/*
* burst.c -- explode digests into individual 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/mh.h>
+#include <h/utils.h>
+#include <h/mhparse.h>
+
+#define BURST_SWITCHES \
+ X("inplace", 0, INPLSW) \
+ X("noinplace", 0, NINPLSW) \
+ X("mime", 0, MIMESW) \
+ X("nomime", 0, NMIMESW) \
+ X("automime", 0, AUTOMIMESW) \
+ X("quiet", 0, QIETSW) \
+ X("noquiet", 0, NQIETSW) \
+ X("verbose", 0, VERBSW) \
+ X("noverbose", 0, NVERBSW) \
+ X("version", 0, VERSIONSW) \
+ X("help", 0, HELPSW) \
+
+#define X(sw, minchars, id) id,
+DEFINE_SWITCH_ENUM(BURST);
+#undef X
+
+#define X(sw, minchars, id) { sw, minchars, id },
+DEFINE_SWITCH_ARRAY(BURST, switches);
+#undef X
-static struct swit switches[] = {
-#define INPLSW 0
- { "inplace", 0 },
-#define NINPLSW 1
- { "noinplace", 0 },
-#define QIETSW 2
- { "quiet", 0 },
-#define NQIETSW 3
- { "noquiet", 0 },
-#define VERBSW 4
- { "verbose", 0 },
-#define NVERBSW 5
- { "noverbose", 0 },
-#define VERSIONSW 6
- { "version", 0 },
-#define HELPSW 7
- { "help", 4 },
- { NULL, 0 }
+struct smsg {
+ off_t s_start;
+ off_t s_stop;
};
-static char delim3[] = "-------";
+/*
+ * For the MIME parsing routines
+ */
-struct smsg {
- long s_start;
- long s_stop;
-};
+int debugsw = 0;
/*
* static prototypes
*/
-static int find_delim (int, struct smsg *);
-static void burst (struct msgs **, int, struct smsg *, int, int, int);
-static void cpybrst (FILE *, FILE *, char *, char *, int);
+static int find_delim (int, struct smsg *, int *);
+static void find_mime_parts (CT, struct smsg *, int *);
+static void burst (struct msgs **, int, struct smsg *, int, int, int,
+ char *, int);
+static void cpybrst (FILE *, FILE *, char *, char *, int, int);
+
+/*
+ * A macro to check to see if we have reached a message delimiter
+ * (an encapsulation boundary, EB, in RFC 934 parlance).
+ *
+ * According to RFC 934, an EB is simply a line which starts with
+ * a "-" and is NOT followed by a space. So even a single "-" on a line
+ * by itself would be an EB.
+ */
+#define CHECKDELIM(buffer) (buffer[0] == '-' && buffer[1] != ' ')
int
main (int argc, char **argv)
{
- int inplace = 0, quietsw = 0, verbosw = 0;
- int msgp = 0, hi, msgnum, numburst;
+ int inplace = 0, quietsw = 0, verbosw = 0, mimesw = 1;
+ int hi, msgnum, numburst;
char *cp, *maildir, *folder = NULL, buf[BUFSIZ];
- char **argp, **arguments, *msgs[MAXARGS];
+ char **argp, **arguments;
+ struct msgs_array msgs = { 0, 0, NULL };
struct smsg *smsgs;
struct msgs *mp;
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
+ if (nmh_init(argv[0], 1)) { return 1; }
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
invo_name);
print_help (buf, switches, 1);
- done (1);
+ done (0);
case VERSIONSW:
print_version(invo_name);
- done (1);
+ done (0);
case INPLSW:
inplace++;
inplace = 0;
continue;
+ case MIMESW:
+ mimesw = 2;
+ continue;
+ case NMIMESW:
+ mimesw = 0;
+ continue;
+ case AUTOMIMESW:
+ mimesw = 1;
+ continue;
+
case QIETSW:
quietsw++;
continue;
if (folder)
adios (NULL, "only one folder at a time!");
else
- folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
+ folder = pluspath (cp);
} else {
- msgs[msgp++] = cp;
+ app_msgarg(&msgs, cp);
}
}
if (!context_find ("path"))
free (path ("./", TFOLDER));
- if (!msgp)
- msgs[msgp++] = "cur";
+ if (!msgs.size)
+ app_msgarg(&msgs, "cur");
if (!folder)
folder = getfolder (1);
maildir = m_maildir (folder);
adios (maildir, "unable to change directory to");
/* read folder and create message structure */
- if (!(mp = folder_read (folder)))
+ if (!(mp = folder_read (folder, 1)))
adios (NULL, "unable to read folder %s", folder);
/* check for empty folder */
adios (NULL, "no messages in %s", folder);
/* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < msgp; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
+ for (msgnum = 0; msgnum < msgs.size; msgnum++)
+ if (!m_convert (mp, msgs.msgs[msgnum]))
done (1);
seq_setprev (mp); /* set the previous-sequence */
smsgs = (struct smsg *)
- calloc ((size_t) (MAXFOLDER + 2), sizeof(*smsgs));
+ mh_xcalloc ((size_t) (MAXFOLDER + 2), sizeof(*smsgs));
if (smsgs == NULL)
adios (NULL, "unable to allocate burst storage");
/* burst all the SELECTED messages */
for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
if (is_selected (mp, msgnum)) {
- if ((numburst = find_delim (msgnum, smsgs)) >= 1) {
+ if ((numburst = find_delim (msgnum, smsgs, &mimesw)) >= 1) {
if (verbosw)
printf ("%d message%s exploded from digest %d\n",
numburst, numburst > 1 ? "s" : "", msgnum);
- burst (&mp, msgnum, smsgs, numburst, inplace, verbosw);
+ burst (&mp, msgnum, smsgs, numburst, inplace, verbosw,
+ maildir, mimesw);
} else {
if (numburst == 0) {
if (!quietsw)
seq_save (mp); /* synchronize message sequences */
context_save (); /* save the context file */
folder_free (mp); /* free folder/message structure */
- return done (0);
+ done (0);
+ return 1;
}
/*
* Scan the message and find the beginning and
* end of all the messages in the digest.
+ *
+ * If requested, see if the message is MIME-formatted and contains any
+ * message/rfc822 parts; if so, burst those parts.
*/
static int
-find_delim (int msgnum, struct smsg *smsgs)
+find_delim (int msgnum, struct smsg *smsgs, int *mimesw)
{
- int ld3, wasdlm, msgp;
- long pos;
+ int wasdlm = 0, msgp;
+ off_t pos;
char c, *msgnam;
- int cc;
char buffer[BUFSIZ];
FILE *in;
+ CT content;
- ld3 = strlen (delim3);
+ msgnam = m_name (msgnum);
- if ((in = fopen (msgnam = m_name (msgnum), "r")) == NULL)
+ /*
+ * If mimesw is 1 or 2, try to see if it's got proper MIME formatting.
+ */
+
+ if (*mimesw > 0) {
+ content = parse_mime(msgnam);
+ if (! content && *mimesw == 2)
+ return 0;
+ else if (content) {
+ smsgs[0].s_start = 0;
+ smsgs[0].s_stop = content->c_begin - 1;
+ msgp = 1;
+ find_mime_parts(content, smsgs, &msgp);
+ free_content(content);
+ if (msgp == 1 && *mimesw == 2) {
+ adios (msgnam, "does not have any message/rfc822 parts");
+ } else if (msgp > 1) {
+ *mimesw = 1;
+ return (msgp - 1);
+ }
+ }
+ }
+
+ *mimesw = 0;
+
+ if ((in = fopen (msgnam, "r")) == NULL)
adios (msgnam, "unable to read message");
for (msgp = 0, pos = 0L; msgp <= MAXFOLDER;) {
+ /*
+ * We're either at the beginning of the whole message, or
+ * we're just past the delimiter of the last message.
+ * Swallow lines until we get to something that's not a newline
+ */
while (fgets (buffer, sizeof(buffer), in) && buffer[0] == '\n')
pos += (long) strlen (buffer);
if (feof (in))
break;
- fseek (in, pos, SEEK_SET);
+
+ /*
+ * Reset to the beginning of the last non-blank line, and save our
+ * starting position. This is where the encapsulated message
+ * starts.
+ */
+ fseeko (in, pos, SEEK_SET);
smsgs[msgp].s_start = pos;
+ /*
+ * Read in lines until we get to a message delimiter.
+ *
+ * Previously we checked to make sure the preceding line and
+ * next line was a newline. That actually does not comply with
+ * RFC 934, so make sure we break on a message delimiter even
+ * if the previous character was NOT a newline.
+ */
for (c = 0; fgets (buffer, sizeof(buffer), in); c = buffer[0]) {
- if (strncmp (buffer, delim3, ld3) == 0
- && (msgp == 1 || c == '\n')
- && ((cc = peekc (in)) == '\n' || cc == EOF))
+ if ((wasdlm = CHECKDELIM(buffer)))
break;
else
pos += (long) strlen (buffer);
}
- wasdlm = strncmp (buffer, delim3, ld3) == 0;
- if (smsgs[msgp].s_start != pos)
+ /*
+ * Only count as a new message if we got the message delimiter.
+ * Swallow a blank line if it was right before the message delimiter.
+ */
+ if (smsgs[msgp].s_start != pos && wasdlm)
smsgs[msgp++].s_stop = (c == '\n' && wasdlm) ? pos - 1 : pos;
+
if (feof (in)) {
#if 0
if (wasdlm) {
}
fclose (in);
- return (msgp - 1); /* toss "End of XXX Digest" */
+ return (msgp - 1); /* return the number of messages burst */
+}
+
+
+/*
+ * Find any MIME content in the message that is a message/rfc822 and add
+ * it to the list of messages to burst.
+ */
+
+static void
+find_mime_parts (CT content, struct smsg *smsgs, int *msgp)
+{
+ struct multipart *m;
+ struct part *part;
+
+ /*
+ * If we have a message/rfc822, then it's easy.
+ */
+
+ if (content->c_type == CT_MESSAGE &&
+ content->c_subtype == MESSAGE_RFC822) {
+ smsgs[*msgp].s_start = content->c_begin;
+ smsgs[*msgp].s_stop = content->c_end;
+ (*msgp)++;
+ return;
+ }
+
+ /*
+ * Otherwise, if we do have multiparts, try all of the sub-parts.
+ */
+
+ if (content->c_type == CT_MULTIPART) {
+ m = (struct multipart *) content->c_ctparams;
+
+ for (part = m->mp_parts; part; part = part->mp_next)
+ find_mime_parts(part->mp_part, smsgs, msgp);
+ }
+
+ return;
}
static void
burst (struct msgs **mpp, int msgnum, struct smsg *smsgs, int numburst,
- int inplace, int verbosw)
+ int inplace, int verbosw, char *maildir, int mimesw)
{
int i, j, mode;
char *msgnam;
if ((in = fopen (msgnam = m_name (msgnum), "r")) == NULL)
adios (msgnam, "unable to read message");
- mode = fstat (fileno(in), &st) != NOTOK ? (st.st_mode & 0777) : m_gmprot();
+ mode =
+ fstat (fileno(in), &st) != NOTOK ? (int) (st.st_mode & 0777) : m_gmprot();
mp = *mpp;
/*
* If -inplace is given, renumber the messages after the
* source message, to make room for each of the messages
* contained within the digest.
+ *
+ * This is equivalent to refiling a message from the point
+ * of view of the external hooks.
*/
if (inplace) {
for (i = mp->hghmsg; j > msgnum; i--, j--) {
if (rename (f2, f1) == NOTOK)
admonish (f1, "unable to rename %s to", f2);
+
+ (void)snprintf(f1, sizeof (f1), "%s/%d", maildir, i);
+ (void)snprintf(f2, sizeof (f2), "%s/%d", maildir, j);
+ ext_hook("ref-hook", f1, f2);
+
copy_msg_flags (mp, i, j);
clear_msg_flags (mp, j);
mp->msgflags |= SEQMOD;
unset_selected (mp, msgnum);
- /* new hghmsg is hghmsg + numburst */
+ /* new hghmsg is hghmsg + numburst
+ *
+ * At this point, there is an array of numburst smsgs, each element of
+ * which contains the starting and stopping offsets (seeks) of the message
+ * in the digest. The inplace flag is set if the original digest is replaced
+ * by a message containing the table of contents. smsgs[0] is that table of
+ * contents. Go through the message numbers in reverse order (high to low).
+ *
+ * Set f1 to the name of the destination message, f2 to the name of a scratch
+ * file. Extract a message from the digest to the scratch file. Move the
+ * original message to a backup file if the destination message number is the
+ * same as the number of the original message, which only happens if the
+ * inplace flag is set. Then move the scratch file to the destination message.
+ *
+ * Moving the original message to the backup file is equivalent to deleting the
+ * message from the point of view of the external hooks. And bursting each
+ * message is equivalent to adding a new message.
+ */
+
i = inplace ? msgnum + numburst : mp->hghmsg;
for (j = numburst; j >= (inplace ? 0 : 1); i--, j--) {
+ char *tempfile;
+
+ if ((tempfile = m_mktemp2(NULL, invo_name, NULL, &out)) == NULL) {
+ adios(NULL, "unable to create temporary file in %s",
+ get_temp_dir());
+ }
+ strncpy (f2, tempfile, sizeof(f2));
strncpy (f1, m_name (i), sizeof(f1));
- strncpy (f2, m_scratch ("", invo_name), sizeof(f2));
+
if (verbosw && i != msgnum)
printf ("message %d of digest %d becomes message %d\n", j, msgnum, i);
- if ((out = fopen (f2, "w")) == NULL)
- adios (f2, "unable to write message");
chmod (f2, mode);
- fseek (in, smsgs[j].s_start, SEEK_SET);
+ fseeko (in, smsgs[j].s_start, SEEK_SET);
cpybrst (in, out, msgnam, f2,
- (int) (smsgs[j].s_stop - smsgs[j].s_start));
+ (int) (smsgs[j].s_stop - smsgs[j].s_start), mimesw);
fclose (out);
if (i == msgnum) {
strncpy (f3, m_backup (f1), sizeof(f3));
if (rename (f1, f3) == NOTOK)
admonish (f3, "unable to rename %s to", f1);
+
+ (void)snprintf(f3, sizeof (f3), "%s/%d", maildir, i);
+ ext_hook("del-hook", f3, (char *)0);
}
if (rename (f2, f1) == NOTOK)
admonish (f1, "unable to rename %s to", f2);
+
+ (void)snprintf(f3, sizeof (f3), "%s/%d", maildir, i);
+ ext_hook("add-hook", f3, (char *)0);
+
copy_msg_flags (mp, i, msgnum);
mp->msgflags |= SEQMOD;
}
#define S1 0
#define S2 1
#define S3 2
+#define S4 3
/*
- * Copy a mesage which is being burst out of a digest.
+ * Copy a message which is being burst out of a digest.
* It will remove any "dashstuffing" in the message.
*/
static void
-cpybrst (FILE *in, FILE *out, char *ifile, char *ofile, int len)
+cpybrst (FILE *in, FILE *out, char *ifile, char *ofile, int len, int mime)
{
register int c, state;
- for (state = S1; (c = fgetc (in)) != EOF && len > 0; len--) {
+ for (state = mime ? S4 : S1; (c = fgetc (in)) != EOF && len > 0; len--) {
if (c == 0)
continue;
switch (state) {
break;
}
break;
+
+ case S4:
+ fputc (c, out);
+ break;
}
}
projects / nmh / blobdiff