struct Cns_direnrep DLL_DECL *
Cns_readdirxr(Cns_DIR *dirp, char *se)
{
int c;
int direntsz;
struct Cns_direnrep *dp;
char func[16];
int getattr = 5;
gid_t gid;
int i;
struct Cns_rep_info *ir;
int msglen;
int n;
int nbentries;
char *q;
char *rbp;
struct Cns_rep_info *rep_entries;
char repbuf[DIRBUFSZ+4];
char *sbp;
char sendbuf[REQBUFSZ];
uid_t uid;
strcpy (func, "Cns_readdirxr");
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
Cns_errmsg (func, NS053);
serrno = SENOMAPFND;
return (NULL);
}
#endif
if (! dirp) {
serrno = EFAULT;
return (NULL);
}
if (se && strlen (se) > CA_MAXHOSTNAMELEN) {
serrno = EINVAL;
return (NULL);
}
/* compute size of client machine Cns_direnrep structure excluding d_name */
dp = (struct Cns_direnrep *) dirp->dd_buf;
direntsz = &dp->d_name[0] - (char *) dp;
if (dirp->dd_size == 0) { /* no data in the cache */
if (dirp->replicas) { /* free previous replica information */
ir = (struct Cns_rep_info *) dirp->replicas;
for (i = 0; i < dirp->nbreplicas; i++) {
free (ir->host);
free (ir->sfn);
ir++;
}
free (dirp->replicas);
dirp->nbreplicas = 0;
dirp->replicas = NULL;
}
if (dirp->eod)
return (NULL);
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC);
marshall_LONG (sbp, CNS_READDIR);
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_WORD (sbp, getattr);
marshall_WORD (sbp, direntsz);
marshall_HYPER (sbp, dirp->fileid);
marshall_WORD (sbp, dirp->bod);
if (se) {
marshall_STRING (sbp, se);
} else {
marshall_STRING (sbp, "");
}
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
c = send2nsdx (&dirp->dd_fd, NULL, sendbuf, msglen,
repbuf, sizeof(repbuf), (void **) &dirp->replicas,
&dirp->nbreplicas);
if (c < 0)
return (NULL);
rbp = repbuf;
unmarshall_WORD (rbp, nbentries);
if (nbentries == 0)
return (NULL); /* end of directory */
/* unmarshall reply into the Cns_direnrep structures */
dp = (struct Cns_direnrep *) dirp->dd_buf;
i = 0;
rep_entries = (struct Cns_rep_info *) dirp->replicas;
while (nbentries--) {
unmarshall_HYPER (rbp, dp->fileid);
unmarshall_STRING (rbp, dp->guid);
unmarshall_WORD (rbp, dp->filemode);
unmarshall_HYPER (rbp, dp->filesize);
dp->nbreplicas = 0;
dp->rep = NULL;
for ( ; i < dirp->nbreplicas; i++) {
if (dp->fileid != (rep_entries+i)->fileid) break;
dp->nbreplicas++;
if (dp->nbreplicas == 1)
dp->rep = rep_entries + i;
}
unmarshall_STRING (rbp, dp->d_name);
dp->d_reclen = ((direntsz + strlen (dp->d_name) + 8) / 8) * 8;
dp = (struct Cns_direnrep *) ((char *) dp + dp->d_reclen);
}
dirp->bod = 0;
unmarshall_WORD (rbp, dirp->eod);
dirp->dd_size = (char *) dp - dirp->dd_buf;
}
dp = (struct Cns_direnrep *) (dirp->dd_buf + dirp->dd_loc);
dirp->dd_loc += dp->d_reclen;
if (dirp->dd_loc >= dirp->dd_size) { /* must refill next time */
dirp->dd_loc = 0;
dirp->dd_size = 0;
}
return (dp);
}
int DLL_DECL
Cns_lstat(const char *path, struct Cns_filestat *statbuf)
{
char *actual_path;
int c, n;
char func[16];
gid_t gid;
int msglen;
char *q;
char *rbp;
char repbuf[57];
char *sbp;
char sendbuf[REQBUFSZ];
char server[CA_MAXHOSTNAMELEN+1];
struct Cns_api_thread_info *thip;
uid_t uid;
u_signed64 zero = 0;
strcpy (func, "Cns_lstat");
if (Cns_apiinit (&thip))
return (-1);
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
Cns_errmsg (func, NS053);
serrno = SENOMAPFND;
return (-1);
}
#endif
if (! path || ! statbuf) {
serrno = EFAULT;
return (-1);
}
if (strlen (path) > CA_MAXPATHLEN) {
serrno = ENAMETOOLONG;
return (-1);
}
if (Cns_selectsrvr (path, thip->server, server, &actual_path))
return (-1);
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC2);
marshall_LONG (sbp, CNS_LSTAT);
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_HYPER (sbp, thip->cwd);
marshall_HYPER (sbp, zero);
marshall_STRING (sbp, actual_path);
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
c = send2nsd (NULL, server, sendbuf, msglen, repbuf, sizeof(repbuf));
if (c == 0) {
rbp = repbuf;
unmarshall_HYPER (rbp, statbuf->fileid);
unmarshall_WORD (rbp, statbuf->filemode);
unmarshall_LONG (rbp, statbuf->nlink);
unmarshall_LONG (rbp, statbuf->uid);
unmarshall_LONG (rbp, statbuf->gid);
unmarshall_HYPER (rbp, statbuf->filesize);
unmarshall_TIME_T (rbp, statbuf->atime);
unmarshall_TIME_T (rbp, statbuf->mtime);
unmarshall_TIME_T (rbp, statbuf->ctime);
unmarshall_WORD (rbp, statbuf->fileclass);
unmarshall_BYTE (rbp, statbuf->status);
}
if (c && serrno == SENAMETOOLONG) serrno = ENAMETOOLONG;
return (c);
}
int DLL_DECL
Cns_statr(const char *sfn, struct Cns_filestatg *statbuf)
{
int c, n;
char func[16];
gid_t gid;
int msglen;
char *q;
char *rbp;
char repbuf[132];
char *sbp;
char sendbuf[REQBUFSZ];
struct Cns_api_thread_info *thip;
uid_t uid;
strcpy (func, "Cns_statr");
if (Cns_apiinit (&thip))
return (-1);
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
Cns_errmsg (func, NS053);
serrno = SENOMAPFND;
return (-1);
}
#endif
if (! sfn || ! statbuf) {
serrno = EFAULT;
return (-1);
}
if (strlen (sfn) > CA_MAXSFNLEN) {
serrno = ENAMETOOLONG;
return (-1);
}
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC);
marshall_LONG (sbp, CNS_STATR);
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_STRING (sbp, sfn);
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
c = send2nsd (NULL, NULL, sendbuf, msglen, repbuf, sizeof(repbuf));
if (c == 0) {
rbp = repbuf;
unmarshall_HYPER (rbp, statbuf->fileid);
unmarshall_STRING (rbp, statbuf->guid);
unmarshall_WORD (rbp, statbuf->filemode);
unmarshall_LONG (rbp, statbuf->nlink);
unmarshall_LONG (rbp, statbuf->uid);
unmarshall_LONG (rbp, statbuf->gid);
unmarshall_HYPER (rbp, statbuf->filesize);
unmarshall_TIME_T (rbp, statbuf->atime);
unmarshall_TIME_T (rbp, statbuf->mtime);
unmarshall_TIME_T (rbp, statbuf->ctime);
unmarshall_WORD (rbp, statbuf->fileclass);
unmarshall_BYTE (rbp, statbuf->status);
unmarshall_STRING (rbp, statbuf->csumtype);
unmarshall_STRING (rbp, statbuf->csumvalue);
}
if (c && serrno == SENAMETOOLONG) serrno = ENAMETOOLONG;
return (c);
}
struct Cns_linkinfo *
Cns_listlinks(const char *path, const char *guid, int flags, Cns_list *listp)
{
char *actual_path;
int bol = 0;
int c;
char func[16];
gid_t gid;
int listentsz = sizeof(struct Cns_linkinfo);
struct Cns_linkinfo *lp;
int msglen;
int nbentries;
char *p;
char *q;
char *rbp;
char repbuf[LISTBUFSZ+4];
char *sbp;
char sendbuf[REQBUFSZ];
char server[CA_MAXHOSTNAMELEN+1];
struct Cns_api_thread_info *thip;
uid_t uid;
strcpy (func, "Cns_listlinks");
if (Cns_apiinit (&thip))
return (NULL);
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
Cns_errmsg (func, NS053);
serrno = SENOMAPFND;
return (NULL);
}
#endif
if ((! path && ! guid) || ! listp) {
serrno = EFAULT;
return (NULL);
}
if ((path && strlen (path) > CA_MAXPATHLEN) ||
(guid && strlen (guid) > CA_MAXGUIDLEN)) {
serrno = ENAMETOOLONG;
return (NULL);
}
if (path && Cns_selectsrvr (path, thip->server, server, &actual_path))
return (NULL);
if (flags == CNS_LIST_BEGIN) {
memset (listp, 0, sizeof(Cns_list));
listp->fd = -1;
if ((listp->buf = malloc (LISTBUFSZ)) == NULL) {
serrno = ENOMEM;
return (NULL);
}
bol = 1;
}
if (listp->len == 0 && listp->eol /* all entries have been listed */
&& flags != CNS_LIST_END)
return (NULL);
if (listp->buf == NULL)
return (NULL); /* buffer has already been freed */
if (listp->len == 0 /* no data in the cache */
|| flags == CNS_LIST_END) {
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC);
if (flags == CNS_LIST_END) {
marshall_LONG (sbp, CNS_ENDLIST);
} else {
marshall_LONG (sbp, CNS_LISTLINKS);
}
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_WORD (sbp, listentsz);
marshall_HYPER (sbp, thip->cwd);
if (path) {
marshall_STRING (sbp, actual_path);
} else {
marshall_STRING (sbp, "");
}
if (guid) {
marshall_STRING (sbp, guid);
} else {
marshall_STRING (sbp, "");
}
marshall_WORD (sbp, bol);
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
c = send2nsd (&listp->fd, path ? server : NULL, sendbuf,
msglen, repbuf, sizeof(repbuf));
if (c < 0 || flags == CNS_LIST_END) {
if (listp->buf)
free (listp->buf);
listp->buf = NULL;
return (NULL);
}
rbp = repbuf;
unmarshall_WORD (rbp, nbentries);
if (nbentries == 0)
return (NULL); /* end of list */
/* unmarshall reply into Cns_linkinfo structures */
lp = (struct Cns_linkinfo *) listp->buf;
while (nbentries--) {
unmarshall_STRING (rbp, lp->path);
lp++;
}
unmarshall_WORD (rbp, listp->eol);
listp->len = (char *) lp - listp->buf;
}
lp = (struct Cns_linkinfo *) (listp->buf + listp->offset);
listp->offset += sizeof(struct Cns_linkinfo);
if (listp->offset >= listp->len) { /* must refill next time */
listp->offset = 0;
listp->len = 0;
}
return (lp);
}