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 void obj_updatestr_vstringls(Tcl_Obj *o, ...) {
104 for (l=0; (part= va_arg(al, const char*)); )
109 o->bytes= TALLOC(l+1);
112 for (p= o->bytes; (part= va_arg(al, const char*)); p += pl) {
121 void obj_updatestr_string(Tcl_Obj *o, const char *str) {
122 obj_updatestr_vstringls(o, str, strlen(str), (char*)0);
125 static void hbytes_t_ustr(Tcl_Obj *o) {
126 obj_updatestr_array(o,
127 hbytes_data(OBJ_HBYTES(o)),
128 hbytes_len(OBJ_HBYTES(o)));
131 static int hbytes_t_sfa(Tcl_Interp *ip, Tcl_Obj *o) {
133 Byte *startbytes, *bytes;
137 os= str= Tcl_GetStringFromObj(o,&l); assert(str);
140 if (l & 1) return staticerr(ip, "hbytes: conversion from hex:"
141 " odd length in hex");
143 startbytes= bytes= hbytes_arrayspace(OBJ_HBYTES(o), l/2);
149 *bytes++= strtoul(cbuf,&ep,16);
151 hbytes_free(OBJ_HBYTES(o));
152 return staticerr(ip, "hbytes: conversion from hex:"
158 o->typePtr = &hbytes_type;
162 Tcl_ObjType hbytes_type = {
164 hbytes_t_free, hbytes_t_dup, hbytes_t_ustr, hbytes_t_sfa
167 int do_hbytes_raw2h(ClientData cd, Tcl_Interp *ip,
168 Tcl_Obj *binary, HBytes_Value *result) {
169 const unsigned char *str;
172 str= Tcl_GetByteArrayFromObj(binary,&l);
173 hbytes_array(result, str, l);
177 int do_hbytes_h2raw(ClientData cd, Tcl_Interp *ip,
178 HBytes_Value hex, Tcl_Obj **result) {
179 *result= Tcl_NewByteArrayObj(hbytes_data(&hex), hbytes_len(&hex));
183 int do_hbytes_length(ClientData cd, Tcl_Interp *ip,
184 HBytes_Value v, int *result) {
185 *result= hbytes_len(&v);
189 int do_hbytes_random(ClientData cd, Tcl_Interp *ip,
190 int length, HBytes_Value *result) {
194 space= hbytes_arrayspace(result, length);
195 rc= get_urandom(ip, space, length);
196 if (rc) { hbytes_free(result); return rc; }
200 int do_hbytes_overwrite(ClientData cd, Tcl_Interp *ip,
201 HBytes_Var v, int start, HBytes_Value sub) {
204 sub_l= hbytes_len(&sub);
206 return staticerr(ip, "hbytes overwrite start -ve");
207 if (start + sub_l > hbytes_len(v.hb))
208 return staticerr(ip, "hbytes overwrite out of range");
209 memcpy(hbytes_data(v.hb) + start, hbytes_data(&sub), sub_l);
213 int do_hbytes_trimleft(ClientData cd, Tcl_Interp *ip, HBytes_Var v) {
214 const Byte *o, *p, *e;
215 o= p= hbytes_data(v.hb);
216 e= p + hbytes_len(v.hb);
218 while (p<e && !*p) p++;
220 hbytes_unprepend(v.hb, p-o);
225 int do_hbytes_repeat(ClientData cd, Tcl_Interp *ip,
226 HBytes_Value sub, int count, HBytes_Value *result) {
231 sub_l= hbytes_len(&sub);
232 if (count < 0) return staticerr(ip, "hbytes repeat count -ve");
233 if (count > INT_MAX/sub_l) return staticerr(ip, "hbytes repeat too long");
235 data= hbytes_arrayspace(result, sub_l*count);
236 sub_d= hbytes_data(&sub);
238 memcpy(data, sub_d, sub_l);
239 count--; data += sub_l;
244 int do_hbytes_zeroes(ClientData cd, Tcl_Interp *ip,
245 int length, HBytes_Value *result) {
247 space= hbytes_arrayspace(result, length);
248 memset(space,0,length);
252 int do_hbytes_compare(ClientData cd, Tcl_Interp *ip,
253 HBytes_Value a, HBytes_Value b, int *result) {
258 minl= al<bl ? al : bl;
260 r= memcmp(hbytes_data(&a), hbytes_data(&b), minl);
262 if (r<0) *result= -2;
263 else if (r>0) *result= +2;
265 if (al<bl) *result= -1;
266 else if (al>bl) *result= +1;
272 int do_hbytes_range(ClientData cd, Tcl_Interp *ip,
273 HBytes_Value v, int start, int size,
274 HBytes_Value *result) {
279 if (start<0 || size<0 || l<start+size)
280 return staticerr(ip, "hbytes range subscripts out of range");
282 data= hbytes_data(&v);
283 hbytes_array(result, data+start, size);
287 int do_toplevel_hbytes(ClientData cd, Tcl_Interp *ip,
288 const HBytes_SubCommand *subcmd,
289 int objc, Tcl_Obj *const *objv) {
290 return subcmd->func(0,ip,objc,objv);
293 int do_toplevel_dgram_socket(ClientData cd, Tcl_Interp *ip,
294 const DgramSocket_SubCommand *subcmd,
295 int objc, Tcl_Obj *const *objv) {
296 return subcmd->func(0,ip,objc,objv);
299 int do_toplevel_ulong(ClientData cd, Tcl_Interp *ip,
300 const ULong_SubCommand *subcmd,
301 int objc, Tcl_Obj *const *objv) {
302 return subcmd->func(0,ip,objc,objv);
305 #define URANDOM "/dev/urandom"
307 int get_urandom(Tcl_Interp *ip, Byte *buffer, int l) {
308 static FILE *urandom;
313 urandom= fopen(URANDOM,"rb");
314 if (!urandom) return posixerr(ip,errno,"open " URANDOM);
316 r= fread(buffer,1,l,urandom);
320 fclose(urandom); urandom=0;
322 if (ferror(urandom)) {
323 return posixerr(ip,errno,"read " URANDOM);
325 assert(feof(urandom));
326 return staticerr(ip, URANDOM " gave eof!");
330 int Hbytes_Init(Tcl_Interp *ip) {
331 const TopLevel_Command *cmd;
333 Tcl_RegisterObjType(&hbytes_type);
334 Tcl_RegisterObjType(&blockcipherkey_type);
335 Tcl_RegisterObjType(&enum_nearlytype);
336 Tcl_RegisterObjType(&enum1_nearlytype);
337 Tcl_RegisterObjType(&sockaddr_type);
338 Tcl_RegisterObjType(&dgramsockid_type);
339 Tcl_RegisterObjType(&ulong_type);
341 for (cmd=toplevel_commands;
344 Tcl_CreateObjCommand(ip, cmd->name, cmd->func, 0,0);