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added some functions to handle extended attributes in radmsg.c

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This commit is contained in:
hyung-hwan 2021-08-12 16:18:15 +00:00
parent 94e4cb6d4f
commit 5baf471e07
3 changed files with 478 additions and 167 deletions
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147
qse/include/qse/rad/radmsg.h
View File

@ -57,14 +57,19 @@ typedef enum qse_rad_code_t qse_rad_code_t;
#define QSE_RAD_MAX_AUTHENTICATOR_LEN 16
#define QSE_RAD_MAX_ATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_attr_hdr_t))
#define QSE_RAD_MAX_VSATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_attr_hdr_t) - QSE_SIZEOF(qse_rad_vsattr_hdr_t))
#define QSE_RAD_MAX_EXTVSATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_extvsattr_hdr_t))
#define QSE_RAD_MAX_XATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_xattr_hdr_t))
#define QSE_RAD_MAX_LXATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_lxattr_hdr_t))
#define QSE_RAD_MAX_VSATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_vsattr_hdr_t))
#define QSE_RAD_MAX_XVSATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_xvsattr_hdr_t))
#define QSE_RAD_MAX_LXVSATTR_VALUE_LEN (QSE_TYPE_MAX(qse_uint8_t) - QSE_SIZEOF(qse_rad_lxvsattr_hdr_t))
typedef struct qse_rad_hdr_t qse_rad_hdr_t;
typedef struct qse_rad_attr_hdr_t qse_rad_attr_hdr_t;
typedef struct qse_rad_xattr_hdr_t qse_rad_xattr_hdr_t;
typedef struct qse_rad_lxattr_hdr_t qse_rad_lxattr_hdr_t;
typedef struct qse_rad_vsattr_hdr_t qse_rad_vsattr_hdr_t;
typedef struct qse_rad_extvsattr_hdr_t qse_rad_extvsattr_hdr_t; /* evs */
typedef struct qse_rad_xvsattr_hdr_t qse_rad_xvsattr_hdr_t;
typedef struct qse_rad_lxvsattr_hdr_t qse_rad_lxvsattr_hdr_t; /* evs */
typedef struct qse_rad_attr_uint32_t qse_rad_attr_uint32_t;
#if (QSE_SIZEOF_UINT64_T > 0)
@ -82,24 +87,61 @@ struct qse_rad_hdr_t
struct qse_rad_attr_hdr_t
{
qse_uint8_t id; /* qse_rad_attr_id_t */
qse_uint8_t type; /* qse_rad_attr_type_t */
qse_uint8_t length;
};
struct qse_rad_xattr_hdr_t
{
qse_uint8_t type; /* qse_rad_attr_type_t - one of 241-244 */
qse_uint8_t length;
qse_uint8_t xtype; /* extended type */
};
struct qse_rad_lxattr_hdr_t
{
qse_uint8_t type; /* qse_rad_attr_type_t - 245 or 256*/
qse_uint8_t length;
qse_uint8_t xtype; /* extended type */
qse_uint8_t xflags; /* bit 7: continuation, bit 6-0: reserved. */
};
struct qse_rad_vsattr_hdr_t
{
qse_uint8_t id; /* type */
qse_uint8_t type; /* type - 26 */
qse_uint8_t length; /* length */
qse_uint32_t vendor; /* in network-byte order */
/* followed by a standard attribute */
qse_rad_attr_hdr_t vs;
};
struct qse_rad_extvsattr_hdr_t
struct qse_rad_xvsattr_hdr_t
{
qse_uint8_t id; /* one of 241-244 */
qse_uint8_t type; /* one of 241-244 */
qse_uint8_t length;
qse_uint8_t xid; /* extended type. 26 for evs */
qse_uint8_t xtype; /* extended type. 26 for evs(extended vendor specific) attribute */
qse_uint32_t vendor; /* in network-byte order */
qse_uint8_t evsid;
/* followed by a standard attribute */
qse_rad_attr_hdr_t xvs;
};
struct qse_rad_lxvsattr_hdr_t
{
qse_uint8_t type; /* 245, 246*/
qse_uint8_t length;
qse_uint8_t xtype; /* extended type. 26 for evs(extended vendor specific) attribute */
qse_uint32_t vendor; /* in network-byte order */
/* followed by an extended attribute */
struct
{
qse_uint8_t type;
qse_uint8_t flags; /* bit 7: continuation, bit 6-0: reserved. */
qse_uint8_t length;
} lxvs;
};
struct qse_rad_attr_uint32_t
@ -126,7 +168,7 @@ typedef int (*qse_rad_attr_walker_t) (
void* ctx
);
enum qse_rad_attr_id_t
enum qse_rad_attr_type_t
{
QSE_RAD_ATTR_USER_NAME = 1, /* string */
QSE_RAD_ATTR_USER_PASSWORD = 2, /* string encrypted */
@ -154,9 +196,20 @@ enum qse_rad_attr_id_t
QSE_RAD_ATTR_NAS_PORT_TYPE = 61, /* integer */
QSE_RAD_ATTR_ACCT_INTERIM_INTERVAL = 85, /* integer */
QSE_RAD_ATTR_NAS_PORT_ID = 87, /* string */
QSE_RAD_ATTR_FRAMED_IPV6_PREFIX = 97 /* ipv6prefix */
QSE_RAD_ATTR_FRAMED_IPV6_PREFIX = 97, /* ipv6prefix */
QSE_RAD_ATTR_EXTENDED_1 = 241,
QSE_RAD_ATTR_EXTENDED_2 = 242,
QSE_RAD_ATTR_EXTENDED_3 = 243,
QSE_RAD_ATTR_EXTENDED_4 = 244,
QSE_RAD_ATTR_EXTENDED_5 = 245, /* long extended */
QSE_RAD_ATTR_EXTENDED_6 = 246, /* long extended */
};
#define QSE_RAD_ATTR_IS_SHORT_EXTENDED(attrtype) ((attrtype) >= QSE_RAD_ATTR_EXTENDED_1 && (attrtype) <= QSE_RAD_ATTR_EXTENDED_4)
#define QSE_RAD_ATTR_IS_LONG_EXTENDED(attrtype) ((attrtype) >= QSE_RAD_ATTR_EXTENDED_5 && (attrtype) <= QSE_RAD_ATTR_EXTENDED_6)
#define QSE_RAD_ATTR_IS_EXTENDED(attrtype) ((attrtype) >= QSE_RAD_ATTR_EXTENDED_1 && (attrtype) <= QSE_RAD_ATTR_EXTENDED_6)
enum qse_rad_attr_acct_status_type_t
{
QSE_RAD_ATTR_ACCT_STATUS_TYPE_START = 1, /* accounting start */
@ -213,7 +266,22 @@ QSE_EXPORT void qse_rad_initialize (
QSE_EXPORT qse_rad_attr_hdr_t* qse_rad_find_attribute (
qse_rad_hdr_t* hdr,
qse_uint8_t attrid,
qse_uint8_t attrtype,
int index
);
QSE_EXPORT qse_rad_vsattr_hdr_t* qse_rad_find_vsattr (
qse_rad_hdr_t* hdr,
qse_uint32_t vendor,
qse_uint8_t attrtype,
int index
);
QSE_EXPORT qse_rad_xvsattr_hdr_t* qse_rad_find_extended_vsattr (
qse_rad_hdr_t* hdr,
qse_uint32_t vendor,
qse_uint8_t xtype,
qse_uint8_t attrtype,
int index
);
@ -238,24 +306,55 @@ QSE_EXPORT int qse_rad_insert_attribute (
qse_uint8_t len
);
QSE_EXPORT int qse_rad_insert_extended_attribute (
qse_rad_hdr_t* auth,
int max,
qse_uint8_t xtype,
qse_uint8_t attrtype,
const void* ptr,
qse_uint8_t len,
qse_uint8_t lxflags
);
QSE_EXPORT int qse_rad_insert_vendor_specific_attribute (
qse_rad_hdr_t* auth,
int max,
qse_uint32_t vendor,
qse_uint8_t attrid,
qse_uint8_t attrtype,
const void* ptr,
qse_uint8_t len
);
QSE_EXPORT int qse_rad_insert_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth,
int max,
qse_uint32_t vendor,
qse_uint8_t xtype, /* QSE_RAD_ATTR_EXTENDED_X */
qse_uint8_t attrtype,
const void* ptr,
qse_uint8_t len,
qse_uint8_t lxflags
);
QSE_EXPORT int qse_rad_delete_attribute (
qse_rad_hdr_t* hdr,
qse_uint8_t attrid
qse_rad_hdr_t* auth,
qse_uint8_t attrtype,
int index
);
QSE_EXPORT int qse_rad_delete_vendor_specific_attribute (
qse_rad_hdr_t* hdr,
qse_rad_hdr_t* auth,
qse_uint32_t vendor,
qse_uint8_t attrid
qse_uint8_t attrtype,
int index
);
QSE_EXPORT int qse_rad_delete_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth,
qse_uint32_t vendor,
qse_uint8_t xtype, /* QSE_RAD_ATTR_EXTENDED_X */
qse_uint8_t attrtype,
int index
);
QSE_EXPORT int qse_rad_insert_string_attribute (
@ -318,18 +417,6 @@ QSE_EXPORT int qse_rad_insert_giga_attribute (
qse_uint64_t value
);
QSE_EXPORT int qse_rad_insert_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth,
int max,
qse_uint8_t base, /* one of 241-244 */
qse_uint32_t vendor,
qse_uint8_t attrid,
const void* ptr,
qse_uint8_t len
);
/* TODO: QSE_EXPORT int qse_rad_delete_extended_vendor_specific_attribute () */
QSE_EXPORT int qse_rad_set_user_password (
qse_rad_hdr_t* auth,
int max,

1
qse/lib/rad/raddic.c
View File

@ -1453,7 +1453,6 @@ static int process_attribute (
flags.has_tlv = 1;
}
// TODO: what is tlv???
if (block_tlv)
{
/*

413
qse/lib/rad/radmsg.c
View File

@ -89,52 +89,134 @@ static void fill_authenticator_randomly (void* authenticator, int length)
}
}
static qse_rad_attr_hdr_t* find_attribute (qse_rad_attr_hdr_t* attr, int* len, qse_uint8_t attrid)
static qse_rad_attr_hdr_t* find_attribute (qse_rad_attr_hdr_t* attr, int* len, qse_uint8_t attrtype)
{
int rem = *len;
while (rem >= QSE_SIZEOF(*attr))
{
/* sanity checks */
if (rem < attr->length) return NULL;
if (rem < attr->length) return QSE_NULL;
if (attr->length < QSE_SIZEOF(*attr))
{
/* attribute length cannot be less than the header size.
* the packet could be corrupted... */
return NULL;
return QSE_NULL;
}
rem -= attr->length;
if (attr->id == attrid)
if (attr->type == attrtype)
{
*len = rem; /* remaining length */
return attr;
}
attr = (qse_rad_attr_hdr_t*)((qse_uint8_t*)attr + attr->length);
}
return QSE_NULL;
}
static qse_rad_attr_hdr_t* find_extended_attribute (qse_rad_attr_hdr_t* attr, int* len, qse_uint8_t xtype, qse_uint8_t attrtype)
{
int rem = *len;
/* xtype must be one of the followings:
* QSE_RAD_ATTR_EXTENDED_1
* QSE_RAD_ATTR_EXTENDED_2
* QSE_RAD_ATTR_EXTENDED_3
* QSE_RAD_ATTR_EXTENDED_4
* QSE_RAD_ATTR_EXTENDED_5
* QSE_RAD_ATTR_EXTENDED_6
*/
while (rem >= QSE_SIZEOF(*attr))
{
/* sanity checks */
if (rem < attr->length) return QSE_NULL;
/* attribute length cannot be less than the header size.
* the packet could be corrupted... */
if (attr->length < QSE_SIZEOF(*attr)) goto oops;
rem -= attr->length;
if (attr->type == xtype)
{
qse_uint8_t xattrtype;
if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
qse_rad_lxattr_hdr_t* lxattr;
lxattr = (qse_rad_lxattr_hdr_t*)attr;
if (lxattr->length < QSE_SIZEOF(*lxattr)) goto oops;
xattrtype = lxattr->xtype;
}
else
{
qse_rad_xattr_hdr_t* xattr;
xattr = (qse_rad_xattr_hdr_t*)attr;
if (xattr->length < QSE_SIZEOF(*xattr)) goto oops;
xattrtype = xattr->xtype;
}
if (xattrtype == attrtype)
{
*len = rem;
return attr;
}
attr = (qse_rad_attr_hdr_t*) ((char*) attr + attr->length);
}
return NULL;
attr = (qse_rad_attr_hdr_t*)((qse_uint8_t*)attr + attr->length);
}
qse_rad_attr_hdr_t* qse_rad_find_attribute (qse_rad_hdr_t* hdr, qse_uint8_t attrid, int index)
oops:
return QSE_NULL;
}
qse_rad_attr_hdr_t* qse_rad_find_attribute (qse_rad_hdr_t* hdr, qse_uint8_t attrtype, int index)
{
qse_rad_attr_hdr_t *attr = (qse_rad_attr_hdr_t*)(hdr+1);
if (qse_ntoh16(hdr->length) >= QSE_SIZEOF(*hdr))
{
int len = qse_ntoh16(hdr->length) - QSE_SIZEOF(*hdr);
attr = find_attribute (attr, &len, attrid);
attr = find_attribute(attr, &len, attrtype);
while (attr)
{
if (index <= 0) return attr;
index--;
attr = find_attribute ((qse_rad_attr_hdr_t*)((char*)attr+attr->length), &len, attrid);
attr = find_attribute((qse_rad_attr_hdr_t*)((qse_uint8_t*)attr+attr->length), &len, attrtype);
}
}
return NULL;
return QSE_NULL;
}
qse_rad_attr_hdr_t* qse_rad_find_vendor_specific_attribute (qse_rad_hdr_t* hdr, qse_uint32_t vendor, qse_uint8_t attrid, int index)
qse_rad_attr_hdr_t* qse_rad_find_extended_attribute (qse_rad_hdr_t* hdr, qse_uint8_t xtype, qse_uint8_t attrtype, int index)
{
qse_rad_attr_hdr_t *attr = (qse_rad_attr_hdr_t*)(hdr + 1);
if (QSE_RAD_ATTR_IS_EXTENDED(xtype) && qse_ntoh16(hdr->length) >= QSE_SIZEOF(*hdr))
{
int len = qse_ntoh16(hdr->length) - QSE_SIZEOF(*hdr);
attr = find_extended_attribute(attr, &len, xtype, attrtype);
while (attr)
{
if (index <= 0) return attr;
index--;
attr = find_extended_attribute((qse_rad_attr_hdr_t*)((qse_uint8_t*)attr + attr->length), &len, xtype, attrtype);
}
}
return QSE_NULL;
}
qse_rad_vsattr_hdr_t* qse_rad_find_vsattr (qse_rad_hdr_t* hdr, qse_uint32_t vendor, qse_uint8_t attrtype, int index)
{
qse_rad_attr_hdr_t *attr = (qse_rad_attr_hdr_t*)(hdr+1);
if (qse_ntoh16(hdr->length) >= QSE_SIZEOF(*hdr))
{
int len = qse_ntoh16(hdr->length) - QSE_SIZEOF(*hdr);
attr = find_attribute(attr, &len, QSE_RAD_ATTR_VENDOR_SPECIFIC);
@ -146,27 +228,95 @@ qse_rad_attr_hdr_t* qse_rad_find_vendor_specific_attribute (qse_rad_hdr_t* hdr,
{
vsattr = (qse_rad_vsattr_hdr_t*)attr;
if (qse_ntoh32(vsattr->vendor) == vendor)
if (qse_ntoh32(vsattr->vendor) == vendor && vsattr->vs.type == attrtype)
{
qse_rad_attr_hdr_t* subattr;
int sublen = vsattr->length - QSE_SIZEOF(*vsattr);
int val_len;
if (sublen >= QSE_SIZEOF(*subattr)) /* sanity check */
val_len = (int)vsattr->length - QSE_SIZEOF(*vsattr);
if ((int)vsattr->vs.length == val_len + QSE_SIZEOF(vsattr->vs))
{
subattr = (qse_rad_attr_hdr_t*)(vsattr + 1);
if (subattr->id == attrid && subattr->length == sublen)
if (index <= 0) return vsattr;
index--;
}
}
}
attr = find_attribute((qse_rad_attr_hdr_t*)((qse_uint8_t*)attr + attr->length), &len, QSE_RAD_ATTR_VENDOR_SPECIFIC);
}
}
return QSE_NULL;
}
qse_rad_xvsattr_hdr_t* qse_rad_find_extended_vsattr (qse_rad_hdr_t* hdr, qse_uint32_t vendor, qse_uint8_t xtype, qse_uint8_t attrtype, int index)
{
if (index <= 0) return subattr;
qse_rad_attr_hdr_t *attr = (qse_rad_attr_hdr_t*)(hdr+1);
if (QSE_RAD_ATTR_IS_EXTENDED(xtype) && qse_ntoh16(hdr->length) >= QSE_SIZEOF(*hdr))
{
int len = qse_ntoh16(hdr->length) - QSE_SIZEOF(*hdr);
attr = find_extended_attribute(attr, &len, xtype, QSE_RAD_ATTR_VENDOR_SPECIFIC);
while (attr)
{
if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
qse_rad_lxvsattr_hdr_t* lxvsattr;
if (attr->length >= QSE_SIZEOF(*lxvsattr)) /* sanity check */
{
lxvsattr = (qse_rad_lxvsattr_hdr_t*)attr;
if (qse_ntoh32(lxvsattr->vendor) == vendor && lxvsattr->lxvs.type == attrtype)
{
int val_len;
val_len = (int)lxvsattr->length - QSE_SIZEOF(*lxvsattr);
if ((int)lxvsattr->lxvs.length == val_len + QSE_SIZEOF(lxvsattr->lxvs))
{
/* the caller must check if the extended type is long.
* if long, it must cast back to qse_rad_lxvsattr_hdr_t* */
if (index <= 0) return (qse_rad_xvsattr_hdr_t*)lxvsattr;
index--;
}
}
}
}
else
{
qse_rad_xvsattr_hdr_t* xvsattr;
if (attr->length >= QSE_SIZEOF(*xvsattr)) /* sanity check */
{
xvsattr = (qse_rad_xvsattr_hdr_t*)attr;
if (qse_ntoh32(xvsattr->vendor) == vendor && xvsattr->xvs.type == attrtype)
{
int val_len;
val_len = (int)xvsattr->length - QSE_SIZEOF(*xvsattr);
if ((int)xvsattr->xvs.length == val_len + QSE_SIZEOF(xvsattr->xvs))
{
if (index <= 0) return xvsattr;
index--;
}
}
}
}
attr = find_attribute ((qse_rad_attr_hdr_t*)((char*)attr+attr->length), &len, QSE_RAD_ATTR_VENDOR_SPECIFIC);
attr = find_extended_attribute((qse_rad_attr_hdr_t*)((qse_uint8_t*)attr + attr->length), &len, xtype, QSE_RAD_ATTR_VENDOR_SPECIFIC);
}
}
return NULL;
return QSE_NULL;
}
qse_rad_attr_hdr_t* qse_rad_find_vendor_specific_attribute (qse_rad_hdr_t* hdr, qse_uint32_t vendor, qse_uint8_t attrtype, int index)
{
qse_rad_vsattr_hdr_t* vsattr;
vsattr = qse_rad_find_vsattr(hdr, vendor, attrtype, index);
return vsattr? &vsattr->vs: QSE_NULL;
}
int qse_rad_walk_attributes (const qse_rad_hdr_t* hdr, qse_rad_attr_walker_t walker, void* ctx)
@ -192,33 +342,30 @@ int qse_rad_walk_attributes (const qse_rad_hdr_t* hdr, qse_rad_attr_walker_t wal
rem -= attr->length;
if (attr->id == QSE_RAD_ATTR_VENDOR_SPECIFIC)
if (attr->type == QSE_RAD_ATTR_VENDOR_SPECIFIC)
{
qse_rad_vsattr_hdr_t* vsattr;
qse_rad_attr_hdr_t* subattr;
int sublen;
int val_len;
if (attr->length < QSE_SIZEOF(*vsattr)) return -1;
vsattr = (qse_rad_vsattr_hdr_t*)attr;
sublen = vsattr->length - QSE_SIZEOF(*vsattr);
if (sublen < QSE_SIZEOF(*subattr)) return -1;
subattr = (qse_rad_attr_hdr_t*)(vsattr + 1);
if (subattr->length != sublen) return -1;
val_len = (int)vsattr->length - QSE_SIZEOF(*vsattr);
if ((int)vsattr->vs.length != val_len + QSE_SIZEOF(vsattr->vs)) return -1;
/* if this vendor happens to be 0, walker can't tell
* if it is vendor specific or not because 0 is passed in
* for non-VSAs. but i don't care. in reality,
* 0 is reserved in IANA enterpirse number assignments.
* (http://www.iana.org/assignments/enterprise-numbers) */
if (walker (hdr, qse_ntoh32(vsattr->vendor), subattr, ctx) <= -1) return -1;
if (walker(hdr, qse_ntoh32(vsattr->vendor), &vsattr->vs, ctx) <= -1) return -1;
}
else
{
if (walker(hdr, 0, attr, ctx) <= -1) return -1;
}
attr = (qse_rad_attr_hdr_t*) ((char*) attr + attr->length);
attr = (qse_rad_attr_hdr_t*)((qse_uint8_t*) attr + attr->length);
}
return 0;
@ -239,8 +386,8 @@ int qse_rad_insert_attribute (
if (new_auth_len > max) return -1;
attr = (qse_rad_attr_hdr_t*) ((char*)auth + auth_len);
attr->id = id;
attr = (qse_rad_attr_hdr_t*)((qse_uint8_t*)auth + auth_len);
attr->type = id;
attr->length = new_auth_len - auth_len;
QSE_MEMCPY (attr + 1, ptr, len);
auth->length = qse_hton16(new_auth_len);
@ -248,36 +395,135 @@ int qse_rad_insert_attribute (
return 0;
}
int qse_rad_insert_vendor_specific_attribute (
qse_rad_hdr_t* auth, int max,
qse_uint32_t vendor, qse_uint8_t attrid, const void* ptr, qse_uint8_t len)
int qse_rad_insert_extended_attribute (
qse_rad_hdr_t* auth, int max, qse_uint8_t xtype,
qse_uint8_t attrtype, const void* ptr, qse_uint8_t len, qse_uint8_t lxflags)
{
qse_rad_vsattr_hdr_t* attr;
qse_rad_attr_hdr_t* subattr;
qse_rad_xattr_hdr_t* xattr;
int auth_len = qse_ntoh16(auth->length);
int new_auth_len;
int new_auth_len, maxvallen, hdrlen;
if (QSE_RAD_ATTR_IS_SHORT_EXTENDED(xtype))
{
maxvallen = QSE_RAD_MAX_XATTR_VALUE_LEN;
hdrlen = QSE_SIZEOF(qse_rad_xattr_hdr_t);
}
else if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
maxvallen = QSE_RAD_MAX_LXATTR_VALUE_LEN;
hdrlen = QSE_SIZEOF(qse_rad_lxattr_hdr_t);
}
else return -1;
/*if (len > QSE_RAD_MAX_VSATTR_VALUE_LEN) return -1;*/
if (len > QSE_RAD_MAX_VSATTR_VALUE_LEN) len = QSE_RAD_MAX_VSATTR_VALUE_LEN;
new_auth_len = auth_len + len + QSE_SIZEOF(*attr) + QSE_SIZEOF(*subattr);
/*if (len > maxvallen) return -1;*/
if (len > maxvallen) len = maxvallen;
new_auth_len = auth_len + hdrlen + len;
if (new_auth_len > max) return -1;
attr = (qse_rad_vsattr_hdr_t*) ((char*)auth + auth_len);
attr->id = QSE_RAD_ATTR_VENDOR_SPECIFIC;
attr->length = new_auth_len - auth_len;
attr->vendor = qse_hton32 (vendor);
xattr = (qse_rad_xattr_hdr_t*)((qse_uint8_t*)auth + auth_len);
xattr->type = xtype;
xattr->length = new_auth_len - auth_len;
if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
qse_rad_lxattr_hdr_t* lxattr;
lxattr = (qse_rad_lxattr_hdr_t*)xattr;
lxattr->xtype = attrtype;
lxattr->xflags = lxflags;
QSE_MEMCPY (lxattr + 1, ptr, len);
}
else
{
xattr->xtype = attrtype;
QSE_MEMCPY (xattr + 1, ptr, len);
}
auth->length = qse_hton16(new_auth_len);
subattr = (qse_rad_attr_hdr_t*)(attr + 1);
subattr->id = attrid;
subattr->length = len + QSE_SIZEOF(*subattr);
QSE_MEMCPY (subattr + 1, ptr, len);
return 0;
}
int qse_rad_insert_vendor_specific_attribute (
qse_rad_hdr_t* auth, int max,
qse_uint32_t vendor, qse_uint8_t attrtype, const void* ptr, qse_uint8_t len)
{
qse_rad_vsattr_hdr_t* vsattr;
int auth_len = qse_ntoh16(auth->length);
int new_auth_len;
/*if (len > QSE_RAD_MAX_VSATTR_VALUE_LEN) return -1;*/
if (len > QSE_RAD_MAX_VSATTR_VALUE_LEN) len = QSE_RAD_MAX_VSATTR_VALUE_LEN;
new_auth_len = auth_len + QSE_SIZEOF(*vsattr) + len;
if (new_auth_len > max) return -1;
vsattr = (qse_rad_vsattr_hdr_t*)((qse_uint8_t*)auth + auth_len);
vsattr->type = QSE_RAD_ATTR_VENDOR_SPECIFIC;
vsattr->length = new_auth_len - auth_len;
vsattr->vendor = qse_hton32(vendor);
vsattr->vs.type = attrtype;
vsattr->vs.length = QSE_SIZEOF(vsattr->vs) + len;
QSE_MEMCPY (vsattr + 1, ptr, len);
auth->length = qse_hton16(new_auth_len);
return 0;
}
int qse_rad_insert_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth, int max, qse_uint32_t vendor, qse_uint8_t xtype,
qse_uint8_t attrtype, const void* ptr, qse_uint8_t len, qse_uint8_t lxflags)
{
/* RFC6929 */
qse_rad_xvsattr_hdr_t* xvsattr;
int auth_len = qse_ntoh16(auth->length);
int new_auth_len, maxvallen, hdrlen;
if (QSE_RAD_ATTR_IS_SHORT_EXTENDED(xtype))
{
maxvallen = QSE_RAD_MAX_XVSATTR_VALUE_LEN;
hdrlen = QSE_SIZEOF(qse_rad_xvsattr_hdr_t);
}
else if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
maxvallen = QSE_RAD_MAX_LXVSATTR_VALUE_LEN;
hdrlen = QSE_SIZEOF(qse_rad_lxvsattr_hdr_t);
}
else return -1;
/*if (len > maxvallen) return -1;*/
if (len > maxvallen) len = QSE_RAD_MAX_XVSATTR_VALUE_LEN;
new_auth_len = auth_len + hdrlen + len;
if (new_auth_len > max) return -1;
xvsattr = (qse_rad_xvsattr_hdr_t*)((qse_uint8_t*)auth + auth_len);
xvsattr->type = xtype;
xvsattr->length = new_auth_len - auth_len;
xvsattr->xtype = QSE_RAD_ATTR_VENDOR_SPECIFIC;
xvsattr->vendor = qse_hton32(vendor);
if (QSE_RAD_ATTR_IS_LONG_EXTENDED(xtype))
{
/* this function is still low-level. it doesn't handle continuation of big data */
qse_rad_lxvsattr_hdr_t* lxvsattr;
lxvsattr = (qse_rad_lxvsattr_hdr_t*)xvsattr;
lxvsattr->lxvs.type = attrtype;
lxvsattr->lxvs.flags = lxflags;
lxvsattr->lxvs.length = len + QSE_SIZEOF(lxvsattr->lxvs);
QSE_MEMCPY (lxvsattr + 1, ptr, len);
}
else
{
xvsattr->xvs.type = attrtype;
xvsattr->xvs.length = len + QSE_SIZEOF(xvsattr->xvs);
QSE_MEMCPY (xvsattr + 1, ptr, len);
}
auth->length = qse_hton16(new_auth_len);
return 0;
}
static int delete_attribute (qse_rad_hdr_t* auth, qse_rad_attr_hdr_t* attr)
{
qse_uint16_t auth_len;
@ -294,28 +540,36 @@ static int delete_attribute (qse_rad_hdr_t* auth, qse_rad_attr_hdr_t* attr)
return 0;
}
int qse_rad_delete_attribute (qse_rad_hdr_t* auth, qse_uint8_t attrid)
int qse_rad_delete_attribute (qse_rad_hdr_t* auth, qse_uint8_t attrtype, int index)
{
qse_rad_attr_hdr_t* attr;
attr = qse_rad_find_attribute (auth, attrid, 0);
if (attr == NULL) return 0; /* not found */
attr = qse_rad_find_attribute(auth, attrtype, index);
if (!attr) return 0; /* not found */
return (delete_attribute(auth, attr) <= -1)? -1: 1;
}
int qse_rad_delete_vendor_specific_attribute (
qse_rad_hdr_t* auth, qse_uint32_t vendor, qse_uint8_t attrid)
qse_rad_hdr_t* auth, qse_uint32_t vendor, qse_uint8_t attrtype, int index)
{
qse_rad_attr_hdr_t* attr;
qse_rad_vsattr_hdr_t* vsattr;
attr = qse_rad_find_vendor_specific_attribute (auth, vendor, attrid, 0);
if (attr == NULL) return 0; /* not found */
vsattr = (qse_rad_vsattr_hdr_t*)((qse_uint8_t*)attr - QSE_SIZEOF(qse_rad_vsattr_hdr_t));
vsattr = qse_rad_find_vsattr(auth, vendor, attrtype, 0);
if (!vsattr) return 0; /* not found */
return (delete_attribute(auth, (qse_rad_attr_hdr_t*)vsattr) <= -1)? -1: 1;
}
int qse_rad_delete_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth, qse_uint32_t vendor, qse_uint8_t xtype, qse_uint8_t attrtype, int index)
{
qse_rad_xvsattr_hdr_t* xvsattr;
xvsattr = qse_rad_find_extended_vsattr(auth, vendor, xtype, attrtype, 0);
if (!xvsattr) return 0; /* not found */
return (delete_attribute(auth, (qse_rad_attr_hdr_t*)xvsattr) <= -1)? -1: 1;
}
int qse_rad_insert_string_attribute (
qse_rad_hdr_t* auth, int max, qse_uint32_t vendor,
qse_uint8_t id, const qse_mchar_t* value)
@ -458,41 +712,6 @@ int qse_rad_insert_giga_attribute (
return 0;
}
int qse_rad_insert_extended_vendor_specific_attribute (
qse_rad_hdr_t* auth, int max, qse_uint8_t base, qse_uint32_t vendor,
qse_uint8_t attrid, const void* ptr, qse_uint8_t len)
{
/* RFC6929 */
qse_rad_extvsattr_hdr_t* attr;
int auth_len = qse_ntoh16(auth->length);
int new_auth_len;
if (base < 241 && base > 244) return -1;
/* TODO: for 245 and 246, switch to long-extended format */
/*if (len > QSE_RAD_MAX_EXTVSATTR_VALUE_LEN) return -1;*/
if (len > QSE_RAD_MAX_EXTVSATTR_VALUE_LEN) len = QSE_RAD_MAX_EXTVSATTR_VALUE_LEN;
new_auth_len = auth_len + len + QSE_SIZEOF(*attr);
if (new_auth_len > max) return -1;
attr = (qse_rad_extvsattr_hdr_t*) ((char*)auth + auth_len);
attr->id = base;
attr->length = new_auth_len - auth_len;
attr->xid = QSE_RAD_ATTR_VENDOR_SPECIFIC;
attr->vendor = qse_hton32(vendor);
attr->evsid = attrid;
/* no special header for the evs-value */
QSE_MEMCPY (attr + 1, ptr, len);
auth->length = qse_hton16(new_auth_len);
return 0;
}
#define PASS_BLKSIZE QSE_RAD_MAX_AUTHENTICATOR_LEN
#define ALIGN(x,factor) ((((x) + (factor) - 1) / (factor)) * (factor))
@ -550,7 +769,13 @@ int qse_rad_set_user_password (qse_rad_hdr_t* auth, int max, const qse_mchar_t*
}
/* ok if not found or deleted. but not ok if an error occurred */
if (qse_rad_delete_attribute (auth, QSE_RAD_ATTR_USER_PASSWORD) <= -1) goto oops;
while (1)
{
int n;
n = qse_rad_delete_attribute(auth, QSE_RAD_ATTR_USER_PASSWORD, 0);
if (n <= -1) goto oops;
if (n == 0) break;
}
if (qse_rad_insert_attribute(auth, max, QSE_RAD_ATTR_USER_PASSWORD, hashed, padlen) <= -1) goto oops;
return 0;