9 int staticerr(Tcl_Interp *ip, const char *m) {
10 Tcl_SetResult(ip, (char*)m, TCL_STATIC);
14 int posixerr(Tcl_Interp *ip, int errnoval, const char *m) {
19 em= Tcl_PosixError(ip);
20 Tcl_AppendResult(ip, m, ": ", em, (char*)0);
24 void objfreeir(Tcl_Obj *o) {
25 if (o->typePtr && o->typePtr->freeIntRepProc)
26 o->typePtr->freeIntRepProc(o);
30 int do_hbytes_rep_info(ClientData cd, Tcl_Interp *ip,
31 Tcl_Obj *obj, Tcl_Obj **result) {
36 if (obj->typePtr == &hbytes_type) {
37 HBytes_Value *v= OBJ_HBYTES(obj);
38 memset(nums,0,sizeof(nums));
39 nums[1]= hbytes_len(v);
41 if (HBYTES_ISEMPTY(v)) tn= "empty";
42 else if (HBYTES_ISSENTINEL(v)) tn= "sentinel!";
43 else if (HBYTES_ISSIMPLE(v)) tn= "simple";
45 HBytes_ComplexValue *cx= v->begin_complex;
47 nums[0]= cx->prespace;
48 nums[2]= cx->avail - cx->len;
56 objl[0]= Tcl_NewStringObj((char*)tn,-1);
57 for (i=0; i<lnl; i++) objl[i+1]= Tcl_NewIntObj(nums[i]);
58 *result= Tcl_NewListObj(lnl+1,objl);
63 static void hbytes_t_dup(Tcl_Obj *src, Tcl_Obj *dup) {
65 hbytes_array(OBJ_HBYTES(dup),
66 hbytes_data(OBJ_HBYTES(src)),
67 hbytes_len(OBJ_HBYTES(src)));
70 static void hbytes_t_free(Tcl_Obj *o) {
71 hbytes_free(OBJ_HBYTES(o));
74 void obj_updatestr_array_prefix(Tcl_Obj *o, const Byte *byte,
75 int l, const char *prefix) {
81 str= o->bytes= TALLOC(o->length+1);
83 memcpy(str,prefix,pl);
87 sprintf(str,"%02x",*byte);
93 void obj_updatestr_array(Tcl_Obj *o, const Byte *byte, int l) {
94 obj_updatestr_array_prefix(o,byte,l,"");
97 static void hbytes_t_ustr(Tcl_Obj *o) {
98 obj_updatestr_array(o,
99 hbytes_data(OBJ_HBYTES(o)),
100 hbytes_len(OBJ_HBYTES(o)));
103 static int hbytes_t_sfa(Tcl_Interp *ip, Tcl_Obj *o) {
105 Byte *startbytes, *bytes;
109 os= str= Tcl_GetStringFromObj(o,&l); assert(str);
112 if (l & 1) return staticerr(ip, "hbytes: conversion from hex:"
113 " odd length in hex");
115 startbytes= bytes= hbytes_arrayspace(OBJ_HBYTES(o), l/2);
121 *bytes++= strtoul(cbuf,&ep,16);
123 hbytes_free(OBJ_HBYTES(o));
124 return staticerr(ip, "hbytes: conversion from hex:"
130 o->typePtr = &hbytes_type;
134 Tcl_ObjType hbytes_type = {
136 hbytes_t_free, hbytes_t_dup, hbytes_t_ustr, hbytes_t_sfa
139 int do_hbytes_raw2h(ClientData cd, Tcl_Interp *ip,
140 Tcl_Obj *binary, HBytes_Value *result) {
144 str= Tcl_GetStringFromObj(binary,&l);
145 hbytes_array(result, str, l);
149 int do_hbytes_h2raw(ClientData cd, Tcl_Interp *ip,
150 HBytes_Value hex, Tcl_Obj **result) {
151 *result= Tcl_NewStringObj(hbytes_data(&hex), hbytes_len(&hex));
155 int do_hbytes_length(ClientData cd, Tcl_Interp *ip,
156 HBytes_Value v, int *result) {
157 *result= hbytes_len(&v);
161 int do_hbytes_random(ClientData cd, Tcl_Interp *ip,
162 int length, HBytes_Value *result) {
166 space= hbytes_arrayspace(result, length);
167 rc= get_urandom(ip, space, length);
168 if (rc) { hbytes_free(result); return rc; }
172 int do_hbytes_zeroes(ClientData cd, Tcl_Interp *ip,
173 int length, HBytes_Value *result) {
175 space= hbytes_arrayspace(result, length);
176 memset(space,0,length);
180 int do_hbytes_compare(ClientData cd, Tcl_Interp *ip,
181 HBytes_Value a, HBytes_Value b, int *result) {
186 minl= al<bl ? al : bl;
188 r= memcmp(hbytes_data(&a), hbytes_data(&b), minl);
190 if (r<0) *result= -2;
191 else if (r>0) *result= +2;
193 if (al<bl) *result= -1;
194 else if (al>bl) *result= +1;
200 int do__hbytes(ClientData cd, Tcl_Interp *ip,
201 const HBytes_SubCommand *subcmd,
202 int objc, Tcl_Obj *const *objv) {
203 return subcmd->func(0,ip,objc,objv);
206 int do__dgram_socket(ClientData cd, Tcl_Interp *ip,
207 const DgramSocket_SubCommand *subcmd,
208 int objc, Tcl_Obj *const *objv) {
209 return subcmd->func(0,ip,objc,objv);
212 #define URANDOM "/dev/urandom"
214 int get_urandom(Tcl_Interp *ip, Byte *buffer, int l) {
215 static FILE *urandom;
220 urandom= fopen(URANDOM,"rb");
221 if (!urandom) return posixerr(ip,errno,"open " URANDOM);
223 r= fread(buffer,1,l,urandom);
227 fclose(urandom); urandom=0;
229 if (ferror(urandom)) {
230 return posixerr(ip,errno,"read " URANDOM);
232 assert(feof(urandom));
233 return staticerr(ip, URANDOM " gave eof!");
237 int Hbytes_Init(Tcl_Interp *ip) {
238 Tcl_RegisterObjType(&hbytes_type);
239 Tcl_RegisterObjType(&blockcipherkey_type);
240 Tcl_RegisterObjType(&enum_nearlytype);
241 Tcl_RegisterObjType(&enum1_nearlytype);
242 Tcl_RegisterObjType(&sockaddr_type);
243 Tcl_RegisterObjType(&sockid_type);
244 Tcl_CreateObjCommand(ip, "hbytes", pa__hbytes, 0,0);
245 Tcl_CreateObjCommand(ip, "dgram-socket", pa__dgram_socket, 0,0);