ref: dc0f1ae1028206a548cc5fad15631d79c212e48a
dir: /sys/src/libsunrpc/mount3.c/
/* * SUN NFSv3 Mounter. See RFC 1813 */ #include <u.h> #include <libc.h> #include <thread.h> #include <sunrpc.h> #include <nfs3.h> void nfsMount3TNullPrint(Fmt *fmt, NfsMount3TNull *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3TNull"); } uint nfsMount3TNullSize(NfsMount3TNull *x) { uint a; USED(x); a = 0; return a; } int nfsMount3TNullPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TNull *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3TNullUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TNull *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3RNullPrint(Fmt *fmt, NfsMount3RNull *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3RNull"); } uint nfsMount3RNullSize(NfsMount3RNull *x) { uint a; USED(x); a = 0; return a; } int nfsMount3RNullPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RNull *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3RNullUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RNull *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3TMntPrint(Fmt *fmt, NfsMount3TMnt *x) { fmtprint(fmt, "%s\n", "NfsMount3TMnt"); fmtprint(fmt, "\t%s=", "path"); fmtprint(fmt, "\"%s\"", x->path); fmtprint(fmt, "\n"); } uint nfsMount3TMntSize(NfsMount3TMnt *x) { uint a; USED(x); a = 0 + sunStringSize(x->path); return a; } int nfsMount3TMntPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TMnt *x) { if(sunStringPack(a, ea, &a, &x->path, 1024) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3TMntUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TMnt *x) { if(sunStringUnpack(a, ea, &a, &x->path, 1024) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } void nfsMount3RMntPrint(Fmt *fmt, NfsMount3RMnt *x) { fmtprint(fmt, "%s\n", "NfsMount3RMnt"); fmtprint(fmt, "\t%s=", "status"); fmtprint(fmt, "%ud", x->status); fmtprint(fmt, "\n"); switch(x->status){ case 0: fmtprint(fmt, "\t%s=", "handle"); fmtprint(fmt, "%.*H", x->len, x->handle); fmtprint(fmt, "\n"); break; } } uint nfsMount3RMntSize(NfsMount3RMnt *x) { uint a; USED(x); a = 0 + 4; switch(x->status){ case 0: a = a + sunVarOpaqueSize(x->len); a = a + 4 + 4 * x->nauth; break; } a = a; return a; } uint nfsMount1RMntSize(NfsMount3RMnt *x) { uint a; USED(x); a = 0 + 4; switch(x->status){ case 0: a = a + NfsMount1HandleSize; break; } return a; } int nfsMount3RMntPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RMnt *x) { int i; if(sunUint32Pack(a, ea, &a, &x->status) < 0) goto Err; switch(x->status){ case 0: if(sunVarOpaquePack(a, ea, &a, &x->handle, &x->len, NfsMount3MaxHandleSize) < 0) goto Err; if(sunUint32Pack(a, ea, &a, &x->nauth) < 0) goto Err; for(i=0; i<x->nauth; i++) if(sunUint32Pack(a, ea, &a, &x->auth[i]) < 0) goto Err; break; } *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount1RMntPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RMnt *x) { if(sunUint32Pack(a, ea, &a, &x->status) < 0) goto Err; switch(x->status){ case 0: if(x->len != NfsMount1HandleSize) goto Err; if(sunFixedOpaquePack(a, ea, &a, x->handle, NfsMount1HandleSize) < 0) goto Err; if(x->nauth != 0) goto Err; break; } *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount1RMntUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RMnt *x) { if(sunUint32Unpack(a, ea, &a, &x->status) < 0) goto Err; switch(x->status){ case 0: x->len = NfsMount1HandleSize; x->nauth = 0; x->auth = 0; if(sunFixedOpaqueUnpack(a, ea, &a, x->handle, NfsMount1HandleSize) < 0) goto Err; if(x->nauth != 0) goto Err; break; } *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3RMntUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RMnt *x) { int i; if(sunUint32Unpack(a, ea, &a, &x->status) < 0) goto Err; switch(x->status){ case 0: if(sunVarOpaqueUnpack(a, ea, &a, &x->handle, &x->len, NfsMount3MaxHandleSize) < 0) goto Err; if(sunUint32Unpack(a, ea, &a, &x->nauth) < 0) goto Err; x->auth = (u32int*)a; for(i=0; i<x->nauth; i++) if(sunUint32Unpack(a, ea, &a, &x->auth[i]) < 0) goto Err; break; } *pa = a; return 0; Err: *pa = ea; return -1; } void nfsMount3TDumpPrint(Fmt *fmt, NfsMount3TDump *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3TDump"); } uint nfsMount3TDumpSize(NfsMount3TDump *x) { uint a; USED(x); a = 0; return a; } int nfsMount3TDumpPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TDump *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3TDumpUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TDump *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3EntryPrint(Fmt *fmt, NfsMount3Entry *x) { fmtprint(fmt, "%s\n", "NfsMount3Entry"); fmtprint(fmt, "\t%s=", "host"); fmtprint(fmt, "\"%s\"", x->host); fmtprint(fmt, "\n"); fmtprint(fmt, "\t%s=", "path"); fmtprint(fmt, "\"%s\"", x->path); fmtprint(fmt, "\n"); } uint nfsMount3EntrySize(NfsMount3Entry *x) { uint a; USED(x); a = 0 + sunStringSize(x->host) + sunStringSize(x->path); return a; } int nfsMount3EntryPack(uchar *a, uchar *ea, uchar **pa, NfsMount3Entry *x) { u1int one; one = 1; if(sunUint1Pack(a, ea, &a, &one) < 0) goto Err; if(sunStringPack(a, ea, &a, &x->host, 255) < 0) goto Err; if(sunStringPack(a, ea, &a, &x->path, 1024) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3EntryUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3Entry *x) { u1int one; if(sunUint1Unpack(a, ea, &a, &one) < 0 || one != 1) goto Err; if(sunStringUnpack(a, ea, &a, &x->host, NfsMount3MaxNameSize) < 0) goto Err; if(sunStringUnpack(a, ea, &a, &x->path, NfsMount3MaxPathSize) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } void nfsMount3RDumpPrint(Fmt *fmt, NfsMount3RDump *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3RDump"); } uint nfsMount3RDumpSize(NfsMount3RDump *x) { uint a; USED(x); a = 0; a += x->count; a += 4; return a; } int nfsMount3RDumpPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RDump *x) { u1int zero; zero = 0; if(a+x->count > ea) goto Err; memmove(a, x->data, x->count); a += x->count; if(sunUint1Pack(a, ea, &a, &zero) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3RDumpUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RDump *x) { int i; uchar *oa; u1int u1; u32int u32; oa = a; for(i=0;; i++){ if(sunUint1Unpack(a, ea, &a, &u1) < 0) goto Err; if(u1 == 0) break; if(sunUint32Unpack(a, ea, &a, &u32) < 0 || u32 > NfsMount3MaxNameSize || (a+=u32) >= ea || sunUint32Unpack(a, ea, &a, &u32) < 0 || u32 > NfsMount3MaxPathSize || (a+=u32) >= ea) goto Err; } x->count = (a-4) - oa; x->data = oa; *pa = a; return 0; Err: *pa = ea; return -1; } void nfsMount3TUmntPrint(Fmt *fmt, NfsMount3TUmnt *x) { fmtprint(fmt, "%s\n", "NfsMount3TUmnt"); fmtprint(fmt, "\t%s=", "path"); fmtprint(fmt, "\"%s\"", x->path); fmtprint(fmt, "\n"); } uint nfsMount3TUmntSize(NfsMount3TUmnt *x) { uint a; USED(x); a = 0 + sunStringSize(x->path); return a; } int nfsMount3TUmntPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TUmnt *x) { if(sunStringPack(a, ea, &a, &x->path, 1024) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3TUmntUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TUmnt *x) { if(sunStringUnpack(a, ea, &a, &x->path, 1024) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } void nfsMount3RUmntPrint(Fmt *fmt, NfsMount3RUmnt *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3RUmnt"); } uint nfsMount3RUmntSize(NfsMount3RUmnt *x) { uint a; USED(x); a = 0; return a; } int nfsMount3RUmntPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RUmnt *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3RUmntUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RUmnt *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3TUmntallPrint(Fmt *fmt, NfsMount3TUmntall *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3TUmntall"); } uint nfsMount3TUmntallSize(NfsMount3TUmntall *x) { uint a; USED(x); a = 0; return a; } int nfsMount3TUmntallPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TUmntall *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3TUmntallUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TUmntall *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3RUmntallPrint(Fmt *fmt, NfsMount3RUmntall *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3RUmntall"); } uint nfsMount3RUmntallSize(NfsMount3RUmntall *x) { uint a; USED(x); a = 0; return a; } int nfsMount3RUmntallPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RUmntall *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3RUmntallUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RUmntall *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3TExportPrint(Fmt *fmt, NfsMount3TExport *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3TExport"); } uint nfsMount3TExportSize(NfsMount3TExport *x) { uint a; USED(x); a = 0; return a; } int nfsMount3TExportPack(uchar *a, uchar *ea, uchar **pa, NfsMount3TExport *x) { USED(ea); USED(x); *pa = a; return 0; } int nfsMount3TExportUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3TExport *x) { USED(ea); USED(x); *pa = a; return 0; } void nfsMount3RExportPrint(Fmt *fmt, NfsMount3RExport *x) { USED(x); fmtprint(fmt, "%s\n", "NfsMount3RExport"); fmtprint(fmt, "\n"); } uint nfsMount3RExportSize(NfsMount3RExport *x) { uint a; USED(x); a = 0; a += x->count; a += 4; /* end of export list */ return a; } int nfsMount3RExportPack(uchar *a, uchar *ea, uchar **pa, NfsMount3RExport *x) { u1int zero; zero = 0; if(a+x->count > ea) goto Err; memmove(a, x->data, x->count); a += x->count; if(sunUint1Pack(a, ea, &a, &zero) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } int nfsMount3RExportUnpack(uchar *a, uchar *ea, uchar **pa, NfsMount3RExport *x) { int ng, ne; uchar *oa; u1int u1; u32int u32; oa = a; ng = 0; for(ne=0;; ne++){ if(sunUint1Unpack(a, ea, &a, &u1) < 0) goto Err; if(u1 == 0) break; if(sunUint32Unpack(a, ea, &a, &u32) < 0 || (a += (u32+3)&~3) >= ea) goto Err; for(;; ng++){ if(sunUint1Unpack(a, ea, &a, &u1) < 0) goto Err; if(u1 == 0) break; if(sunUint32Unpack(a, ea, &a, &u32) < 0 || (a += (u32+3)&~3) >= ea) goto Err; } } x->data = oa; x->count = (a-4) - oa; *pa = a; return 0; Err: *pa = ea; return -1; } uint nfsMount3ExportGroupSize(uchar *a) { int ng; u1int have; u32int n; a += 4; sunUint32Unpack(a, a+4, &a, &n); a += (n+3)&~3; ng = 0; for(;;){ sunUint1Unpack(a, a+4, &a, &have); if(have == 0) break; ng++; sunUint32Unpack(a, a+4, &a, &n); a += (n+3)&~3; } return ng; } int nfsMount3ExportUnpack(uchar *a, uchar *ea, uchar **pa, char **gp, char ***pgp, NfsMount3Export *x) { int ng; u1int u1; if(sunUint1Unpack(a, ea, &a, &u1) < 0 || u1 != 1) goto Err; if(sunStringUnpack(a, ea, &a, &x->path, NfsMount3MaxPathSize) < 0) goto Err; x->g = gp; ng = 0; for(;;){ if(sunUint1Unpack(a, ea, &a, &u1) < 0) goto Err; if(u1 == 0) break; if(sunStringUnpack(a, ea, &a, &gp[ng++], NfsMount3MaxNameSize) < 0) goto Err; } x->ng = ng; *pgp = gp+ng; *pa = a; return 0; Err: *pa = ea; return -1; } uint nfsMount3ExportSize(NfsMount3Export *x) { int i; uint a; a = 4 + sunStringSize(x->path); for(i=0; i<x->ng; i++) a += 4 + sunStringSize(x->g[i]); a += 4; return a; } int nfsMount3ExportPack(uchar *a, uchar *ea, uchar **pa, NfsMount3Export *x) { int i; u1int u1; u1 = 1; if(sunUint1Pack(a, ea, &a, &u1) < 0) goto Err; if(sunStringPack(a, ea, &a, &x->path, NfsMount3MaxPathSize) < 0) goto Err; for(i=0; i<x->ng; i++){ if(sunUint1Pack(a, ea, &a, &u1) < 0) goto Err; if(sunStringPack(a, ea, &a, &x->g[i], NfsMount3MaxNameSize) < 0) goto Err; } u1 = 0; if(sunUint1Pack(a, ea, &a, &u1) < 0) goto Err; *pa = a; return 0; Err: *pa = ea; return -1; } typedef int (*P)(uchar*, uchar*, uchar**, SunCall*); typedef void (*F)(Fmt*, SunCall*); typedef uint (*S)(SunCall*); static SunProc proc3[] = { (P)nfsMount3TNullPack, (P)nfsMount3TNullUnpack, (S)nfsMount3TNullSize, (F)nfsMount3TNullPrint, sizeof(NfsMount3TNull), (P)nfsMount3RNullPack, (P)nfsMount3RNullUnpack, (S)nfsMount3RNullSize, (F)nfsMount3RNullPrint, sizeof(NfsMount3RNull), (P)nfsMount3TMntPack, (P)nfsMount3TMntUnpack, (S)nfsMount3TMntSize, (F)nfsMount3TMntPrint, sizeof(NfsMount3TMnt), (P)nfsMount3RMntPack, (P)nfsMount3RMntUnpack, (S)nfsMount3RMntSize, (F)nfsMount3RMntPrint, sizeof(NfsMount3RMnt), (P)nfsMount3TDumpPack, (P)nfsMount3TDumpUnpack, (S)nfsMount3TDumpSize, (F)nfsMount3TDumpPrint, sizeof(NfsMount3TDump), (P)nfsMount3RDumpPack, (P)nfsMount3RDumpUnpack, (S)nfsMount3RDumpSize, (F)nfsMount3RDumpPrint, sizeof(NfsMount3RDump), (P)nfsMount3TUmntPack, (P)nfsMount3TUmntUnpack, (S)nfsMount3TUmntSize, (F)nfsMount3TUmntPrint, sizeof(NfsMount3TUmnt), (P)nfsMount3RUmntPack, (P)nfsMount3RUmntUnpack, (S)nfsMount3RUmntSize, (F)nfsMount3RUmntPrint, sizeof(NfsMount3RUmnt), (P)nfsMount3TUmntallPack, (P)nfsMount3TUmntallUnpack, (S)nfsMount3TUmntallSize, (F)nfsMount3TUmntallPrint, sizeof(NfsMount3TUmntall), (P)nfsMount3RUmntallPack, (P)nfsMount3RUmntallUnpack, (S)nfsMount3RUmntallSize, (F)nfsMount3RUmntallPrint, sizeof(NfsMount3RUmntall), (P)nfsMount3TExportPack, (P)nfsMount3TExportUnpack, (S)nfsMount3TExportSize, (F)nfsMount3TExportPrint, sizeof(NfsMount3TExport), (P)nfsMount3RExportPack, (P)nfsMount3RExportUnpack, (S)nfsMount3RExportSize, (F)nfsMount3RExportPrint, sizeof(NfsMount3RExport), }; static SunProc proc1[] = { (P)nfsMount3TNullPack, (P)nfsMount3TNullUnpack, (S)nfsMount3TNullSize, (F)nfsMount3TNullPrint, sizeof(NfsMount3TNull), (P)nfsMount3RNullPack, (P)nfsMount3RNullUnpack, (S)nfsMount3RNullSize, (F)nfsMount3RNullPrint, sizeof(NfsMount3RNull), (P)nfsMount3TMntPack, (P)nfsMount3TMntUnpack, (S)nfsMount3TMntSize, (F)nfsMount3TMntPrint, sizeof(NfsMount3TMnt), (P)nfsMount1RMntPack, (P)nfsMount1RMntUnpack, (S)nfsMount1RMntSize, (F)nfsMount3RMntPrint, sizeof(NfsMount3RMnt), (P)nfsMount3TDumpPack, (P)nfsMount3TDumpUnpack, (S)nfsMount3TDumpSize, (F)nfsMount3TDumpPrint, sizeof(NfsMount3TDump), (P)nfsMount3RDumpPack, (P)nfsMount3RDumpUnpack, (S)nfsMount3RDumpSize, (F)nfsMount3RDumpPrint, sizeof(NfsMount3RDump), (P)nfsMount3TUmntPack, (P)nfsMount3TUmntUnpack, (S)nfsMount3TUmntSize, (F)nfsMount3TUmntPrint, sizeof(NfsMount3TUmnt), (P)nfsMount3RUmntPack, (P)nfsMount3RUmntUnpack, (S)nfsMount3RUmntSize, (F)nfsMount3RUmntPrint, sizeof(NfsMount3RUmnt), (P)nfsMount3TUmntallPack, (P)nfsMount3TUmntallUnpack, (S)nfsMount3TUmntallSize, (F)nfsMount3TUmntallPrint, sizeof(NfsMount3TUmntall), (P)nfsMount3RUmntallPack, (P)nfsMount3RUmntallUnpack, (S)nfsMount3RUmntallSize, (F)nfsMount3RUmntallPrint, sizeof(NfsMount3RUmntall), (P)nfsMount3TExportPack, (P)nfsMount3TExportUnpack, (S)nfsMount3TExportSize, (F)nfsMount3TExportPrint, sizeof(NfsMount3TExport), (P)nfsMount3RExportPack, (P)nfsMount3RExportUnpack, (S)nfsMount3RExportSize, (F)nfsMount3RExportPrint, sizeof(NfsMount3RExport), }; SunProg nfsMount3Prog = { NfsMount3Program, NfsMount3Version, proc3, nelem(proc3), }; SunProg nfsMount1Prog = { NfsMount1Program, NfsMount1Version, proc1, nelem(proc1), };