+
+
+/* Multipart parts might have content before the first subpart and/or
+ after the last subpart that hasn't been stored anywhere else, so do
+ that. */
+int
+get_leftover_mp_content (CT ct, int before /* or after */) {
+ struct multipart *m = (struct multipart *) ct->c_ctparams;
+ char *boundary;
+ int found_boundary = 0;
+ char buffer[BUFSIZ];
+ int max = BUFSIZ;
+ int read = 0;
+ char *content = NULL;
+
+ if (! m) return NOTOK;
+
+ if (before) {
+ if (! m->mp_parts || ! m->mp_parts->mp_part) return NOTOK;
+
+ /* Isolate the beginning of this part to the beginning of the
+ first subpart and save any content between them. */
+ fseeko (ct->c_fp, ct->c_begin, SEEK_SET);
+ max = m->mp_parts->mp_part->c_begin - ct->c_begin;
+ boundary = concat ("--", m->mp_start, NULL);
+ } else {
+ struct part *last_subpart = NULL;
+ struct part *subpart;
+
+ /* Go to the last subpart to get its end position. */
+ for (subpart = m->mp_parts; subpart; subpart = subpart->mp_next) {
+ last_subpart = subpart;
+ }
+
+ if (last_subpart == NULL) return NOTOK;
+
+ /* Isolate the end of the last subpart to the end of this part
+ and save any content between them. */
+ fseeko (ct->c_fp, last_subpart->mp_part->c_end, SEEK_SET);
+ max = ct->c_end - last_subpart->mp_part->c_end;
+ boundary = concat ("--", m->mp_stop, NULL);
+ }
+
+ /* Back up by 1 to pick up the newline. */
+ while (fgets (buffer, sizeof(buffer) - 1, ct->c_fp)) {
+ read += strlen (buffer);
+ /* Don't look beyond beginning of first subpart (before) or
+ next part (after). */
+ if (read > max) buffer[read-max] = '\0';
+
+ if (before) {
+ if (! strcmp (buffer, boundary)) {
+ found_boundary = 1;
+ }
+ } else {
+ if (! found_boundary && ! strcmp (buffer, boundary)) {
+ found_boundary = 1;
+ continue;
+ }
+ }
+
+ if ((before && ! found_boundary) || (! before && found_boundary)) {
+ if (content) {
+ char *old_content = content;
+ content = concat (content, buffer, NULL);
+ free (old_content);
+ } else {
+ content = before
+ ? concat ("\n", buffer, NULL)
+ : concat (buffer, NULL);
+ }
+ }
+
+ if (before) {
+ if (found_boundary || read > max) break;
+ } else {
+ if (read > max) break;
+ }
+ }
+
+ /* Skip the newline if that's all there is. */
+ if (content) {
+ char *cp;
+
+ /* Remove trailing newline, except at EOF. */
+ if ((before || ! feof (ct->c_fp)) &&
+ (cp = content + strlen (content)) > content &&
+ *--cp == '\n') {
+ *cp = '\0';
+ }
+
+ if (strlen (content) > 1) {
+ if (before) {
+ m->mp_content_before = content;
+ } else {
+ m->mp_content_after = content;
+ }
+ } else {
+ free (content);
+ }
+ }
+
+ free (boundary);
+
+ return OK;
+}
+
+
+char *
+ct_type_str (int type) {
+ switch (type) {
+ case CT_APPLICATION:
+ return "application";
+ case CT_AUDIO:
+ return "audio";
+ case CT_IMAGE:
+ return "image";
+ case CT_MESSAGE:
+ return "message";
+ case CT_MULTIPART:
+ return "multipart";
+ case CT_TEXT:
+ return "text";
+ case CT_VIDEO:
+ return "video";
+ case CT_EXTENSION:
+ return "extension";
+ default:
+ return "unknown_type";
+ }
+}
+
+
+char *
+ct_subtype_str (int type, int subtype) {
+ switch (type) {
+ case CT_APPLICATION:
+ switch (subtype) {
+ case APPLICATION_OCTETS:
+ return "octets";
+ case APPLICATION_POSTSCRIPT:
+ return "postscript";
+ default:
+ return "unknown_app_subtype";
+ }
+ case CT_MESSAGE:
+ switch (subtype) {
+ case MESSAGE_RFC822:
+ return "rfc822";
+ case MESSAGE_PARTIAL:
+ return "partial";
+ case MESSAGE_EXTERNAL:
+ return "external";
+ default:
+ return "unknown_msg_subtype";
+ }
+ case CT_MULTIPART:
+ switch (subtype) {
+ case MULTI_MIXED:
+ return "mixed";
+ case MULTI_ALTERNATE:
+ return "alternative";
+ case MULTI_DIGEST:
+ return "digest";
+ case MULTI_PARALLEL:
+ return "parallel";
+ default:
+ return "unknown_multipart_subtype";
+ }
+ case CT_TEXT:
+ switch (subtype) {
+ case TEXT_PLAIN:
+ return "plain";
+ case TEXT_RICHTEXT:
+ return "richtext";
+ case TEXT_ENRICHED:
+ return "enriched";
+ default:
+ return "unknown_text_subtype";
+ }
+ default:
+ return "unknown_type";
+ }
+}
+
+
+/* Find the content type and InitFunc for the CT. */
+const struct str2init *
+get_ct_init (int type) {
+ const struct str2init *sp;
+
+ for (sp = str2cts; sp->si_key; ++sp) {
+ if (type == sp->si_val) {
+ return sp;
+ }
+ }
+
+ return NULL;
+}
+
+const char *
+ce_str (int encoding) {
+ switch (encoding) {
+ case CE_BASE64:
+ return "base64";
+ case CE_QUOTED:
+ return "quoted";
+ case CE_8BIT:
+ return "8bit";
+ case CE_7BIT:
+ return "7bit";
+ case CE_BINARY:
+ return "binary";
+ case CE_EXTENSION:
+ return "extension";
+ case CE_EXTERNAL:
+ return "external";
+ default:
+ return "unknown";
+ }
+}
+
+/* Find the content type and InitFunc for the content encoding method. */
+const struct str2init *
+get_ce_method (const char *method) {
+ struct str2init *sp;
+
+ for (sp = str2ces; sp->si_key; ++sp) {
+ if (! strcasecmp (method, sp->si_key)) {
+ return sp;
+ }
+ }
+
+ return NULL;
+}