- unlink (distfile);
-
- /*
- * Get rid of any temporary files that we created for attachments. Also get rid of
- * the renamed composition file that mhbuild leaves as a turd. It looks confusing,
- * but we use the body file name to help build the renamed composition file name.
- */
-
- if (drft == composition_file_name) {
- clean_up_temporary_files();
-
- if (strlen(composition_file_name) >= sizeof (composition_file_name) - 6)
- advise((char *)0, "unable to remove original composition file.");
-
- else {
- if ((p = strrchr(composition_file_name, '/')) == (char *)0)
- p = composition_file_name;
- else
- p++;
-
- (void)strcpy(body_file_name, p);
- *p++ = ',';
- (void)strcpy(p, body_file_name);
- (void)strcat(p, ".orig");
-
- (void)unlink(composition_file_name);
- }
- }
-
- return status;
-}
-
-static int
-attach(char *attachment_header_field_name, char *draft_file_name,
- int attachformat)
-{
- char buf[PATH_MAX + 6]; /* miscellaneous buffer */
- int c; /* current character for body copy */
- int has_attachment; /* draft has at least one attachment */
- int has_body; /* draft has a message body */
- int length; /* length of attachment header field name */
- char *p; /* miscellaneous string pointer */
- FILE *fp; /* pointer for mhn.defaults */
-
- /*
- * Open up the draft file.
- */
-
- if ((draft_file = fopen(draft_file_name, "r")) == (FILE *)0)
- adios((char *)0, "can't open draft file `%s'.", draft_file_name);
-
- /*
- * Allocate a buffer to hold the header components as they're read in.
- * This buffer might need to be quite large, so we grow it as needed.
- */
-
- field = (char *)mh_xmalloc(field_size = 256);
-
- /*
- * Scan the draft file for a header field name that matches the -attach
- * argument. The existence of one indicates that the draft has attachments.
- * Bail out if there are no attachments because we're done. Read to the
- * end of the headers even if we have no attachments.
- */
-
- length = strlen(attachment_header_field_name);
-
- has_attachment = 0;
-
- while (get_line() != EOF && *field != '\0' && *field != '-')
- if (strncasecmp(field, attachment_header_field_name, length) == 0 && field[length] == ':')
- has_attachment = 1;
-
- if (has_attachment == 0)
- return (DONE);
-
- /*
- * We have at least one attachment. Look for at least one non-blank line
- * in the body of the message which indicates content in the body.
- */
-
- has_body = 0;
-
- while (get_line() != EOF) {
- for (p = field; *p != '\0'; p++) {
- if (*p != ' ' && *p != '\t') {
- has_body = 1;
- break;
- }
- }
-
- if (has_body)
- break;
- }
-
- /*
- * Make names for the temporary files.
- */
-
- (void)strncpy(body_file_name,
- m_mktemp(m_maildir(invo_name), NULL, NULL),
- sizeof (body_file_name));
- (void)strncpy(composition_file_name,
- m_mktemp(m_maildir(invo_name), NULL, NULL),
- sizeof (composition_file_name));
-
- if (has_body)
- body_file = fopen(body_file_name, "w");
-
- composition_file = fopen(composition_file_name, "w");
-
- if ((has_body && body_file == (FILE *)0) || composition_file == (FILE *)0) {
- clean_up_temporary_files();
- adios((char *)0, "unable to open all of the temporary files.");
- }
-
- /*
- * Start at the beginning of the draft file. Copy all non-attachment header fields
- * to the temporary composition file. Then add the dashed line separator.
- */
-
- rewind(draft_file);
-
- while (get_line() != EOF && *field != '\0' && *field != '-')
- if (strncasecmp(field, attachment_header_field_name, length) != 0 || field[length] != ':')
- (void)fprintf(composition_file, "%s\n", field);
-
- (void)fputs("--------\n", composition_file);
-
- /*
- * Copy the message body to a temporary file.
- */
-
- if (has_body) {
- while ((c = getc(draft_file)) != EOF)
- putc(c, body_file);
-
- (void)fclose(body_file);
- }
-
- /*
- * Add a mhbuild MIME composition file line for the body if there was one.
- * Set the default content type to text/plain so that mhbuild takes care
- * of any necessary encoding.
- */
-
- if (has_body)
- make_mime_composition_file_entry(body_file_name, attachformat,
- "text/plain");
-
- /*
- * Now, go back to the beginning of the draft file and look for header fields
- * that specify attachments. Add a mhbuild MIME composition file for each.
- */
-
- if ((fp = fopen (p = etcpath ("mhn.defaults"), "r"))) {
- readconfig ((struct node **) NULL, fp, p, 0);
- fclose(fp);
- }
-
- rewind(draft_file);
-
- while (get_line() != EOF && *field != '\0' && *field != '-') {
- if (strncasecmp(field, attachment_header_field_name, length) == 0 && field[length] == ':') {
- for (p = field + length + 1; *p == ' ' || *p == '\t'; p++)
- ;
-
- /* Don't set the default content type so take
- make_mime_composition_file_entry() will try to infer it
- from the file type. */
- make_mime_composition_file_entry(p, attachformat, 0);
- }
- }
-
- (void)fclose(composition_file);
-
- /*
- * We're ready to roll! Run mhbuild on the composition file. Note that mhbuild
- * is in the context as buildmimeproc.
- */
-
- (void)sprintf(buf, "%s %s", buildmimeproc, composition_file_name);
-
- if (system(buf) != 0) {
- clean_up_temporary_files();
- return (NOTOK);
- }
-
- return (OK);
-}
-
-static void
-clean_up_temporary_files(void)
-{
- (void)unlink(body_file_name);
- (void)unlink(composition_file_name);
-
- return;
-}
-
-static int
-get_line(void)
-{
- int c; /* current character */
- int n; /* number of bytes in buffer */
- char *p; /* buffer pointer */
-
- /*
- * Get a line from the input file, growing the field buffer as needed. We do this
- * so that we can fit an entire line in the buffer making it easy to do a string
- * comparison on both the field name and the field body which might be a long path
- * name.
- */
-
- for (n = 0, p = field; (c = getc(draft_file)) != EOF; *p++ = c) {
- if (c == '\n' && (c = getc(draft_file)) != ' ' && c != '\t') {
- (void)ungetc(c, draft_file);
- c = '\n';
- break;
- }
-
- if (++n >= field_size - 1) {
- field = (char *)mh_xrealloc((void *)field, field_size += 256);
-
- p = field + n - 1;
- }
- }
-
- /*
- * NUL-terminate the field..
- */
-
- *p = '\0';
-
- return (c);
-}
-
-static void
-make_mime_composition_file_entry(char *file_name, int attachformat,
- char *default_content_type)
-{
- int binary; /* binary character found flag */
- int c; /* current character */
- char cmd[PATH_MAX + 6]; /* file command buffer */
- char *content_type; /* mime content type */
- FILE *fp; /* content and pipe file pointer */
- struct node *np; /* context scan node pointer */
- char *p; /* miscellaneous string pointer */
- struct stat st; /* file status buffer */
-
- content_type = default_content_type;
-
- /*
- * Check the file name for a suffix. Scan the context for that suffix on a
- * mhshow-suffix- entry. We use these entries to be compatible with mhnshow,
- * and there's no reason to make the user specify each suffix twice. Context
- * entries of the form "mhshow-suffix-contenttype" in the name have the suffix
- * in the field, including the dot.
- */
-
- if ((p = strrchr(file_name, '.')) != (char *)0) {
- for (np = m_defs; np; np = np->n_next) {
- if (strncasecmp(np->n_name, "mhshow-suffix-", 14) == 0 && mh_strcasecmp(p, np->n_field) == 0) {
- content_type = np->n_name + 14;
- break;
- }
- }
- }
-
- /*
- * No content type was found, either because there was no matching entry in the
- * context or because the file name has no suffix. Open the file and check for
- * non-ASCII characters. Choose the content type based on this check.
- */
-
- if (content_type == (char *)0) {
- if ((fp = fopen(file_name, "r")) == (FILE *)0) {
- clean_up_temporary_files();
- adios((char *)0, "unable to access file \"%s\"", file_name);
- }
-
- binary = 0;
-
- while ((c = getc(fp)) != EOF) {
- if (c > 127 || c < 0) {
- binary = 1;
- break;
- }
- }
-
- (void)fclose(fp);
-
- content_type = binary ? "application/octet-stream" : "text/plain";
- }
-
- /*
- * Make sure that the attachment file exists and is readable. Append a mhbuild
- * directive to the draft file. This starts with the content type. Append a
- * file name attribute and a private x-unix-mode attribute. Also append a
- * description obtained (if possible) by running the "file" command on the file.
- */
-
- if (stat(file_name, &st) == -1 || access(file_name, R_OK) != 0) {
- clean_up_temporary_files();
- adios((char *)0, "unable to access file \"%s\"", file_name);
- }
-
- switch (attachformat) {
- case 0:
- /* Insert name, file mode, and Content-Id. */
- (void)fprintf(composition_file, "#%s; name=\"%s\"; x-unix-mode=0%.3ho",
- content_type, ((p = strrchr(file_name, '/')) == (char *)0) ? file_name : p + 1, (unsigned short)(st.st_mode & 0777));
-
- if (strlen(file_name) > PATH_MAX) {
- clean_up_temporary_files();
- adios((char *)0, "attachment file name `%s' too long.", file_name);
- }
-
- (void)sprintf(cmd, "file '%s'", file_name);
-
- if ((fp = popen(cmd, "r")) != (FILE *)0 && fgets(cmd, sizeof (cmd), fp) != (char *)0) {
- *strchr(cmd, '\n') = '\0';
-
- /*
- * The output of the "file" command is of the form
- *
- * file: description
- *
- * Strip off the "file:" and subsequent white space.
- */
-
- for (p = cmd; *p != '\0'; p++) {
- if (*p == ':') {
- for (p++; *p != '\0'; p++) {
- if (*p != '\t')
- break;
- }
- break;
- }
- }
-
- if (*p != '\0')
- /* Insert Content-Description. */
- (void)fprintf(composition_file, " [ %s ]", p);
-
- (void)pclose(fp);
- }
-
- break;
- case 1:
- if (stringdex (m_maildir(invo_name), file_name) == 0) {
- /* Content had been placed by send into a temp file.
- Don't generate Content-Disposition header, because
- it confuses Microsoft Outlook, Build 10.0.6626, at
- least. */
- (void) fprintf (composition_file, "#%s <>", content_type);
- } else {
- /* Suppress Content-Id, insert simple Content-Disposition
- and Content-Description with filename. */
- p = strrchr(file_name, '/');
- (void) fprintf (composition_file,
- "#%s; name=\"%s\" <> [%s]{attachment}",
- content_type,
- (p == (char *)0) ? file_name : p + 1,
- (p == (char *)0) ? file_name : p + 1);
- }
-
- break;
- case 2:
- if (stringdex (m_maildir(invo_name), file_name) == 0) {
- /* Content had been placed by send into a temp file.
- Don't generate Content-Disposition header, because
- it confuses Microsoft Outlook, Build 10.0.6626, at
- least. */
- (void) fprintf (composition_file, "#%s <>", content_type);
- } else {
- /* Suppress Content-Id, insert Content-Disposition with
- modification date and Content-Description wtih filename. */
- p = strrchr(file_name, '/');
- (void) fprintf (composition_file,
- "#%s; name=\"%s\" <>[%s]{attachment; modification-date=\"%s\"}",
- content_type,
- (p == (char *)0) ? file_name : p + 1,
- (p == (char *)0) ? file_name : p + 1,
- dtime (&st.st_mtime, 0));
- }
-
- break;
- default:
- adios ((char *)0, "unsupported attachformat %d", attachformat);
- }
-
- /*
- * Finish up with the file name.
- */
-
- (void)fprintf(composition_file, " %s\n", file_name);
-
- return;
-}
-
-/*
- * Split large message into several messages of
- * type "message/partial" and send them.
- */
-
-static int
-splitmsg (char **vec, int vecp, char *drft, struct stat *st, int delay)
-{
- int compnum, nparts, partno, state, status;
- long pos, start;
- time_t clock;
- char *cp, *dp, buffer[BUFSIZ], msgid[BUFSIZ];
- char subject[BUFSIZ];
- char name[NAMESZ], partnum[BUFSIZ];
- FILE *in;
-
- if ((in = fopen (drft, "r")) == NULL)
- adios (drft, "unable to open for reading");
-
- cp = dp = NULL;
- start = 0L;
-
- /*
- * Scan through the message and examine the various header fields,
- * as well as locate the beginning of the message body.
- */
- for (compnum = 1, state = FLD;;) {
- switch (state = m_getfld (state, name, buffer, sizeof(buffer), in)) {
- case FLD:
- case FLDPLUS:
- case FLDEOF:
- compnum++;
-
- /*
- * This header field is discarded.
- */
- if (!mh_strcasecmp (name, "Message-ID")) {
- while (state == FLDPLUS)
- state = m_getfld (state, name, buffer, sizeof(buffer), in);
- } else if (uprf (name, XXX_FIELD_PRF)
- || !mh_strcasecmp (name, VRSN_FIELD)
- || !mh_strcasecmp (name, "Subject")
- || !mh_strcasecmp (name, "Encrypted")) {
- /*
- * These header fields are copied to the enclosed
- * header of the first message in the collection
- * of message/partials. For the "Subject" header
- * field, we also record it, so that a modified
- * version of it, can be copied to the header
- * of each messsage/partial in the collection.
- */
- if (!mh_strcasecmp (name, "Subject")) {
- size_t sublen;
-
- strncpy (subject, buffer, BUFSIZ);
- sublen = strlen (subject);
- if (sublen > 0 && subject[sublen - 1] == '\n')
- subject[sublen - 1] = '\0';
- }
-
- dp = add (concat (name, ":", buffer, NULL), dp);
- while (state == FLDPLUS) {
- state = m_getfld (state, name, buffer, sizeof(buffer), in);
- dp = add (buffer, dp);
- }
- } else {
- /*
- * These header fields are copied to the header of
- * each message/partial in the collection.
- */
- cp = add (concat (name, ":", buffer, NULL), cp);
- while (state == FLDPLUS) {
- state = m_getfld (state, name, buffer, sizeof(buffer), in);
- cp = add (buffer, cp);
- }
- }
-
- if (state != FLDEOF) {
- start = ftell (in) + 1;
- continue;
- }
- /* else fall... */
-
- case BODY:
- case BODYEOF:
- case FILEEOF:
- break;
-
- case LENERR:
- case FMTERR:
- adios (NULL, "message format error in component #%d", compnum);
-
- default:
- adios (NULL, "getfld () returned %d", state);
- }
-
- break;
- }
- if (cp == NULL)
- adios (NULL, "headers missing from draft");
-
- nparts = 1;
- pos = start;
- while (fgets (buffer, sizeof(buffer) - 1, in)) {
- long len;
-
- if ((pos += (len = strlen (buffer))) > CPERMSG) {
- nparts++;
- pos = len;
- }
- }
-
- /* Only one part, nothing to split */
- if (nparts == 1) {
- free (cp);
- if (dp)
- free (dp);
-
- fclose (in);
- return sendaux (vec, vecp, drft, st);
- }
-
- if (!pushsw) {
- printf ("Sending as %d Partial Messages\n", nparts);
- fflush (stdout);
- }
- status = OK;
-
- vec[vecp++] = "-partno";
- vec[vecp++] = partnum;
- if (delay == 0)
- vec[vecp++] = "-queued";
-
- time (&clock);
- snprintf (msgid, sizeof(msgid), "%s", message_id (clock, 0));
projects / nmh / blobdiff