+/*
+ * Back end for post_message() ... this is where the actual message
+ * gets transmitted to the server.
+ */
+void post_mime_to_server(void) {
+ char boundary[SIZ];
+ int is_multipart = 0;
+ static int seq = 0;
+ struct wc_attachment *att;
+ char *encoded;
+ size_t encoded_length;
+
+ /* If there are attachments, we have to do multipart/mixed */
+ if (WC->first_attachment != NULL) {
+ is_multipart = 1;
+ }
+
+ if (is_multipart) {
+ sprintf(boundary, "---Citadel-Multipart-%s-%04x%04x---",
+ serv_info.serv_fqdn,
+ getpid(),
+ ++seq
+ );
+
+ /* Remember, serv_printf() appends an extra newline */
+ serv_printf("Content-type: multipart/mixed; "
+ "boundary=\"%s\"\n", boundary);
+ serv_printf("This is a multipart message in MIME format.\n");
+ serv_printf("--%s", boundary);
+ }
+
+ serv_puts("Content-type: text/html");
+ serv_puts("");
+ text_to_server(bstr("msgtext"), 1);
+
+ if (is_multipart) {
+
+ /* Add in the attachments */
+ for (att = WC->first_attachment; att!=NULL; att=att->next) {
+
+ encoded_length = ((att->length * 150) / 100);
+ encoded = malloc(encoded_length);
+ if (encoded == NULL) break;
+ CtdlEncodeBase64(encoded, att->data, att->length);
+
+ serv_printf("--%s", boundary);
+ serv_printf("Content-type: %s", att->content_type);
+ serv_printf("Content-disposition: attachment; "
+ "filename=\"%s\"", att->filename);
+ serv_puts("Content-transfer-encoding: base64");
+ serv_puts("");
+ serv_write(encoded, strlen(encoded));
+ serv_puts("");
+ serv_puts("");
+ free(encoded);
+ }
+ serv_printf("--%s--", boundary);
+ }
+
+ serv_puts("000");
+}