409 lines
8.5 KiB
C
409 lines
8.5 KiB
C
/* $NetBSD: smb_subr.c,v 1.1 2000/12/07 03:48:10 deberg Exp $ */
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/*
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* Copyright (c) 2000, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/lock.h>
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#include <uvm/uvm_extern.h>
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#include <sys/sysctl.h>
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#include <sys/socket.h>
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#include <sys/signalvar.h>
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#include <sys/mbuf.h>
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#include <sys/tree.h>
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#include "iconv.h"
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#include <netsmb/smb.h>
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#include <netsmb/smb_conn.h>
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#include <netsmb/smb_rq.h>
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#include <netsmb/smb_subr.h>
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#include <netsmb/netbios.h>
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#ifndef NetBSD
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MALLOC_DEFINE(M_SMBDATA, "SMBDATA", "Misc netsmb data");
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MALLOC_DEFINE(M_SMBSTR, "SMBSTR", "netsmb string data");
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MALLOC_DEFINE(M_SMBTEMP, "SMBTEMP", "Temp netsmb data");
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#endif
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smb_unichar smb_unieol = 0;
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void
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smb_makescred(struct smb_cred *scred, struct proc *p, struct ucred *cred)
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{
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if (p) {
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scred->scr_p = p;
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scred->scr_cred = cred ? cred : p->p_ucred;
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} else {
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scred->scr_p = NULL;
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scred->scr_cred = cred ? cred : NULL;
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}
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}
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int
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smb_proc_intr(struct proc *p)
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{
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#ifndef NetBSD
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#if __FreeBSD_version < 400009
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if (p && p->p_siglist &&
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(((p->p_siglist & ~p->p_sigmask) & ~p->p_sigignore) & SMB_SIGMASK))
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return EINTR;
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return 0;
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#else
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sigset_t tmpset;
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if (p == NULL)
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return 0;
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tmpset = p->p_siglist;
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SIGSETNAND(tmpset, p->p_sigmask);
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SIGSETNAND(tmpset, p->p_sigignore);
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if (SIGNOTEMPTY(p->p_siglist) && SMB_SIGMASK(tmpset))
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return EINTR;
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return 0;
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#endif
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#else
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sigset_t tmpset;
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if (p == NULL)
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return 0;
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/* tmpsetp = p->p_siglist; */
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sigemptyset (&tmpset);
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sigplusset (&p->p_siglist, &tmpset);
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sigminusset(&p->p_sigmask, &tmpset);
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sigminusset(&p->p_sigignore, &tmpset);
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if (SMB_SIGMASK(&tmpset))
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return EINTR;
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return 0;
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#endif
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}
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char *
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smb_strdup(const char *s)
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{
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char *p;
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int len;
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len = s ? strlen(s) + 1 : 1;
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MALLOC(p, char *, len, M_SMBSTR, M_WAITOK);
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if (p == NULL)
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return NULL;
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if (s)
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bcopy(s, p, len);
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else
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*p = 0;
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return p;
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}
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/*
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* duplicate string from a user space.
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*/
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char *
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smb_strdupin(char *s, int maxlen)
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{
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char *p, bt;
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int len = 0;
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for (p = s; ;p++) {
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if (copyin(p, &bt, 1))
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return NULL;
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len++;
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if (maxlen && len > maxlen)
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return NULL;
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if (bt == 0)
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break;
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}
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MALLOC(p, char *, len, M_SMBSTR, M_WAITOK);
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if (p == NULL)
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return NULL;
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copyin(s, p, len);
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return p;
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}
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/*
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* duplicate memory block from a user space.
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*/
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void *
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smb_memdupin(void *umem, int len)
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{
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char *p;
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if (len > 8 * 1024)
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return NULL;
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MALLOC(p, char *, len, M_SMBSTR, M_WAITOK);
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if (p == NULL)
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return NULL;
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if (copyin(umem, p, len) == 0)
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return p;
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free(p, M_SMBSTR);
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return NULL;
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}
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/*
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* duplicate memory block in the kernel space.
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*/
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void *
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smb_memdup(const void *umem, int len)
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{
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char *p;
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if (len > 8 * 1024)
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return NULL;
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MALLOC(p, char *, len, M_SMBSTR, M_WAITOK);
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if (p == NULL)
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return NULL;
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bcopy(umem, p, len);
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return p;
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}
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void
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smb_strfree(char *s)
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{
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free(s, M_SMBSTR);
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}
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void
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smb_memfree(void *s)
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{
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free(s, M_SMBSTR);
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}
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void
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smb_strtouni(u_int16_t *dst, const char *src)
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{
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while (*src) {
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*dst++ = htoles(*src++);
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}
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*dst = 0;
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}
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#ifdef SMB_SOCKETDATA_DEBUG
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void
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m_dumpm(struct mbuf *m) {
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char *p;
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int len;
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printf("d=");
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while(m) {
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p=mtod(m,char *);
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len=m->m_len;
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printf("(%d)",len);
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while(len--){
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printf("%02x ",((int)*(p++)) & 0xff);
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}
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m=m->m_next;
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};
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printf("\n");
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}
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#endif
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int
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smb_maperror(int eclass, int eno)
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{
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if (eclass == 0 && eno == 0)
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return 0;
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switch (eclass) {
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case ERRDOS:
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switch (eno) {
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case ERRbadfunc:
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case ERRbadmcb:
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case ERRbadenv:
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case ERRbadformat:
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case ERRrmuns:
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return EINVAL;
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case ERRbadfile:
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case ERRbadpath:
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case ERRremcd:
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case 66: /* nt returns it when share not available */
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return ENOENT;
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case ERRnofids:
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return EMFILE;
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case ERRnoaccess:
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case ERRbadshare:
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return EACCES;
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case ERRbadfid:
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return EBADF;
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case ERRnomem:
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return ENOMEM; /* actually remote no mem... */
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case ERRbadmem:
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return EFAULT;
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case ERRbadaccess:
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return EACCES;
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case ERRbaddata:
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return E2BIG;
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case ERRbaddrive:
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return ENXIO;
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case ERRdiffdevice:
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return EXDEV;
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case ERRnofiles:
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return 0; /* eeof ? */
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return ETXTBSY;
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case ERRlock:
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return EDEADLK;
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case ERRfilexists:
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return EEXIST;
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case 123: /* dunno what is it, but samba maps as noent */
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return ENOENT;
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case 145: /* samba */
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return ENOTEMPTY;
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case 183:
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return EEXIST;
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}
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break;
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case ERRSRV:
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switch (eno) {
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case ERRerror:
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return EINVAL;
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case ERRbadpw:
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return EAUTH;
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case ERRaccess:
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return EACCES;
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case ERRinvnid:
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return ENETRESET;
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case ERRinvnetname:
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SMBERROR("NetBIOS name is invalid\n");
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return EAUTH;
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case 3: /* reserved and returned */
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return EIO;
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case 2239: /* NT: account exists but disabled */
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return EPERM;
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}
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break;
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case ERRHRD:
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switch (eno) {
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case ERRnowrite:
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return EROFS;
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case ERRbadunit:
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return ENODEV;
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case ERRnotready:
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case ERRbadcmd:
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case ERRdata:
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return EIO;
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case ERRbadreq:
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return EBADRPC;
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case ERRbadshare:
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return ETXTBSY;
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case ERRlock:
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return EDEADLK;
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}
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break;
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}
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SMBERROR("Unmapped error %d:%d\n", eclass, eno);
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return EBADRPC;
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}
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int
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smb_put_dmem(struct mbdata *mbp, struct smb_conn *scp, const char *src,
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int size, int caseopt)
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{
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struct iconv_drv *dp = scp->sc_toserver;
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struct mbuf *m;
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char *dst;
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int error = 0, s, cplen, outlen;
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if (size == 0)
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return 0;
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if (dp == NULL) {
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return mb_put_mem(mbp, src, size, MB_MSYSTEM);
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}
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m = mbp->mb_cur;
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if (m_getm(m, size) == NULL)
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return ENOBUFS;
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while (size > 0) {
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cplen = M_TRAILINGSPACE(m);
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if (cplen == 0) {
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m = m->m_next;
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continue;
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}
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if (cplen > size)
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cplen = size;
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s = cplen;
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dst = mtod(m, caddr_t) + m->m_len;
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error = iconv_conv(dp, &src, &cplen, &dst, &outlen);
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if (error)
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return error;
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size -= s;
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m->m_len += s;
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mbp->mb_count += s;
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}
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mbp->mb_pos = mtod(m, caddr_t) + m->m_len;
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mbp->mb_cur = m;
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return 0;
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}
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int
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smb_put_dstring(struct mbdata *mbp, struct smb_conn *scp, const char *src,
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int caseopt)
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{
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int error;
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error = smb_put_dmem(mbp, scp, src, strlen(src), caseopt);
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if (error)
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return error;
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return mb_put_byte(mbp, 0);
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}
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int
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smb_put_asunistring(struct smb_rq *rqp, const char *src)
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{
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struct mbdata *mbp = &rqp->sr_rq;
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struct iconv_drv *dp = rqp->sr_conn->sc_toserver;
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u_char c;
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int error;
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while (*src) {
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iconv_convmem(dp, &c, src++, 1);
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error = mb_put_wordle(mbp, c);
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if (error)
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return error;
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}
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return mb_put_wordle(mbp, 0);
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}
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#define M_NBDATA M_PCB
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struct sockaddr *
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dup_sockaddr(struct sockaddr *sa, int i)
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{
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struct sockaddr *p;
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register int len = sizeof(struct sockaddr_nb);
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MALLOC(p, struct sockaddr *, len, M_NBDATA, M_WAITOK);
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if (p == NULL)
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return NULL;
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bcopy(sa, p, len);
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return p;
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}
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