155682Smarkm/* 2233294Sstas * Copyright (c) 1997 - 2005 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 555682Smarkm * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 955682Smarkm * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 1655682Smarkm * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 2055682Smarkm * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include "gen_locl.h" 3555682Smarkm 36233294SstasRCSID("$Id$"); 3755682Smarkm 38178825Sdfrstatic int used_fail; 39178825Sdfr 4055682Smarkmstatic void 4155682Smarkmcopy_primitive (const char *typename, const char *from, const char *to) 4255682Smarkm{ 43233294Sstas fprintf (codefile, "if(der_copy_%s(%s, %s)) goto fail;\n", 4455682Smarkm typename, from, to); 45178825Sdfr used_fail++; 4655682Smarkm} 4755682Smarkm 4855682Smarkmstatic void 49178825Sdfrcopy_type (const char *from, const char *to, const Type *t, int preserve) 5055682Smarkm{ 51178825Sdfr switch (t->type) { 52178825Sdfr case TType: 5355682Smarkm#if 0 54178825Sdfr copy_type (from, to, t->symbol->type, preserve); 5555682Smarkm#endif 56233294Sstas fprintf (codefile, "if(copy_%s(%s, %s)) goto fail;\n", 57178825Sdfr t->symbol->gen_name, from, to); 58178825Sdfr used_fail++; 59178825Sdfr break; 60178825Sdfr case TInteger: 61178825Sdfr if (t->range == NULL && t->members == NULL) { 62178825Sdfr copy_primitive ("heim_integer", from, to); 63178825Sdfr break; 64178825Sdfr } 65178825Sdfr case TBoolean: 66178825Sdfr case TEnumerated : 67178825Sdfr fprintf(codefile, "*(%s) = *(%s);\n", to, from); 68178825Sdfr break; 69178825Sdfr case TOctetString: 70178825Sdfr copy_primitive ("octet_string", from, to); 71178825Sdfr break; 72178825Sdfr case TBitString: 73178825Sdfr if (ASN1_TAILQ_EMPTY(t->members)) 74178825Sdfr copy_primitive ("bit_string", from, to); 75178825Sdfr else 76178825Sdfr fprintf(codefile, "*(%s) = *(%s);\n", to, from); 77178825Sdfr break; 78178825Sdfr case TSet: 79178825Sdfr case TSequence: 80178825Sdfr case TChoice: { 81178825Sdfr Member *m, *have_ellipsis = NULL; 8255682Smarkm 83178825Sdfr if(t->members == NULL) 84178825Sdfr break; 85233294Sstas 86178825Sdfr if ((t->type == TSequence || t->type == TChoice) && preserve) { 87178825Sdfr fprintf(codefile, 88178825Sdfr "{ int ret;\n" 89178825Sdfr "ret = der_copy_octet_string(&(%s)->_save, &(%s)->_save);\n" 90178825Sdfr "if (ret) goto fail;\n" 91178825Sdfr "}\n", 92178825Sdfr from, to); 93178825Sdfr used_fail++; 94178825Sdfr } 9555682Smarkm 96178825Sdfr if(t->type == TChoice) { 97178825Sdfr fprintf(codefile, "(%s)->element = (%s)->element;\n", to, from); 98178825Sdfr fprintf(codefile, "switch((%s)->element) {\n", from); 99178825Sdfr } 10055682Smarkm 101178825Sdfr ASN1_TAILQ_FOREACH(m, t->members, members) { 102178825Sdfr char *fs; 103178825Sdfr char *ts; 104178825Sdfr 105178825Sdfr if (m->ellipsis) { 106178825Sdfr have_ellipsis = m; 107178825Sdfr continue; 108178825Sdfr } 109178825Sdfr 110178825Sdfr if(t->type == TChoice) 111178825Sdfr fprintf(codefile, "case %s:\n", m->label); 112178825Sdfr 113233294Sstas if (asprintf (&fs, "%s(%s)->%s%s", 114233294Sstas m->optional ? "" : "&", from, 115233294Sstas t->type == TChoice ? "u." : "", m->gen_name) < 0) 116233294Sstas errx(1, "malloc"); 117178825Sdfr if (fs == NULL) 118178825Sdfr errx(1, "malloc"); 119233294Sstas if (asprintf (&ts, "%s(%s)->%s%s", 120233294Sstas m->optional ? "" : "&", to, 121233294Sstas t->type == TChoice ? "u." : "", m->gen_name) < 0) 122233294Sstas errx(1, "malloc"); 123178825Sdfr if (ts == NULL) 124178825Sdfr errx(1, "malloc"); 125178825Sdfr if(m->optional){ 126178825Sdfr fprintf(codefile, "if(%s) {\n", fs); 127178825Sdfr fprintf(codefile, "%s = malloc(sizeof(*%s));\n", ts, ts); 128178825Sdfr fprintf(codefile, "if(%s == NULL) goto fail;\n", ts); 129178825Sdfr used_fail++; 130178825Sdfr } 131178825Sdfr copy_type (fs, ts, m->type, FALSE); 132178825Sdfr if(m->optional){ 133178825Sdfr fprintf(codefile, "}else\n"); 134178825Sdfr fprintf(codefile, "%s = NULL;\n", ts); 135178825Sdfr } 136178825Sdfr free (fs); 137178825Sdfr free (ts); 138178825Sdfr if(t->type == TChoice) 139178825Sdfr fprintf(codefile, "break;\n"); 140178825Sdfr } 141178825Sdfr if(t->type == TChoice) { 142178825Sdfr if (have_ellipsis) { 143178825Sdfr fprintf(codefile, "case %s: {\n" 144178825Sdfr "int ret;\n" 145178825Sdfr "ret=der_copy_octet_string(&(%s)->u.%s, &(%s)->u.%s);\n" 146178825Sdfr "if (ret) goto fail;\n" 147178825Sdfr "break;\n" 148178825Sdfr "}\n", 149178825Sdfr have_ellipsis->label, 150233294Sstas from, have_ellipsis->gen_name, 151178825Sdfr to, have_ellipsis->gen_name); 152178825Sdfr used_fail++; 153178825Sdfr } 154233294Sstas fprintf(codefile, "}\n"); 155178825Sdfr } 156178825Sdfr break; 157178825Sdfr } 158178825Sdfr case TSetOf: 159178825Sdfr case TSequenceOf: { 160233294Sstas char *f = NULL, *T = NULL; 161178825Sdfr 162178825Sdfr fprintf (codefile, "if(((%s)->val = " 163233294Sstas "malloc((%s)->len * sizeof(*(%s)->val))) == NULL && (%s)->len != 0)\n", 164178825Sdfr to, from, to, from); 165178825Sdfr fprintf (codefile, "goto fail;\n"); 166178825Sdfr used_fail++; 167178825Sdfr fprintf(codefile, 168178825Sdfr "for((%s)->len = 0; (%s)->len < (%s)->len; (%s)->len++){\n", 169178825Sdfr to, to, from, to); 170233294Sstas if (asprintf(&f, "&(%s)->val[(%s)->len]", from, to) < 0) 171233294Sstas errx(1, "malloc"); 172178825Sdfr if (f == NULL) 173178825Sdfr errx(1, "malloc"); 174233294Sstas if (asprintf(&T, "&(%s)->val[(%s)->len]", to, to) < 0) 175233294Sstas errx(1, "malloc"); 176178825Sdfr if (T == NULL) 177178825Sdfr errx(1, "malloc"); 178178825Sdfr copy_type(f, T, t->subtype, FALSE); 179178825Sdfr fprintf(codefile, "}\n"); 180178825Sdfr free(f); 181178825Sdfr free(T); 182178825Sdfr break; 183178825Sdfr } 184178825Sdfr case TGeneralizedTime: 185178825Sdfr fprintf(codefile, "*(%s) = *(%s);\n", to, from); 186178825Sdfr break; 187178825Sdfr case TGeneralString: 188178825Sdfr copy_primitive ("general_string", from, to); 189178825Sdfr break; 190233294Sstas case TTeletexString: 191233294Sstas copy_primitive ("general_string", from, to); 192233294Sstas break; 193178825Sdfr case TUTCTime: 194178825Sdfr fprintf(codefile, "*(%s) = *(%s);\n", to, from); 195178825Sdfr break; 196178825Sdfr case TUTF8String: 197178825Sdfr copy_primitive ("utf8string", from, to); 198178825Sdfr break; 199178825Sdfr case TPrintableString: 200178825Sdfr copy_primitive ("printable_string", from, to); 201178825Sdfr break; 202178825Sdfr case TIA5String: 203178825Sdfr copy_primitive ("ia5_string", from, to); 204178825Sdfr break; 205178825Sdfr case TBMPString: 206178825Sdfr copy_primitive ("bmp_string", from, to); 207178825Sdfr break; 208178825Sdfr case TUniversalString: 209178825Sdfr copy_primitive ("universal_string", from, to); 210178825Sdfr break; 211178825Sdfr case TVisibleString: 212178825Sdfr copy_primitive ("visible_string", from, to); 213178825Sdfr break; 214178825Sdfr case TTag: 215178825Sdfr copy_type (from, to, t->subtype, preserve); 216178825Sdfr break; 217178825Sdfr case TOID: 218178825Sdfr copy_primitive ("oid", from, to); 219178825Sdfr break; 220178825Sdfr case TNull: 221178825Sdfr break; 222178825Sdfr default : 223178825Sdfr abort (); 224178825Sdfr } 22555682Smarkm} 22655682Smarkm 22755682Smarkmvoid 22855682Smarkmgenerate_type_copy (const Symbol *s) 22955682Smarkm{ 230178825Sdfr int preserve = preserve_type(s->name) ? TRUE : FALSE; 231178825Sdfr 232178825Sdfr used_fail = 0; 233178825Sdfr 234233294Sstas fprintf (codefile, "int ASN1CALL\n" 23555682Smarkm "copy_%s(const %s *from, %s *to)\n" 236178825Sdfr "{\n" 237178825Sdfr "memset(to, 0, sizeof(*to));\n", 23855682Smarkm s->gen_name, s->gen_name, s->gen_name); 239178825Sdfr copy_type ("from", "to", s->type, preserve); 240178825Sdfr fprintf (codefile, "return 0;\n"); 24155682Smarkm 242178825Sdfr if (used_fail) 243178825Sdfr fprintf (codefile, "fail:\n" 244178825Sdfr "free_%s(to);\n" 245178825Sdfr "return ENOMEM;\n", 246178825Sdfr s->gen_name); 247178825Sdfr 248178825Sdfr fprintf(codefile, 249178825Sdfr "}\n\n"); 25055682Smarkm} 25155682Smarkm 252