static int
swap_auth(ClientPtr client, pointer data, int num, int length)
{
unsigned char *p;
unsigned char t;
CARD16 namelen,
datalen;
int i;
p = data;
for (i = 0; i < num; i++) {
if (p - (unsigned char *)data > length - 4) {
int lengthword = length;
SendErrToClient(client, FSBadLength, (pointer)&lengthword);
return (FSBadLength);
}
namelen = *(CARD16 *) p;
t = p[0];
p[0] = p[1];
p[1] = t;
p += 2;
datalen = *(CARD16 *) p;
t = p[0];
p[0] = p[1];
p[1] = t;
p += 2;
p += (namelen + 3) & ~3;
p += (datalen + 3) & ~3;
}
if (!num)
p += 4;
if (p - (unsigned char *)data != length) {
int lengthword = length;
SendErrToClient(client, FSBadLength, (pointer)&lengthword);
return (FSBadLength);
}
return (FSSuccess);
}
int
ProcListExtensions(ClientPtr client)
{
fsListExtensionsReply reply;
char *bufptr,
*buffer;
int total_length = 0;
REQUEST(fsListExtensionsReq);
REQUEST_SIZE_MATCH(fsListExtensionsReq);
reply.type = FS_Reply;
reply.nExtensions = NumExtensions;
reply.length = SIZEOF(fsListExtensionsReply) >> 2;
reply.sequenceNumber = client->sequence;
buffer = NULL;
if (NumExtensions) {
int i,
j;
for (i = 0; i < NumExtensions; i++) {
total_length += strlen(extensions[i]->name) + 1;
reply.nExtensions += extensions[i]->num_aliases;
for (j = extensions[i]->num_aliases; --j >= 0;)
total_length += strlen(extensions[i]->aliases[j]) + 1;
}
reply.length += (total_length + 3) >> 2;
buffer = bufptr = (char *) ALLOCATE_LOCAL(total_length);
if (!buffer) {
SendErrToClient(client, FSBadAlloc, NULL);
return FSBadAlloc;
}
for (i = 0; i < NumExtensions; i++) {
int len;
*bufptr++ = len = strlen(extensions[i]->name);
memmove( bufptr, extensions[i]->name, len);
bufptr += len;
for (j = extensions[i]->num_aliases; --j >= 0;) {
*bufptr++ = len = strlen(extensions[i]->aliases[j]);
memmove( bufptr, extensions[i]->aliases[j], len);
bufptr += len;
}
}
}
WriteReplyToClient(client, SIZEOF(fsListExtensionsReply), &reply);
if (total_length) {
WriteToClient(client, total_length, buffer);
DEALLOCATE_LOCAL(buffer);
}
return client->noClientException;
}
int
ProcSetEventMask(ClientPtr client)
{
REQUEST(fsSetEventMaskReq);
REQUEST_AT_LEAST_SIZE(fsSetEventMaskReq);
if (stuff->event_mask & ~AllEventMasks) {
SendErrToClient(client, FSBadEventMask, (pointer) &stuff->event_mask);
return FSBadEventMask;
}
client->eventmask = stuff->event_mask;
return client->noClientException;
}