Add TAG_VENDOR_INDENTIFIER (option 60) to our DHCP request done by the
kernel BOOTP option. The format will be: FreeBSD:<MACHINE>:<osrelease> this way people can tune their DHCP server to server up root file systems via the OS, machine type and version. Obtained from: NetBSD MFC after: 3 weeks
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c6b12feb29
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=96825
@ -205,6 +205,8 @@ struct bootpc_globalcontext {
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#define TAG_DHCP_SERVERID 54
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#define TAG_DHCP_LEASETIME 51
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#define TAG_VENDOR_INDENTIFIER 60
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#define DHCP_NOMSG 0
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#define DHCP_DISCOVER 1
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#define DHCP_OFFER 2
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@ -1309,7 +1311,9 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
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struct bootpc_globalcontext *gctx, struct thread *td)
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{
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unsigned char *vendp;
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unsigned char vendor_client[64];
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uint32_t leasetime;
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uint8_t vendor_client_len;
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ifctx->gotrootpath = 0;
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@ -1334,6 +1338,14 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
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*vendp++ = 2;
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*vendp++ = (sizeof(struct bootp_packet) >> 8) & 255;
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*vendp++ = sizeof(struct bootp_packet) & 255;
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snprintf(vendor_client, sizeof(vendor_client), "%s:%s:%s",
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ostype, MACHINE, osrelease);
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vendor_client_len = strlen(vendor_client);
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*vendp++ = TAG_VENDOR_INDENTIFIER;
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*vendp++ = vendor_client_len;
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memcpy(vendp, vendor_client, vendor_client_len);
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vendp += vendor_client_len;;
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ifctx->dhcpquerytype = DHCP_NOMSG;
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switch (ifctx->state) {
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case IF_DHCP_UNRESOLVED:
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