static HEADER *maildir_parse_message(int magic, const char *fname, int is_old)
{
FILE *f;
HEADER *h = NULL;
struct stat st;
if ((f = fopen (fname, "r")) != NULL)
{
h = mutt_new_header();
h->env = mutt_read_rfc822_header (f, h, 0, 0);
fstat (fileno (f), &st);
fclose (f);
if (!h->received)
h->received = h->date_sent;
if (h->content->length <= 0)
h->content->length = st.st_size - h->content->offset;
h->index = -1;
if (magic == M_MAILDIR)
{
/* maildir stores its flags in the filename, so ignore the flags in
* the header of the message
*/
h->old = is_old;
maildir_parse_flags(h, fname);
}
}
return h;
}
int mutt_prepare_template (FILE *fp, CONTEXT *ctx, HEADER *newhdr, HEADER *hdr,
short weed)
{
MESSAGE *msg = NULL;
char file[_POSIX_PATH_MAX];
BODY *b;
FILE *bfp;
int rv = -1;
STATE s;
memset (&s, 0, sizeof (s));
if (!fp && (msg = mx_open_message (ctx, hdr->msgno)) == NULL)
return (-1);
if (!fp) fp = msg->fp;
bfp = fp;
/* parse the message header and MIME structure */
fseeko (fp, hdr->offset, 0);
newhdr->offset = hdr->offset;
newhdr->env = mutt_read_rfc822_header (fp, newhdr, 1, weed);
newhdr->content->length = hdr->content->length;
mutt_parse_part (fp, newhdr->content);
/* If message_id is set, then we are resending a message and don't want
* message_id or mail_followup_to. Otherwise, we are resuming a
* postponed message, and want to keep the mail_followup_to.
*/
if (newhdr->env->message_id != NULL)
{
FREE (&newhdr->env->message_id);
FREE (&newhdr->env->mail_followup_to);
}
/* decrypt pgp/mime encoded messages */
if ((WithCrypto & (APPLICATION_PGP|APPLICATION_SMIME) & hdr->security)
&& mutt_is_multipart_encrypted (newhdr->content))
{
int ccap = WithCrypto & (APPLICATION_PGP|APPLICATION_SMIME) & hdr->security;
newhdr->security |= ENCRYPT | ccap;
if (!crypt_valid_passphrase (ccap))
goto err;
mutt_message _("Decrypting message...");
if (((ccap & APPLICATION_PGP) && crypt_pgp_decrypt_mime (fp, &bfp, newhdr->content, &b) == -1)
|| ((ccap & APPLICATION_SMIME) && crypt_smime_decrypt_mime (fp, &bfp, newhdr->content, &b) == -1)
|| b == NULL)
{
err:
mx_close_message (&msg);
mutt_free_envelope (&newhdr->env);
mutt_free_body (&newhdr->content);
mutt_error _("Decryption failed.");
return -1;
}
mutt_free_body (&newhdr->content);
newhdr->content = b;
mutt_clear_error ();
}
/*
* remove a potential multipart/signed layer - useful when
* resending messages
*/
if (WithCrypto && mutt_is_multipart_signed (newhdr->content))
{
newhdr->security |= SIGN;
if ((WithCrypto & APPLICATION_PGP)
&& ascii_strcasecmp (mutt_get_parameter ("protocol", newhdr->content->parameter), "application/pgp-signature") == 0)
newhdr->security |= APPLICATION_PGP;
else if ((WithCrypto & APPLICATION_SMIME))
newhdr->security |= APPLICATION_SMIME;
/* destroy the signature */
mutt_free_body (&newhdr->content->parts->next);
newhdr->content = mutt_remove_multipart (newhdr->content);
}
/*
* We don't need no primary multipart.
* Note: We _do_ preserve messages!
*
* XXX - we don't handle multipart/alternative in any
* smart way when sending messages. However, one may
* consider this a feature.
*
*/
if (newhdr->content->type == TYPEMULTIPART)
newhdr->content = mutt_remove_multipart (newhdr->content);
s.fpin = bfp;
/* create temporary files for all attachments */
for (b = newhdr->content; b; b = b->next)
{
/* what follows is roughly a receive-mode variant of
* mutt_get_tmp_attachment () from muttlib.c
*/
file[0] = '\0';
if (b->filename)
{
strfcpy (file, b->filename, sizeof (file));
b->d_filename = safe_strdup (b->filename);
}
else
{
/* avoid Content-Disposition: header with temporary filename */
b->use_disp = 0;
}
/* set up state flags */
s.flags = 0;
if (b->type == TYPETEXT)
{
if (!ascii_strcasecmp ("yes", mutt_get_parameter ("x-mutt-noconv", b->parameter)))
b->noconv = 1;
else
{
s.flags |= M_CHARCONV;
b->noconv = 0;
}
mutt_delete_parameter ("x-mutt-noconv", &b->parameter);
}
mutt_adv_mktemp (file, sizeof(file));
if ((s.fpout = safe_fopen (file, "w")) == NULL)
goto bail;
if ((WithCrypto & APPLICATION_PGP)
&& (mutt_is_application_pgp (b) & (ENCRYPT|SIGN)))
{
mutt_body_handler (b, &s);
newhdr->security |= mutt_is_application_pgp (newhdr->content);
b->type = TYPETEXT;
mutt_str_replace (&b->subtype, "plain");
mutt_delete_parameter ("x-action", &b->parameter);
}
else
mutt_decode_attachment (b, &s);
if (safe_fclose (&s.fpout) != 0)
goto bail;
mutt_str_replace (&b->filename, file);
b->unlink = 1;
mutt_stamp_attachment (b);
mutt_free_body (&b->parts);
if (b->hdr) b->hdr->content = NULL; /* avoid dangling pointer */
}
/* Fix encryption flags. */
/* No inline if multipart. */
if (WithCrypto && (newhdr->security & INLINE) && newhdr->content->next)
newhdr->security &= ~INLINE;
/* Do we even support multiple mechanisms? */
newhdr->security &= WithCrypto | ~(APPLICATION_PGP|APPLICATION_SMIME);
/* Theoretically, both could be set. Take the one the user wants to set by default. */
if ((newhdr->security & APPLICATION_PGP) && (newhdr->security & APPLICATION_SMIME))
{
if (option (OPTSMIMEISDEFAULT))
newhdr->security &= ~APPLICATION_PGP;
else
newhdr->security &= ~APPLICATION_SMIME;
}
rv = 0;
bail:
/* that's it. */
if (bfp != fp) safe_fclose (&bfp);
if (msg) mx_close_message (&msg);
if (rv == -1)
{
mutt_free_envelope (&newhdr->env);
mutt_free_body (&newhdr->content);
}
return rv;
}
/* imap_read_headers:
* Changed to read many headers instead of just one. It will return the
* msgno of the last message read. It will return a value other than
* msgend if mail comes in while downloading headers (in theory).
*/
int imap_read_headers (IMAP_DATA* idata, int msgbegin, int msgend)
{
CONTEXT* ctx;
char *hdrreq = NULL;
FILE *fp;
char tempfile[_POSIX_PATH_MAX];
int msgno, idx = msgbegin - 1;
IMAP_HEADER h;
IMAP_STATUS* status;
int rc, mfhrc, oldmsgcount;
int fetchlast = 0;
int maxuid = 0;
static const char * const want_headers = "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES LIST-POST X-LABEL";
progress_t progress;
int retval = -1;
#if USE_HCACHE
char buf[LONG_STRING];
unsigned int *uid_validity = NULL;
unsigned int *puidnext = NULL;
unsigned int uidnext = 0;
int evalhc = 0;
#endif /* USE_HCACHE */
ctx = idata->ctx;
if (mutt_bit_isset (idata->capabilities,IMAP4REV1))
{
safe_asprintf (&hdrreq, "BODY.PEEK[HEADER.FIELDS (%s%s%s)]",
want_headers, ImapHeaders ? " " : "", NONULL (ImapHeaders));
}
else if (mutt_bit_isset (idata->capabilities,IMAP4))
{
safe_asprintf (&hdrreq, "RFC822.HEADER.LINES (%s%s%s)",
want_headers, ImapHeaders ? " " : "", NONULL (ImapHeaders));
}
else
{ /* Unable to fetch headers for lower versions */
mutt_error _("Unable to fetch headers from this IMAP server version.");
mutt_sleep (2); /* pause a moment to let the user see the error */
goto error_out_0;
}
/* instead of downloading all headers and then parsing them, we parse them
* as they come in. */
mutt_mktemp (tempfile, sizeof (tempfile));
if (!(fp = safe_fopen (tempfile, "w+")))
{
mutt_error (_("Could not create temporary file %s"), tempfile);
mutt_sleep (2);
goto error_out_0;
}
unlink (tempfile);
/* make sure context has room to hold the mailbox */
while ((msgend) >= idata->ctx->hdrmax)
mx_alloc_memory (idata->ctx);
oldmsgcount = ctx->msgcount;
idata->reopen &= ~(IMAP_REOPEN_ALLOW|IMAP_NEWMAIL_PENDING);
idata->newMailCount = 0;
#if USE_HCACHE
idata->hcache = imap_hcache_open (idata, NULL);
if (idata->hcache && !msgbegin)
{
uid_validity = mutt_hcache_fetch_raw (idata->hcache, "/UIDVALIDITY", imap_hcache_keylen);
puidnext = mutt_hcache_fetch_raw (idata->hcache, "/UIDNEXT", imap_hcache_keylen);
if (puidnext)
{
uidnext = *puidnext;
FREE (&puidnext);
}
if (uid_validity && uidnext && *uid_validity == idata->uid_validity)
evalhc = 1;
FREE (&uid_validity);
}
if (evalhc)
{
/* L10N:
Comparing the cached data with the IMAP server's data */
mutt_progress_init (&progress, _("Evaluating cache..."),
MUTT_PROGRESS_MSG, ReadInc, msgend + 1);
snprintf (buf, sizeof (buf),
"UID FETCH 1:%u (UID FLAGS)", uidnext - 1);
imap_cmd_start (idata, buf);
rc = IMAP_CMD_CONTINUE;
for (msgno = msgbegin; rc == IMAP_CMD_CONTINUE; msgno++)
{
mutt_progress_update (&progress, msgno + 1, -1);
memset (&h, 0, sizeof (h));
h.data = safe_calloc (1, sizeof (IMAP_HEADER_DATA));
do
{
mfhrc = 0;
rc = imap_cmd_step (idata);
if (rc != IMAP_CMD_CONTINUE)
{
imap_free_header_data (&h.data);
break;
}
/* hole in the header cache */
if (!evalhc)
continue;
if ((mfhrc = msg_fetch_header (ctx, &h, idata->buf, NULL)) == -1)
continue;
else if (mfhrc < 0)
{
imap_free_header_data (&h.data);
break;
}
if (!h.data->uid)
{
dprint (2, (debugfile, "imap_read_headers: skipping hcache FETCH "
"response for unknown message number %d\n", h.sid));
mfhrc = -1;
continue;
}
idx++;
ctx->hdrs[idx] = imap_hcache_get (idata, h.data->uid);
if (ctx->hdrs[idx])
{
ctx->hdrs[idx]->index = idx;
/* messages which have not been expunged are ACTIVE (borrowed from mh
* folders) */
ctx->hdrs[idx]->active = 1;
ctx->hdrs[idx]->read = h.data->read;
ctx->hdrs[idx]->old = h.data->old;
ctx->hdrs[idx]->deleted = h.data->deleted;
ctx->hdrs[idx]->flagged = h.data->flagged;
ctx->hdrs[idx]->replied = h.data->replied;
ctx->hdrs[idx]->changed = h.data->changed;
/* ctx->hdrs[msgno]->received is restored from mutt_hcache_restore */
ctx->hdrs[idx]->data = (void *) (h.data);
ctx->msgcount++;
ctx->size += ctx->hdrs[idx]->content->length;
}
else
{
/* bad header in the cache, we'll have to refetch. */
dprint (3, (debugfile, "bad cache entry at %d, giving up\n", h.sid - 1));
imap_free_header_data(&h.data);
evalhc = 0;
idx--;
}
}
while (rc != IMAP_CMD_OK && mfhrc == -1);
if (rc == IMAP_CMD_OK)
break;
if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK)))
{
imap_free_header_data (&h.data);
imap_hcache_close (idata);
goto error_out_1;
}
}
/* could also look for first null header in case hcache is holey */
msgbegin = ctx->msgcount;
}
#endif /* USE_HCACHE */
mutt_progress_init (&progress, _("Fetching message headers..."),
MUTT_PROGRESS_MSG, ReadInc, msgend + 1);
for (msgno = msgbegin; msgno <= msgend ; msgno++)
{
mutt_progress_update (&progress, msgno + 1, -1);
/* we may get notification of new mail while fetching headers */
if (msgno + 1 > fetchlast)
{
char *cmd;
fetchlast = msgend + 1;
safe_asprintf (&cmd, "FETCH %d:%d (UID FLAGS INTERNALDATE RFC822.SIZE %s)",
msgno + 1, fetchlast, hdrreq);
imap_cmd_start (idata, cmd);
FREE (&cmd);
}
rewind (fp);
memset (&h, 0, sizeof (h));
h.data = safe_calloc (1, sizeof (IMAP_HEADER_DATA));
/* this DO loop does two things:
* 1. handles untagged messages, so we can try again on the same msg
* 2. fetches the tagged response at the end of the last message.
*/
do
{
mfhrc = 0;
rc = imap_cmd_step (idata);
if (rc != IMAP_CMD_CONTINUE)
break;
if ((mfhrc = msg_fetch_header (ctx, &h, idata->buf, fp)) == -1)
continue;
else if (mfhrc < 0)
break;
if (!ftello (fp))
{
dprint (2, (debugfile, "msg_fetch_header: ignoring fetch response with no body\n"));
mfhrc = -1;
msgend--;
continue;
}
/* make sure we don't get remnants from older larger message headers */
fputs ("\n\n", fp);
idx++;
if (idx > msgend)
{
dprint (1, (debugfile, "imap_read_headers: skipping FETCH response for "
"unknown message number %d\n", h.sid));
mfhrc = -1;
idx--;
continue;
}
/* May receive FLAGS updates in a separate untagged response (#2935) */
if (idx < ctx->msgcount)
{
dprint (2, (debugfile, "imap_read_headers: message %d is not new\n",
h.sid));
idx--;
continue;
}
ctx->hdrs[idx] = mutt_new_header ();
ctx->hdrs[idx]->index = h.sid - 1;
/* messages which have not been expunged are ACTIVE (borrowed from mh
* folders) */
ctx->hdrs[idx]->active = 1;
ctx->hdrs[idx]->read = h.data->read;
ctx->hdrs[idx]->old = h.data->old;
ctx->hdrs[idx]->deleted = h.data->deleted;
ctx->hdrs[idx]->flagged = h.data->flagged;
ctx->hdrs[idx]->replied = h.data->replied;
ctx->hdrs[idx]->changed = h.data->changed;
ctx->hdrs[idx]->received = h.received;
ctx->hdrs[idx]->data = (void *) (h.data);
if (maxuid < h.data->uid)
maxuid = h.data->uid;
rewind (fp);
/* NOTE: if Date: header is missing, mutt_read_rfc822_header depends
* on h.received being set */
ctx->hdrs[idx]->env = mutt_read_rfc822_header (fp, ctx->hdrs[idx],
0, 0);
/* content built as a side-effect of mutt_read_rfc822_header */
ctx->hdrs[idx]->content->length = h.content_length;
ctx->size += h.content_length;
#if USE_HCACHE
imap_hcache_put (idata, ctx->hdrs[idx]);
#endif /* USE_HCACHE */
ctx->msgcount++;
}
while ((rc != IMAP_CMD_OK) && ((mfhrc == -1) ||
((msgno + 1) >= fetchlast)));
if ((mfhrc < -1) || ((rc != IMAP_CMD_CONTINUE) && (rc != IMAP_CMD_OK)))
{
imap_free_header_data (&h.data);
#if USE_HCACHE
imap_hcache_close (idata);
#endif
goto error_out_1;
}
/* in case we get new mail while fetching the headers */
if (idata->reopen & IMAP_NEWMAIL_PENDING)
{
msgend = idata->newMailCount - 1;
while ((msgend) >= ctx->hdrmax)
mx_alloc_memory (ctx);
idata->reopen &= ~IMAP_NEWMAIL_PENDING;
idata->newMailCount = 0;
}
}
if (maxuid && (status = imap_mboxcache_get (idata, idata->mailbox, 0)) &&
(status->uidnext < maxuid + 1))
status->uidnext = maxuid + 1;
#if USE_HCACHE
mutt_hcache_store_raw (idata->hcache, "/UIDVALIDITY", &idata->uid_validity,
sizeof (idata->uid_validity), imap_hcache_keylen);
if (maxuid && idata->uidnext < maxuid + 1)
{
dprint (2, (debugfile, "Overriding UIDNEXT: %u -> %u\n", idata->uidnext, maxuid + 1));
idata->uidnext = maxuid + 1;
}
if (idata->uidnext > 1)
mutt_hcache_store_raw (idata->hcache, "/UIDNEXT", &idata->uidnext,
sizeof (idata->uidnext), imap_hcache_keylen);
imap_hcache_close (idata);
#endif /* USE_HCACHE */
if (ctx->msgcount > oldmsgcount)
{
mx_alloc_memory(ctx);
mx_update_context (ctx, ctx->msgcount - oldmsgcount);
}
idata->reopen |= IMAP_REOPEN_ALLOW;
retval = msgend;
error_out_1:
safe_fclose (&fp);
error_out_0:
FREE (&hdrreq);
return retval;
}
int imap_fetch_message (CONTEXT *ctx, MESSAGE *msg, int msgno)
{
IMAP_DATA* idata;
HEADER* h;
ENVELOPE* newenv;
char buf[LONG_STRING];
char path[_POSIX_PATH_MAX];
char *pc;
long bytes;
progress_t progressbar;
int uid;
int cacheno;
IMAP_CACHE *cache;
int read;
int rc;
/* Sam's weird courier server returns an OK response even when FETCH
* fails. Thanks Sam. */
short fetched = 0;
idata = (IMAP_DATA*) ctx->data;
h = ctx->hdrs[msgno];
if ((msg->fp = msg_cache_get (idata, h)))
{
if (HEADER_DATA(h)->parsed)
return 0;
else
goto parsemsg;
}
/* we still do some caching even if imap_cachedir is unset */
/* see if we already have the message in our cache */
cacheno = HEADER_DATA(h)->uid % IMAP_CACHE_LEN;
cache = &idata->cache[cacheno];
if (cache->path)
{
/* don't treat cache errors as fatal, just fall back. */
if (cache->uid == HEADER_DATA(h)->uid &&
(msg->fp = fopen (cache->path, "r")))
return 0;
else
{
unlink (cache->path);
FREE (&cache->path);
}
}
if (!isendwin())
mutt_message _("Fetching message...");
if (!(msg->fp = msg_cache_put (idata, h)))
{
cache->uid = HEADER_DATA(h)->uid;
mutt_mktemp (path, sizeof (path));
cache->path = safe_strdup (path);
if (!(msg->fp = safe_fopen (path, "w+")))
{
FREE (&cache->path);
return -1;
}
}
/* mark this header as currently inactive so the command handler won't
* also try to update it. HACK until all this code can be moved into the
* command handler */
h->active = 0;
snprintf (buf, sizeof (buf), "UID FETCH %u %s", HEADER_DATA(h)->uid,
(mutt_bit_isset (idata->capabilities, IMAP4REV1) ?
(option (OPTIMAPPEEK) ? "BODY.PEEK[]" : "BODY[]") :
"RFC822"));
imap_cmd_start (idata, buf);
do
{
if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
break;
pc = idata->buf;
pc = imap_next_word (pc);
pc = imap_next_word (pc);
if (!ascii_strncasecmp ("FETCH", pc, 5))
{
while (*pc)
{
pc = imap_next_word (pc);
if (pc[0] == '(')
pc++;
if (ascii_strncasecmp ("UID", pc, 3) == 0)
{
pc = imap_next_word (pc);
uid = atoi (pc);
if (uid != HEADER_DATA(h)->uid)
mutt_error (_("The message index is incorrect. Try reopening the mailbox."));
}
else if ((ascii_strncasecmp ("RFC822", pc, 6) == 0) ||
(ascii_strncasecmp ("BODY[]", pc, 6) == 0))
{
pc = imap_next_word (pc);
if (imap_get_literal_count(pc, &bytes) < 0)
{
imap_error ("imap_fetch_message()", buf);
goto bail;
}
mutt_progress_init (&progressbar, _("Fetching message..."),
MUTT_PROGRESS_SIZE, NetInc, bytes);
if (imap_read_literal (msg->fp, idata, bytes, &progressbar) < 0)
goto bail;
/* pick up trailing line */
if ((rc = imap_cmd_step (idata)) != IMAP_CMD_CONTINUE)
goto bail;
pc = idata->buf;
fetched = 1;
}
/* UW-IMAP will provide a FLAGS update here if the FETCH causes a
* change (eg from \Unseen to \Seen).
* Uncommitted changes in mutt take precedence. If we decide to
* incrementally update flags later, this won't stop us syncing */
else if ((ascii_strncasecmp ("FLAGS", pc, 5) == 0) && !h->changed)
{
if ((pc = imap_set_flags (idata, h, pc)) == NULL)
goto bail;
}
}
}
}
while (rc == IMAP_CMD_CONTINUE);
/* see comment before command start. */
h->active = 1;
fflush (msg->fp);
if (ferror (msg->fp))
{
mutt_perror (cache->path);
goto bail;
}
if (rc != IMAP_CMD_OK)
goto bail;
if (!fetched || !imap_code (idata->buf))
goto bail;
msg_cache_commit (idata, h);
parsemsg:
/* Update the header information. Previously, we only downloaded a
* portion of the headers, those required for the main display.
*/
rewind (msg->fp);
/* It may be that the Status header indicates a message is read, but the
* IMAP server doesn't know the message has been \Seen. So we capture
* the server's notion of 'read' and if it differs from the message info
* picked up in mutt_read_rfc822_header, we mark the message (and context
* changed). Another possibility: ignore Status on IMAP?*/
read = h->read;
newenv = mutt_read_rfc822_header (msg->fp, h, 0, 0);
mutt_merge_envelopes(h->env, &newenv);
/* see above. We want the new status in h->read, so we unset it manually
* and let mutt_set_flag set it correctly, updating context. */
if (read != h->read)
{
h->read = read;
mutt_set_flag (ctx, h, MUTT_NEW, read);
}
h->lines = 0;
fgets (buf, sizeof (buf), msg->fp);
while (!feof (msg->fp))
{
h->lines++;
fgets (buf, sizeof (buf), msg->fp);
}
h->content->length = ftell (msg->fp) - h->content->offset;
/* This needs to be done in case this is a multipart message */
#if defined(HAVE_PGP) || defined(HAVE_SMIME)
h->security = crypt_query (h->content);
#endif
mutt_clear_error();
rewind (msg->fp);
HEADER_DATA(h)->parsed = 1;
return 0;
bail:
safe_fclose (&msg->fp);
imap_cache_del (idata, h);
if (cache->path)
{
unlink (cache->path);
FREE (&cache->path);
}
return -1;
}
void mutt_edit_headers (const char *editor,
const char *body,
HEADER *msg,
char *fcc,
size_t fcclen)
{
char path[_POSIX_PATH_MAX]; /* tempfile used to edit headers + body */
char buffer[LONG_STRING];
char *p;
FILE *ifp, *ofp;
int i, keep;
int in_reply_to = 0; /* did we see the in-reply-to field ? */
ENVELOPE *n;
time_t mtime;
struct stat st;
LIST *cur, *last = NULL, *tmp;
mutt_mktemp (path);
if ((ofp = safe_fopen (path, "w")) == NULL)
{
mutt_perror (path);
return;
}
mutt_write_rfc822_header (ofp, msg->env, NULL, 1, 0);
fputc ('\n', ofp); /* tie off the header. */
/* now copy the body of the message. */
if ((ifp = fopen (body, "r")) == NULL)
{
mutt_perror (body);
return;
}
mutt_copy_stream (ifp, ofp);
fclose (ifp);
fclose (ofp);
if (stat (path, &st) == -1)
{
mutt_perror (path);
return;
}
mtime = st.st_mtime;
mutt_edit_file (editor, path);
stat (path, &st);
if (mtime == st.st_mtime)
{
dprint (1, (debugfile, "ci_edit_headers(): temp file was not modified.\n"));
/* the file has not changed! */
mutt_unlink (path);
return;
}
mutt_unlink (body);
mutt_free_list (&msg->env->userhdrs);
/* Read the temp file back in */
if ((ifp = fopen (path, "r")) == NULL)
{
mutt_perror (path);
return;
}
if ((ofp = safe_fopen (body, "w")) == NULL)
{
/* intentionally leak a possible temporary file here */
fclose (ifp);
mutt_perror (body);
return;
}
n = mutt_read_rfc822_header (ifp, NULL, 1, 0);
while ((i = fread (buffer, 1, sizeof (buffer), ifp)) > 0)
fwrite (buffer, 1, i, ofp);
fclose (ofp);
fclose (ifp);
mutt_unlink (path);
/* restore old info. */
n->references = msg->env->references;
msg->env->references = NULL;
mutt_free_envelope (&msg->env);
msg->env = n;
mutt_expand_aliases_env (msg->env);
/* search through the user defined headers added to see if either a
* fcc: or attach-file: field was specified.
*/
cur = msg->env->userhdrs;
while (cur)
{
keep = 1;
/* keep track of whether or not we see the in-reply-to field. if we did
* not, remove the references: field later so that we can generate a new
* message based upon this one.
*/
if (mutt_strncasecmp ("in-reply-to. good thing you replied:", cur->data, 12) == 0)
in_reply_to = 1;
else if (fcc && mutt_strncasecmp ("fcc:", cur->data, 4) == 0)
{
p = cur->data + 4;
SKIPWS (p);
if (*p)
{
strfcpy (fcc, p, fcclen);
mutt_pretty_mailbox (fcc);
}
keep = 0;
}
else if (mutt_strncasecmp ("attach file:", cur->data, 7) == 0)
{
BODY *body;
BODY *parts;
char *q;
p = cur->data + 7;
SKIPWS (p);
if (*p)
{
if ((q = strpbrk (p, " \t")))
{
mutt_substrcpy (path, p, q, sizeof (path));
SKIPWS (q);
}
else
strfcpy (path, p, sizeof (path));
mutt_expand_path (path, sizeof (path));
if ((body = mutt_make_file_attach (path)))
{
body->description = safe_strdup (q);
for (parts = msg->content; parts->next; parts = parts->next) ;
parts->next = body;
}
else
{
mutt_pretty_mailbox (path);
mutt_error (_("%s: unable to attach file. try again"), path);
}
}
keep = 0;
}
#ifdef HAVE_PGP
else if (mutt_strncasecmp ("pgp:", cur->data, 4) == 0)
{
msg->pgp = mutt_parse_pgp_hdr (cur->data + 4, 0);
keep = 0;
}
#endif
if (keep)
{
last = cur;
cur = cur->next;
}
else
{
if (last)
last->next = cur->next;
else
msg->env->userhdrs = cur->next;
tmp = cur;
cur = cur->next;
tmp->next = NULL;
mutt_free_list (&tmp);
}
}
if (!in_reply_to)
mutt_free_list (&msg->env->references);
}
int mmdf_parse_mailbox(CONTEXT *ctx)
{
char buf[HUGE_STRING];
char return_path[LONG_STRING];
int count = 0, oldmsgcount = ctx->msgcount;
int lines;
time_t t;
LOFF_T loc, tmploc;
HEADER *hdr;
struct stat sb;
#ifdef NFS_ATTRIBUTE_HACK
struct utimbuf newtime;
#endif /* ifdef NFS_ATTRIBUTE_HACK */
progress_t progress;
char msgbuf[STRING];
if (stat(ctx->path, &sb) == -1) {
mutt_perror(ctx->path);
return -1;
}
ctx->atime = sb.st_atime;
ctx->mtime = sb.st_mtime;
ctx->size = sb.st_size;
#ifdef NFS_ATTRIBUTE_HACK
if (sb.st_mtime > sb.st_atime) {
newtime.modtime = sb.st_mtime;
newtime.actime = time(NULL);
utime(ctx->path, &newtime);
}
#endif /* ifdef NFS_ATTRIBUTE_HACK */
buf[sizeof(buf) - 1] = 0;
if (!ctx->quiet) {
snprintf(msgbuf, sizeof(msgbuf), _("Reading %s..."), ctx->path);
mutt_progress_init(&progress, msgbuf, M_PROGRESS_MSG, ReadInc, 0);
}
FOREVER
{
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
break;
if (mutt_strcmp(buf, MMDF_SEP) == 0) {
loc = ftello(ctx->fp);
count++;
if (!ctx->quiet)
mutt_progress_update(&progress, count,
(int)(loc / (ctx->size / 100 + 1)));
if (ctx->msgcount == ctx->hdrmax)
mx_alloc_memory(ctx);
ctx->hdrs[ctx->msgcount] = hdr = mutt_new_header();
hdr->offset = loc;
hdr->index = ctx->msgcount;
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL) {
/* TODO: memory leak??? */
dprint(1, "mmdf_parse_mailbox: unexpected EOF\n");
break;
}
return_path[0] = 0;
if (!is_from(buf, return_path, sizeof(return_path), &t)) {
if (fseeko(ctx->fp, loc, SEEK_SET) != 0) {
dprint(1, "mmdf_parse_mailbox: fseek() failed\n");
mutt_error _("Mailbox is corrupt!");
return -1;
}
} else
hdr->received = t - mutt_local_tz(t);
hdr->env = mutt_read_rfc822_header(ctx->fp, hdr, 0, 0);
loc = ftello(ctx->fp);
if ((hdr->content->length > 0)
&& (hdr->lines > 0)) {
tmploc = loc + hdr->content->length;
if ((0 < tmploc)
&& (tmploc < ctx->size)) {
if ((fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
|| (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
|| (mutt_strcmp(MMDF_SEP, buf) != 0)) {
if (fseeko(ctx->fp, loc, SEEK_SET) != 0)
dprint(1, "mmdf_parse_mailbox: fseek() failed\n");
hdr->content->length = -1;
}
} else
hdr->content->length = -1;
} else
hdr->content->length = -1;
if (hdr->content->length < 0) {
lines = -1;
do {
loc = ftello(ctx->fp);
if (fgets(buf, sizeof(buf) - 1, ctx->fp) == NULL)
break;
lines++;
} while (mutt_strcmp(buf, MMDF_SEP) != 0);
hdr->lines = lines;
hdr->content->length = loc - hdr->content->offset;
}
if (!hdr->env->return_path
&& return_path[0])
hdr->env->return_path = rfc822_parse_adrlist(
hdr->env->return_path,
return_path);
if (!hdr->env->from)
hdr->env->from = rfc822_cpy_adr(hdr->env->return_path, 0);
ctx->msgcount++;
} else {
dprint(1, "mmdf_parse_mailbox: corrupt mailbox!\n");
mutt_error _("Mailbox is corrupt!");
return -1;
}
}
if (ctx->msgcount > oldmsgcount)
mx_update_context(ctx, ctx->msgcount - oldmsgcount);
return 0;
}
/* Note that this function is also called when new mail is appended to the
* currently open folder, and NOT just when the mailbox is initially read.
*
* NOTE: it is assumed that the mailbox being read has been locked before
* this routine gets called. Strange things could happen if it's not!
*/
int mbox_parse_mailbox(CONTEXT *ctx)
{
struct stat sb;
char buf[HUGE_STRING], return_path[STRING];
HEADER *curhdr;
time_t t;
int count = 0, lines = 0;
LOFF_T loc;
#ifdef NFS_ATTRIBUTE_HACK
struct utimbuf newtime;
#endif /* ifdef NFS_ATTRIBUTE_HACK */
progress_t progress;
char msgbuf[STRING];
/* Save information about the folder at the time we opened it. */
if (stat(ctx->path, &sb) == -1) {
mutt_perror(ctx->path);
return -1;
}
ctx->size = sb.st_size;
ctx->mtime = sb.st_mtime;
ctx->atime = sb.st_atime;
#ifdef NFS_ATTRIBUTE_HACK
if (sb.st_mtime > sb.st_atime) {
newtime.modtime = sb.st_mtime;
newtime.actime = time(NULL);
utime(ctx->path, &newtime);
}
#endif /* ifdef NFS_ATTRIBUTE_HACK */
if (!ctx->readonly)
ctx->readonly = access(ctx->path, W_OK) ? 1 : 0;
if (!ctx->quiet) {
snprintf(msgbuf, sizeof(msgbuf), _("Reading %s..."), ctx->path);
mutt_progress_init(&progress, msgbuf, M_PROGRESS_MSG, ReadInc, 0);
}
loc = ftello(ctx->fp);
while (fgets(buf, sizeof(buf), ctx->fp) != NULL) {
if (is_from(buf, return_path, sizeof(return_path), &t)) {
/* Save the Content-Length of the previous message */
if (count > 0) {
#define PREV ctx->hdrs[ctx->msgcount - 1]
if (PREV->content->length < 0) {
PREV->content->length = loc - PREV->content->offset - 1;
if (PREV->content->length < 0)
PREV->content->length = 0;
}
if (!PREV->lines)
PREV->lines = lines ? lines - 1 : 0;
}
count++;
if (!ctx->quiet)
mutt_progress_update(&progress, count,
(int)(ftello(ctx->fp) /
(ctx->size / 100 + 1)));
if (ctx->msgcount == ctx->hdrmax)
mx_alloc_memory(ctx);
curhdr = ctx->hdrs[ctx->msgcount] = mutt_new_header();
curhdr->received = t - mutt_local_tz(t);
curhdr->offset = loc;
curhdr->index = ctx->msgcount;
curhdr->env = mutt_read_rfc822_header(ctx->fp, curhdr, 0, 0);
/* if we know how long this message is, either just skip over the
body,
* or if we don't know how many lines there are, count them now
*(this will
* save time by not having to search for the next message marker).
*/
if (curhdr->content->length > 0) {
LOFF_T tmploc;
loc = ftello(ctx->fp);
tmploc = loc + curhdr->content->length + 1;
if ((0 < tmploc)
&& (tmploc < ctx->size)) {
/*
* check to see if the content-length looks valid. we
*expect to
* to see a valid message separator at this point in the
*stream
*/
if ((fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
|| (fgets(buf, sizeof(buf), ctx->fp) == NULL)
|| (mutt_strncmp("From ", buf, 5) != 0)) {
dprint(1, "mbox_parse_mailbox: bad content-length in message %d (cl="
OFF_T_FMT ")\n", curhdr->index, curhdr->content->length);
dprint(1, "\tLINE: %s", buf);
if (fseeko(ctx->fp, loc, SEEK_SET) != 0) { /* nope,
return the
previous
position
*/
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
}
curhdr->content->length = -1;
}
} else if (tmploc != ctx->size) {
/* content-length would put us past the end of the file, so
it
* must be wrong
*/
curhdr->content->length = -1;
}
if (curhdr->content->length != -1) {
/* good content-length. check to see if we know how many
lines
* are in this message.
*/
if (curhdr->lines == 0) {
int cl = curhdr->content->length;
/* count the number of lines in this message */
if (fseeko(ctx->fp, loc, SEEK_SET) != 0)
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
while (cl-- > 0) {
if (fgetc(ctx->fp) == '\n')
curhdr->lines++;
}
}
/* return to the offset of the next message separator */
if (fseeko(ctx->fp, tmploc, SEEK_SET) != 0)
dprint(1, "mbox_parse_mailbox: fseek() failed\n");
}
}
ctx->msgcount++;
if (!curhdr->env->return_path
&& return_path[0])
curhdr->env->return_path = rfc822_parse_adrlist(
curhdr->env->return_path,
return_path);
if (!curhdr->env->from)
curhdr->env->from = rfc822_cpy_adr(curhdr->env->return_path, 0);
lines = 0;
} else
lines++;
loc = ftello(ctx->fp);
}
/*
* Only set the content-length of the previous message if we have read more
* than one message during _this_ invocation. If this routine is called
* when new mail is received, we need to make sure not to clobber what
* previously was the last message since the headers may be sorted.
*/
if (count > 0) {
if (PREV->content->length < 0) {
PREV->content->length = ftello(ctx->fp) - PREV->content->offset - 1;
if (PREV->content->length < 0)
PREV->content->length = 0;
}
if (!PREV->lines)
PREV->lines = lines ? lines - 1 : 0;
mx_update_context(ctx, count);
}
return 0;
}
int mutt_prepare_template (FILE *fp, CONTEXT *ctx, HEADER *newhdr, HEADER *hdr,
short weed)
{
MESSAGE *msg = NULL;
char file[_POSIX_PATH_MAX];
LIST *p, **q;
BODY *b;
FILE *bfp;
if (!fp && (msg = mx_open_message (ctx, hdr->msgno)) == NULL)
return (-1);
if (!fp) fp = msg->fp;
bfp = fp;
/* parse the message header and MIME structure */
fseek (fp, hdr->offset, 0);
newhdr->offset = hdr->offset;
newhdr->env = mutt_read_rfc822_header (fp, newhdr, 1, weed);
newhdr->content->length = hdr->content->length;
mutt_parse_part (fp, newhdr->content);
/* weed user-agent, x-mailer - we don't want them here */
p = newhdr->env->userhdrs;
q = &newhdr->env->userhdrs;
while (p)
{
if (!strncasecmp (p->data, "x-mailer:", 9) || !strncasecmp (p->data, "user-agent:", 11))
{
*q = p->next;
p->next = NULL;
mutt_free_list (&p);
}
else
q = &p->next;
p = *q;
}
safe_free ((void **) &newhdr->env->message_id);
safe_free ((void **) &newhdr->env->mail_followup_to);
#ifdef HAVE_PGP
/* decrypt pgp/mime encoded messages */
if ((hdr->pgp & PGPENCRYPT) &&
mutt_is_multipart_encrypted (newhdr->content))
{
newhdr->pgp |= PGPENCRYPT;
if (!pgp_valid_passphrase())
goto err;
mutt_message _("Invoking PGP...");
if (pgp_decrypt_mime (fp, &bfp, newhdr->content, &b) == -1)
{
err:
mx_close_message (&msg);
mutt_free_envelope (&newhdr->env);
mutt_free_body (&newhdr->content);
return -1;
}
mutt_free_body (&newhdr->content);
newhdr->content = b;
mutt_clear_error ();
}
/*
* remove a potential multipart/signed layer - useful when
* resending messages
*/
if (mutt_is_multipart_signed (newhdr->content))
{
newhdr->pgp |= PGPSIGN;
/* destroy the signature */
mutt_free_body (&newhdr->content->parts->next);
newhdr->content = mutt_remove_multipart (newhdr->content);
}
#endif
/*
* We don't need no primary multipart.
* Note: We _do_ preserve messages!
*
* XXX - we don't handle multipart/alternative in any
* smart way when sending messages. However, one may
* consider this a feature.
*
*/
if (newhdr->content->type == TYPEMULTIPART)
newhdr->content = mutt_remove_multipart (newhdr->content);
/* create temporary files for all attachments */
for (b = newhdr->content; b; b = b->next)
{
/* what follows is roughly a receive-mode variant of
* mutt_get_tmp_attachment () from muttlib.c
*/
file[0] = '\0';
if (b->filename)
{
strfcpy (file, b->filename, sizeof (file));
b->d_filename = safe_strdup (b->filename);
}
else
/* avoid Content-Disposition: header with temporary filename */
b->use_disp = 0;
mutt_adv_mktemp (file, sizeof(file));
if (mutt_save_attachment (bfp, b, file, 0, NULL) == -1)
{
mutt_free_envelope (&newhdr->env);
mutt_free_body (&newhdr->content);
if (bfp != fp) fclose (bfp);
if (msg) mx_close_message (&msg);
return -1;
}
mutt_str_replace (&b->filename, file);
b->unlink = 1;
if (mutt_is_text_type (b->type, b->subtype))
b->noconv = 1;
mutt_stamp_attachment (b);
mutt_free_body (&b->parts);
if (b->hdr) b->hdr->content = NULL; /* avoid dangling pointer */
}
/* that's it. */
if (bfp != fp) fclose (bfp);
if (msg) mx_close_message (&msg);
return 0;
}
/*
* Read header
* returns:
* 0 on success
* -1 - connection lost,
* -2 - invalid command or execution error,
* -3 - error writing to tempfile
*/
static int pop_read_header(POP_DATA *pop_data, HEADER *h)
{
FILE *f;
int ret, index;
long length;
char buf[LONG_STRING];
char tempfile[_POSIX_PATH_MAX];
mutt_mktemp(tempfile, sizeof(tempfile));
if (!(f = safe_fopen(tempfile, "w+"))) {
mutt_perror(tempfile);
return -3;
}
snprintf(buf, sizeof(buf), "LIST %d\r\n", h->refno);
ret = pop_query(pop_data, buf, sizeof(buf));
if (ret == 0) {
sscanf(buf, "+OK %d %ld", &index, &length);
snprintf(buf, sizeof(buf), "TOP %d 0\r\n", h->refno);
ret = pop_fetch_data(pop_data, buf, NULL, fetch_message, f);
if (pop_data->cmd_top == 2) {
if (ret == 0) {
pop_data->cmd_top = 1;
dprint(1, "pop_read_header: set TOP capability\n");
}
if (ret == -2) {
pop_data->cmd_top = 0;
dprint(1, "pop_read_header: unset TOP capability\n");
snprintf(pop_data->err_msg, sizeof(pop_data->err_msg),
_("Command TOP is not supported by server."));
}
}
}
switch (ret) {
case 0:
{
rewind(f);
h->env = mutt_read_rfc822_header(f, h, 0, 0);
h->content->length = length - h->content->offset + 1;
rewind(f);
while (!feof(f)) {
h->content->length--;
fgets(buf, sizeof(buf), f);
}
break;
}
case -2:
{
mutt_error("%s", pop_data->err_msg);
break;
}
case -3:
{
mutt_error _("Can't write header to temporary file!");
break;
}
}
safe_fclose(&f);
unlink(tempfile);
return ret;
}
/* fetch message from POP server */
int pop_fetch_message(MESSAGE *msg, CONTEXT *ctx, int msgno)
{
int ret;
void *uidl;
char buf[LONG_STRING];
char path[_POSIX_PATH_MAX];
progress_t progressbar;
POP_DATA *pop_data = (POP_DATA *)ctx->data;
POP_CACHE *cache;
HEADER *h = ctx->hdrs[msgno];
unsigned short bcache = 1;
/* see if we already have the message in body cache */
if ((msg->fp = mutt_bcache_get(pop_data->bcache, h->data)))
return 0;
/*
* see if we already have the message in our cache in
* case $message_cachedir is unset
*/
cache = &pop_data->cache[h->index % POP_CACHE_LEN];
if (cache->path) {
if (cache->index == h->index) {
/* yes, so just return a pointer to the message */
msg->fp = fopen(cache->path, "r");
if (msg->fp)
return 0;
mutt_perror(cache->path);
mutt_sleep(2);
return -1;
} else {
/* clear the previous entry */
unlink(cache->path);
safe_free(&cache->path);
}
}
FOREVER
{
if (pop_reconnect(ctx) < 0)
return -1;
/* verify that massage index is correct */
if (h->refno < 0) {
mutt_error _(
"The message index is incorrect. Try reopening the mailbox.");
mutt_sleep(2);
return -1;
}
mutt_progress_init(&progressbar, _(
"Fetching message..."),
M_PROGRESS_SIZE, NetInc,
h->content->length + h->content->offset - 1);
/* see if we can put in body cache; use our cache as fallback */
if (!(msg->fp = mutt_bcache_put(pop_data->bcache, h->data, 1))) {
/* no */
bcache = 0;
mutt_mktemp(path, sizeof(path));
if (!(msg->fp = safe_fopen(path, "w+"))) {
mutt_perror(path);
mutt_sleep(2);
return -1;
}
}
snprintf(buf, sizeof(buf), "RETR %d\r\n", h->refno);
ret =
pop_fetch_data(pop_data, buf, &progressbar, fetch_message, msg->fp);
if (ret == 0)
break;
safe_fclose(&msg->fp);
/* if RETR failed (e.g. connection closed), be sure to remove either
* the file in bcache or from POP's own cache since the next iteration
* of the loop will re-attempt to put() the message */
if (!bcache)
unlink(path);
if (ret == -2) {
mutt_error("%s", pop_data->err_msg);
mutt_sleep(2);
return -1;
}
if (ret == -3) {
mutt_error _("Can't write message to temporary file!");
mutt_sleep(2);
return -1;
}
}
/* Update the header information. Previously, we only downloaded a
* portion of the headers, those required for the main display.
*/
if (bcache)
mutt_bcache_commit(pop_data->bcache, h->data);
else {
cache->index = h->index;
cache->path = safe_strdup(path);
}
rewind(msg->fp);
uidl = h->data;
/* we replace envelop, key in subj_hash has to be updated as well */
if (ctx->subj_hash
&& h->env->real_subj)
hash_delete(ctx->subj_hash, h->env->real_subj, h, NULL);
mutt_free_envelope(&h->env);
h->env = mutt_read_rfc822_header(msg->fp, h, 0, 0);
if (ctx->subj_hash
&& h->env->real_subj)
hash_insert(ctx->subj_hash, h->env->real_subj, h, 1);
h->data = uidl;
h->lines = 0;
fgets(buf, sizeof(buf), msg->fp);
while (!feof(msg->fp)) {
ctx->hdrs[msgno]->lines++;
fgets(buf, sizeof(buf), msg->fp);
}
h->content->length = ftello(msg->fp) - h->content->offset;
/* This needs to be done in case this is a multipart message */
if (!WithCrypto)
h->security = crypt_query(h->content);
mutt_clear_error();
rewind(msg->fp);
return 0;
}
