#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"
#include "config.h"
-#include "dynloader.h"
+#include "serv_extensions.h"
#include "room_ops.h"
#include "user_ops.h"
#include "policy.h"
struct imap_fetch_part {
- char desired_section[256];
+ char desired_section[SIZ];
FILE *output_fp;
};
* Individual field functions for imap_do_fetch_msg() ...
*/
-
-
void imap_fetch_uid(int seq) {
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) {
+ int num_flags_printed = 0;
+ cprintf("FLAGS (");
+ if (IMAP->flags[seq] & IMAP_DELETED) {
+ if (num_flags_printed > 0) cprintf(" ");
+ cprintf("\\Deleted");
+ ++num_flags_printed;
+ }
+ if (IMAP->flags[seq] & IMAP_SEEN) {
+ if (num_flags_printed > 0) cprintf(" ");
+ cprintf("\\Seen");
+ ++num_flags_printed;
+ }
+ if (IMAP->flags[seq] & IMAP_ANSWERED) {
+ if (num_flags_printed > 0) cprintf(" ");
+ cprintf("\\Answered");
+ ++num_flags_printed;
+ }
+ if (IMAP->flags[seq] & IMAP_RECENT) {
+ if (num_flags_printed > 0) cprintf(" ");
+ cprintf("\\Recent");
+ ++num_flags_printed;
+ }
+ cprintf(")");
}
void imap_fetch_internaldate(struct CtdlMessage *msg) {
- char buf[256];
+ char buf[SIZ];
time_t msgdate;
if (msg->cm_fields['T'] != NULL) {
msgdate = time(NULL);
}
- datestring(buf, msgdate, DATESTRING_IMAP);
+ datestring(buf, sizeof buf, msgdate, DATESTRING_IMAP);
cprintf("INTERNALDATE \"%s\"", buf);
}
* "RFC822.SIZE" size of translated message
* "RFC822.TEXT" body only (without leading blank line)
*/
-void imap_fetch_rfc822(int msgnum, char *whichfmt) {
- FILE *tmp;
- char buf[1024];
+void imap_fetch_rfc822(long msgnum, char *whichfmt) {
+ char buf[SIZ];
char *ptr;
long headers_size, text_size, total_size;
long bytes_remaining = 0;
long blocksize;
+ FILE *tmp = NULL;
- tmp = tmpfile();
- if (tmp == NULL) {
- lprintf(1, "Cannot open temp file: %s\n", strerror(errno));
- return;
+ /* Cache the most recent RFC822 FETCH because some clients like to
+ * fetch in pieces, and we don't want to have to go back to the
+ * message store for each piece.
+ */
+ if ((IMAP->cached_fetch != NULL) && (IMAP->cached_msgnum == msgnum)) {
+ /* Good to go! */
+ tmp = IMAP->cached_fetch;
+ }
+ else if (IMAP->cached_fetch != NULL) {
+ /* Some other message is cached -- free it */
+ fclose(IMAP->cached_fetch);
+ IMAP->cached_fetch == NULL;
+ IMAP->cached_msgnum = (-1);
}
- /*
- * Load the message into a temp file for translation and measurement
- */
- CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 0, 0, 1);
- CtdlRedirectOutput(NULL, -1);
+ /* At this point, we now can fetch and convert the message iff it's not
+ * the one we had cached.
+ */
+ if (tmp == NULL) {
+ tmp = tmpfile();
+ if (tmp == NULL) {
+ lprintf(CTDL_CRIT, "Cannot open temp file: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ /*
+ * Load the message into a temp file for translation
+ * and measurement
+ */
+ TRACE;
+ CtdlRedirectOutput(tmp, -1);
+ TRACE;
+ CtdlOutputMsg(msgnum, MT_RFC822, HEADERS_ALL, 0, 1);
+ TRACE;
+ CtdlRedirectOutput(NULL, -1);
+ TRACE;
+
+ IMAP->cached_fetch = tmp;
+ IMAP->cached_msgnum = msgnum;
+ }
/*
* Now figure out where the headers/text break is. IMAP considers the
ptr = fgets(buf, sizeof buf, tmp);
if (ptr != NULL) {
striplt(buf);
- if (strlen(buf) == 0) headers_size = ftell(tmp);
+ if (strlen(buf) == 0) {
+ headers_size = ftell(tmp);
+ }
}
} while ( (headers_size == 0L) && (ptr != NULL) );
fseek(tmp, 0L, SEEK_END);
total_size = ftell(tmp);
text_size = total_size - headers_size;
+ lprintf(CTDL_DEBUG, "RFC822: headers=%ld, text=%ld, total=%ld\n",
+ headers_size, text_size, total_size);
if (!strcasecmp(whichfmt, "RFC822.SIZE")) {
cprintf("RFC822.SIZE %ld", total_size);
- fclose(tmp);
return;
}
}
cprintf("%s {%ld}\r\n", whichfmt, bytes_remaining);
- blocksize = sizeof(buf);
+ blocksize = (long)sizeof(buf);
while (bytes_remaining > 0L) {
if (blocksize > bytes_remaining) blocksize = bytes_remaining;
- fread(buf, blocksize, 1, tmp);
- client_write(buf, blocksize);
+ fread(buf, (size_t)blocksize, 1, tmp);
+ client_write(buf, (int)blocksize);
bytes_remaining = bytes_remaining - blocksize;
}
- fclose(tmp);
}
/*
* 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.
void *cbuserdata)
{
struct imap_fetch_part *imfp;
- char mbuf2[1024];
+ char mbuf2[SIZ];
imfp = (struct imap_fetch_part *)cbuserdata;
fwrite(content, length, 1, imfp->output_fp);
}
- sprintf(mbuf2, "%s.MIME", partnum);
+ snprintf(mbuf2, sizeof mbuf2, "%s.MIME", partnum);
if (!strcasecmp(imfp->desired_section, mbuf2)) {
fprintf(imfp->output_fp, "Content-type: %s", cbtype);
}
fprintf(imfp->output_fp, "\r\n");
}
- fprintf(imfp->output_fp, "Content-Length: %d\r\n", length);
+ fprintf(imfp->output_fp, "Content-Length: %ld\r\n", (long)length);
fprintf(imfp->output_fp, "\r\n");
}
}
+/*
+ * 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[SIZ], node[SIZ], name[SIZ];
+ /* For anonymous messages, it's so easy! */
+ if (!is_room_aide() && (msg->cm_anon_type == MES_ANONONLY)) {
+ cprintf("((\"----\" NIL \"x\" \"x.org\")) ");
+ return;
+ }
+ if (!is_room_aide() && (msg->cm_anon_type == MES_ANONOPT)) {
+ cprintf("((\"anonymous\" NIL \"x\" \"x.org\")) ");
+ return;
+ }
+
+ /* For everything else, we do stuff. */
+ 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 */
+}
+
+
+
+/*
+ * Output an envelope address (or set of addresses) in the official,
+ * Crispin-approved braindead format. (Note that we can't use this for
+ * the "From" address because its data may come from a number of different
+ * fields. But we can use it for "To" and possibly others.
+ */
+void imap_output_envelope_addr(char *addr) {
+ char individual_addr[SIZ];
+ int num_addrs;
+ int i;
+ char user[SIZ];
+ char node[SIZ];
+ char name[SIZ];
+
+ if (addr == NULL) {
+ cprintf("NIL ");
+ return;
+ }
+
+ if (strlen(addr) == 0) {
+ cprintf("NIL ");
+ return;
+ }
+
+ cprintf("(");
+
+ /* How many addresses are listed here? */
+ num_addrs = num_tokens(addr, ',');
+
+ /* Output them one by one. */
+ for (i=0; i<num_addrs; ++i) {
+ extract_token(individual_addr, addr, i, ',');
+ striplt(individual_addr);
+ process_rfc822_addr(individual_addr, user, node, name);
+ cprintf("(");
+ imap_strout(name);
+ cprintf(" NIL ");
+ imap_strout(user);
+ cprintf(" ");
+ imap_strout(node);
+ cprintf(")");
+ if (i < (num_addrs-1)) cprintf(" ");
+ }
+
+ cprintf(") ");
+}
+
+
+/*
+ * Implements the ENVELOPE fetch item
+ *
+ * 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, sizeof 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 (default to same as 'From' if not present) */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "Sender");
+ if (fieldptr != NULL) {
+ imap_output_envelope_addr(fieldptr);
+ free(fieldptr);
+ }
+ else {
+ imap_output_envelope_from(msg);
+ }
+
+ /* Reply-to */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "Reply-to");
+ if (fieldptr != NULL) {
+ imap_output_envelope_addr(fieldptr);
+ free(fieldptr);
+ }
+ else {
+ imap_output_envelope_from(msg);
+ }
+
+ /* To */
+ imap_output_envelope_addr(msg->cm_fields['R']);
+
+ /* Cc */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "Cc");
+ imap_output_envelope_addr(fieldptr);
+ if (fieldptr != NULL) free(fieldptr);
+
+ /* Bcc */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "Bcc");
+ imap_output_envelope_addr(fieldptr);
+ if (fieldptr != NULL) free(fieldptr);
+
+ /* In-reply-to */
+ fieldptr = rfc822_fetch_field(msg->cm_fields['M'], "In-reply-to");
+ imap_strout(fieldptr);
+ cprintf(" ");
+ if (fieldptr != NULL) free(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[SIZ];
+ 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 = strdup(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 = malloc((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;
+ }
+
+ strcat(boiled_headers, "\r\n");
+
+ /* Now write it back */
+ rewind(fp);
+ fwrite(boiled_headers, strlen(boiled_headers), 1, fp);
+ fflush(fp);
+ ftruncate(fileno(fp), ftell(fp));
+ fflush(fp);
+ rewind(fp);
+ free(which_fields);
+ free(boiled_headers);
+}
/*
* Implements the BODY and BODY.PEEK fetch items
*/
-void imap_fetch_body(long msgnum, char *item, int is_peek,
- struct CtdlMessage *msg) {
- char section[1024];
- char partial[1024];
+void imap_fetch_body(long msgnum, char *item, int is_peek) {
+ struct CtdlMessage *msg = NULL;
+ char section[SIZ];
+ char partial[SIZ];
int is_partial = 0;
- char buf[1024];
- int i;
- FILE *tmp;
+ char buf[SIZ];
+ FILE *tmp = NULL;
long bytes_remaining = 0;
long blocksize;
long pstart, pbytes;
struct imap_fetch_part imfp;
/* extract section */
- strcpy(section, item);
- for (i=0; i<strlen(section); ++i) {
- if (section[i]=='[') strcpy(section, §ion[i+1]);
- }
- for (i=0; i<strlen(section); ++i) {
- if (section[i]==']') section[i] = 0;
+ safestrncpy(section, item, sizeof section);
+ if (strchr(section, '[') != NULL) {
+ stripallbut(section, '[', ']');
}
- lprintf(9, "Section is %s\n", section);
+ lprintf(CTDL_DEBUG, "Section is: %s%s\n", section, ((strlen(section)==0) ? "(empty)" : "") );
- /* extract partial */
- strcpy(partial, item);
- for (i=0; i<strlen(partial); ++i) {
- if (partial[i]=='<') {
- strcpy(partial, &partial[i+1]);
- is_partial = 1;
+ /* Burn the cache if we don't have the same section of the
+ * same message again.
+ */
+ if (IMAP->cached_body != NULL) {
+ if ((IMAP->cached_bodymsgnum != msgnum)
+ || (strcasecmp(IMAP->cached_bodypart, section)) ) {
+ fclose(IMAP->cached_body);
+ IMAP->cached_body = NULL;
+ IMAP->cached_bodymsgnum = (-1);
+ strcpy(IMAP->cached_bodypart, "");
}
}
- for (i=0; i<strlen(partial); ++i) {
- if (partial[i]=='>') partial[i] = 0;
- }
- lprintf(9, "Partial is %s\n", partial);
- tmp = tmpfile();
- if (tmp == NULL) {
- lprintf(1, "Cannot open temp file: %s\n", strerror(errno));
- return;
+ /* extract partial */
+ safestrncpy(partial, item, sizeof partial);
+ if (strchr(partial, '<') != NULL) {
+ stripallbut(partial, '<', '>');
+ is_partial = 1;
+ }
+ if (is_partial == 0) strcpy(partial, "");
+ if (strlen(partial) > 0) lprintf(CTDL_DEBUG, "Partial is %s\n", partial);
+
+ if (IMAP->cached_body == NULL) {
+ tmp = tmpfile();
+ if (tmp == NULL) {
+ lprintf(CTDL_CRIT, "Cannot open temp file: %s\n", strerror(errno));
+ return;
+ }
+ msg = CtdlFetchMessage(msgnum, 1);
+TRACE;
}
/* Now figure out what the client wants, and get it */
+TRACE;
- if (!strcmp(section, "")) { /* the whole thing */
+ if (IMAP->cached_body != NULL) {
+ tmp = IMAP->cached_body;
+TRACE;
+ }
+ else if ( (!strcmp(section, "1")) && (msg->cm_format_type != 4) ) {
+TRACE;
CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 0, 0, 1);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822,
+ HEADERS_NONE, 0, 1);
CtdlRedirectOutput(NULL, -1);
+TRACE;
+ }
+
+ else if (!strcmp(section, "")) {
+TRACE;
+ CtdlRedirectOutput(tmp, -1);
+TRACE;
+ lprintf(CTDL_DEBUG, "calling CtdlOutputPreLoadedMsg()\n");
+ lprintf(CTDL_DEBUG, "msg %s null\n", ((msg == NULL) ? "is" : "is not") );
+ lprintf(CTDL_DEBUG, "msgnum is %ld\n", msgnum);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822,
+ HEADERS_ALL, 0, 1);
+TRACE;
+ CtdlRedirectOutput(NULL, -1);
+TRACE;
}
/*
- * 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)) {
+TRACE;
+ CtdlRedirectOutput(tmp, -1);
+TRACE;
+ lprintf(CTDL_DEBUG, "calling CtdlOutputPreLoadedMsg()\n");
+ lprintf(CTDL_DEBUG, "msg %s null\n", ((msg == NULL) ? "is" : "is not") );
+ lprintf(CTDL_DEBUG, "msgnum is %ld\n", msgnum);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822,
+ HEADERS_ONLY, 0, 1);
+TRACE;
+ CtdlRedirectOutput(NULL, -1);
+ imap_strip_headers(tmp, section);
+ }
+
+ /*
+ * Strip it down if the client asked for everything _except_ headers.
+ */
+ else if (!strncasecmp(section, "TEXT", 4)) {
CtdlRedirectOutput(tmp, -1);
- CtdlOutputMsg(msgnum, MT_RFC822, 1, 0, 1);
+ lprintf(CTDL_DEBUG, "calling CtdlOutputPreLoadedMsg()\n");
+ lprintf(CTDL_DEBUG, "msg %s null\n", ((msg == NULL) ? "is" : "is not") );
+ lprintf(CTDL_DEBUG, "msgnum is %ld\n", msgnum);
+ CtdlOutputPreLoadedMsg(msg, msgnum, MT_RFC822,
+ HEADERS_NONE, 0, 1);
+TRACE;
CtdlRedirectOutput(NULL, -1);
- fprintf(tmp, "\r\n"); /* add the trailing newline */
+TRACE;
}
/*
* (Note value of 1 passed as 'dont_decode' so client gets it encoded)
*/
else {
+TRACE;
safestrncpy(imfp.desired_section, section,
sizeof(imfp.desired_section));
+TRACE;
imfp.output_fp = tmp;
+TRACE;
mime_parser(msg->cm_fields['M'], NULL,
- *imap_load_part,
+ *imap_load_part, NULL, NULL,
(void *)&imfp,
1);
+TRACE;
}
+TRACE;
fseek(tmp, 0L, SEEK_END);
+TRACE;
bytes_remaining = ftell(tmp);
+TRACE;
if (is_partial == 0) {
+TRACE;
rewind(tmp);
cprintf("BODY[%s] {%ld}\r\n", section, bytes_remaining);
+TRACE;
}
else {
+TRACE;
sscanf(partial, "%ld.%ld", &pstart, &pbytes);
if ((bytes_remaining - pstart) < pbytes) {
pbytes = bytes_remaining - pstart;
}
+TRACE;
fseek(tmp, pstart, SEEK_SET);
+TRACE;
bytes_remaining = pbytes;
- cprintf("BODY[%s] {%ld}<%ld>\r\n",
- section, bytes_remaining, pstart);
+TRACE;
+ cprintf("BODY[%s]<%ld> {%ld}\r\n",
+ section, pstart, bytes_remaining);
}
+TRACE;
- blocksize = sizeof(buf);
+ blocksize = (long)sizeof(buf);
+TRACE;
while (bytes_remaining > 0L) {
+TRACE;
if (blocksize > bytes_remaining) blocksize = bytes_remaining;
+TRACE;
fread(buf, blocksize, 1, tmp);
- client_write(buf, blocksize);
+TRACE;
+ client_write(buf, (int)blocksize);
+TRACE;
bytes_remaining = bytes_remaining - blocksize;
+TRACE;
}
- fclose(tmp);
+TRACE;
+ /* Don't close it ... cache it! */
+ /* fclose(tmp); */
+TRACE;
+ IMAP->cached_body = tmp;
+ IMAP->cached_bodymsgnum = msgnum;
+ strcpy(IMAP->cached_bodypart, section);
+TRACE;
+
+ if (msg != NULL) {
+TRACE;
+ CtdlFreeMessage(msg);
+ }
- if (is_peek) {
- /* FIXME set the last read pointer or something */
+ /* Mark this message as "seen" *unless* this is a "peek" operation */
+TRACE;
+ if (is_peek == 0) {
+ CtdlSetSeen(msgnum, 1, ctdlsetseen_seen);
}
+TRACE;
+}
+
+/*
+ * 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("(");
}
/*
- * imap_do_fetch() calls imap_do_fetch_msg() to output the deta of an
- * individual message, once it has been successfully loaded from disk.
+ * Called immediately after outputting a multipart bodystructure
*/
-void imap_do_fetch_msg(int seq, struct CtdlMessage *msg,
- int num_items, char **itemlist) {
- int i;
+void imap_fetch_bodystructure_post(
+ char *name, char *filename, char *partnum, char *disp,
+ void *content, char *cbtype, size_t length, char *encoding,
+ void *cbuserdata
+ ) {
- cprintf("* %d FETCH (", seq);
+ char subtype[SIZ];
- for (i=0; i<num_items; ++i) {
+ cprintf(" ");
+
+ /* disposition */
+ extract_token(subtype, cbtype, 1, '/');
+ imap_strout(subtype);
+
+ /* body language */
+ cprintf(" NIL");
+
+ 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
+ ) {
+
+ int have_cbtype = 0;
+ int have_encoding = 0;
+ int lines = 0;
+ size_t i;
+ char cbmaintype[SIZ];
+ char cbsubtype[SIZ];
+
+ if (cbtype != NULL) if (strlen(cbtype)>0) have_cbtype = 1;
+ if (have_cbtype) {
+ extract_token(cbmaintype, cbtype, 0, '/');
+ extract_token(cbsubtype, cbtype, 1, '/');
+ }
+ else {
+ strcpy(cbmaintype, "TEXT");
+ strcpy(cbsubtype, "PLAIN");
+ }
- if (!strncasecmp(itemlist[i], "BODY[", 5)) {
- imap_fetch_body(IMAP->msgids[seq-1], itemlist[i],
- 0, msg);
+ cprintf("(");
+ imap_strout(cbmaintype);
+ cprintf(" ");
+ imap_strout(cbsubtype);
+ cprintf(" ");
+
+ cprintf("(\"CHARSET\" \"US-ASCII\"");
+
+ if (name != NULL) if (strlen(name)>0) {
+ cprintf(" \"NAME\" ");
+ imap_strout(name);
+ }
+
+ cprintf(") ");
+
+ cprintf("NIL "); /* Body ID */
+ cprintf("NIL "); /* Body description */
+
+ if (encoding != NULL) if (strlen(encoding) > 0) have_encoding = 1;
+ if (have_encoding) {
+ imap_strout(encoding);
+ }
+ else {
+ imap_strout("7BIT");
+ }
+ cprintf(" ");
+
+ /* The next field is the size of the part in bytes. */
+ cprintf("%ld ", (long)length); /* bytes */
+
+ /* The next field is the number of lines in the part, if and only
+ * if the part is TEXT. Crispin is a fscking idiot.
+ */
+ if (!strcasecmp(cbmaintype, "TEXT")) {
+ if (length) for (i=0; i<length; ++i) {
+ if (((char *)content)[i] == '\n') ++lines;
}
- else if (!strncasecmp(itemlist[i], "BODY.PEEK[", 10)) {
- imap_fetch_body(IMAP->msgids[seq-1], itemlist[i],
- 1, msg);
+ cprintf("%d ", lines);
+ }
+
+ /* More of Crispin being a fscking idiot */
+ if ((!strcasecmp(cbmaintype, "MESSAGE"))
+ && (!strcasecmp(cbsubtype, "RFC822"))) {
+ /* FIXME
+ A body type of type MESSAGE and subtype RFC822
+ contains, immediately after the basic fields, the
+ envelope structure, body structure, and size in
+ text lines of the encapsulated message.
+ */
+ }
+
+ /* MD5 value of body part; we can get away with NIL'ing this */
+ cprintf("NIL ");
+
+ /* Disposition */
+ if (disp == NULL) {
+ cprintf("NIL");
+ }
+ else if (strlen(disp) == 0) {
+ cprintf("NIL");
+ }
+ else {
+ cprintf("(");
+ imap_strout(disp);
+ if (filename != NULL) if (strlen(filename)>0) {
+ cprintf(" (\"FILENAME\" ");
+ imap_strout(filename);
+ cprintf(")");
}
- else if (!strcasecmp(itemlist[i], "BODYSTRUCTURE")) {
- /* FIXME do something here */
+ cprintf(")");
+ }
+
+ /* Body language (not defined yet) */
+ cprintf(" NIL)");
+}
+
+
+
+/*
+ * 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[SIZ];
+ long lines = 0L;
+ long start_of_body = 0L;
+ long body_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;
+ if ((!strcmp(buf, "\r\n")) && (start_of_body == 0L)) {
+ start_of_body = ftell(tmp);
+ }
}
- else if (!strcasecmp(itemlist[i], "ENVELOPE")) {
- /* FIXME do something here */
+ body_bytes = ftell(tmp) - start_of_body;
+ fclose(tmp);
+
+ cprintf("BODYSTRUCTURE (\"TEXT\" \"PLAIN\" "
+ "(\"CHARSET\" \"US-ASCII\") NIL NIL "
+ "\"7BIT\" %ld %ld)", body_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,
+ 1); /* don't decode -- we want it as-is */
+}
+
+
+/*
+ * imap_do_fetch() calls imap_do_fetch_msg() to output the data of an
+ * individual message, once it has been selected for output.
+ */
+void imap_do_fetch_msg(int seq, int num_items, char **itemlist) {
+ int i;
+ struct CtdlMessage *msg = NULL;
+
+ lprintf(CTDL_DEBUG, "imap_do_fetch_msg(%d, %d)\n", seq, num_items);
+ for (i=0; i<num_items; ++i) {
+ lprintf(CTDL_DEBUG, " %s\n", itemlist[i]);
+ }
+
+ cprintf("* %d FETCH (", seq);
+
+ for (i=0; i<num_items; ++i) {
+
+ /* Fetchable without going to the message store at all */
+ if (!strcasecmp(itemlist[i], "UID")) {
+ imap_fetch_uid(seq);
}
else if (!strcasecmp(itemlist[i], "FLAGS")) {
- imap_fetch_flags(msg);
- }
- else if (!strcasecmp(itemlist[i], "INTERNALDATE")) {
- imap_fetch_internaldate(msg);
+ imap_fetch_flags(seq-1);
}
+
+ /* Potentially fetchable from cache, if the client requests
+ * stuff from the same message several times in a row.
+ */
else if (!strcasecmp(itemlist[i], "RFC822")) {
imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
}
else if (!strcasecmp(itemlist[i], "RFC822.TEXT")) {
imap_fetch_rfc822(IMAP->msgids[seq-1], itemlist[i]);
}
- else if (!strcasecmp(itemlist[i], "UID")) {
- imap_fetch_uid(seq);
+
+ /* BODY fetches do their own fetching and caching too. */
+ else if (!strncasecmp(itemlist[i], "BODY[", 5)) {
+ imap_fetch_body(IMAP->msgids[seq-1], itemlist[i], 0);
+ }
+ else if (!strncasecmp(itemlist[i], "BODY.PEEK[", 10)) {
+ imap_fetch_body(IMAP->msgids[seq-1], itemlist[i], 1);
+ }
+
+ /* Otherwise, load the message into memory.
+ */
+ else if (!strcasecmp(itemlist[i], "BODYSTRUCTURE")) {
+ if (msg == NULL) msg = CtdlFetchMessage(IMAP->msgids[seq-1], 1);
+ imap_fetch_bodystructure(IMAP->msgids[seq-1],
+ itemlist[i], msg);
+ }
+ else if (!strcasecmp(itemlist[i], "ENVELOPE")) {
+ if (msg == NULL) msg = CtdlFetchMessage(IMAP->msgids[seq-1], 1);
+ imap_fetch_envelope(IMAP->msgids[seq-1], msg);
+ }
+ else if (!strcasecmp(itemlist[i], "INTERNALDATE")) {
+ if (msg == NULL) msg = CtdlFetchMessage(IMAP->msgids[seq-1], 1);
+ imap_fetch_internaldate(msg);
}
if (i != num_items-1) cprintf(" ");
}
cprintf(")\r\n");
+ if (msg != NULL) {
+ CtdlFreeMessage(msg);
+ }
}
*/
void imap_do_fetch(int num_items, char **itemlist) {
int i;
- struct CtdlMessage *msg;
-
- if (IMAP->num_msgs > 0)
- for (i = 0; i < IMAP->num_msgs; ++i)
- if (IMAP->flags[i] && IMAP_FETCHED) {
- msg = CtdlFetchMessage(IMAP->msgids[i]);
- if (msg != NULL) {
- imap_do_fetch_msg(i+1, msg, num_items, itemlist);
- CtdlFreeMessage(msg);
- }
- else {
- cprintf("* %d FETCH <internal error>\r\n", i+1);
+
+ if (IMAP->num_msgs > 0) {
+ for (i = 0; i < IMAP->num_msgs; ++i) {
+ if (IMAP->flags[i] & IMAP_SELECTED) {
+ imap_do_fetch_msg(i+1, num_items, itemlist);
+ }
}
}
}
* is not a generic search-and-replace function.
*/
void imap_macro_replace(char *str, char *find, char *replace) {
- char holdbuf[1024];
+ char holdbuf[SIZ];
if (!strncasecmp(str, find, strlen(find))) {
if (str[strlen(find)]==' ') {
/*
* 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];
- int lo, hi;
+ char setstr[SIZ], lostr[SIZ], histr[SIZ];
+ long 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) {
extract_token(histr, setstr, 1, ':');
- if (!strcmp(histr, "*")) sprintf(histr, "%d", INT_MAX);
+ if (!strcmp(histr, "*")) snprintf(histr, sizeof histr, "%ld", LONG_MAX);
}
else {
strcpy(histr, lostr);
}
- lo = atoi(lostr);
- hi = atoi(histr);
+ lo = atol(lostr);
+ hi = atol(histr);
/* Loop through the array, flipping bits where appropriate */
for (i = 1; i <= IMAP->num_msgs; ++i) {
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];
+ 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];
+ char *itemlist[SIZ];
int num_items;
int i;
int have_uid_item = 0;
projects / citadel.git / blobdiff