/*
* Read manager identifier (max 16 bytes). Check if it is a UUID and consists
* of hexadecimal digits only. If so convert it to UUID.
*/
static bool getmgr2id(struct vdpnl_vsi *p, char *s)
{
bool is_good;
size_t cnt = 0, i, slen = strlen(s);
char *s_old = s;
if (vdp_str2uuid(p->vsi_mgrid2, s, sizeof(p->vsi_mgrid2)) == 0)
return true;
/* Check for alphanumeric string */
for (i = 0; i < slen; ++i, ++s)
if (isalnum(*s))
++cnt;
is_good = cnt == slen && cnt < sizeof(p->vsi_mgrid2);
if (is_good)
memcpy(p->vsi_mgrid2, s_old, cnt);
return is_good;
}
int oui_vdp_str2uuid(unsigned char *to, char *buffer, size_t max)
{
return vdp_str2uuid(to, buffer, max);
}
static int str2vdpnl(char *argvalue, struct vdpnl_vsi *vsi)
{
int rc = -ENOMEM;
unsigned int no;
unsigned short idx;
char *cmdstring, *token;
cmdstring = strdup(argvalue);
if (!cmdstring)
goto out_free;
rc = -EINVAL;
/* 1st field is VSI command */
token = strtok(cmdstring, ",");
if (!token || !getmode(vsi, token))
goto out_free;
/* 2nd field is VSI Manager Identifer (16 bytes maximum) */
token = strtok(NULL, ",");
if (!token || !getmgr2id(vsi, token))
goto out_free;
/* 3rd field is type identifier */
token = strtok(NULL, ",");
if (!token || !getnumber(token, 0, 0xffffff, &no))
goto out_free;
vsi->vsi_typeid = no;
/* 4th field is type version identifier */
token = strtok(NULL, ",");
if (!token || !getnumber(token, 0, 0xff, &no))
goto out_free;
vsi->vsi_typeversion = no;
/* 5th field is filter VSI UUID */
token = strtok(NULL, ",");
if (!token || vdp_str2uuid(vsi->vsi_uuid, token, sizeof(vsi->vsi_uuid)))
goto out_free;
vsi->vsi_idfmt = VDP22_ID_UUID;
/* 6th field is migration hints */
token = strtok(NULL, ",");
if (!token || !gethints(vsi, token))
goto out_free;
/*
* 7th and remaining fields are filter information format data.
* All fields must have the same format. The first fid field determines
* the format.
*/
for (idx = 0, token = strtok(NULL, ","); token != NULL;
++idx, token = strtok(NULL, ",")) {
if (idx < vsi->macsz && !getfid(vsi, token, idx))
goto out_free;
}
/* Return error if no filter information provided */
if (idx)
rc = 0;
out_free:
free(cmdstring);
return rc;
}
