/*
* Here we expect something like "[proto:]//[user@]host[:psmb[:pnb]][/share][/path]"
*/
int
smb_ctx_parseunc(struct smb_ctx *ctx, const char *unc, int sharetype,
const char **next)
{
const char *p = unc;
char *p1, *psmb, *pnb;
char tmp[1024];
int error ;
ctx->ct_parsedlevel = SMBL_NONE;
if (*p++ != '/' || *p++ != '/') {
smb_error("UNC should start with '//'", 0);
return EINVAL;
}
p1 = tmp;
error = getsubstring(p, '@', p1, sizeof(tmp), &p);
if (!error) {
if (ctx->ct_maxlevel < SMBL_VC) {
smb_error("no user name required", 0);
return EINVAL;
}
if (*p1 == 0) {
smb_error("empty user name", 0);
return EINVAL;
}
error = smb_ctx_setuser(ctx, tmp);
if (error)
return error;
ctx->ct_parsedlevel = SMBL_VC;
}
error = getsubstring(p, '/', p1, sizeof(tmp), &p);
if (error) {
error = getsubstring(p, '\0', p1, sizeof(tmp), &p);
if (error) {
smb_error("no server name found", 0);
return error;
}
}
if (*p1 == 0) {
smb_error("empty server name", 0);
return EINVAL;
}
/*
* Check for port number specification.
*/
psmb = strchr(tmp, ':');
if (psmb) {
*psmb++ = '\0';
pnb = strchr(psmb, ':');
if (pnb) {
*pnb++ = '\0';
error = smb_ctx_setnbport(ctx, atoi(pnb));
if (error) {
smb_error("Invalid NetBIOS port number", 0);
return error;
}
}
error = smb_ctx_setsmbport(ctx, atoi(psmb));
if (error) {
smb_error("Invalid SMB port number", 0);
return error;
}
}
error = smb_ctx_setserver(ctx, tmp);
if (error)
return error;
if (sharetype == SMB_ST_NONE) {
*next = p;
return 0;
}
if (*p != 0 && ctx->ct_maxlevel < SMBL_SHARE) {
smb_error("no share name required", 0);
return EINVAL;
}
error = getsubstring(p, '/', p1, sizeof(tmp), &p);
if (error) {
error = getsubstring(p, '\0', p1, sizeof(tmp), &p);
if (error) {
smb_error("unexpected end of line", 0);
return error;
}
}
if (*p1 == 0 && ctx->ct_minlevel >= SMBL_SHARE) {
smb_error("empty share name", 0);
return EINVAL;
}
*next = p;
if (*p1 == 0)
return 0;
error = smb_ctx_setshare(ctx, p1, sharetype);
return error;
}
/*
* Here we expect something like "[proto:]//[user@]host[/share][/path]"
*/
int
smb_ctx_parseunc(struct smb_ctx *ctx, const char *unc, int sharetype,
const char **next)
{
const char *p = unc;
char *p1;
char tmp[1024];
int error ;
ctx->ct_parsedlevel = SMBL_NONE;
if (*p++ != '/' || *p++ != '/') {
smb_error("UNC should start with '//'", 0);
return EINVAL;
}
p1 = tmp;
error = getsubstring(p, '@', p1, sizeof(tmp), &p);
if (!error) {
if (ctx->ct_maxlevel < SMBL_VC) {
smb_error("no user name required", 0);
return EINVAL;
}
if (*p1 == 0) {
smb_error("empty user name", 0);
return EINVAL;
}
error = smb_ctx_setuser(ctx, tmp);
if (error)
return error;
ctx->ct_parsedlevel = SMBL_VC;
}
error = getsubstring(p, '/', p1, sizeof(tmp), &p);
if (error) {
error = getsubstring(p, '\0', p1, sizeof(tmp), &p);
if (error) {
smb_error("no server name found", 0);
return error;
}
}
if (*p1 == 0) {
smb_error("empty server name", 0);
return EINVAL;
}
error = smb_ctx_setserver(ctx, tmp);
if (error)
return error;
if (sharetype == SMB_ST_NONE) {
*next = p;
return 0;
}
if (*p != 0 && ctx->ct_maxlevel < SMBL_SHARE) {
smb_error("no share name required", 0);
return EINVAL;
}
error = getsubstring(p, '/', p1, sizeof(tmp), &p);
if (error) {
error = getsubstring(p, '\0', p1, sizeof(tmp), &p);
if (error) {
smb_error("unexpected end of line", 0);
return error;
}
}
if (*p1 == 0 && ctx->ct_minlevel >= SMBL_SHARE) {
smb_error("empty share name", 0);
return EINVAL;
}
*next = p;
if (*p1 == 0)
return 0;
error = smb_ctx_setshare(ctx, p1, sharetype);
return error;
}
int
smb_ctx_lookup(struct smb_ctx *ctx, int level, int flags)
{
struct smbioc_lookup rq;
int error;
if ((ctx->ct_flags & SMBCF_RESOLVED) == 0) {
smb_error("smb_ctx_lookup() data is not resolved", 0);
return EINVAL;
}
if (ctx->ct_fd != -1) {
smb_kops.ko_close(ctx->ct_fd);
ctx->ct_fd = -1;
}
error = smb_ctx_gethandle(ctx);
if (error) {
smb_error("can't get handle to requester (no /dev/"NSMB_NAME"* device available)", 0);
return EINVAL;
}
bzero(&rq, sizeof(rq));
bcopy(&ctx->ct_ssn, &rq.ioc_ssn, sizeof(struct smbioc_ossn));
bcopy(&ctx->ct_sh, &rq.ioc_sh, sizeof(struct smbioc_oshare));
rq.ioc_flags = flags;
rq.ioc_level = level;
if (smb_kops.ko_ioctl(ctx->ct_fd, SMBIOC_LOOKUP, &rq) == -1) {
error = errno;
smb_kops.ko_close(ctx->ct_fd);
ctx->ct_fd = -1;
/*
* Fallback to *SMBSERVER as NetBIOS name. At least
* Windows NT and Windows XP require this (or valid
* NetBIOS server name), otherwise they refuse connection.
*/
if (smb_ctx_setserver(ctx, "*SMBSERVER") != 0)
goto fail;
error = smb_ctx_resolve(ctx);
if (error)
goto fail;
error = smb_ctx_gethandle(ctx);
if (error)
goto fail;
bcopy(&ctx->ct_ssn, &rq.ioc_ssn, sizeof(struct smbioc_ossn));
if (smb_kops.ko_ioctl(ctx->ct_fd, SMBIOC_LOOKUP, &rq) != -1)
goto success;
error = errno;
fail:
if (flags & SMBLK_CREATE)
smb_error("unable to open connection", error);
return error;
}
success:
return 0;
}
