diff options
Diffstat (limited to 'lib/asn1/gen_template.c')
-rw-r--r-- | lib/asn1/gen_template.c | 187 |
1 files changed, 138 insertions, 49 deletions
diff --git a/lib/asn1/gen_template.c b/lib/asn1/gen_template.c index edd68e122380..d469201e554d 100644 --- a/lib/asn1/gen_template.c +++ b/lib/asn1/gen_template.c @@ -3,7 +3,7 @@ * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * - * Portions Copyright (c) 2009 Apple Inc. All rights reserved. + * Portions Copyright (c) 2009 - 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -52,11 +52,13 @@ integer_symbol(const char *basename, const Type *t) return "int"; /* XXX enum foo */ else if (t->range == NULL) return "heim_integer"; - else if (t->range->min == INT_MIN && t->range->max == INT_MAX) + else if (t->range->min < INT_MIN && t->range->max <= INT64_MAX) + return "int64_t"; + else if (t->range->min >= 0 && t->range->max > UINT_MAX) + return "uint64_t"; + else if (t->range->min >= INT_MIN && t->range->max <= INT_MAX) return "int"; - else if (t->range->min == 0 && t->range->max == UINT_MAX) - return "unsigned"; - else if (t->range->min == 0 && t->range->max == INT_MAX) + else if (t->range->min >= 0 && t->range->max <= UINT_MAX) return "unsigned"; else { abort(); @@ -114,6 +116,12 @@ ia5string_symbol(const char *basename, const Type *t) } static const char * +teletexstring_symbol(const char *basename, const Type *t) +{ + return "heim_teletex_string"; +} + +static const char * visiblestring_symbol(const char *basename, const Type *t) { return "heim_visible_string"; @@ -164,6 +172,7 @@ struct { { TGeneralString, generalstring_symbol, 0 }, { TGeneralizedTime, time_symbol, 0 }, { TIA5String, ia5string_symbol, 0 }, + { TTeletexString, generalstring_symbol, 0 }, { TInteger, integer_symbol, 0 }, { TOID, oid_symbol, 0 }, { TOctetString, octetstring_symbol, 0 }, @@ -175,6 +184,7 @@ struct { { TType, ttype_symbol, 1 }, { TUTCTime, time_symbol, 0 }, { TUniversalString, universalstring_symbol, 0 }, + { TTeletexString, teletexstring_symbol, 0 }, { TVisibleString, visiblestring_symbol, 0 }, { TUTF8String, utf8string_symbol, 0 }, { TChoice, sequence_symbol, 1 }, @@ -221,12 +231,12 @@ symbol_name(const char *basename, const Type *t) static char * -partial_offset(const char *basetype, const char *name, int need_offset) +partial_offset(const char *basetype, const char *name, int need_offset, int isstruct) { char *str; if (name == NULL || need_offset == 0) return strdup("0"); - if (asprintf(&str, "offsetof(struct %s, %s)", basetype, name) < 0 || str == NULL) + if (asprintf(&str, "offsetof(%s%s, %s)", isstruct ? "struct " : "", basetype, name) < 0 || str == NULL) errx(1, "malloc"); return str; } @@ -250,13 +260,13 @@ struct tlist { ASN1_TAILQ_HEAD(tlisthead, tlist); -static void tlist_header(struct tlist *, const char *, ...) __attribute__((__format__(__printf__, 2, 3))); +static void tlist_header(struct tlist *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3))); static struct template * - add_line(struct templatehead *, const char *, ...) __attribute__((__format__(__printf__, 2, 3))); + add_line(struct templatehead *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3))); static int tlist_cmp(const struct tlist *, const struct tlist *); static void add_line_pointer(struct templatehead *, const char *, const char *, const char *, ...) - __attribute__((__format__(__printf__, 4, 5))); + __attribute__ ((__format__ (__printf__, 4, 5))); static struct tlisthead tlistmaster = ASN1_TAILQ_HEAD_INITIALIZER(tlistmaster); @@ -306,7 +316,7 @@ tlist_print(struct tlist *tl) unsigned int i = 1; FILE *f = get_code_file(); - fprintf(f, "static const struct asn1_template asn1_%s[] = {\n", tl->name); + fprintf(f, "const struct asn1_template asn1_%s[] = {\n", tl->name); fprintf(f, "/* 0 */ %s,\n", tl->header); ASN1_TAILQ_FOREACH(q, &tl->template, members) { int last = (ASN1_TAILQ_LAST(&tl->template, templatehead) == q); @@ -331,6 +341,10 @@ tlist_cmp_name(const char *tname, const char *qname) { struct tlist *tl = tlist_find_by_name(tname); struct tlist *ql = tlist_find_by_name(qname); + if (tl == NULL) + return 1; + if (ql == NULL) + return -1; return tlist_cmp(tl, ql); } @@ -431,7 +445,7 @@ use_extern(const Symbol *s) } static int -is_struct(Type *t, int isstruct) +is_struct(const Type *t, int isstruct) { size_t i; @@ -463,24 +477,28 @@ compact_tag(const Type *t) } static void -template_members(struct templatehead *temp, const char *basetype, const char *name, const Type *t, int optional, int isstruct, int need_offset) +template_members(struct templatehead *temp, const char *basetype, const char *name, const Type *t, int optional, int implicit, int isstruct, int need_offset) { char *poffset = NULL; if (optional && t->type != TTag && t->type != TType) errx(1, "%s...%s is optional and not a (TTag or TType)", basetype, name); - poffset = partial_offset(basetype, name, need_offset); + poffset = partial_offset(basetype, name, need_offset, isstruct); switch (t->type) { case TType: if (use_extern(t->symbol)) { - add_line(temp, "{ A1_OP_TYPE_EXTERN %s, %s, &asn1_extern_%s}", + add_line(temp, "{ A1_OP_TYPE_EXTERN %s%s, %s, &asn1_extern_%s}", optional ? "|A1_FLAG_OPTIONAL" : "", + implicit ? "|A1_FLAG_IMPLICIT" : "", poffset, t->symbol->gen_name); } else { add_line_pointer(temp, t->symbol->gen_name, poffset, - "A1_OP_TYPE %s", optional ? "|A1_FLAG_OPTIONAL" : ""); + "A1_OP_TYPE %s%s", + optional ? "|A1_FLAG_OPTIONAL" : "", + implicit ? "|A1_FLAG_IMPLICIT" : ""); + } break; case TInteger: { @@ -490,15 +508,17 @@ template_members(struct templatehead *temp, const char *basetype, const char *na itype = "IMEMBER"; else if (t->range == NULL) itype = "HEIM_INTEGER"; - else if (t->range->min == INT_MIN && t->range->max == INT_MAX) + else if (t->range->min < INT_MIN && t->range->max <= INT64_MAX) + itype = "INTEGER64"; + else if (t->range->min >= 0 && t->range->max > UINT_MAX) + itype = "UNSIGNED64"; + else if (t->range->min >= INT_MIN && t->range->max <= INT_MAX) itype = "INTEGER"; - else if (t->range->min == 0 && t->range->max == UINT_MAX) - itype = "UNSIGNED"; - else if (t->range->min == 0 && t->range->max == INT_MAX) + else if (t->range->min >= 0 && t->range->max <= UINT_MAX) itype = "UNSIGNED"; else - errx(1, "%s: unsupported range %d -> %d", - name, t->range->min, t->range->max); + errx(1, "%s: unsupported range %lld -> %lld", + name, (long long)t->range->min, (long long)t->range->max); add_line(temp, "{ A1_PARSE_T(A1T_%s), %s, NULL }", itype, poffset); break; @@ -545,19 +565,22 @@ template_members(struct templatehead *temp, const char *basetype, const char *na case TNull: break; case TBitString: { - struct templatehead template = ASN1_TAILQ_HEAD_INITIALIZER(template); + struct templatehead template; struct template *q; Member *m; size_t count = 0, i; char *bname = NULL; FILE *f = get_code_file(); + static unsigned long bmember_counter = 0; + + ASN1_TAILQ_INIT(&template); if (ASN1_TAILQ_EMPTY(t->members)) { add_line(temp, "{ A1_PARSE_T(A1T_HEIM_BIT_STRING), %s, NULL }", poffset); break; } - if (asprintf(&bname, "bmember_%s_%p", name ? name : "", t) < 0 || bname == NULL) + if (asprintf(&bname, "bmember_%s_%lu", name ? name : "", bmember_counter++) < 0 || bname == NULL) errx(1, "malloc"); output_name(bname); @@ -589,6 +612,8 @@ template_members(struct templatehead *temp, const char *basetype, const char *na case TSequence: { Member *m; + fprintf(get_code_file(), "/* tsequence: members isstruct: %d */\n", isstruct); + ASN1_TAILQ_FOREACH(m, t->members, members) { char *newbasename = NULL; @@ -603,7 +628,7 @@ template_members(struct templatehead *temp, const char *basetype, const char *na if (newbasename == NULL) errx(1, "malloc"); - template_members(temp, newbasename, m->gen_name, m->type, m->optional, isstruct, 1); + template_members(temp, newbasename, m->gen_name, m->type, m->optional, 0, isstruct, 1); free(newbasename); } @@ -614,13 +639,47 @@ template_members(struct templatehead *temp, const char *basetype, const char *na char *tname = NULL, *elname = NULL; const char *sename, *dupname; int subtype_is_struct = is_struct(t->subtype, isstruct); + static unsigned long tag_counter = 0; + int tagimplicit = (t->tag.tagenv == TE_IMPLICIT); + struct type *subtype; + + fprintf(get_code_file(), "/* template_members: %s %s %s */\n", basetype, implicit ? "imp" : "exp", tagimplicit ? "imp" : "exp"); + + if (tagimplicit) { + + struct type *type = t->subtype; + int have_tag = 0; + + while (!have_tag) { + if (type->type == TTag) { + fprintf(get_code_file(), "/* template_members: imp skip tag */\n"); + type = type->subtype; + have_tag = 1; + } else if(type->type == TType && type->symbol && type->symbol->type) { + /* XXX really, we should stop here and find a + * pointer to where this is encoded instead of + * generated an new structure and hope that the + * optimizer catch it later. + */ + subtype_is_struct = is_struct(type, isstruct); + fprintf(get_code_file(), "/* template_members: imp skip type %s isstruct: %d */\n", + type->symbol->name, subtype_is_struct); + type = type->symbol->type; + } else { + have_tag = 1; + } + } + subtype = type; + } else { + subtype = t->subtype; + } if (subtype_is_struct) sename = basetype; else - sename = symbol_name(basetype, t->subtype); + sename = symbol_name(basetype, subtype); - if (asprintf(&tname, "tag_%s_%p", name ? name : "", t) < 0 || tname == NULL) + if (asprintf(&tname, "tag_%s_%lu", name ? name : "", tag_counter++) < 0 || tname == NULL) errx(1, "malloc"); output_name(tname); @@ -628,14 +687,15 @@ template_members(struct templatehead *temp, const char *basetype, const char *na errx(1, "malloc"); generate_template_type(elname, &dupname, NULL, sename, name, - t->subtype, 0, subtype_is_struct, 0); + subtype, 0, subtype_is_struct, 0); add_line_pointer(temp, dupname, poffset, - "A1_TAG_T(%s,%s,%s)%s", + "A1_TAG_T(%s,%s,%s)%s%s", classname(t->tag.tagclass), - is_primitive_type(t->subtype->type) ? "PRIM" : "CONS", + is_primitive_type(subtype->type) ? "PRIM" : "CONS", valuename(t->tag.tagclass, t->tag.tagvalue), - optional ? "|A1_FLAG_OPTIONAL" : ""); + optional ? "|A1_FLAG_OPTIONAL" : "", + tagimplicit ? "|A1_FLAG_IMPLICIT" : ""); free(tname); free(elname); @@ -647,6 +707,7 @@ template_members(struct templatehead *temp, const char *basetype, const char *na const char *type = NULL, *tname, *dupname; char *sename = NULL, *elname = NULL; int subtype_is_struct = is_struct(t->subtype, 0); + static unsigned long seof_counter = 0; if (name && subtype_is_struct) { tname = "seofTstruct"; @@ -670,7 +731,7 @@ template_members(struct templatehead *temp, const char *basetype, const char *na else if (t->type == TSequenceOf) type = "A1_OP_SEQOF"; else abort(); - if (asprintf(&elname, "%s_%s_%p", basetype, tname, t) < 0 || elname == NULL) + if (asprintf(&elname, "%s_%s_%lu", basetype, tname, seof_counter++) < 0 || elname == NULL) errx(1, "malloc"); generate_template_type(elname, &dupname, NULL, sename, NULL, t->subtype, @@ -681,7 +742,7 @@ template_members(struct templatehead *temp, const char *basetype, const char *na break; } case TChoice: { - struct templatehead template = ASN1_TAILQ_HEAD_INITIALIZER(template); + struct templatehead template; struct template *q; size_t count = 0, i; char *tname = NULL; @@ -689,9 +750,12 @@ template_members(struct templatehead *temp, const char *basetype, const char *na Member *m; int ellipsis = 0; char *e; + static unsigned long choice_counter = 0; + + ASN1_TAILQ_INIT(&template); - if (asprintf(&tname, "asn1_choice_%s_%s%x", - basetype, name ? name : "", (unsigned int)(uintptr_t)t) < 0 || tname == NULL) + if (asprintf(&tname, "asn1_choice_%s_%s%lu", + basetype, name ? name : "", choice_counter++) < 0 || tname == NULL) errx(1, "malloc"); ASN1_TAILQ_FOREACH(m, t->members, members) { @@ -803,12 +867,20 @@ generate_template_type(const char *varname, int optional, int isstruct, int need_offset) { struct tlist *tl; - const char *dup; + const char *d; + char *szt = NULL; int have_ellipsis = 0; + int implicit = 0; + int n; tl = tlist_new(varname); - template_members(&tl->template, basetype, name, type, optional, isstruct, need_offset); + if (type->type == TTag) + implicit = (type->tag.tagenv == TE_IMPLICIT); + + fprintf(get_code_file(), "extern const struct asn1_template asn1_%s[];\n", tl->name); + + template_members(&tl->template, basetype, name, type, optional, implicit, isstruct, need_offset); /* if its a sequence or set type, check if there is a ellipsis */ if (type->type == TSequence || type->type == TSet) { @@ -819,19 +891,34 @@ generate_template_type(const char *varname, } } + if (isstruct) + if (name) + n = asprintf(&szt, "struct %s_%s", basetype, name); + else + n = asprintf(&szt, "struct %s", basetype); + else + n = asprintf(&szt, "%s", basetype); + if (n < 0 || szt == NULL) + errx(1, "malloc"); + if (ASN1_TAILQ_EMPTY(&tl->template) && compact_tag(type)->type != TNull) errx(1, "Tag %s...%s with no content ?", basetype, name ? name : ""); - tlist_header(tl, "{ 0%s%s, sizeof(%s%s), ((void *)%lu) }", + fprintf(get_code_file(), "/* generate_template_type: %s */\n", tl->name); + + tlist_header(tl, "{ 0%s%s, sizeof(%s), ((void *)%lu) }", (symname && preserve_type(symname)) ? "|A1_HF_PRESERVE" : "", - have_ellipsis ? "|A1_HF_ELLIPSIS" : "", - isstruct ? "struct " : "", basetype, tlist_count(tl)); - - dup = tlist_find_dup(tl); - if (dup) { - if (strcmp(dup, tl->name) == 0) - errx(1, "found dup of ourself"); - *dupname = dup; + have_ellipsis ? "|A1_HF_ELLIPSIS" : "", szt, tlist_count(tl)); + + free(szt); + + d = tlist_find_dup(tl); + if (d) { +#if 0 + if (strcmp(d, tl->name) == 0) + errx(1, "found dup of ourself: %s", d); +#endif + *dupname = d; } else { *dupname = tl->name; tlist_print(tl); @@ -871,11 +958,12 @@ generate_template(const Symbol *s) "int\n" "encode_%s(unsigned char *p, size_t len, const %s *data, size_t *size)\n" "{\n" - " return _asn1_encode(asn1_%s, p, len, data, size);\n" + " return _asn1_encode%s(asn1_%s, p, len, data, size);\n" "}\n" "\n", s->gen_name, s->gen_name, + fuzzer_string, dupname); fprintf(f, @@ -883,11 +971,12 @@ generate_template(const Symbol *s) "size_t\n" "length_%s(const %s *data)\n" "{\n" - " return _asn1_length(asn1_%s, data);\n" + " return _asn1_length%s(asn1_%s, data);\n" "}\n" "\n", s->gen_name, s->gen_name, + fuzzer_string, dupname); @@ -896,7 +985,7 @@ generate_template(const Symbol *s) "void\n" "free_%s(%s *data)\n" "{\n" - " _asn1_free(asn1_%s, data);\n" + " _asn1_free_top(asn1_%s, data);\n" "}\n" "\n", s->gen_name, |