#include <pwd.h>
#include <errno.h>
#include <sys/types.h>
-#include <sys/time.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
#include <sys/wait.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
#include "citadel.h"
#include "server.h"
-#include <time.h>
#include "sysdep_decls.h"
#include "citserver.h"
#include "support.h"
struct imap_fetch_part {
- char desired_section[256];
+ char desired_section[SIZ];
FILE *output_fp;
};
cprintf("UID %ld", IMAP->msgids[seq-1]);
}
-void imap_fetch_flags(struct CtdlMessage *msg) {
- cprintf("FLAGS ()"); /* FIXME do something here */
+void imap_fetch_flags(int seq) {
+ cprintf("FLAGS (");
+ if (IMAP->flags[seq] & IMAP_DELETED) cprintf("\\Deleted ");
+ if (IMAP->flags[seq] & IMAP_SEEN) cprintf("\\Seen ");
+ cprintf(")");
}
void imap_fetch_internaldate(struct CtdlMessage *msg) {
- char buf[256];
+ char buf[SIZ];
time_t msgdate;
if (msg->cm_fields['T'] != NULL) {
* "RFC822.SIZE" size of translated message
* "RFC822.TEXT" body only (without leading blank line)
*/
-void imap_fetch_rfc822(int msgnum, char *whichfmt) {
+void imap_fetch_rfc822(int msgnum, char *whichfmt, struct CtdlMessage *msg) {
FILE *tmp;
char buf[1024];
char *ptr;
* Load the message into a temp file for translation and measurement
*/
CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 0, 0, 1);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
CtdlRedirectOutput(NULL, -1);
+ if (!is_valid_message(msg)) {
+ lprintf(1, "WARNING: output clobbered the message!\n");
+ }
/*
* Now figure out where the headers/text break is. IMAP considers the
/*
* Load a specific part of a message into the temp file to be output to a
- * client. FIXME we can handle parts like "2" and "2.1" but we still have
- * to handle parts like "2.MIME" and "2.HEADER" (the latter maybe not ...
- * Mark Crispy's server doesn't seem to)
+ * client. FIXME we can handle parts like "2" and "2.1" and even "2.MIME"
+ * but we still can't handle "2.HEADER" (which might not be a problem, because
+ * we currently don't have the ability to break out nested RFC822's anyway).
*
* Note: mime_parser() was called with dont_decode set to 1, so we have the
* luxury of simply spewing without having to re-encode.
}
+/*
+ * Called by imap_fetch_envelope() to output the "From" field.
+ * This is in its own function because its logic is kind of complex. We
+ * really need to make this suck less.
+ */
+void imap_output_envelope_from(struct CtdlMessage *msg) {
+ char user[1024], node[1024], name[1024];
+
+ cprintf("(("); /* open double-parens */
+ imap_strout(msg->cm_fields['A']); /* personal name */
+ cprintf(" NIL "); /* source route (not used) */
+
+ if (msg->cm_fields['F'] != NULL) {
+ process_rfc822_addr(msg->cm_fields['F'], user, node, name);
+ imap_strout(user); /* mailbox name (user id) */
+ cprintf(" ");
+ if (!strcasecmp(node, config.c_nodename)) {
+ imap_strout(config.c_fqdn);
+ }
+ else {
+ imap_strout(node); /* host name */
+ }
+ }
+ else {
+ imap_strout(msg->cm_fields['A']); /* mailbox name (user id) */
+ cprintf(" ");
+ imap_strout(msg->cm_fields['N']); /* host name */
+ }
+
+ cprintf(")) "); /* close double-parens */
+}
+
+
+/*
+ * Implements the ENVELOPE fetch item
+ *
+ * FIXME ... we only output some of the fields right now. Definitely need
+ * to do all of them. Accurately, too.
+ *
+ * Note that the imap_strout() function can cleverly output NULL fields as NIL,
+ * so we don't have to check for that condition like we do elsewhere.
+ */
+void imap_fetch_envelope(long msgnum, struct CtdlMessage *msg) {
+ char datestringbuf[SIZ];
+ time_t msgdate;
+ char *fieldptr = NULL;
+
+ /* Parse the message date into an IMAP-format date string */
+ if (msg->cm_fields['T'] != NULL) {
+ msgdate = atol(msg->cm_fields['T']);
+ }
+ else {
+ msgdate = time(NULL);
+ }
+ datestring(datestringbuf, msgdate, DATESTRING_IMAP);
+
+ /* Now start spewing data fields. The order is important, as it is
+ * defined by the protocol specification. Nonexistent fields must
+ * be output as NIL, existent fields must be quoted or literalled.
+ * The imap_strout() function conveniently does all this for us.
+ */
+ cprintf("ENVELOPE (");
+
+ /* Date */
+ imap_strout(datestringbuf);
+ cprintf(" ");
+
+ /* Subject */
+ imap_strout(msg->cm_fields['U']);
+ cprintf(" ");
+
+ /* From */
+ imap_output_envelope_from(msg);
+
+ /* Sender */
+ if (0) {
+ /* FIXME ... check for a *real* Sender: field */
+ }
+ else {
+ imap_output_envelope_from(msg);
+ }
+
+ /* Reply-to */
+ if (0) {
+ /* FIXME ... check for a *real* Reply-to: field */
+ }
+ else {
+ imap_output_envelope_from(msg);
+ }
+
+ cprintf("NIL "); /* to */
+
+ cprintf("NIL "); /* cc */
+
+ cprintf("NIL "); /* bcc */
+
+ /* In-reply-to */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "In-reply-to");
+ imap_strout(fieldptr);
+ cprintf(" ");
+ if (fieldptr != NULL) phree(fieldptr);
+
+ /* message ID */
+ imap_strout(msg->cm_fields['I']);
+
+ cprintf(") ");
+}
+
+
+/*
+ * Strip any non header information out of a chunk of RFC822 data on disk,
+ * then boil it down to just the fields we want.
+ */
+void imap_strip_headers(FILE *fp, char *section) {
+ char buf[1024];
+ char *which_fields = NULL;
+ int doing_headers = 0;
+ int headers_not = 0;
+ char *parms[SIZ];
+ int num_parms = 0;
+ int i;
+ char *boiled_headers = NULL;
+ int ok = 0;
+ int done_headers = 0;
+ which_fields = strdoop(section);
+
+ if (!strncasecmp(which_fields, "HEADER.FIELDS", 13))
+ doing_headers = 1;
+ if (!strncasecmp(which_fields, "HEADER.FIELDS.NOT", 17))
+ headers_not = 1;
+
+ for (i=0; i<strlen(which_fields); ++i) {
+ if (which_fields[i]=='(')
+ strcpy(which_fields, &which_fields[i+1]);
+ }
+ for (i=0; i<strlen(which_fields); ++i) {
+ if (which_fields[i]==')')
+ which_fields[i] = 0;
+ }
+ num_parms = imap_parameterize(parms, which_fields);
+
+ fseek(fp, 0L, SEEK_END);
+ boiled_headers = mallok((size_t)(ftell(fp) + 256L));
+ strcpy(boiled_headers, "");
+
+ rewind(fp);
+ ok = 0;
+ while ( (done_headers == 0) && (fgets(buf, sizeof buf, fp) != NULL) ) {
+ if (!isspace(buf[0])) {
+ ok = 0;
+ if (doing_headers == 0) ok = 1;
+ else {
+ if (headers_not) ok = 1;
+ else ok = 0;
+ for (i=0; i<num_parms; ++i) {
+ if ( (!strncasecmp(buf, parms[i],
+ strlen(parms[i]))) &&
+ (buf[strlen(parms[i])]==':') ) {
+ if (headers_not) ok = 0;
+ else ok = 1;
+ }
+ }
+ }
+ }
+
+ if (ok) {
+ strcat(boiled_headers, buf);
+ }
+
+ if (strlen(buf) == 0) done_headers = 1;
+ if (buf[0]=='\r') done_headers = 1;
+ if (buf[0]=='\n') done_headers = 1;
+ }
+
+ /* Now write it back */
+ rewind(fp);
+ fwrite(boiled_headers, strlen(boiled_headers), 1, fp);
+ fflush(fp);
+ ftruncate(fileno(fp), ftell(fp));
+ fflush(fp);
+ fprintf(fp, "\r\n"); /* add the trailing newline */
+ rewind(fp);
+ phree(which_fields);
+ phree(boiled_headers);
+}
/*
for (i=0; i<strlen(partial); ++i) {
if (partial[i]=='>') partial[i] = 0;
}
- lprintf(9, "Partial is %s\n", partial);
+ if (is_partial == 0) strcpy(partial, "");
+ if (strlen(partial) > 0) lprintf(9, "Partial is %s\n", partial);
tmp = tmpfile();
if (tmp == NULL) {
if (!strcmp(section, "")) { /* the whole thing */
CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 0, 0, 1);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
CtdlRedirectOutput(NULL, -1);
}
/*
- * Be obnoxious and send the entire header, even if the client only
- * asks for certain fields. FIXME this shortcut later.
+ * If the client asked for just headers, or just particular header
+ * fields, strip it down.
*/
else if (!strncasecmp(section, "HEADER", 6)) {
CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 1, 0, 1);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 1, 0, 1);
CtdlRedirectOutput(NULL, -1);
- fprintf(tmp, "\r\n"); /* add the trailing newline */
+ imap_strip_headers(tmp, section);
}
/*
imfp.output_fp = tmp;
mime_parser(msg->cm_fields['M'], NULL,
- *imap_load_part,
+ *imap_load_part, NULL, NULL,
(void *)&imfp,
1);
}
fclose(tmp);
- if (is_peek) {
- /* FIXME set the last read pointer or something */
+ /* Mark this message as "seen" *unless* this is a "peek" operation */
+ if (is_peek == 0) {
+ CtdlSetSeen(msgnum, 1);
}
}
+/*
+ * Called immediately before outputting a multipart bodystructure
+ */
+void imap_fetch_bodystructure_pre(
+ char *name, char *filename, char *partnum, char *disp,
+ void *content, char *cbtype, size_t length, char *encoding,
+ void *cbuserdata
+ ) {
+
+ cprintf("(");
+}
+
+
+
+/*
+ * Called immediately after outputting a multipart bodystructure
+ */
+void imap_fetch_bodystructure_post(
+ char *name, char *filename, char *partnum, char *disp,
+ void *content, char *cbtype, size_t length, char *encoding,
+ void *cbuserdata
+ ) {
+
+ char subtype[SIZ];
+
+ extract_token(subtype, cbtype, 1, '/');
+ imap_strout(subtype);
+ cprintf(")");
+}
+
+
+
+/*
+ * Output the info for a MIME part in the format required by BODYSTRUCTURE.
+ *
+ */
+void imap_fetch_bodystructure_part(
+ char *name, char *filename, char *partnum, char *disp,
+ void *content, char *cbtype, size_t length, char *encoding,
+ void *cbuserdata
+ ) {
+
+ char buf[SIZ];
+ int have_cbtype = 0;
+ int have_encoding = 0;
+
+ cprintf("(");
+
+ if (cbtype != NULL) if (strlen(cbtype)>0) have_cbtype = 1;
+
+ if (have_cbtype) {
+ extract_token(buf, cbtype, 0, '/');
+ imap_strout(buf);
+ cprintf(" ");
+ extract_token(buf, cbtype, 1, '/');
+ imap_strout(buf);
+ cprintf(" ");
+ }
+ else {
+ cprintf("\"TEXT\" \"PLAIN\" ");
+ }
+
+ cprintf("(\"CHARSET\" \"US-ASCII\"");
+
+ if (name != NULL) if (strlen(name)>0) {
+ cprintf(" \"NAME\" ");
+ imap_strout(name);
+ }
+
+ if (filename != NULL) if (strlen(filename)>0) {
+ cprintf(" \"FILENAME\" ");
+ imap_strout(name);
+ }
+
+ cprintf(") ");
+
+ cprintf("NIL NIL ");
+
+ if (encoding != NULL) if (strlen(encoding) > 0) have_encoding = 1;
+
+ if (have_encoding) {
+ imap_strout(encoding);
+ }
+ else {
+ imap_strout("7BIT");
+ }
+ cprintf(" ");
+
+ cprintf("%ld ", length); /* bytes */
+ cprintf("NIL) "); /* lines */
+}
+
+
+
+/*
+ * Spew the BODYSTRUCTURE data for a message. (Do you need a silencer if
+ * you're going to shoot a MIME? Do you need a reason to shoot Mark Crispin?
+ * No, and no.)
+ *
+ */
+void imap_fetch_bodystructure (long msgnum, char *item,
+ struct CtdlMessage *msg) {
+ FILE *tmp;
+ char buf[1024];
+ long lines = 0L;
+ long bytes = 0L;
+
+ /* For non-RFC822 (ordinary Citadel) messages, this is short and
+ * sweet...
+ */
+ if (msg->cm_format_type != FMT_RFC822) {
+
+ /* *sigh* We have to RFC822-format the message just to be able
+ * to measure it.
+ */
+ tmp = tmpfile();
+ if (tmp == NULL) return;
+ CtdlRedirectOutput(tmp, -1);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822, 0, 0, 1);
+ CtdlRedirectOutput(NULL, -1);
+
+ rewind(tmp);
+ while (fgets(buf, sizeof buf, tmp) != NULL) ++lines;
+ bytes = ftell(tmp);
+ fclose(tmp);
+
+ cprintf("BODYSTRUCTURE (\"TEXT\" \"PLAIN\" "
+ "(\"CHARSET\" \"US-ASCII\") NIL NIL "
+ "\"7BIT\" %ld %ld)", bytes, lines);
+
+ return;
+ }
+
+ /* For messages already stored in RFC822 format, we have to parse. */
+ cprintf("BODYSTRUCTURE ");
+ mime_parser(msg->cm_fields['M'],
+ NULL,
+ *imap_fetch_bodystructure_part, /* part */
+ *imap_fetch_bodystructure_pre, /* pre-multi */
+ *imap_fetch_bodystructure_post, /* post-multi */
+ NULL,
+ 0);
+}
+
+
+
+
/*
1, msg);
}
else if (!strcasecmp(itemlist[i], "BODYSTRUCTURE")) {
- /* FIXME do something here */
+ imap_fetch_bodystructure(IMAP->msgids[seq-1],
+ itemlist[i], msg);
}
else if (!strcasecmp(itemlist[i], "ENVELOPE")) {
- /* FIXME do something here */
+ imap_fetch_envelope(IMAP->msgids[seq-1], msg);
}
else if (!strcasecmp(itemlist[i], "FLAGS")) {
- imap_fetch_flags(msg);
+ imap_fetch_flags(seq-1);
}
else if (!strcasecmp(itemlist[i], "INTERNALDATE")) {
imap_fetch_internaldate(msg);
}
else if (!strcasecmp(itemlist[i], "RFC822")) {
- imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
+ imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
}
else if (!strcasecmp(itemlist[i], "RFC822.HEADER")) {
- imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
+ imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
}
else if (!strcasecmp(itemlist[i], "RFC822.SIZE")) {
- imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
+ imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
}
else if (!strcasecmp(itemlist[i], "RFC822.TEXT")) {
- imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
+ imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i], msg);
}
else if (!strcasecmp(itemlist[i], "UID")) {
imap_fetch_uid(seq);
if (IMAP->num_msgs > 0)
for (i = 0; i < IMAP->num_msgs; ++i)
- if (IMAP->flags[i] && IMAP_FETCHED) {
+ if (IMAP->flags[i] & IMAP_SELECTED) {
msg = CtdlFetchMessage(IMAP->msgids[i]);
if (msg != NULL) {
imap_do_fetch_msg(i+1, msg, num_items, itemlist);
/*
* One particularly hideous aspect of IMAP is that we have to allow the client
* to specify arbitrary ranges and/or sets of messages to fetch. Citadel IMAP
- * handles this by setting the IMAP_FETCHED flag for each message specified in
+ * handles this by setting the IMAP_SELECTED flag for each message specified in
* the ranges/sets, then looping through the message array, outputting messages
* with the flag set. We don't bother returning an error if an out-of-range
* number is specified (we just return quietly) because any client braindead
* enough to request a bogus message number isn't going to notice the
* difference anyway.
*
- * This function clears out the IMAP_FETCHED bits, then sets that bit for each
+ * This function clears out the IMAP_SELECTED bits, then sets that bit for each
* message included in the specified range.
*
* Set is_uid to 1 to fetch by UID instead of sequence number.
*/
-void imap_pick_range(char *range, int is_uid) {
+void imap_pick_range(char *supplied_range, int is_uid) {
int i;
int num_sets;
int s;
- char setstr[1024], lostr[1024], histr[1024];
+ char setstr[SIZ], lostr[SIZ], histr[SIZ]; /* was 1024 */
int lo, hi;
+ char actual_range[SIZ];
+
+ /*
+ * Handle the "ALL" macro
+ */
+ if (!strcasecmp(supplied_range, "ALL")) {
+ safestrncpy(actual_range, "1:*", sizeof actual_range);
+ }
+ else {
+ safestrncpy(actual_range, supplied_range, sizeof actual_range);
+ }
/*
- * Clear out the IMAP_FETCHED flags for all messages.
+ * Clear out the IMAP_SELECTED flags for all messages.
*/
- for (i = 1; i <= IMAP->num_msgs; ++i) {
- IMAP->flags[i-1] = IMAP->flags[i-1] & ~IMAP_FETCHED;
+ for (i = 0; i < IMAP->num_msgs; ++i) {
+ IMAP->flags[i] = IMAP->flags[i] & ~IMAP_SELECTED;
}
/*
* Now set it for all specified messages.
*/
- num_sets = num_tokens(range, ',');
+ num_sets = num_tokens(actual_range, ',');
for (s=0; s<num_sets; ++s) {
- extract_token(setstr, range, s, ',');
+ extract_token(setstr, actual_range, s, ',');
extract_token(lostr, setstr, 0, ':');
if (num_tokens(setstr, ':') >= 2) {
if ( (IMAP->msgids[i-1]>=lo)
&& (IMAP->msgids[i-1]<=hi)) {
IMAP->flags[i-1] =
- IMAP->flags[i-1] | IMAP_FETCHED;
+ IMAP->flags[i-1] | IMAP_SELECTED;
}
}
else { /* fetch by uid */
if ( (i>=lo) && (i<=hi)) {
IMAP->flags[i-1] =
- IMAP->flags[i-1] | IMAP_FETCHED;
+ IMAP->flags[i-1] | IMAP_SELECTED;
}
}
}
}
+
}
* This function is called by the main command loop.
*/
void imap_fetch(int num_parms, char *parms[]) {
- char items[1024];
- char *itemlist[256];
+ char items[SIZ]; /* was 1024 */
+ char *itemlist[SIZ];
int num_items;
int i;
* This function is called by the main command loop.
*/
void imap_uidfetch(int num_parms, char *parms[]) {
- char items[1024];
- char *itemlist[256];
+ char items[SIZ]; /* was 1024 */
+ char *itemlist[SIZ];
int num_items;
int i;
int have_uid_item = 0;
projects / citadel.git / blobdiff