ref: 4821c261c4cea895ddcbd7c70bc71103c9a2763b
dir: /sys/src/libsunrpc/authunix.c/
#include <u.h> #include <libc.h> #include <thread.h> #include <sunrpc.h> uint sunAuthUnixSize(SunAuthUnix *x) { return 4 + sunStringSize(x->sysname) + 4 + 4 + 4 + 4*x->ng; } int sunAuthUnixUnpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x) { int i; if(sunUint32Unpack(a, ea, &a, &x->stamp) < 0) goto Err; if(sunStringUnpack(a, ea, &a, &x->sysname, 256) < 0) goto Err; if(sunUint32Unpack(a, ea, &a, &x->uid) < 0) goto Err; if(sunUint32Unpack(a, ea, &a, &x->gid) < 0) goto Err; if(sunUint32Unpack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err; for(i=0; i<x->ng; i++) if(sunUint32Unpack(a, ea, &a, &x->g[i]) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int sunAuthUnixPack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x) { int i; if(sunUint32Pack(a, ea, &a, &x->stamp) < 0) goto Err; if(sunStringPack(a, ea, &a, &x->sysname, 256) < 0) goto Err; if(sunUint32Pack(a, ea, &a, &x->uid) < 0) goto Err; if(sunUint32Pack(a, ea, &a, &x->gid) < 0) goto Err; if(sunUint32Pack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err; for(i=0; i<x->ng; i++) if(sunUint32Pack(a, ea, &a, &x->g[i]) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } void sunAuthUnixPrint(Fmt *fmt, SunAuthUnix *x) { int i; fmtprint(fmt, "unix %.8lux %s %lud %lud (", (ulong)x->stamp, x->sysname, (ulong)x->uid, (ulong)x->gid); for(i=0; i<x->ng; i++) fmtprint(fmt, "%s%lud", i ? " ":"", (ulong)x->g[i]); fmtprint(fmt, ")"); }