wpa: fix error reporting for getptk(), use readn() to read ifstats file
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a3b35c224b
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@ -130,7 +130,7 @@ getifstats(char *key, char *val, int nval)
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snprint(buf, sizeof(buf), "%s/ifstats", devdir);
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if((fd = open(buf, OREAD)) < 0)
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return nil;
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n = read(fd, buf, sizeof(buf)-1);
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n = readn(fd, buf, sizeof(buf)-1);
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close(fd);
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if(n <= 0)
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return nil;
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@ -330,8 +330,10 @@ getptk( uchar smac[Eaddrlen], uchar amac[Eaddrlen],
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goto out;
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if((ret = auth_rpc(rpc, "read", nil, 0)) != ARok)
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goto out;
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if(rpc->narg != PTKlen)
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if(rpc->narg != PTKlen){
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ret = -1;
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goto out;
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}
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memmove(ptk, rpc->arg, PTKlen);
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ret = 0;
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out:
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@ -698,9 +700,9 @@ main(int argc, char *argv[])
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memmove(anonce, kd->nonce, sizeof(anonce));
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genrandom(snonce, sizeof(snonce));
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if(getptk(smac, amac, snonce, anonce, ptk) < 0){
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if(getptk(smac, amac, snonce, anonce, ptk) != 0){
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if(debug != 0)
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fprint(2, "getptk: %r");
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fprint(2, "getptk: %r\n");
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continue;
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}
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