52 lines
865 B
C
52 lines
865 B
C
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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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int
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auth_getkey(char *params)
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{
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char *name;
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Dir *d;
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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 = "/factotum";
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d = dirstat(name);
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if(d == nil){
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name = "/boot/factotum";
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d = dirstat(name);
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}
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if(d == nil){
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werrstr("auth_getkey: no /factotum or /boot/factotum: didn't get key %s", params);
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return -1;
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}
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if(0) if(d->type != '/'){
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werrstr("auth_getkey: /factotum may be bad: 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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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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