Pass a "FREEBSD" user-class in PXE dhcp request
rfc3004 allows to pass multiple user classes on dhcp requests this is used by dhcp servers to differentiate the caller if needed. As an example with isc dhcp server it will be possible to make options only for the FreeBSD loaders: if exists user-class and option user-class = "FREEBSD" { option root-path "tftp://192.168.42.1/FreeBSD; } Reviewed by: tsoome Differential Revision: https://reviews.freebsd.org/D10951
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=318982
@ -146,16 +146,20 @@ bootp(int sock, int flag)
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bp->bp_vend[7] = TAG_CLASSID;
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bp->bp_vend[8] = 9;
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bcopy("PXEClient", &bp->bp_vend[9], 9);
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bp->bp_vend[18] = TAG_PARAM_REQ;
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bp->bp_vend[19] = 7;
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bp->bp_vend[20] = TAG_ROOTPATH;
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bp->bp_vend[21] = TAG_HOSTNAME;
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bp->bp_vend[22] = TAG_SWAPSERVER;
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bp->bp_vend[23] = TAG_GATEWAY;
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bp->bp_vend[24] = TAG_SUBNET_MASK;
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bp->bp_vend[25] = TAG_INTF_MTU;
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bp->bp_vend[26] = TAG_SERVERID;
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bp->bp_vend[27] = TAG_END;
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bp->bp_vend[18] = TAG_USER_CLASS;
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bp->bp_vend[19] = 8;
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bp->bp_vend[20] = 7;
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bcopy("FREEBSD", &bp->bp_vend[21], 7);
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bp->bp_vend[28] = TAG_PARAM_REQ;
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bp->bp_vend[29] = 7;
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bp->bp_vend[30] = TAG_ROOTPATH;
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bp->bp_vend[31] = TAG_HOSTNAME;
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bp->bp_vend[32] = TAG_SWAPSERVER;
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bp->bp_vend[33] = TAG_GATEWAY;
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bp->bp_vend[34] = TAG_SUBNET_MASK;
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bp->bp_vend[35] = TAG_INTF_MTU;
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bp->bp_vend[36] = TAG_SERVERID;
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bp->bp_vend[37] = TAG_END;
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} else
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bp->bp_vend[7] = TAG_END;
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#else
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@ -108,6 +108,7 @@ struct bootp {
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#define TAG_T2 ((unsigned char) 59)
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#define TAG_CLASSID ((unsigned char) 60)
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#define TAG_CLIENTID ((unsigned char) 61)
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#define TAG_USER_CLASS ((unsigned char) 77)
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#endif
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#define TAG_END ((unsigned char) 255)
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