1b528cefcSMark Murray /* 2*ae771770SStanislav Sedov * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan 3b528cefcSMark Murray * (Royal Institute of Technology, Stockholm, Sweden). 4b528cefcSMark Murray * All rights reserved. 5b528cefcSMark Murray * 6b528cefcSMark Murray * Redistribution and use in source and binary forms, with or without 7b528cefcSMark Murray * modification, are permitted provided that the following conditions 8b528cefcSMark Murray * are met: 9b528cefcSMark Murray * 10b528cefcSMark Murray * 1. Redistributions of source code must retain the above copyright 11b528cefcSMark Murray * notice, this list of conditions and the following disclaimer. 12b528cefcSMark Murray * 13b528cefcSMark Murray * 2. Redistributions in binary form must reproduce the above copyright 14b528cefcSMark Murray * notice, this list of conditions and the following disclaimer in the 15b528cefcSMark Murray * documentation and/or other materials provided with the distribution. 16b528cefcSMark Murray * 17b528cefcSMark Murray * 3. Neither the name of the Institute nor the names of its contributors 18b528cefcSMark Murray * may be used to endorse or promote products derived from this software 19b528cefcSMark Murray * without specific prior written permission. 20b528cefcSMark Murray * 21b528cefcSMark Murray * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22b528cefcSMark Murray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23b528cefcSMark Murray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24b528cefcSMark Murray * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25b528cefcSMark Murray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26b528cefcSMark Murray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27b528cefcSMark Murray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28b528cefcSMark Murray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29b528cefcSMark Murray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30b528cefcSMark Murray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31b528cefcSMark Murray * SUCH DAMAGE. 32b528cefcSMark Murray */ 33b528cefcSMark Murray 34b528cefcSMark Murray #include "gen_locl.h" 35b528cefcSMark Murray 36*ae771770SStanislav Sedov RCSID("$Id$"); 37c19800e8SDoug Rabson 38c19800e8SDoug Rabson static int used_fail; 39b528cefcSMark Murray 40b528cefcSMark Murray static void 41b528cefcSMark Murray copy_primitive (const char *typename, const char *from, const char *to) 42b528cefcSMark Murray { 43c19800e8SDoug Rabson fprintf (codefile, "if(der_copy_%s(%s, %s)) goto fail;\n", 44b528cefcSMark Murray typename, from, to); 45c19800e8SDoug Rabson used_fail++; 46b528cefcSMark Murray } 47b528cefcSMark Murray 48b528cefcSMark Murray static void 49c19800e8SDoug Rabson copy_type (const char *from, const char *to, const Type *t, int preserve) 50b528cefcSMark Murray { 51b528cefcSMark Murray switch (t->type) { 52b528cefcSMark Murray case TType: 53b528cefcSMark Murray #if 0 54c19800e8SDoug Rabson copy_type (from, to, t->symbol->type, preserve); 55b528cefcSMark Murray #endif 56c19800e8SDoug Rabson fprintf (codefile, "if(copy_%s(%s, %s)) goto fail;\n", 57b528cefcSMark Murray t->symbol->gen_name, from, to); 58c19800e8SDoug Rabson used_fail++; 59b528cefcSMark Murray break; 60b528cefcSMark Murray case TInteger: 61c19800e8SDoug Rabson if (t->range == NULL && t->members == NULL) { 62c19800e8SDoug Rabson copy_primitive ("heim_integer", from, to); 63c19800e8SDoug Rabson break; 64c19800e8SDoug Rabson } 65c19800e8SDoug Rabson case TBoolean: 664137ff4cSJacques Vidrine case TEnumerated : 67b528cefcSMark Murray fprintf(codefile, "*(%s) = *(%s);\n", to, from); 68b528cefcSMark Murray break; 69b528cefcSMark Murray case TOctetString: 70b528cefcSMark Murray copy_primitive ("octet_string", from, to); 71b528cefcSMark Murray break; 72c19800e8SDoug Rabson case TBitString: 73c19800e8SDoug Rabson if (ASN1_TAILQ_EMPTY(t->members)) 74c19800e8SDoug Rabson copy_primitive ("bit_string", from, to); 75c19800e8SDoug Rabson else 76b528cefcSMark Murray fprintf(codefile, "*(%s) = *(%s);\n", to, from); 77b528cefcSMark Murray break; 78c19800e8SDoug Rabson case TSet: 79c19800e8SDoug Rabson case TSequence: 80c19800e8SDoug Rabson case TChoice: { 81c19800e8SDoug Rabson Member *m, *have_ellipsis = NULL; 82b528cefcSMark Murray 83b528cefcSMark Murray if(t->members == NULL) 84b528cefcSMark Murray break; 85b528cefcSMark Murray 86c19800e8SDoug Rabson if ((t->type == TSequence || t->type == TChoice) && preserve) { 87c19800e8SDoug Rabson fprintf(codefile, 88c19800e8SDoug Rabson "{ int ret;\n" 89c19800e8SDoug Rabson "ret = der_copy_octet_string(&(%s)->_save, &(%s)->_save);\n" 90c19800e8SDoug Rabson "if (ret) goto fail;\n" 91c19800e8SDoug Rabson "}\n", 92c19800e8SDoug Rabson from, to); 93c19800e8SDoug Rabson used_fail++; 94b528cefcSMark Murray } 95c19800e8SDoug Rabson 96c19800e8SDoug Rabson if(t->type == TChoice) { 97c19800e8SDoug Rabson fprintf(codefile, "(%s)->element = (%s)->element;\n", to, from); 98c19800e8SDoug Rabson fprintf(codefile, "switch((%s)->element) {\n", from); 99c19800e8SDoug Rabson } 100c19800e8SDoug Rabson 101c19800e8SDoug Rabson ASN1_TAILQ_FOREACH(m, t->members, members) { 102c19800e8SDoug Rabson char *fs; 103c19800e8SDoug Rabson char *ts; 104c19800e8SDoug Rabson 105c19800e8SDoug Rabson if (m->ellipsis) { 106c19800e8SDoug Rabson have_ellipsis = m; 107c19800e8SDoug Rabson continue; 108c19800e8SDoug Rabson } 109c19800e8SDoug Rabson 110c19800e8SDoug Rabson if(t->type == TChoice) 111c19800e8SDoug Rabson fprintf(codefile, "case %s:\n", m->label); 112c19800e8SDoug Rabson 113*ae771770SStanislav Sedov if (asprintf (&fs, "%s(%s)->%s%s", 114c19800e8SDoug Rabson m->optional ? "" : "&", from, 115*ae771770SStanislav Sedov t->type == TChoice ? "u." : "", m->gen_name) < 0) 116*ae771770SStanislav Sedov errx(1, "malloc"); 117c19800e8SDoug Rabson if (fs == NULL) 118c19800e8SDoug Rabson errx(1, "malloc"); 119*ae771770SStanislav Sedov if (asprintf (&ts, "%s(%s)->%s%s", 120c19800e8SDoug Rabson m->optional ? "" : "&", to, 121*ae771770SStanislav Sedov t->type == TChoice ? "u." : "", m->gen_name) < 0) 122*ae771770SStanislav Sedov errx(1, "malloc"); 123c19800e8SDoug Rabson if (ts == NULL) 124c19800e8SDoug Rabson errx(1, "malloc"); 125c19800e8SDoug Rabson if(m->optional){ 126c19800e8SDoug Rabson fprintf(codefile, "if(%s) {\n", fs); 127c19800e8SDoug Rabson fprintf(codefile, "%s = malloc(sizeof(*%s));\n", ts, ts); 128c19800e8SDoug Rabson fprintf(codefile, "if(%s == NULL) goto fail;\n", ts); 129c19800e8SDoug Rabson used_fail++; 130c19800e8SDoug Rabson } 131c19800e8SDoug Rabson copy_type (fs, ts, m->type, FALSE); 132b528cefcSMark Murray if(m->optional){ 133b528cefcSMark Murray fprintf(codefile, "}else\n"); 134c19800e8SDoug Rabson fprintf(codefile, "%s = NULL;\n", ts); 135b528cefcSMark Murray } 136c19800e8SDoug Rabson free (fs); 137c19800e8SDoug Rabson free (ts); 138c19800e8SDoug Rabson if(t->type == TChoice) 139c19800e8SDoug Rabson fprintf(codefile, "break;\n"); 140c19800e8SDoug Rabson } 141c19800e8SDoug Rabson if(t->type == TChoice) { 142c19800e8SDoug Rabson if (have_ellipsis) { 143c19800e8SDoug Rabson fprintf(codefile, "case %s: {\n" 144c19800e8SDoug Rabson "int ret;\n" 145c19800e8SDoug Rabson "ret=der_copy_octet_string(&(%s)->u.%s, &(%s)->u.%s);\n" 146c19800e8SDoug Rabson "if (ret) goto fail;\n" 147c19800e8SDoug Rabson "break;\n" 148c19800e8SDoug Rabson "}\n", 149c19800e8SDoug Rabson have_ellipsis->label, 150c19800e8SDoug Rabson from, have_ellipsis->gen_name, 151c19800e8SDoug Rabson to, have_ellipsis->gen_name); 152c19800e8SDoug Rabson used_fail++; 153c19800e8SDoug Rabson } 154c19800e8SDoug Rabson fprintf(codefile, "}\n"); 155b528cefcSMark Murray } 156b528cefcSMark Murray break; 157b528cefcSMark Murray } 158c19800e8SDoug Rabson case TSetOf: 159b528cefcSMark Murray case TSequenceOf: { 160*ae771770SStanislav Sedov char *f = NULL, *T = NULL; 161b528cefcSMark Murray 162b528cefcSMark Murray fprintf (codefile, "if(((%s)->val = " 163b528cefcSMark Murray "malloc((%s)->len * sizeof(*(%s)->val))) == NULL && (%s)->len != 0)\n", 164b528cefcSMark Murray to, from, to, from); 165c19800e8SDoug Rabson fprintf (codefile, "goto fail;\n"); 166c19800e8SDoug Rabson used_fail++; 167b528cefcSMark Murray fprintf(codefile, 168b528cefcSMark Murray "for((%s)->len = 0; (%s)->len < (%s)->len; (%s)->len++){\n", 169b528cefcSMark Murray to, to, from, to); 170*ae771770SStanislav Sedov if (asprintf(&f, "&(%s)->val[(%s)->len]", from, to) < 0) 171*ae771770SStanislav Sedov errx(1, "malloc"); 172c19800e8SDoug Rabson if (f == NULL) 173c19800e8SDoug Rabson errx(1, "malloc"); 174*ae771770SStanislav Sedov if (asprintf(&T, "&(%s)->val[(%s)->len]", to, to) < 0) 175*ae771770SStanislav Sedov errx(1, "malloc"); 176c19800e8SDoug Rabson if (T == NULL) 177c19800e8SDoug Rabson errx(1, "malloc"); 178c19800e8SDoug Rabson copy_type(f, T, t->subtype, FALSE); 179b528cefcSMark Murray fprintf(codefile, "}\n"); 180b528cefcSMark Murray free(f); 181b528cefcSMark Murray free(T); 182b528cefcSMark Murray break; 183b528cefcSMark Murray } 184b528cefcSMark Murray case TGeneralizedTime: 185b528cefcSMark Murray fprintf(codefile, "*(%s) = *(%s);\n", to, from); 186b528cefcSMark Murray break; 187b528cefcSMark Murray case TGeneralString: 188b528cefcSMark Murray copy_primitive ("general_string", from, to); 189b528cefcSMark Murray break; 190*ae771770SStanislav Sedov case TTeletexString: 191*ae771770SStanislav Sedov copy_primitive ("general_string", from, to); 192*ae771770SStanislav Sedov break; 193c19800e8SDoug Rabson case TUTCTime: 194c19800e8SDoug Rabson fprintf(codefile, "*(%s) = *(%s);\n", to, from); 195c19800e8SDoug Rabson break; 196c19800e8SDoug Rabson case TUTF8String: 197c19800e8SDoug Rabson copy_primitive ("utf8string", from, to); 198c19800e8SDoug Rabson break; 199c19800e8SDoug Rabson case TPrintableString: 200c19800e8SDoug Rabson copy_primitive ("printable_string", from, to); 201c19800e8SDoug Rabson break; 202c19800e8SDoug Rabson case TIA5String: 203c19800e8SDoug Rabson copy_primitive ("ia5_string", from, to); 204c19800e8SDoug Rabson break; 205c19800e8SDoug Rabson case TBMPString: 206c19800e8SDoug Rabson copy_primitive ("bmp_string", from, to); 207c19800e8SDoug Rabson break; 208c19800e8SDoug Rabson case TUniversalString: 209c19800e8SDoug Rabson copy_primitive ("universal_string", from, to); 210c19800e8SDoug Rabson break; 211c19800e8SDoug Rabson case TVisibleString: 212c19800e8SDoug Rabson copy_primitive ("visible_string", from, to); 213c19800e8SDoug Rabson break; 214c19800e8SDoug Rabson case TTag: 215c19800e8SDoug Rabson copy_type (from, to, t->subtype, preserve); 216c19800e8SDoug Rabson break; 217c19800e8SDoug Rabson case TOID: 218c19800e8SDoug Rabson copy_primitive ("oid", from, to); 219c19800e8SDoug Rabson break; 220c19800e8SDoug Rabson case TNull: 221b528cefcSMark Murray break; 222b528cefcSMark Murray default : 223b528cefcSMark Murray abort (); 224b528cefcSMark Murray } 225b528cefcSMark Murray } 226b528cefcSMark Murray 227b528cefcSMark Murray void 228b528cefcSMark Murray generate_type_copy (const Symbol *s) 229b528cefcSMark Murray { 230c19800e8SDoug Rabson int preserve = preserve_type(s->name) ? TRUE : FALSE; 231c19800e8SDoug Rabson 232c19800e8SDoug Rabson used_fail = 0; 233c19800e8SDoug Rabson 234*ae771770SStanislav Sedov fprintf (codefile, "int ASN1CALL\n" 235b528cefcSMark Murray "copy_%s(const %s *from, %s *to)\n" 236c19800e8SDoug Rabson "{\n" 237c19800e8SDoug Rabson "memset(to, 0, sizeof(*to));\n", 238b528cefcSMark Murray s->gen_name, s->gen_name, s->gen_name); 239c19800e8SDoug Rabson copy_type ("from", "to", s->type, preserve); 240c19800e8SDoug Rabson fprintf (codefile, "return 0;\n"); 241b528cefcSMark Murray 242c19800e8SDoug Rabson if (used_fail) 243c19800e8SDoug Rabson fprintf (codefile, "fail:\n" 244c19800e8SDoug Rabson "free_%s(to);\n" 245c19800e8SDoug Rabson "return ENOMEM;\n", 246c19800e8SDoug Rabson s->gen_name); 247c19800e8SDoug Rabson 248c19800e8SDoug Rabson fprintf(codefile, 249c19800e8SDoug Rabson "}\n\n"); 250b528cefcSMark Murray } 251b528cefcSMark Murray 252