return 0;
}
-static int fork_setmode(struct adouble *adp, int eid, int access, int ofrefnum)
+static int fork_setmode(const AFPObj *obj, struct adouble *adp, int eid, int access, int ofrefnum)
{
int ret;
int readset;
int denyreadset;
int denywriteset;
+#ifdef HAVE_FSHARE_T
+ fshare_t shmd;
+
+ if (obj->options.flags & OPTION_SHARE_RESERV) {
+ shmd.f_access = (access & OPENACC_RD ? F_RDACC : 0) | (access & OPENACC_WR ? F_WRACC : 0);
+ if (shmd.f_access == 0)
+ /* we must give an access mode, otherwise fcntl will complain */
+ shmd.f_access = F_RDACC;
+ shmd.f_deny = (access & OPENACC_DRD ? F_RDDNY : F_NODNY) | (access & OPENACC_DWR) ? F_WRDNY : 0;
+ shmd.f_id = ofrefnum;
+
+ int fd = (eid == ADEID_DFORK) ? ad_data_fileno(adp) : ad_reso_fileno(adp);
+
+ if (fd != -1 && fd != -2 && fcntl(fd, F_SHARE, &shmd) != 0) {
+ LOG(log_debug, logtype_afpd, "fork_setmode: fcntl: %s", strerror(errno));
+ errno = EACCES;
+ return -1;
+ }
+ }
+#endif
+
if (! (access & (OPENACC_WR | OPENACC_RD | OPENACC_DWR | OPENACC_DRD))) {
return ad_lock(adp, eid, ADLOCK_RD | ADLOCK_FILELOCK, AD_FILELOCK_OPEN_NONE, 1, ofrefnum);
}
ad_getattr(ofork->of_ad, &bshort);
if ((bshort & htons(ATTRBIT_NOWRITE)) && (access & OPENACC_WR)) {
ad_close( ofork->of_ad, adflags | ADFLAGS_SETSHRMD);
- of_dealloc( ofork );
+ of_dealloc(obj, ofork );
ofrefnum = 0;
memcpy(rbuf, &ofrefnum, sizeof(ofrefnum));
return(AFPERR_OLOCK);
if ((eid == ADEID_DFORK)
|| (ad_reso_fileno(ofork->of_ad) != -1)
|| (ofork->of_ad->ad_vers == AD_VERSION_EA)) {
- ret = fork_setmode(ofork->of_ad, eid, access, ofrefnum);
+ ret = fork_setmode(obj, ofork->of_ad, eid, access, ofrefnum);
/* can we access the fork? */
if (ret < 0) {
ofork->of_flags |= AFPFORK_ERROR;
ret = errno;
ad_close( ofork->of_ad, adflags | ADFLAGS_SETSHRMD);
- of_dealloc( ofork );
+ of_dealloc(obj, ofork );
switch (ret) {
case EAGAIN: /* return data anyway */
case EACCES:
return( AFP_OK );
openfork_err:
- of_dealloc( ofork );
+ of_dealloc(obj, ofork);
if (errno == EACCES)
return (access & OPENACC_WR) ? AFPERR_LOCK : AFPERR_ACCESS;
return ret;
return( err );
}
-int afp_closefork(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
+int afp_closefork(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
struct ofork *ofork;
uint16_t ofrefnum;
LOG(log_debug, logtype_afpd, "afp_closefork(fork: %s)",
(ofork->of_flags & AFPFORK_DATA) ? "d" : "r");
- if ( of_closefork( ofork ) < 0 ) {
+ if (of_closefork(obj, ofork) < 0 ) {
LOG(log_error, logtype_afpd, "afp_closefork(%s): of_closefork: %s", of_name(ofork), strerror(errno) );
return( AFPERR_PARAM );
}