authunix.c (1477B)
1 #include <u.h> 2 #include <libc.h> 3 #include <thread.h> 4 #include <sunrpc.h> 5 6 uint 7 sunauthunixsize(SunAuthUnix *x) 8 { 9 return 4 + sunstringsize(x->sysname) + 4 + 4 + 4 + 4*x->ng; 10 } 11 int 12 sunauthunixunpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x) 13 { 14 int i; 15 16 if(sunuint32unpack(a, ea, &a, &x->stamp) < 0) goto Err; 17 if(sunstringunpack(a, ea, &a, &x->sysname, 256) < 0) goto Err; 18 if(sunuint32unpack(a, ea, &a, &x->uid) < 0) goto Err; 19 if(sunuint32unpack(a, ea, &a, &x->gid) < 0) goto Err; 20 if(sunuint32unpack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err; 21 for(i=0; i<x->ng; i++) 22 if(sunuint32unpack(a, ea, &a, &x->g[i]) < 0) goto Err; 23 24 *pa = a; 25 return 0; 26 27 Err: 28 *pa = ea; 29 return -1; 30 } 31 int 32 sunauthunixpack(uchar *a, uchar *ea, uchar **pa, SunAuthUnix *x) 33 { 34 int i; 35 36 if(sunuint32pack(a, ea, &a, &x->stamp) < 0) goto Err; 37 if(sunstringpack(a, ea, &a, &x->sysname, 256) < 0) goto Err; 38 if(sunuint32pack(a, ea, &a, &x->uid) < 0) goto Err; 39 if(sunuint32pack(a, ea, &a, &x->gid) < 0) goto Err; 40 if(sunuint32pack(a, ea, &a, &x->ng) < 0 || x->ng > nelem(x->g)) goto Err; 41 for(i=0; i<x->ng; i++) 42 if(sunuint32pack(a, ea, &a, &x->g[i]) < 0) goto Err; 43 44 *pa = a; 45 return 0; 46 47 Err: 48 *pa = ea; 49 return -1; 50 } 51 void 52 sunauthunixprint(Fmt *fmt, SunAuthUnix *x) 53 { 54 int i; 55 fmtprint(fmt, "unix %.8lux %s %lud %lud (", (ulong)x->stamp, 56 x->sysname, (ulong)x->uid, (ulong)x->gid); 57 for(i=0; i<x->ng; i++) 58 fmtprint(fmt, "%s%lud", i ? " ":"", (ulong)x->g[i]); 59 fmtprint(fmt, ")"); 60 }