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42 lines
704 B
C
42 lines
704 B
C
#include <u.h>
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#include <libc.h>
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#include <auth.h>
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int
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auth_getkey(char *params)
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{
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char *name;
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int pid;
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Waitmsg *w;
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/* start /factotum to query for a key */
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name = unsharp("#9/bin/factotum");
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if(name == nil || access(name, AEXEC) < 0){
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werrstr("auth_getkey: no $PLAN9/bin/factotum: didn't get key %s", params);
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return -1;
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}
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switch(pid = fork()){
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case -1:
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werrstr("can't fork for %s: %r", name);
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return -1;
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case 0:
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execl(name, "getkey", "-g", params, nil);
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exits(0);
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default:
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free(name);
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for(;;){
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w = wait();
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if(w == nil)
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break;
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if(w->pid == pid){
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if(w->msg[0] != '\0'){
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free(w);
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return -1;
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}
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free(w);
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return 0;
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}
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}
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}
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return 0;
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}
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