84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
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/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <libc.h>
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#include <auth.h>
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#include <fcall.h>
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#include "../boot/boot.h"
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char *authaddr;
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static void glenda(void);
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void
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authentication(int cpuflag)
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{
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char *argv[16], **av;
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int ac;
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if(access(factotumPath, AEXEC) < 0 || getenv("user") != nil){
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glenda();
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return;
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}
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/* start agent */
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ac = 0;
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av = argv;
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av[ac++] = "factotum";
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if(getenv("debugfactotum"))
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av[ac++] = "-p";
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// av[ac++] = "-d"; /* debug traces */
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// av[ac++] = "-D"; /* 9p messages */
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if(cpuflag)
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av[ac++] = "-S";
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else
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av[ac++] = "-u";
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av[ac++] = "-sfactotum";
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if(authaddr != nil){
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av[ac++] = "-a";
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av[ac++] = authaddr;
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}
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av[ac] = 0;
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switch(fork()){
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case -1:
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fatal("starting factotum");
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case 0:
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exec(factotumPath, (const char**)av);
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fatal("execing factotum");
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default:
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break;
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}
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/* wait for agent to really be there */
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while(access("/mnt/factotum", 0) < 0)
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sleep(250);
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if(cpuflag)
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return;
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}
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static void
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glenda(void)
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{
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int fd;
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char *s;
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s = getenv("user");
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if(s == nil)
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s = "glenda";
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fd = open("#c/hostowner", OWRITE);
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if(fd >= 0){
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if(write(fd, s, strlen(s)) != strlen(s))
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fprint(2, "setting #c/hostowner to %s: %r\n", s);
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close(fd);
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}
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fprint(2, "Set hostowner to %s\n", s);
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}
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