4 * Implements the FETCH command in IMAP.
5 * This command is way too convoluted. Marc Crispin is a fscking idiot.
18 #include <sys/types.h>
20 #if TIME_WITH_SYS_TIME
21 # include <sys/time.h>
25 # include <sys/time.h>
37 #include "sysdep_decls.h"
38 #include "citserver.h"
41 #include "dynloader.h"
48 #include "internet_addressing.h"
49 #include "mime_parser.h"
50 #include "serv_imap.h"
51 #include "imap_tools.h"
52 #include "imap_fetch.h"
57 struct imap_fetch_part {
58 char desired_section[SIZ];
63 * Individual field functions for imap_do_fetch_msg() ...
68 void imap_fetch_uid(int seq) {
69 cprintf("UID %ld", IMAP->msgids[seq-1]);
72 void imap_fetch_flags(int seq) {
74 if (IMAP->flags[seq] & IMAP_DELETED) cprintf("\\Deleted ");
75 if (IMAP->flags[seq] & IMAP_SEEN) cprintf("\\Seen ");
79 void imap_fetch_internaldate(struct CtdlMessage *msg) {
83 if (msg->cm_fields['T'] != NULL) {
84 msgdate = atol(msg->cm_fields['T']);
90 datestring(buf, msgdate, DATESTRING_IMAP);
91 cprintf("INTERNALDATE \"%s\"", buf);
96 * Fetch RFC822-formatted messages.
98 * 'whichfmt' should be set to one of:
99 * "RFC822" entire message
100 * "RFC822.HEADER" headers only (with trailing blank line)
101 * "RFC822.SIZE" size of translated message
102 * "RFC822.TEXT" body only (without leading blank line)
104 void imap_fetch_rfc822(int msgnum, char *whichfmt, struct CtdlMessage *msg) {
108 long headers_size, text_size, total_size;
109 long bytes_remaining = 0;
114 lprintf(1, "Cannot open temp file: %s\n", strerror(errno));
119 * Load the message into a temp file for translation and measurement
121 CtdlRedirectOutput(tmp, -1);
122 CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
123 CtdlRedirectOutput(NULL, -1);
124 if (!is_valid_message(msg)) {
125 lprintf(1, "WARNING: output clobbered the message!\n");
129 * Now figure out where the headers/text break is. IMAP considers the
130 * intervening blank line to be part of the headers, not the text.
135 ptr = fgets(buf, sizeof buf, tmp);
138 if (strlen(buf) == 0) headers_size = ftell(tmp);
140 } while ( (headers_size == 0L) && (ptr != NULL) );
141 fseek(tmp, 0L, SEEK_END);
142 total_size = ftell(tmp);
143 text_size = total_size - headers_size;
145 if (!strcasecmp(whichfmt, "RFC822.SIZE")) {
146 cprintf("RFC822.SIZE %ld", total_size);
151 else if (!strcasecmp(whichfmt, "RFC822")) {
152 bytes_remaining = total_size;
156 else if (!strcasecmp(whichfmt, "RFC822.HEADER")) {
157 bytes_remaining = headers_size;
161 else if (!strcasecmp(whichfmt, "RFC822.TEXT")) {
162 bytes_remaining = text_size;
163 fseek(tmp, headers_size, SEEK_SET);
166 cprintf("%s {%ld}\r\n", whichfmt, bytes_remaining);
167 blocksize = sizeof(buf);
168 while (bytes_remaining > 0L) {
169 if (blocksize > bytes_remaining) blocksize = bytes_remaining;
170 fread(buf, blocksize, 1, tmp);
171 client_write(buf, blocksize);
172 bytes_remaining = bytes_remaining - blocksize;
181 * Load a specific part of a message into the temp file to be output to a
182 * client. FIXME we can handle parts like "2" and "2.1" and even "2.MIME"
183 * but we still can't handle "2.HEADER" (which might not be a problem, because
184 * we currently don't have the ability to break out nested RFC822's anyway).
186 * Note: mime_parser() was called with dont_decode set to 1, so we have the
187 * luxury of simply spewing without having to re-encode.
189 void imap_load_part(char *name, char *filename, char *partnum, char *disp,
190 void *content, char *cbtype, size_t length, char *encoding,
193 struct imap_fetch_part *imfp;
196 imfp = (struct imap_fetch_part *)cbuserdata;
198 if (!strcasecmp(partnum, imfp->desired_section)) {
199 fwrite(content, length, 1, imfp->output_fp);
202 sprintf(mbuf2, "%s.MIME", partnum);
204 if (!strcasecmp(imfp->desired_section, mbuf2)) {
205 fprintf(imfp->output_fp, "Content-type: %s", cbtype);
206 if (strlen(name) > 0)
207 fprintf(imfp->output_fp, "; name=\"%s\"", name);
208 fprintf(imfp->output_fp, "\r\n");
209 if (strlen(encoding) > 0)
210 fprintf(imfp->output_fp,
211 "Content-Transfer-Encoding: %s\r\n", encoding);
212 if (strlen(encoding) > 0) {
213 fprintf(imfp->output_fp, "Content-Disposition: %s",
215 if (strlen(filename) > 0) {
216 fprintf(imfp->output_fp, "; filename=\"%s\"",
219 fprintf(imfp->output_fp, "\r\n");
221 fprintf(imfp->output_fp, "Content-Length: %d\r\n", length);
222 fprintf(imfp->output_fp, "\r\n");
230 * Called by imap_fetch_envelope() to output the "From" field.
231 * This is in its own function because its logic is kind of complex. We
232 * really need to make this suck less.
234 void imap_output_envelope_from(struct CtdlMessage *msg) {
235 char user[1024], node[1024], name[1024];
237 cprintf("(("); /* open double-parens */
238 imap_strout(msg->cm_fields['A']); /* personal name */
239 cprintf(" NIL "); /* source route (not used) */
241 if (msg->cm_fields['F'] != NULL) {
242 process_rfc822_addr(msg->cm_fields['F'], user, node, name);
243 imap_strout(user); /* mailbox name (user id) */
245 if (!strcasecmp(node, config.c_nodename)) {
246 imap_strout(config.c_fqdn);
249 imap_strout(node); /* host name */
253 imap_strout(msg->cm_fields['A']); /* mailbox name (user id) */
255 imap_strout(msg->cm_fields['N']); /* host name */
258 cprintf(")) "); /* close double-parens */
263 * Implements the ENVELOPE fetch item
265 * FIXME ... we only output some of the fields right now. Definitely need
266 * to do all of them. Accurately, too.
268 * Note that the imap_strout() function can cleverly output NULL fields as NIL,
269 * so we don't have to check for that condition like we do elsewhere.
271 void imap_fetch_envelope(long msgnum, struct CtdlMessage *msg) {
272 char datestringbuf[SIZ];
274 char *fieldptr = NULL;
276 /* Parse the message date into an IMAP-format date string */
277 if (msg->cm_fields['T'] != NULL) {
278 msgdate = atol(msg->cm_fields['T']);
281 msgdate = time(NULL);
283 datestring(datestringbuf, msgdate, DATESTRING_IMAP);
285 /* Now start spewing data fields. The order is important, as it is
286 * defined by the protocol specification. Nonexistent fields must
287 * be output as NIL, existent fields must be quoted or literalled.
288 * The imap_strout() function conveniently does all this for us.
290 cprintf("ENVELOPE (");
293 imap_strout(datestringbuf);
297 imap_strout(msg->cm_fields['U']);
301 imap_output_envelope_from(msg);
305 /* FIXME ... check for a *real* Sender: field */
308 imap_output_envelope_from(msg);
313 /* FIXME ... check for a *real* Reply-to: field */
316 imap_output_envelope_from(msg);
319 cprintf("NIL "); /* to */
321 cprintf("NIL "); /* cc */
323 cprintf("NIL "); /* bcc */
326 fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "In-reply-to");
327 imap_strout(fieldptr);
329 if (fieldptr != NULL) phree(fieldptr);
332 imap_strout(msg->cm_fields['I']);
339 * Strip any non header information out of a chunk of RFC822 data on disk,
340 * then boil it down to just the fields we want.
342 void imap_strip_headers(FILE *fp, char *section) {
344 char *which_fields = NULL;
345 int doing_headers = 0;
350 char *boiled_headers = NULL;
352 int done_headers = 0;
354 which_fields = strdoop(section);
356 if (!strncasecmp(which_fields, "HEADER.FIELDS", 13))
358 if (!strncasecmp(which_fields, "HEADER.FIELDS.NOT", 17))
361 for (i=0; i<strlen(which_fields); ++i) {
362 if (which_fields[i]=='(')
363 strcpy(which_fields, &which_fields[i+1]);
365 for (i=0; i<strlen(which_fields); ++i) {
366 if (which_fields[i]==')')
369 num_parms = imap_parameterize(parms, which_fields);
371 fseek(fp, 0L, SEEK_END);
372 boiled_headers = mallok((size_t)(ftell(fp) + 256L));
373 strcpy(boiled_headers, "");
377 while ( (done_headers == 0) && (fgets(buf, sizeof buf, fp) != NULL) ) {
378 if (!isspace(buf[0])) {
380 if (doing_headers == 0) ok = 1;
382 if (headers_not) ok = 1;
384 for (i=0; i<num_parms; ++i) {
385 if ( (!strncasecmp(buf, parms[i],
386 strlen(parms[i]))) &&
387 (buf[strlen(parms[i])]==':') ) {
388 if (headers_not) ok = 0;
396 strcat(boiled_headers, buf);
399 if (strlen(buf) == 0) done_headers = 1;
400 if (buf[0]=='\r') done_headers = 1;
401 if (buf[0]=='\n') done_headers = 1;
404 /* Now write it back */
406 fwrite(boiled_headers, strlen(boiled_headers), 1, fp);
408 ftruncate(fileno(fp), ftell(fp));
410 fprintf(fp, "\r\n"); /* add the trailing newline */
413 phree(boiled_headers);
418 * Implements the BODY and BODY.PEEK fetch items
420 void imap_fetch_body(long msgnum, char *item, int is_peek,
421 struct CtdlMessage *msg) {
428 long bytes_remaining = 0;
431 struct imap_fetch_part imfp;
433 /* extract section */
434 strcpy(section, item);
435 for (i=0; i<strlen(section); ++i) {
436 if (section[i]=='[') strcpy(section, §ion[i+1]);
438 for (i=0; i<strlen(section); ++i) {
439 if (section[i]==']') section[i] = 0;
441 lprintf(9, "Section is %s\n", section);
443 /* extract partial */
444 strcpy(partial, item);
445 for (i=0; i<strlen(partial); ++i) {
446 if (partial[i]=='<') {
447 strcpy(partial, &partial[i+1]);
451 for (i=0; i<strlen(partial); ++i) {
452 if (partial[i]=='>') partial[i] = 0;
454 if (is_partial == 0) strcpy(partial, "");
455 if (strlen(partial) > 0) lprintf(9, "Partial is %s\n", partial);
459 lprintf(1, "Cannot open temp file: %s\n", strerror(errno));
463 /* Now figure out what the client wants, and get it */
465 if (!strcmp(section, "")) { /* the whole thing */
466 CtdlRedirectOutput(tmp, -1);
467 CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
468 CtdlRedirectOutput(NULL, -1);
472 * If the client asked for just headers, or just particular header
473 * fields, strip it down.
475 else if (!strncasecmp(section, "HEADER", 6)) {
476 CtdlRedirectOutput(tmp, -1);
477 CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 1, 0, 1);
478 CtdlRedirectOutput(NULL, -1);
479 imap_strip_headers(tmp, section);
483 * Anything else must be a part specifier.
484 * (Note value of 1 passed as 'dont_decode' so client gets it encoded)
487 safestrncpy(imfp.desired_section, section,
488 sizeof(imfp.desired_section));
489 imfp.output_fp = tmp;
491 mime_parser(msg->cm_fields['M'], NULL,
492 *imap_load_part, NULL, NULL,
498 fseek(tmp, 0L, SEEK_END);
499 bytes_remaining = ftell(tmp);
501 if (is_partial == 0) {
503 cprintf("BODY[%s] {%ld}\r\n", section, bytes_remaining);
506 sscanf(partial, "%ld.%ld", &pstart, &pbytes);
507 if ((bytes_remaining - pstart) < pbytes) {
508 pbytes = bytes_remaining - pstart;
510 fseek(tmp, pstart, SEEK_SET);
511 bytes_remaining = pbytes;
512 cprintf("BODY[%s] {%ld}<%ld>\r\n",
513 section, bytes_remaining, pstart);
516 blocksize = sizeof(buf);
517 while (bytes_remaining > 0L) {
518 if (blocksize > bytes_remaining) blocksize = bytes_remaining;
519 fread(buf, blocksize, 1, tmp);
520 client_write(buf, blocksize);
521 bytes_remaining = bytes_remaining - blocksize;
526 /* Mark this message as "seen" *unless* this is a "peek" operation */
528 CtdlSetSeen(msgnum, 1);
533 * Called immediately before outputting a multipart bodystructure
535 void imap_fetch_bodystructure_pre(
536 char *name, char *filename, char *partnum, char *disp,
537 void *content, char *cbtype, size_t length, char *encoding,
547 * Called immediately after outputting a multipart bodystructure
549 void imap_fetch_bodystructure_post(
550 char *name, char *filename, char *partnum, char *disp,
551 void *content, char *cbtype, size_t length, char *encoding,
557 extract_token(subtype, cbtype, 1, '/');
558 imap_strout(subtype);
565 * Output the info for a MIME part in the format required by BODYSTRUCTURE.
568 void imap_fetch_bodystructure_part(
569 char *name, char *filename, char *partnum, char *disp,
570 void *content, char *cbtype, size_t length, char *encoding,
576 int have_encoding = 0;
580 if (cbtype != NULL) if (strlen(cbtype)>0) have_cbtype = 1;
583 extract_token(buf, cbtype, 0, '/');
586 extract_token(buf, cbtype, 1, '/');
591 cprintf("\"TEXT\" \"PLAIN\" ");
594 cprintf("(\"CHARSET\" \"US-ASCII\"");
596 if (name != NULL) if (strlen(name)>0) {
597 cprintf(" \"NAME\" ");
601 if (filename != NULL) if (strlen(filename)>0) {
602 cprintf(" \"FILENAME\" ");
610 if (encoding != NULL) if (strlen(encoding) > 0) have_encoding = 1;
613 imap_strout(encoding);
620 cprintf("%ld ", length); /* bytes */
621 cprintf("NIL) "); /* lines */
627 * Spew the BODYSTRUCTURE data for a message. (Do you need a silencer if
628 * you're going to shoot a MIME? Do you need a reason to shoot Mark Crispin?
632 void imap_fetch_bodystructure (long msgnum, char *item,
633 struct CtdlMessage *msg) {
639 /* For non-RFC822 (ordinary Citadel) messages, this is short and
642 if (msg->cm_format_type != FMT_RFC822) {
644 /* *sigh* We have to RFC822-format the message just to be able
648 if (tmp == NULL) return;
649 CtdlRedirectOutput(tmp, -1);
650 CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
651 CtdlRedirectOutput(NULL, -1);
654 while (fgets(buf, sizeof buf, tmp) != NULL) ++lines;
658 cprintf("BODYSTRUCTURE (\"TEXT\" \"PLAIN\" "
659 "(\"CHARSET\" \"US-ASCII\") NIL NIL "
660 "\"7BIT\" %ld %ld)", bytes, lines);
665 /* For messages already stored in RFC822 format, we have to parse. */
666 cprintf("BODYSTRUCTURE ");
667 mime_parser(msg->cm_fields['M'],
669 *imap_fetch_bodystructure_part, /* part */
670 *imap_fetch_bodystructure_pre, /* pre-multi */
671 *imap_fetch_bodystructure_post, /* post-multi */
673 1); /* don't decode -- we want it as-is */
682 * imap_do_fetch() calls imap_do_fetch_msg() to output the deta of an
683 * individual message, once it has been successfully loaded from disk.
685 void imap_do_fetch_msg(int seq, struct CtdlMessage *msg,
686 int num_items, char **itemlist) {
689 cprintf("* %d FETCH (", seq);
691 for (i=0; i<num_items; ++i) {
693 if (!strncasecmp(itemlist[i], "BODY[", 5)) {
694 imap_fetch_body(IMAP->msgids[seq-1], itemlist[i],
697 else if (!strncasecmp(itemlist[i], "BODY.PEEK[", 10)) {
698 imap_fetch_body(IMAP->msgids[seq-1], itemlist[i],
701 else if (!strcasecmp(itemlist[i], "BODYSTRUCTURE")) {
702 imap_fetch_bodystructure(IMAP->msgids[seq-1],
705 else if (!strcasecmp(itemlist[i], "ENVELOPE")) {
706 imap_fetch_envelope(IMAP->msgids[seq-1], msg);
708 else if (!strcasecmp(itemlist[i], "FLAGS")) {
709 imap_fetch_flags(seq-1);
711 else if (!strcasecmp(itemlist[i], "INTERNALDATE")) {
712 imap_fetch_internaldate(msg);
714 else if (!strcasecmp(itemlist[i], "RFC822")) {
715 imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
717 else if (!strcasecmp(itemlist[i], "RFC822.HEADER")) {
718 imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
720 else if (!strcasecmp(itemlist[i], "RFC822.SIZE")) {
721 imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
723 else if (!strcasecmp(itemlist[i], "RFC822.TEXT")) {
724 imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
726 else if (!strcasecmp(itemlist[i], "UID")) {
730 if (i != num_items-1) cprintf(" ");
739 * imap_fetch() calls imap_do_fetch() to do its actual work, once it's
740 * validated and boiled down the request a bit.
742 void imap_do_fetch(int num_items, char **itemlist) {
744 struct CtdlMessage *msg;
746 if (IMAP->num_msgs > 0)
747 for (i = 0; i < IMAP->num_msgs; ++i)
748 if (IMAP->flags[i] & IMAP_SELECTED) {
749 msg = CtdlFetchMessage(IMAP->msgids[i]);
751 imap_do_fetch_msg(i+1, msg, num_items, itemlist);
752 CtdlFreeMessage(msg);
755 cprintf("* %d FETCH <internal error>\r\n", i+1);
763 * Back end for imap_handle_macros()
764 * Note that this function *only* looks at the beginning of the string. It
765 * is not a generic search-and-replace function.
767 void imap_macro_replace(char *str, char *find, char *replace) {
770 if (!strncasecmp(str, find, strlen(find))) {
771 if (str[strlen(find)]==' ') {
772 strcpy(holdbuf, &str[strlen(find)+1]);
773 strcpy(str, replace);
775 strcat(str, holdbuf);
777 if (str[strlen(find)]==0) {
778 strcpy(holdbuf, &str[strlen(find)+1]);
779 strcpy(str, replace);
787 * Handle macros embedded in FETCH data items.
788 * (What the heck are macros doing in a wire protocol? Are we trying to save
789 * the computer at the other end the trouble of typing a lot of characters?)
791 void imap_handle_macros(char *str) {
795 for (i=0; i<strlen(str); ++i) {
796 if (str[i]=='(') ++nest;
797 if (str[i]=='[') ++nest;
798 if (str[i]=='<') ++nest;
799 if (str[i]=='{') ++nest;
800 if (str[i]==')') --nest;
801 if (str[i]==']') --nest;
802 if (str[i]=='>') --nest;
803 if (str[i]=='}') --nest;
806 imap_macro_replace(&str[i],
808 "FLAGS INTERNALDATE RFC822.SIZE ENVELOPE"
810 imap_macro_replace(&str[i],
814 imap_macro_replace(&str[i],
816 "FLAGS INTERNALDATE RFC822.SIZE"
818 imap_macro_replace(&str[i],
820 "FLAGS INTERNALDATE RFC822.SIZE ENVELOPE BODY"
828 * Break out the data items requested, possibly a parenthesized list.
829 * Returns the number of data items, or -1 if the list is invalid.
830 * NOTE: this function alters the string it is fed, and uses it as a buffer
831 * to hold the data for the pointers it returns.
833 int imap_extract_data_items(char **argv, char *items) {
839 /* Convert all whitespace to ordinary space characters. */
840 for (i=0; i<strlen(items); ++i) {
841 if (isspace(items[i])) items[i]=' ';
844 /* Strip leading and trailing whitespace, then strip leading and
845 * trailing parentheses if it's a list
848 if ( (items[0]=='(') && (items[strlen(items)-1]==')') ) {
849 items[strlen(items)-1] = 0;
850 strcpy(items, &items[1]);
854 /* Parse any macro data items */
855 imap_handle_macros(items);
858 * Now break out the data items. We throw in one trailing space in
859 * order to avoid having to break out the last one manually.
863 initial_len = strlen(items);
864 for (i=0; i<initial_len; ++i) {
865 if (items[i]=='(') ++nest;
866 if (items[i]=='[') ++nest;
867 if (items[i]=='<') ++nest;
868 if (items[i]=='{') ++nest;
869 if (items[i]==')') --nest;
870 if (items[i]==']') --nest;
871 if (items[i]=='>') --nest;
872 if (items[i]=='}') --nest;
874 if (nest <= 0) if (items[i]==' ') {
876 argv[num_items++] = start;
887 * One particularly hideous aspect of IMAP is that we have to allow the client
888 * to specify arbitrary ranges and/or sets of messages to fetch. Citadel IMAP
889 * handles this by setting the IMAP_SELECTED flag for each message specified in
890 * the ranges/sets, then looping through the message array, outputting messages
891 * with the flag set. We don't bother returning an error if an out-of-range
892 * number is specified (we just return quietly) because any client braindead
893 * enough to request a bogus message number isn't going to notice the
896 * This function clears out the IMAP_SELECTED bits, then sets that bit for each
897 * message included in the specified range.
899 * Set is_uid to 1 to fetch by UID instead of sequence number.
901 void imap_pick_range(char *supplied_range, int is_uid) {
905 char setstr[SIZ], lostr[SIZ], histr[SIZ]; /* was 1024 */
907 char actual_range[SIZ];
910 * Handle the "ALL" macro
912 if (!strcasecmp(supplied_range, "ALL")) {
913 safestrncpy(actual_range, "1:*", sizeof actual_range);
916 safestrncpy(actual_range, supplied_range, sizeof actual_range);
920 * Clear out the IMAP_SELECTED flags for all messages.
922 for (i = 0; i < IMAP->num_msgs; ++i) {
923 IMAP->flags[i] = IMAP->flags[i] & ~IMAP_SELECTED;
927 * Now set it for all specified messages.
929 num_sets = num_tokens(actual_range, ',');
930 for (s=0; s<num_sets; ++s) {
931 extract_token(setstr, actual_range, s, ',');
933 extract_token(lostr, setstr, 0, ':');
934 if (num_tokens(setstr, ':') >= 2) {
935 extract_token(histr, setstr, 1, ':');
936 if (!strcmp(histr, "*")) sprintf(histr, "%d", INT_MAX);
939 strcpy(histr, lostr);
944 /* Loop through the array, flipping bits where appropriate */
945 for (i = 1; i <= IMAP->num_msgs; ++i) {
946 if (is_uid) { /* fetch by sequence number */
947 if ( (IMAP->msgids[i-1]>=lo)
948 && (IMAP->msgids[i-1]<=hi)) {
950 IMAP->flags[i-1] | IMAP_SELECTED;
953 else { /* fetch by uid */
954 if ( (i>=lo) && (i<=hi)) {
956 IMAP->flags[i-1] | IMAP_SELECTED;
967 * This function is called by the main command loop.
969 void imap_fetch(int num_parms, char *parms[]) {
970 char items[SIZ]; /* was 1024 */
976 cprintf("%s BAD invalid parameters\r\n", parms[0]);
980 imap_pick_range(parms[2], 0);
983 for (i=3; i<num_parms; ++i) {
984 strcat(items, parms[i]);
985 if (i < (num_parms-1)) strcat(items, " ");
988 num_items = imap_extract_data_items(itemlist, items);
990 cprintf("%s BAD invalid data item list\r\n", parms[0]);
994 imap_do_fetch(num_items, itemlist);
995 cprintf("%s OK FETCH completed\r\n", parms[0]);
999 * This function is called by the main command loop.
1001 void imap_uidfetch(int num_parms, char *parms[]) {
1002 char items[SIZ]; /* was 1024 */
1003 char *itemlist[SIZ];
1006 int have_uid_item = 0;
1008 if (num_parms < 5) {
1009 cprintf("%s BAD invalid parameters\r\n", parms[0]);
1013 imap_pick_range(parms[3], 1);
1016 for (i=4; i<num_parms; ++i) {
1017 strcat(items, parms[i]);
1018 if (i < (num_parms-1)) strcat(items, " ");
1021 num_items = imap_extract_data_items(itemlist, items);
1022 if (num_items < 1) {
1023 cprintf("%s BAD invalid data item list\r\n", parms[0]);
1027 /* If the "UID" item was not included, we include it implicitly
1028 * because this is a UID FETCH command
1030 for (i=0; i<num_items; ++i) {
1031 if (!strcasecmp(itemlist[i], "UID")) ++have_uid_item;
1033 if (have_uid_item == 0) itemlist[num_items++] = "UID";
1035 imap_do_fetch(num_items, itemlist);
1036 cprintf("%s OK UID FETCH completed\r\n", parms[0]);