diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/asn1_gen.c')
| -rw-r--r-- | crypto/heimdal/lib/asn1/asn1_gen.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/asn1_gen.c b/crypto/heimdal/lib/asn1/asn1_gen.c new file mode 100644 index 0000000..65b382e --- /dev/null +++ b/crypto/heimdal/lib/asn1/asn1_gen.c @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "der_locl.h" +#include <com_err.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <ctype.h> +#include <getarg.h> +#include <hex.h> +#include <err.h> + +RCSID("$Id: asn1_gen.c 16666 2006-01-30 15:06:03Z lha $"); + +static int +doit(const char *fn) +{ + char buf[2048]; + char *fnout; + const char *bname; + unsigned long line = 0; + FILE *f, *fout; + size_t offset = 0; + + f = fopen(fn, "r"); + if (f == NULL) + err(1, "fopen"); + + bname = strrchr(fn, '/'); + if (bname) + bname++; + else + bname = fn; + + asprintf(&fnout, "%s.out", bname); + if (fnout == NULL) + errx(1, "malloc"); + + fout = fopen(fnout, "w"); + if (fout == NULL) + err(1, "fopen: output file"); + + while (fgets(buf, sizeof(buf), f) != NULL) { + char *ptr, *class, *type, *tag, *length, *data, *foo; + int ret, l, c, ty, ta; + unsigned char p[6], *pdata; + size_t sz; + + line++; + + buf[strcspn(buf, "\r\n")] = '\0'; + if (buf[0] == '#' || buf[0] == '\0') + continue; + + ptr = buf; + while (isspace((unsigned char)*ptr)) + ptr++; + + class = strtok_r(ptr, " \t\n", &foo); + if (class == NULL) errx(1, "class missing on line %lu", line); + type = strtok_r(NULL, " \t\n", &foo); + if (type == NULL) errx(1, "type missing on line %lu", line); + tag = strtok_r(NULL, " \t\n", &foo); + if (tag == NULL) errx(1, "tag missing on line %lu", line); + length = strtok_r(NULL, " \t\n", &foo); + if (length == NULL) errx(1, "length missing on line %lu", line); + data = strtok_r(NULL, " \t\n", &foo); + + c = der_get_class_num(class); + if (c == -1) errx(1, "no valid class on line %lu", line); + ty = der_get_type_num(type); + if (ty == -1) errx(1, "no valid type on line %lu", line); + ta = der_get_tag_num(tag); + if (ta == -1) + ta = atoi(tag); + + l = atoi(length); + + printf("line: %3lu offset: %3lu class: %d type: %d " + "tag: %3d length: %3d %s\n", + line, (unsigned long)offset, c, ty, ta, l, + data ? "<have data>" : "<no data>"); + + ret = der_put_length_and_tag(p + sizeof(p) - 1, sizeof(p), + l, + c, + ty, + ta, + &sz); + if (ret) + errx(1, "der_put_length_and_tag: %d", ret); + + if (fwrite(p + sizeof(p) - sz , sz, 1, fout) != 1) + err(1, "fwrite length/tag failed"); + offset += sz; + + if (data) { + size_t datalen; + + datalen = strlen(data) / 2; + pdata = emalloc(sz); + + if (hex_decode(data, pdata, datalen) != datalen) + errx(1, "failed to decode data"); + + if (fwrite(pdata, datalen, 1, fout) != 1) + err(1, "fwrite data failed"); + offset += datalen; + + free(pdata); + } + } + printf("line: eof offset: %lu\n", (unsigned long)offset); + + fclose(fout); + fclose(f); + return 0; +} + + +static int version_flag; +static int help_flag; +struct getargs args[] = { + { "version", 0, arg_flag, &version_flag }, + { "help", 0, arg_flag, &help_flag } +}; +int num_args = sizeof(args) / sizeof(args[0]); + +static void +usage(int code) +{ + arg_printusage(args, num_args, NULL, "parse-file"); + exit(code); +} + +int +main(int argc, char **argv) +{ + int optidx = 0; + + setprogname (argv[0]); + + if(getarg(args, num_args, argc, argv, &optidx)) + usage(1); + if(help_flag) + usage(0); + if(version_flag) { + print_version(NULL); + exit(0); + } + argv += optidx; + argc -= optidx; + if (argc != 1) + usage (1); + + return doit (argv[0]); +} |
