static __be32 * nlm_decode_lock(__be32 *p, struct nlm_lock *lock) { struct file_lock *fl = &lock->fl; s32 start, len, end; if (!(p = xdr_decode_string_inplace(p, &lock->caller, &lock->len, NLM_MAXSTRLEN)) || !(p = nlm_decode_fh(p, &lock->fh)) || !(p = nlm_decode_oh(p, &lock->oh))) return NULL; lock->svid = ntohl(*p++); locks_init_lock(fl); fl->fl_owner = current->files; fl->fl_pid = (pid_t)lock->svid; fl->fl_flags = FL_POSIX; fl->fl_type = F_RDLCK; /* as good as anything else */ start = ntohl(*p++); len = ntohl(*p++); end = start + len - 1; fl->fl_start = s32_to_loff_t(start); if (len == 0 || end < 0) fl->fl_end = OFFSET_MAX; else fl->fl_end = s32_to_loff_t(end); return p; }
int nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p, struct nlm_reboot *argp) { if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN))) return 0; argp->state = ntohl(*p++); memcpy(&argp->priv.data, p, sizeof(argp->priv.data)); p += XDR_QUADLEN(SM_PRIV_SIZE); return xdr_argsize_check(rqstp, p); }
int nlm4svc_decode_reboot(struct svc_rqst *rqstp, __be32 *p, struct nlm_reboot *argp) { if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN))) return 0; argp->state = ntohl(*p++); /* Preserve the address in network byte order */ argp->addr = *p++; return xdr_argsize_check(rqstp, p); }
int nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p, struct nlm_args *argp) { struct nlm_lock *lock = &argp->lock; if (!(p = xdr_decode_string_inplace(p, &lock->caller, &lock->len, NLM_MAXSTRLEN))) return 0; argp->state = ntohl(*p++); return xdr_argsize_check(rqstp, p); }
/* * Decode a file name and make sure that the path contains * no slashes or null bytes. */ static inline u32 * decode_filename(u32 *p, char **namp, int *lenp) { char *name; int i; if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXNAMLEN)) != NULL) { for (i = 0, name = *namp; i < *lenp; i++, name++) { if (*name == '\0' || *name == '/') return NULL; } } return p; }
static __be32 * decode_pathname(__be32 *p, char **namp, unsigned int *lenp) { char *name; unsigned int i; if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS_MAXPATHLEN)) != NULL) { for (i = 0, name = *namp; i < *lenp; i++, name++) { if (*name == '\0') return NULL; } } return p; }
int nlm4svc_decode_shareargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp) { struct nlm_lock *lock = &argp->lock; memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->fl.fl_pid = ~(u32) 0; if (!(p = nlm4_decode_cookie(p, &argp->cookie)) || !(p = xdr_decode_string_inplace(p, &lock->caller, &lock->len, NLM_MAXSTRLEN)) || !(p = nlm4_decode_fh(p, &lock->fh)) || !(p = nlm4_decode_oh(p, &lock->oh))) return 0; argp->fsm_mode = ntohl(*p++); argp->fsm_access = ntohl(*p++); return xdr_argsize_check(rqstp, p); }