/*
* Assign a key to cliptr, or output cliptr's value as a key.
* On assignment the value is specified in valstr in hexascii;
* on output its value is printed in hexascii, provided the key
* was entered at the interpreter (not obtained from OBP and
* thus hidden).
*/
static int
clkey(cli_ent_t *cliptr, char *valstr, boolean_t out)
{
uint_t len, vmax;
if (out) {
char buffer[2 * WANBOOT_MAXKEYLEN + 1];
if (!CLF_ISHIDDEN(cliptr)) {
len = cliptr->varlen * 2 + 1;
(void) octet_to_hexascii(cliptr->varptr,
cliptr->varlen, buffer, &len);
printf("%s", buffer);
} else {
printf("*HIDDEN*");
}
return (CLI_CONT);
} else {
len = strlen(valstr);
vmax = cliptr->varmax;
if (len != vmax * 2 || hexascii_to_octet(valstr, len,
cliptr->varptr, &vmax) != 0) {
return (CLI_FAIL);
}
cliptr->varlen = vmax;
CLF_CLRHIDDEN(cliptr);
return (CLI_SET);
}
}
/*
* Assign a client-id to cliptr, or output cliptr's value as a client-id.
* On assignment the value is specified in valstr, either in hexascii or
* as a quoted string; on output its value is printed in hexascii.
*/
static int
clcid(cli_ent_t *cliptr, char *valstr, boolean_t out)
{
uint_t len, vmax;
boolean_t hexascii = B_TRUE;
char buffer[2 * WB_MAX_CID_LEN + 1];
if (out) {
len = cliptr->varlen * 2 + 1;
(void) octet_to_hexascii(cliptr->varptr, cliptr->varlen,
buffer, &len);
printf("%s", buffer);
return (CLI_CONT);
} else {
len = strlen(valstr);
vmax = cliptr->varmax - 1; /* space for the prefix */
/*
* Check whether the value is a quoted string; if so, strip
* the quotes and note that it's not in hexascii.
*/
if ((valstr[0] == '"' || valstr[0] == '\'') &&
valstr[len-1] == valstr[0]) {
hexascii = B_FALSE;
++valstr;
len -= 2;
valstr[len] = '\0';
} else {
/*
* If the value contains any non-hex digits assume
* that it's not in hexascii.
*/
char *p;
for (p = valstr; *p != '\0'; ++p) {
if (!isxdigit(*p)) {
hexascii = B_FALSE;
break;
}
}
}
if (hexascii) {
if (len > vmax * 2 ||
hexascii_to_octet(valstr, len,
(char *)(cliptr->varptr), &vmax) != 0) {
return (CLI_FAIL);
}
cliptr->varlen = vmax;
} else {
if (len > vmax) {
return (CLI_FAIL);
}
bcopy(valstr, cliptr->varptr, len);
cliptr->varlen = len;
}
return (CLI_SET);
}
}
/*
* Compares the fields in fields[] agains the fields in target `targetp',
* using `query' to decide what fields to compare. Returns B_TRUE if `dnp'
* matches `targetp', B_FALSE if not. On success, `dnp' is completely
* filled in.
*/
static boolean_t
record_match(char *fields[], dn_rec_t *dnp, const dn_rec_t *targetp,
uint_t query)
{
unsigned int qflags[] = { DN_QFDYNAMIC, DN_QFAUTOMATIC, DN_QFMANUAL,
DN_QFUNUSABLE, DN_QFBOOTP_ONLY };
unsigned int flags[] = { DN_FDYNAMIC, DN_FAUTOMATIC, DN_FMANUAL,
DN_FUNUSABLE, DN_FBOOTP_ONLY };
unsigned int i;
uint_t dn_cid_len;
dnp->dn_cip.s_addr = ntohl(inet_addr(fields[DNF_CIP]));
if (DSVC_QISEQ(query, DN_QCIP) &&
dnp->dn_cip.s_addr != targetp->dn_cip.s_addr)
return (B_FALSE);
if (DSVC_QISNEQ(query, DN_QCIP) &&
dnp->dn_cip.s_addr == targetp->dn_cip.s_addr)
return (B_FALSE);
dnp->dn_lease = atoi(fields[DNF_LEASE]);
if (DSVC_QISEQ(query, DN_QLEASE) && targetp->dn_lease != dnp->dn_lease)
return (B_FALSE);
if (DSVC_QISNEQ(query, DN_QLEASE) && targetp->dn_lease == dnp->dn_lease)
return (B_FALSE);
/*
* We use dn_cid_len since dnp->dn_cid_len is of type uchar_t but
* hexascii_to_octet() expects an uint_t *
*/
dn_cid_len = DN_MAX_CID_LEN;
if (hexascii_to_octet(fields[DNF_CID], strlen(fields[DNF_CID]),
dnp->dn_cid, &dn_cid_len) != 0)
return (B_FALSE);
dnp->dn_cid_len = dn_cid_len;
if (DSVC_QISEQ(query, DN_QCID) &&
(dnp->dn_cid_len != targetp->dn_cid_len ||
(memcmp(dnp->dn_cid, targetp->dn_cid, dnp->dn_cid_len) != 0)))
return (B_FALSE);
if (DSVC_QISNEQ(query, DN_QCID) &&
(dnp->dn_cid_len == targetp->dn_cid_len &&
(memcmp(dnp->dn_cid, targetp->dn_cid, dnp->dn_cid_len) == 0)))
return (B_FALSE);
dnp->dn_sip.s_addr = ntohl(inet_addr(fields[DNF_SIP]));
if (DSVC_QISEQ(query, DN_QSIP) &&
dnp->dn_sip.s_addr != targetp->dn_sip.s_addr)
return (B_FALSE);
if (DSVC_QISNEQ(query, DN_QSIP) &&
dnp->dn_sip.s_addr == targetp->dn_sip.s_addr)
return (B_FALSE);
unescape('|', fields[DNF_MACRO], dnp->dn_macro, sizeof (dnp->dn_macro));
if (DSVC_QISEQ(query, DN_QMACRO) &&
strcmp(targetp->dn_macro, dnp->dn_macro) != 0)
return (B_FALSE);
if (DSVC_QISNEQ(query, DN_QMACRO) &&
strcmp(targetp->dn_macro, dnp->dn_macro) == 0)
return (B_FALSE);
dnp->dn_flags = atoi(fields[DNF_FLAGS]);
for (i = 0; i < sizeof (qflags) / sizeof (unsigned int); i++) {
if (DSVC_QISEQ(query, qflags[i]) &&
(dnp->dn_flags & flags[i]) !=
(targetp->dn_flags & flags[i]))
return (B_FALSE);
if (DSVC_QISNEQ(query, qflags[i]) &&
(dnp->dn_flags & flags[i]) ==
(targetp->dn_flags & flags[i]))
return (B_FALSE);
}
dnp->dn_sig = atoll(fields[DNF_SIG]);
unescape('|', fields[DNF_COMMENT], dnp->dn_comment,
sizeof (dnp->dn_comment));
return (B_TRUE);
}
/*
* Determine whether the kernel has a cached DHCP ACK, and if so
* initialize dhcp_pl and dhcp_ifn.
*/
static boolean_t
dhcp_info_init(void)
{
boolean_t ret = B_FALSE;
char dummy;
char *dhcack = NULL;
long dhcacksz;
char *ackp;
/*
* See whether the kernel has a cached DHCP ACK, and if so get it.
* If there is no DHCP ACK, then the returned length is equal to
* the size of an empty string.
*/
if ((dhcacksz = sysinfo(SI_DHCP_CACHE, &dummy,
sizeof (dummy))) == sizeof ("")) {
return (B_TRUE);
}
if ((dhcack = malloc(dhcacksz)) == NULL) {
goto cleanup;
}
if ((dhcp_pl = calloc(1, sizeof (PKT_LIST))) == NULL) {
goto cleanup;
}
(void) sysinfo(SI_DHCP_CACHE, (caddr_t)dhcack, dhcacksz);
/*
* The first IFNAMSIZ bytes are reserved for the interface name;
* the ACK follows.
*/
ackp = &dhcack[IFNAMSIZ];
/*
* Convert and scan the options.
*/
dhcp_pl->len = strlen(ackp) / 2;
if ((dhcp_pl->pkt = malloc(dhcp_pl->len)) == NULL) {
goto cleanup;
}
if (hexascii_to_octet(ackp, dhcp_pl->len * 2,
dhcp_pl->pkt, &dhcp_pl->len) != 0) {
goto cleanup;
}
if (dhcp_options_scan(dhcp_pl, B_TRUE) != 0) {
goto cleanup;
}
/*
* Set the interface-name.
*/
(void) strlcpy(dhcp_ifn, dhcack, sizeof (dhcp_ifn));
ret = B_TRUE;
cleanup:
if (!ret) {
dhcp_info_end();
}
if (dhcack != NULL) {
free(dhcack);
}
return (ret);
}
