📄 nopsession.c
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#include <u.h>#include <libc.h>#include <auth.h>#include <fcall.h>#include "../boot/boot.h"static Fcall hdr;static voidrpc(int fd, int type){ int n, l; char buf[128], *p; hdr.type = type; hdr.tag = NOTAG; n = convS2M(&hdr, buf); if(write(fd, buf, n) != n) fatal("write rpc"); print("..."); p = buf; l = 0; while(l < 3) { n = read(fd, p, 3); if(n <= 0) fatal("read rpc"); if(n == 2 && l == 0 && buf[0] == 'O' && buf[1] == 'K') continue; p += n; l += n; } if(convM2S(buf, &hdr, n) == 0){ print("%ux %ux %ux\n", buf[0], buf[1], buf[2]); fatal("rpc format"); } if(hdr.tag != NOTAG) fatal("rpc tag not NOTAG"); if(hdr.type == Rerror){ print("error %s;", hdr.ename); fatal("remote error"); } if(hdr.type != type+1) fatal("not reply");}voidnop(int fd){ print("nop"); rpc(fd, Tnop);}
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