static uulist *
UU_smparts_r (uulist *addit, int pass)
{
uulist *iter = UUGlobalFileList;
uufile *fiter, *dest, *temp;
int count, flag, a, b;
while (iter) {
if ((iter->state & UUFILE_OK) || iter->uudet == 0) {
iter = iter->NEXT;
continue;
}
if (iter == addit) {
iter = iter->NEXT;
continue;
}
if ((iter->begin && addit->begin) || (iter->end && addit->end) ||
(iter->uudet != addit->uudet)) {
iter = iter->NEXT;
continue;
}
if ((a = UUSMPKnownExt (addit->subfname)) != -1 &&
(b = UUSMPKnownExt (iter->subfname)) != -1)
if (a != b) {
iter = iter->NEXT;
continue;
}
flag = count = 0;
fiter = iter->thisfile;
temp = addit->thisfile;
dest = NULL;
while (temp) {
if (!(temp->data->uudet)) {
temp = temp->NEXT;
continue;
}
while (fiter && fiter->partno < temp->partno) {
dest = fiter;
fiter = fiter->NEXT;
}
if (fiter && fiter->partno == temp->partno) {
flag = 0;
break;
}
else {
flag = 1;
count += ((dest) ? temp->partno - dest->partno - 1 : 0) +
((fiter) ? fiter->partno - temp->partno - 1 : 0);
}
temp = temp->NEXT;
}
if (flag == 0 ||
(pass == 0 && count > 0) ||
(pass == 1 && count > 5)) {
iter = iter->NEXT;
continue;
}
dest = iter->thisfile;
fiter = addit->thisfile;
if (iter->filename == NULL && addit->filename != NULL)
iter->filename = _FP_strdup (addit->filename);
if (addit->begin) iter->begin = 1;
if (addit->end) iter->end = 1;
if (addit->mode != 0 && iter->mode == 0)
iter->mode = addit->mode;
while (fiter) {
flag = 0;
if (fiter->partno == iter->thisfile->partno ||
(dest->NEXT != NULL && fiter->partno == dest->NEXT->partno)) {
temp = fiter->NEXT;
fiter->NEXT = NULL;
UUkillfile (fiter);
addit->thisfile= temp;
fiter = temp;
continue;
}
if (fiter->partno < iter->thisfile->partno) {
temp = fiter->NEXT;
fiter->NEXT = iter->thisfile;
iter->thisfile = fiter;
dest = fiter;
addit->thisfile= temp;
fiter = temp;
}
else if (dest->NEXT == NULL || fiter->partno < dest->NEXT->partno) {
temp = fiter->NEXT;
fiter->NEXT = dest->NEXT;
dest->NEXT = fiter;
addit->thisfile= temp;
fiter = temp;
}
else {
dest = dest->NEXT;
}
}
break;
}
return iter;
}
uufile *
UUPreProcessPart (fileread *data, int *ret)
{
char *where, *whend, temp[80], *ptr, *p2;
uufile *result;
if ((result = (uufile *) malloc (sizeof (uufile))) == NULL) {
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR,
uustring (S_OUT_OF_MEMORY), sizeof (uufile));
*ret = UURET_NOMEM;
return NULL;
}
memset (result, 0, sizeof (uufile));
if (data->partno) {
where = whend = NULL;
result->partno = data->partno;
}
else if (uu_dumbness) {
result->partno = -1;
where = whend = NULL;
}
else if ((result->partno=UUGetPartNo(data->subject,&where,&whend)) == -2) {
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
if (data->filename != NULL) {
if ((result->filename = _FP_strdup (data->filename)) == NULL) {
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR,
uustring (S_OUT_OF_MEMORY),
strlen (data->filename)+1);
*ret = UURET_NOMEM;
UUkillfile (result);
return NULL;
}
}
else
result->filename = NULL;
if (uu_dumbness <= 1)
result->subfname = UUGetFileName (data->subject, where, whend);
else
result->subfname = NULL;
result->mimeid = _FP_strdup (data->mimeid);
result->mimetype = _FP_strdup (data->mimetype);
if (result->partno == -1 &&
(data->uudet == PT_ENCODED || data->uudet == QP_ENCODED))
result->partno = 1;
if (data->flags & FL_SINGLE) {
/*
* Don't touch this part. But it should really have a filename
*/
if (result->filename == NULL) {
sprintf (temp, "%s.%03d", nofname, ++nofnum);
result->filename = _FP_strdup (temp);
}
if (result->subfname == NULL)
result->subfname = _FP_strdup (result->filename);
if (result->filename == NULL ||
result->subfname == NULL) {
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR,
uustring (S_OUT_OF_MEMORY),
(result->filename==NULL)?
(strlen(temp)+1):(strlen(result->filename)+1));
*ret = UURET_NOMEM;
UUkillfile(result);
return NULL;
}
if (result->partno == -1)
result->partno = 1;
}
else if (result->subfname == NULL && data->uudet &&
(data->begin || result->partno == 1 ||
(!uu_dumbness && result->partno == -1 &&
(data->subject != NULL || result->filename != NULL)))) {
/*
* If it's the first part of something and has some valid data, but
* no subject or anything, initialize lastvalid
*/
/*
* in this case, it really _should_ have a filename somewhere
*/
if (result->filename != NULL)
result->subfname = _FP_strdup (result->filename);
else { /* if not, escape to UNKNOWN. We need to fill subfname */
sprintf (temp, "%s.%03d", nofname, ++nofnum);
result->subfname = _FP_strdup (temp);
}
/*
* in case the strdup failed
*/
if (result->subfname == NULL) {
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR,
uustring (S_OUT_OF_MEMORY),
(result->filename)?
(strlen(result->filename)+1):(strlen(temp)+1));
*ret = UURET_NOMEM;
UUkillfile (result);
return NULL;
}
/*
* if it's also got an 'end', or is the last part in a MIME-Mail,
* then don't set lastvalid
*/
if (!data->end && (!data->partno || data->partno != data->maxpno)) {
/*
* initialize lastvalid
*/
lastvalid = 1;
lastenc = data->uudet;
lastpart = result->partno = 1;
_FP_strncpy (uucheck_lastname, result->subfname, 256);
}
else
result->partno = 1;
}
else if (result->subfname == NULL && data->uudet && data->mimeid) {
/*
* if it's got a file name, use it. Else use the mime-id for identifying
* this part, and hope there's no other files encoded in the same message
* under the same id.
*/
if (result->filename)
result->subfname = _FP_strdup (result->filename);
else
result->subfname = _FP_strdup (result->mimeid);
}
else if (result->subfname == NULL && data->uudet) {
/*
* ff we have lastvalid, use it. Make an exception for
* Base64-encoded files.
*/
if (data->uudet == B64ENCODED) {
/*
* Assume it's the first part. I wonder why it's got no part number?
*/
if (result->filename != NULL)
result->subfname = _FP_strdup (result->filename);
else { /* if not, escape to UNKNOWN. We need to fill subfname */
sprintf (temp, "%s.%03d", nofname, ++nofnum);
result->subfname = _FP_strdup (temp);
}
if (result->subfname == NULL) {
UUMessage (uucheck_id, __LINE__, UUMSG_ERROR,
uustring (S_OUT_OF_MEMORY),
(result->filename)?
(strlen(result->filename)+1):(strlen(temp)+1));
*ret = UURET_NOMEM;
UUkillfile (result);
return NULL;
}
lastvalid = 0;
}
else if (lastvalid && data->uudet == lastenc && result->partno == -1) {
result->subfname = _FP_strdup (uucheck_lastname);
result->partno = ++lastpart;
/*
* if it's the last part, invalidate lastvalid
*/
if (data->end || (data->partno && data->partno == data->maxpno))
lastvalid = 0;
}
else if (data->partno != -1 && result->filename) {
result->subfname = _FP_strdup (result->filename);
}
else {
/*
* it's got no info, it's got no begin, and we don't know anything
* about this part. Let's forget all about it.
*/
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
}
else if (result->subfname == NULL && result->partno == -1) {
/*
* This, too, is a part without any useful information that we
* should forget about.
*/
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
else if (result->subfname == NULL) {
/*
* This is a part without useful subject name, a valid part number
* but no encoded data. It *could* be the zeroeth part of something,
* but we don't care here. Just forget it.
*/
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
/*
* now, handle some cases where we have a useful subject but no
* useful part number
*/
if (result->partno == -1 && data->begin) {
/*
* hmm, this is reason enough to initialize lastvalid, at least
* if we have no end
*/
if (!data->end) {
_FP_strncpy (uucheck_lastname, result->subfname, 256);
result->partno = lastpart = 1;
lastenc = data->uudet;
lastvalid = 1;
}
else
result->partno = 1;
}
else if (result->partno == -1 && data->uudet) {
if (lastvalid && _FP_stricmp (uucheck_lastname, result->subfname) == 0) {
/*
* if the subject filename is the same as last time, use part no
* of lastvalid. If at end, invalidate lastvalid
*/
result->partno = ++lastpart;
if (data->end)
lastvalid = 0;
}
else {
/*
* data but no part no. It's something UUInsertPartToList() should
* handle
*/
goto skipcheck;
}
}
else if (result->partno == -1) {
/*
* it's got no data, so why should we need this one anyway?
*/
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
/*
* at this point, the part should have a valid subfname and a valid
* part number. If it doesn't, then fail.
*/
if (result->subfname == NULL || result->partno == -1) {
*ret = UURET_NODATA;
UUkillfile (result);
return NULL;
}
skipcheck:
if (result->filename) {
if (*(ptr = _FP_cutdir (result->filename))) {
p2 = _FP_strdup (ptr);
_FP_free (result->filename);
result->filename = p2;
}
}
result->data = data;
result->NEXT = NULL;
*ret = UURET_OK;
return result;
}
int
UUInsertPartToList (uufile *data)
{
uulist *iter = UUGlobalFileList, *unew;
uufile *fiter, *last;
/*
* Part belongs together, if
* (a) The file name received from the subject lines match _or_
* the MIME-IDs match,
* (b) Not both parts have a begin line
* (c) Not both parts have an end line
* (d) Both parts don't have different MIME-IDs
* (e) Both parts don't encode different files
* (f) The other part wants to stay alone (FL_SINGLE)
*/
/*
* check if this part wants to be left alone. If so, don't bother
* to do all the checks
*/
while (iter) {
if (data->data->flags & FL_SINGLE) {
/* this space intentionally left blank */
}
else if ((_FP_stricmp (data->subfname, iter->subfname) == 0 ||
(data->mimeid && iter->mimeid &&
strcmp (data->mimeid, iter->mimeid) == 0)) &&
!(iter->begin && data->data->begin) &&
!(iter->end && data->data->end) &&
!(data->mimeid && iter->mimeid &&
strcmp (data->mimeid, iter->mimeid) != 0) &&
!(data->filename && iter->filename &&
strcmp (data->filename, iter->filename) != 0) &&
!(iter->flags & FL_SINGLE)) {
/*
* if we already have this part, don't try to insert it
*/
for (fiter=iter->thisfile;
fiter && (data->partno>fiter->partno) && !fiter->data->end;
fiter=fiter->NEXT)
/* empty loop */ ;
if (fiter &&
(data->partno==fiter->partno ||
(data->partno > fiter->partno && fiter->data->end)))
goto goahead;
if (iter->filename == NULL && data->filename != NULL) {
if ((iter->filename = _FP_strdup (data->filename)) == NULL)
return UURET_NOMEM;
}
/*
* special case when we might have tagged a part as Base64 when the
* file was really XX
*/
if (data->data->uudet == B64ENCODED &&
iter->uudet == XX_ENCODED && iter->begin) {
data->data->uudet = XX_ENCODED;
}
else if (data->data->uudet == XX_ENCODED && data->data->begin &&
iter->uudet == B64ENCODED) {
iter->uudet = XX_ENCODED;
fiter = iter->thisfile;
while (fiter) {
fiter->data->uudet = XX_ENCODED;
fiter = fiter->NEXT;
}
}
/*
* If this is from a Message/Partial, we believe only the
* iter->uudet from the first part
*/
if (data->data->flags & FL_PARTIAL) {
if (data->partno == 1) {
iter->uudet = data->data->uudet;
iter->flags = data->data->flags;
}
}
else {
if (data->data->uudet) iter->uudet = data->data->uudet;
if (data->data->flags) iter->flags = data->data->flags;
}
if (iter->mode == 0 && data->data->mode != 0)
iter->mode = data->data->mode;
if (data->data->begin) iter->begin = (data->partno)?data->partno:1;
if (data->data->end) iter->end = (data->partno)?data->partno:1;
if (data->mimetype) {
_FP_free (iter->mimetype);
iter->mimetype = _FP_strdup (data->mimetype);
}
/*
* insert part at the beginning
*/
if (data->partno != -1 && data->partno < iter->thisfile->partno) {
iter->state = UUFILE_READ;
data->NEXT = iter->thisfile;
iter->thisfile = data;
return UURET_OK;
}
/*
* insert part somewhere else
*/
iter->state = UUFILE_READ; /* prepare for re-checking */
fiter = iter->thisfile;
last = NULL;
while (fiter) {
/*
* if we find the same part no again, check which one looks better
*/
if (data->partno == fiter->partno) {
if (fiter->data->subject == NULL)
return UURET_NODATA;
else if (_FP_stristr (fiter->data->subject, "repost") != NULL &&
_FP_stristr (data->data->subject, "repost") == NULL)
return UURET_NODATA;
else if (fiter->data->uudet && !data->data->uudet)
return UURET_NODATA;
else {
/*
* replace
*/
data->NEXT = fiter->NEXT;
fiter->NEXT = NULL;
UUkillfile (fiter);
if (last == NULL)
iter->thisfile = data;
else
last->NEXT = data;
return UURET_OK;
}
}
/*
* if at the end of the part list, add it
*/
if (fiter->NEXT == NULL ||
(data->partno != -1 && data->partno < fiter->NEXT->partno)) {
data->NEXT = fiter->NEXT;
fiter->NEXT = data;
if (data->partno == -1)
data->partno = fiter->partno + 1;
return UURET_OK;
}
last = fiter;
fiter = fiter->NEXT;
}
return UURET_OK; /* Shouldn't get here */
}
goahead:
/*
* we need iter below
*/
if (iter->NEXT == NULL)
break;
iter = iter->NEXT;
}
/*
* handle new entry
*/
if (data->partno == -1) {
/*
* if it's got no part no, and it's MIME mail, then assume this is
* part no. 1. If it's not MIME, then we can't handle it; if it
* had a 'begin', it'd have got a part number assigned by
* UUPreProcessPart().
*/
if (data->data->uudet == B64ENCODED || data->data->uudet == BH_ENCODED)
data->partno = 1;
else
return UURET_NODATA;
}
if ((unew = (uulist *) malloc (sizeof (uulist))) == NULL) {
return UURET_NOMEM;
}
if ((unew->subfname = _FP_strdup (data->subfname)) == NULL) {
_FP_free (unew);
return UURET_NOMEM;
}
if (data->filename != NULL) {
if ((unew->filename = _FP_strdup (data->filename)) == NULL) {
_FP_free (unew->subfname);
_FP_free (unew);
return UURET_NOMEM;
}
}
else
unew->filename = NULL;
if (data->mimeid != NULL) {
if ((unew->mimeid = _FP_strdup (data->mimeid)) == NULL) {
_FP_free (unew->subfname);
_FP_free (unew->filename);
_FP_free (unew);
return UURET_NOMEM;
}
}
else
unew->mimeid = NULL;
if (data->mimetype != NULL) {
if ((unew->mimetype = _FP_strdup (data->mimetype)) == NULL) {
_FP_free (unew->mimeid);
_FP_free (unew->subfname);
_FP_free (unew->filename);
_FP_free (unew);
return UURET_NOMEM;
}
}
else
unew->mimetype = NULL;
unew->state = UUFILE_READ;
unew->binfile = NULL;
unew->thisfile = data;
unew->mode = data->data->mode;
unew->uudet = data->data->uudet;
unew->flags = data->data->flags;
unew->begin = (data->data->begin) ? ((data->partno)?data->partno:1) : 0;
unew->end = (data->data->end) ? ((data->partno)?data->partno:1) : 0;
unew->misparts = NULL;
unew->haveparts = NULL;
unew->NEXT = NULL;
if (iter == NULL)
UUGlobalFileList = unew;
else
iter->NEXT = unew;
return UURET_OK;
}
uulist *
UUCheckGlobalList (void)
{
int misparts[MAXPLIST], haveparts[MAXPLIST];
int miscount, havecount, count, flag, part;
uulist *liter=UUGlobalFileList, *prev;
uufile *fiter;
long thesize;
while (liter) {
miscount = 0;
thesize = 0;
if (liter->state & UUFILE_OK) {
liter = liter->NEXT;
continue;
}
else if ((liter->uudet == QP_ENCODED ||
liter->uudet == PT_ENCODED) &&
(liter->flags & FL_SINGLE)) {
if ((liter->flags&FL_PROPER)==0)
liter->size = -1;
else
liter->size = liter->thisfile->data->length;
liter->state = UUFILE_OK;
continue;
}
else if ((fiter = liter->thisfile) == NULL) {
liter->state = UUFILE_NODATA;
liter = liter->NEXT;
continue;
}
/*
* Re-Check this file
*/
flag = 0;
miscount = 0;
havecount = 0;
thesize = 0;
liter->state = UUFILE_READ;
/*
* search encoded data
*/
while (fiter && !fiter->data->uudet) {
if (havecount<MAXPLIST) {
haveparts[havecount++] = fiter->partno;
}
fiter = fiter->NEXT;
}
if (fiter == NULL) {
liter->state = UUFILE_NODATA;
liter = liter->NEXT;
continue;
}
if (havecount<MAXPLIST) {
haveparts[havecount++] = fiter->partno;
}
if ((part = fiter->partno) > 1) {
if (!fiter->data->begin) {
for (count=1; count < part && miscount < MAXPLIST; count++)
misparts[miscount++] = count;
}
}
/*
* don't care if so many parts are missing
*/
if (miscount >= MAXPLIST) {
liter->state = UUFILE_MISPART;
liter = liter->NEXT;
continue;
}
if (liter->uudet == B64ENCODED ||
liter->uudet == QP_ENCODED ||
liter->uudet == PT_ENCODED)
flag |= 3; /* Don't need begin or end with Base64 or plain text*/
if (fiter->data->begin) flag |= 1;
if (fiter->data->end) flag |= 2;
if (fiter->data->uudet) flag |= 4;
/*
* guess size of part
*/
switch (fiter->data->uudet) {
case UU_ENCODED:
case XX_ENCODED:
thesize += 3*fiter->data->length/4;
thesize -= 3*fiter->data->length/124; /* substract 2 of 62 chars */
break;
case B64ENCODED:
thesize += 3*fiter->data->length/4;
thesize -= fiter->data->length/52; /* substract 2 of 78 chars */
break;
case QP_ENCODED:
case PT_ENCODED:
thesize += fiter->data->length;
break;
}
fiter = fiter->NEXT;
while (fiter != NULL) {
for (count=part+1; count<fiter->partno && miscount<MAXPLIST; count++)
misparts[miscount++] = count;
part = fiter->partno;
if (havecount<MAXPLIST)
haveparts[havecount++]=part;
if (fiter->data->begin) flag |= 1;
if (fiter->data->end) flag |= 2;
if (fiter->data->uudet) flag |= 4;
switch (fiter->data->uudet) {
case UU_ENCODED:
case XX_ENCODED:
thesize += 3*fiter->data->length/4;
thesize -= 3*fiter->data->length/124; /* substract 2 of 62 chars */
break;
case B64ENCODED:
thesize += 3*fiter->data->length/4;
thesize -= fiter->data->length/52; /* substract 2 of 78 chars */
break;
case QP_ENCODED:
case PT_ENCODED:
thesize += fiter->data->length;
break;
}
if (fiter->data->end)
break;
fiter = fiter->NEXT;
}
/*
* if in fast mode, we don't notice an 'end'. So if its uu or xx
* encoded, there's a begin line and encoded data, assume it's
* there.
*/
if (uu_fast_scanning && (flag & 0x01) && (flag & 0x04) &&
(liter->uudet == UU_ENCODED || liter->uudet == XX_ENCODED))
flag |= 2;
/*
* Set the parts we have and/or missing
*/
_FP_free (liter->haveparts);
_FP_free (liter->misparts);
liter->haveparts = NULL;
liter->misparts = NULL;
if (havecount) {
if ((liter->haveparts=(int*)malloc((havecount+1)*sizeof(int)))!=NULL) {
memcpy (liter->haveparts, haveparts, havecount*sizeof(int));
liter->haveparts[havecount] = 0;
}
}
if (miscount) {
if ((liter->misparts=(int*)malloc((miscount+1)*sizeof(int)))!=NULL) {
memcpy (liter->misparts, misparts, miscount*sizeof(int));
liter->misparts[miscount] = 0;
}
liter->state |= UUFILE_MISPART;
}
/*
* Finalize checking
*/
if ((flag & 4) == 0) liter->state |= UUFILE_NODATA;
if ((flag & 1) == 0) liter->state |= UUFILE_NOBEGIN;
if ((flag & 2) == 0) liter->state |= UUFILE_NOEND;
if ((flag & 7) == 7 && miscount==0) {
liter->state = UUFILE_OK;
}
if ((uu_fast_scanning && (liter->flags&FL_PROPER)==0) || thesize<=0)
liter->size = -1;
else
liter->size = thesize;
if (liter->state==UUFILE_OK &&
(liter->filename==NULL || liter->filename[0]=='\0')) {
/*
* Emergency backup if the file does not have a filename
*/
_FP_free (liter->filename);
if (liter->subfname && liter->subfname[0] &&
_FP_strpbrk (liter->subfname, "()[];: ") == NULL)
liter->filename = _FP_strdup (liter->subfname);
else {
sprintf (uucheck_tempname, "%s.%03d", nofname, ++nofnum);
liter->filename = _FP_strdup (uucheck_tempname);
}
}
liter = liter->NEXT;
}
/*
* Sets back (PREV) links
*/
liter = UUGlobalFileList;
prev = NULL;
while (liter) {
liter->PREV = prev;
prev = liter;
liter = liter->NEXT;
}
return UUGlobalFileList;
}
