114,13 +114,13 @@
*/
static int match (str, sub)
-register char *str,
- *sub;
+register unsigned char *str,
+ *sub;
{
register int c1;
register int c2;
- register char *s1;
- register char *s2;
+ register unsigned char *s1;
+ register unsigned char *s2;
#ifdef LOCALE
while (c1 = *sub) {
@@ -203,14 +203,14 @@
i++;\
}\
} else {\
- while ((c = *sp) && (iscntrl(c) || isspace(c)))\
+ while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
sp++;\
}\
- while ((c = *sp++) && --i >= 0 && cp < ep)\
+ while ((c = (unsigned char) *sp++) && --i >= 0 && cp < ep)\
if (isgraph(c)) \
*cp++ = c;\
else {\
- while ((c = *sp) && (iscntrl(c) || isspace(c)))\
+ while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
sp++;\
*cp++ = ' ';\
}\
@@ -221,13 +221,13 @@
}
#define PUTS(cp, str) {\
if (sp = (str)) {\
- while ((c = *sp) && (iscntrl(c) || isspace(c)))\
+ while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
sp++;\
- while((c = *sp++) && cp < ep)\
+ while((c = (unsigned char) *sp++) && cp < ep)\
if (isgraph(c)) \
*cp++ = c;\
else {\
- while ((c = *sp) && (iscntrl(c) || isspace(c)))\
+ while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
sp++;\
*cp++ = ' ';\
}\
@@ -358,15 +358,30 @@
long l;
char *savestr;
char buffer[BUFSIZ];
+ char workbuff[BUFSIZ];
while (cp < ep) {
switch (fmt->f_type) {
case FT_COMP:
+#ifdef RFC1342
+ str = fmt->f_comp->c_text;
+ if (maybe_decode_rfc1342(str, buffer))
+ str = buffer;
+ PUTS (cp, str);
+#else
PUTS (cp, fmt->f_comp->c_text);
+#endif
break;
case FT_COMPF:
+#ifdef RFC1342
+ str = fmt->f_comp->c_text;
+ if (maybe_decode_rfc1342(str, buffer))
+ str = buffer;
+ PUTSF (cp, str, fmt->f_width, fmt->f_fill);
+#else
PUTSF (cp, fmt->f_comp->c_text, fmt->f_width, fmt->f_fill);
+#endif
break;
case FT_LIT:
@@ -500,6 +515,10 @@
case FT_LS_COMP:
str = fmt->f_comp->c_text;
+#ifdef RFC1342
+ if (maybe_decode_rfc1342(str, buffer))
+ str = buffer;
+#endif
break;
case FT_LS_LIT:
str = fmt->f_text;
@@ -722,6 +741,10 @@
else
break;
}
+#ifdef RFC1342
+ if (maybe_decode_rfc1342(str, workbuff))
+ str = workbuff;
+#endif /* RFC1342 */
if (*str)
break;
}
@@ -744,6 +767,10 @@
break;
}
}
+#ifdef RFC1342
+ if (maybe_decode_rfc1342(str, workbuff))
+ str = workbuff;
+#endif /* RFC1342 */
#endif /* BERK */
break;
--- /dev/null Sat Oct 12 23:27:32 1996
+++ sbr/rfc1342.c Sun Oct 13 00:02:22 1996
@@ -0,0 +1,184 @@
+/* rfc1342.c */
+/*
+ * Decode RFC1342 header format
+ */
+
+#ifdef RFC1342
+static char hexindex[] = {
+ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1,
+ -1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ -1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
+};
+
+static char index_64[128] = {
+ -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
+ -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
+ -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
+ 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1,-1,-1,-1,
+ -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
+ 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
+ -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
+ 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
+};
+
+#define char64(c) (((c) < 0 || (c) > 127) ? -1 : index_64[(c)])
+
+static int
+unqp (byte1, byte2)
+ char byte1;
+ char byte2;
+{
+ if (hexindex[byte1] == -1 || hexindex[byte2] == -1)
+ return -1;
+ return hexindex[byte1]<<4 | hexindex[byte2];
+}
+
+int
+maybe_decode_rfc1342 (src, dst)
+ char *src;
+ char *dst;
+{
+ static char *mm_charset = 0;
+ static char *alt_charset = 0;
+ extern char *getenv();
+ char *p;
+ char *q;
+ char *pp;
+ char *startofmime = 0;
+ char *endofmime = 0;
+ int c;
+ int quoted_printable;
+
+ if (!mm_charset) {
+ mm_charset = getenv ("MM_CHARSET");
+ if (mm_charset && strcasecmp(mm_charset, "iso-8859-1") == 0) {
+ alt_charset = "us-ascii"; /* Accept a common subset */
+ }
+ }
+ if (!mm_charset || src == 0)
+ return 0;
+
+ for (p = src, q = dst; *p; p++) {
+ *q++ = *p;
+ if (*p == '=' && p[1] && p[1] == '?' && p[2]) {
+ /* Have: =? */
+ startofmime = p + 2;
+ if (strncasecmp(startofmime, mm_charset,
+ strlen(mm_charset)) == 0) {
+ startofmime += strlen (mm_charset);
+ } else if (alt_charset &&
+ (strncasecmp(startofmime, alt_charset,
+ strlen(alt_charset)) == 0)) {
+ startofmime += strlen (alt_charset);
+ } else {
+ continue;
+ }
+ /* Have: =?charset */
+ if (startofmime[0] != '?')
+ continue;
+ /* Have: =?charset? */
+ startofmime++;
+ if (*startofmime != 'B' &&
+ *startofmime != 'b' &&
+ *startofmime != 'Q' &&
+ *startofmime != 'q')
+ continue;
+ /* Have: =?charset?E */
+ quoted_printable = *startofmime == 'Q' ||
+ *startofmime == 'q';;
+ startofmime++;
+ if (*startofmime != '?')
+ continue;
+ /* Have: =?charset?E? */
+ startofmime++;
+ for (pp = startofmime; *pp && *(pp+1); pp++)
+ if (*pp == '?' && pp[1] == '=') {
+ endofmime = pp;
+ break;
+ }
+ /* Have: =?charset?E?text?= */
+ if (endofmime) {
+ q--;
+ if (quoted_printable)
+ for (pp = startofmime; pp < endofmime; pp++) {
+ if (*pp == '=') {
+ c = unqp (pp[1], pp[2]);
+ if ( c == -1)
+ continue;
+ if ( c != 0)
+ *q++ = c;
+ pp += 2;
+ } else if (*pp == '_')
+ *q++ = ' ';
+ else
+ *q++ = *pp;
+ }
+ else { /* base64 */
+ int c1, c2, c3, c4;
+ pp = startofmime;
+ while (pp < endofmime) {
+ /* 6 + 2 bits */
+ while ((pp < endofmime) &&
+ ((c1 = char64(*pp)) == -1)) {
+ pp++;
+ }
+ if (pp < endofmime) {
+ pp++;
+ }
+ while ((pp < endofmime) &&
+ ((c2 = char64(*pp)) == -1)) {
+ pp++;
+ }
+ if (pp < endofmime && c1 != -1 && c2 != -1) {
+ *q++ = (c1 << 2) | (c2 >> 4);
+ pp++;
+ }
+ /* 4 + 4 bits */
+ while ((pp < endofmime) &&
+ ((c3 = char64(*pp)) == -1)) {
+ pp++;
+ }
+ if (pp < endofmime && c2 != -1 && c3 != -1) {
+ *q++ = ((c2 & 0xF) << 4) | (c3 >> 2);
+ pp++;
+ }
+ /* 2 + 6 bits */
+ while ((pp < endofmime) &&
+ ((c4 = char64(*pp)) == -1)) {
+ pp++;
+ }
+ if (pp < endofmime && c3 != -1 && c4 != -1) {
+ *q++ = ((c3 & 0x3) << 6) | (c4);
+ pp++;
+ }
+ }
+ }
+ p = endofmime + 1;
+ if (*p == ' ')
+ p++;
+ }
+ }
+ }
+ *q = 0;
+ return endofmime != 0;
+}
+#endif
+
+#ifdef notdef /* For debugging */
+int
+main(argc, argv)
+ int argc;
+ char **argv;
+{
+ char buff[100];
+ if (maybe_decode_rfc1342 (argv[1], buff))
+ puts (buff);
+ else
+ puts ("NEI!");
+}
+#endif
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