diff options
Diffstat (limited to 'apps/asn1pars.c')
-rw-r--r-- | apps/asn1pars.c | 692 |
1 files changed, 338 insertions, 354 deletions
diff --git a/apps/asn1pars.c b/apps/asn1pars.c index df29efef7e..7a0f169432 100644 --- a/apps/asn1pars.c +++ b/apps/asn1pars.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,15 +49,16 @@ * 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. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ -/* A nice addition from Dr Stephen Henson <steve@openssl.org> to - * add the -strparse option which parses nested binary structures +/* + * A nice addition from Dr Stephen Henson <steve@openssl.org> to add the + * -strparse option which parses nested binary structures */ #include <stdio.h> @@ -70,377 +71,360 @@ #include <openssl/pem.h> /*- - * -inform arg - input format - default PEM (DER or PEM) - * -in arg - input file - default stdin - * -i - indent the details by depth - * -offset - where in the file to start - * -length - how many bytes to use - * -oid file - extra oid description file + * -inform arg - input format - default PEM (DER or PEM) + * -in arg - input file - default stdin + * -i - indent the details by depth + * -offset - where in the file to start + * -length - how many bytes to use + * -oid file - extra oid description file */ #undef PROG -#define PROG asn1parse_main +#define PROG asn1parse_main int MAIN(int, char **); static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf); int MAIN(int argc, char **argv) - { - int i,badops=0,offset=0,ret=1,j; - unsigned int length=0; - long num,tmplen; - BIO *in=NULL,*out=NULL,*b64=NULL, *derout = NULL; - int informat,indent=0, noout = 0, dump = 0; - char *infile=NULL,*str=NULL,*prog,*oidfile=NULL, *derfile=NULL; - char *genstr=NULL, *genconf=NULL; - unsigned char *tmpbuf; - const unsigned char *ctmpbuf; - BUF_MEM *buf=NULL; - STACK_OF(OPENSSL_STRING) *osk=NULL; - ASN1_TYPE *at=NULL; - - informat=FORMAT_PEM; - - apps_startup(); - - if (bio_err == NULL) - if ((bio_err=BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); - - if (!load_config(bio_err, NULL)) - goto end; - - prog=argv[0]; - argc--; - argv++; - if ((osk=sk_OPENSSL_STRING_new_null()) == NULL) - { - BIO_printf(bio_err,"Memory allocation failure\n"); - goto end; - } - while (argc >= 1) - { - if (strcmp(*argv,"-inform") == 0) - { - if (--argc < 1) goto bad; - informat=str2fmt(*(++argv)); - } - else if (strcmp(*argv,"-in") == 0) - { - if (--argc < 1) goto bad; - infile= *(++argv); - } - else if (strcmp(*argv,"-out") == 0) - { - if (--argc < 1) goto bad; - derfile= *(++argv); - } - else if (strcmp(*argv,"-i") == 0) - { - indent=1; - } - else if (strcmp(*argv,"-noout") == 0) noout = 1; - else if (strcmp(*argv,"-oid") == 0) - { - if (--argc < 1) goto bad; - oidfile= *(++argv); - } - else if (strcmp(*argv,"-offset") == 0) - { - if (--argc < 1) goto bad; - offset= atoi(*(++argv)); - } - else if (strcmp(*argv,"-length") == 0) - { - if (--argc < 1) goto bad; - length= atoi(*(++argv)); - if (length == 0) goto bad; - } - else if (strcmp(*argv,"-dump") == 0) - { - dump= -1; - } - else if (strcmp(*argv,"-dlimit") == 0) - { - if (--argc < 1) goto bad; - dump= atoi(*(++argv)); - if (dump <= 0) goto bad; - } - else if (strcmp(*argv,"-strparse") == 0) - { - if (--argc < 1) goto bad; - sk_OPENSSL_STRING_push(osk,*(++argv)); - } - else if (strcmp(*argv,"-genstr") == 0) - { - if (--argc < 1) goto bad; - genstr= *(++argv); - } - else if (strcmp(*argv,"-genconf") == 0) - { - if (--argc < 1) goto bad; - genconf= *(++argv); - } - else - { - BIO_printf(bio_err,"unknown option %s\n",*argv); - badops=1; - break; - } - argc--; - argv++; - } - - if (badops) - { -bad: - BIO_printf(bio_err,"%s [options] <infile\n",prog); - BIO_printf(bio_err,"where options are\n"); - BIO_printf(bio_err," -inform arg input format - one of DER PEM\n"); - BIO_printf(bio_err," -in arg input file\n"); - BIO_printf(bio_err," -out arg output file (output format is always DER\n"); - BIO_printf(bio_err," -noout arg don't produce any output\n"); - BIO_printf(bio_err," -offset arg offset into file\n"); - BIO_printf(bio_err," -length arg length of section in file\n"); - BIO_printf(bio_err," -i indent entries\n"); - BIO_printf(bio_err," -dump dump unknown data in hex form\n"); - BIO_printf(bio_err," -dlimit arg dump the first arg bytes of unknown data in hex form\n"); - BIO_printf(bio_err," -oid file file of extra oid definitions\n"); - BIO_printf(bio_err," -strparse offset\n"); - BIO_printf(bio_err," a series of these can be used to 'dig' into multiple\n"); - BIO_printf(bio_err," ASN1 blob wrappings\n"); - BIO_printf(bio_err," -genstr str string to generate ASN1 structure from\n"); - BIO_printf(bio_err," -genconf file file to generate ASN1 structure from\n"); - goto end; - } - - ERR_load_crypto_strings(); - - in=BIO_new(BIO_s_file()); - out=BIO_new(BIO_s_file()); - if ((in == NULL) || (out == NULL)) - { - ERR_print_errors(bio_err); - goto end; - } - BIO_set_fp(out,stdout,BIO_NOCLOSE|BIO_FP_TEXT); +{ + int i, badops = 0, offset = 0, ret = 1, j; + unsigned int length = 0; + long num, tmplen; + BIO *in = NULL, *out = NULL, *b64 = NULL, *derout = NULL; + int informat, indent = 0, noout = 0, dump = 0; + char *infile = NULL, *str = NULL, *prog, *oidfile = NULL, *derfile = NULL; + char *genstr = NULL, *genconf = NULL; + unsigned char *tmpbuf; + const unsigned char *ctmpbuf; + BUF_MEM *buf = NULL; + STACK_OF(OPENSSL_STRING) *osk = NULL; + ASN1_TYPE *at = NULL; + + informat = FORMAT_PEM; + + apps_startup(); + + if (bio_err == NULL) + if ((bio_err = BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); + + if (!load_config(bio_err, NULL)) + goto end; + + prog = argv[0]; + argc--; + argv++; + if ((osk = sk_OPENSSL_STRING_new_null()) == NULL) { + BIO_printf(bio_err, "Memory allocation failure\n"); + goto end; + } + while (argc >= 1) { + if (strcmp(*argv, "-inform") == 0) { + if (--argc < 1) + goto bad; + informat = str2fmt(*(++argv)); + } else if (strcmp(*argv, "-in") == 0) { + if (--argc < 1) + goto bad; + infile = *(++argv); + } else if (strcmp(*argv, "-out") == 0) { + if (--argc < 1) + goto bad; + derfile = *(++argv); + } else if (strcmp(*argv, "-i") == 0) { + indent = 1; + } else if (strcmp(*argv, "-noout") == 0) + noout = 1; + else if (strcmp(*argv, "-oid") == 0) { + if (--argc < 1) + goto bad; + oidfile = *(++argv); + } else if (strcmp(*argv, "-offset") == 0) { + if (--argc < 1) + goto bad; + offset = atoi(*(++argv)); + } else if (strcmp(*argv, "-length") == 0) { + if (--argc < 1) + goto bad; + length = atoi(*(++argv)); + if (length == 0) + goto bad; + } else if (strcmp(*argv, "-dump") == 0) { + dump = -1; + } else if (strcmp(*argv, "-dlimit") == 0) { + if (--argc < 1) + goto bad; + dump = atoi(*(++argv)); + if (dump <= 0) + goto bad; + } else if (strcmp(*argv, "-strparse") == 0) { + if (--argc < 1) + goto bad; + sk_OPENSSL_STRING_push(osk, *(++argv)); + } else if (strcmp(*argv, "-genstr") == 0) { + if (--argc < 1) + goto bad; + genstr = *(++argv); + } else if (strcmp(*argv, "-genconf") == 0) { + if (--argc < 1) + goto bad; + genconf = *(++argv); + } else { + BIO_printf(bio_err, "unknown option %s\n", *argv); + badops = 1; + break; + } + argc--; + argv++; + } + + if (badops) { + bad: + BIO_printf(bio_err, "%s [options] <infile\n", prog); + BIO_printf(bio_err, "where options are\n"); + BIO_printf(bio_err, " -inform arg input format - one of DER PEM\n"); + BIO_printf(bio_err, " -in arg input file\n"); + BIO_printf(bio_err, + " -out arg output file (output format is always DER\n"); + BIO_printf(bio_err, " -noout arg don't produce any output\n"); + BIO_printf(bio_err, " -offset arg offset into file\n"); + BIO_printf(bio_err, " -length arg length of section in file\n"); + BIO_printf(bio_err, " -i indent entries\n"); + BIO_printf(bio_err, " -dump dump unknown data in hex form\n"); + BIO_printf(bio_err, + " -dlimit arg dump the first arg bytes of unknown data in hex form\n"); + BIO_printf(bio_err, " -oid file file of extra oid definitions\n"); + BIO_printf(bio_err, " -strparse offset\n"); + BIO_printf(bio_err, + " a series of these can be used to 'dig' into multiple\n"); + BIO_printf(bio_err, " ASN1 blob wrappings\n"); + BIO_printf(bio_err, + " -genstr str string to generate ASN1 structure from\n"); + BIO_printf(bio_err, + " -genconf file file to generate ASN1 structure from\n"); + goto end; + } + + ERR_load_crypto_strings(); + + in = BIO_new(BIO_s_file()); + out = BIO_new(BIO_s_file()); + if ((in == NULL) || (out == NULL)) { + ERR_print_errors(bio_err); + goto end; + } + BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); #ifdef OPENSSL_SYS_VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } + { + BIO *tmpbio = BIO_new(BIO_f_linebuffer()); + out = BIO_push(tmpbio, out); + } #endif - if (oidfile != NULL) - { - if (BIO_read_filename(in,oidfile) <= 0) - { - BIO_printf(bio_err,"problems opening %s\n",oidfile); - ERR_print_errors(bio_err); - goto end; - } - OBJ_create_objects(in); - } - - if (infile == NULL) - BIO_set_fp(in,stdin,BIO_NOCLOSE); - else - { - if (BIO_read_filename(in,infile) <= 0) - { - perror(infile); - goto end; - } - } - - if (derfile) { - if(!(derout = BIO_new_file(derfile, "wb"))) { - BIO_printf(bio_err,"problems opening %s\n",derfile); - ERR_print_errors(bio_err); - goto end; - } - } - - if ((buf=BUF_MEM_new()) == NULL) goto end; - if (!BUF_MEM_grow(buf,BUFSIZ*8)) goto end; /* Pre-allocate :-) */ - - if (genstr || genconf) - { - num = do_generate(bio_err, genstr, genconf, buf); - if (num < 0) - { - ERR_print_errors(bio_err); - goto end; - } - } - - else - { - - if (informat == FORMAT_PEM) - { - BIO *tmp; - - if ((b64=BIO_new(BIO_f_base64())) == NULL) - goto end; - BIO_push(b64,in); - tmp=in; - in=b64; - b64=tmp; - } - - num=0; - for (;;) - { - if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end; - i=BIO_read(in,&(buf->data[num]),BUFSIZ); - if (i <= 0) break; - num+=i; - } - } - str=buf->data; - - /* If any structs to parse go through in sequence */ - - if (sk_OPENSSL_STRING_num(osk)) - { - tmpbuf=(unsigned char *)str; - tmplen=num; - for (i=0; i<sk_OPENSSL_STRING_num(osk); i++) - { - ASN1_TYPE *atmp; - int typ; - j=atoi(sk_OPENSSL_STRING_value(osk,i)); - if (j == 0) - { - BIO_printf(bio_err,"'%s' is an invalid number\n",sk_OPENSSL_STRING_value(osk,i)); - continue; - } - tmpbuf+=j; - tmplen-=j; - atmp = at; - ctmpbuf = tmpbuf; - at = d2i_ASN1_TYPE(NULL,&ctmpbuf,tmplen); - ASN1_TYPE_free(atmp); - if(!at) - { - BIO_printf(bio_err,"Error parsing structure\n"); - ERR_print_errors(bio_err); - goto end; - } - typ = ASN1_TYPE_get(at); - if ((typ == V_ASN1_OBJECT) - || (typ == V_ASN1_NULL)) - { - BIO_printf(bio_err, "Can't parse %s type\n", - typ == V_ASN1_NULL ? "NULL" : "OBJECT"); - ERR_print_errors(bio_err); - goto end; - } - /* hmm... this is a little evil but it works */ - tmpbuf=at->value.asn1_string->data; - tmplen=at->value.asn1_string->length; - } - str=(char *)tmpbuf; - num=tmplen; - } - - if (offset >= num) - { - BIO_printf(bio_err, "Error: offset too large\n"); - goto end; - } - - num -= offset; - - if ((length == 0) || ((long)length > num)) length=(unsigned int)num; - if(derout) { - if(BIO_write(derout, str + offset, length) != (int)length) { - BIO_printf(bio_err, "Error writing output\n"); - ERR_print_errors(bio_err); - goto end; - } - } - if (!noout && - !ASN1_parse_dump(out,(unsigned char *)&(str[offset]),length, - indent,dump)) - { - ERR_print_errors(bio_err); - goto end; - } - ret=0; -end: - BIO_free(derout); - if (in != NULL) BIO_free(in); - if (out != NULL) BIO_free_all(out); - if (b64 != NULL) BIO_free(b64); - if (ret != 0) - ERR_print_errors(bio_err); - if (buf != NULL) BUF_MEM_free(buf); - if (at != NULL) ASN1_TYPE_free(at); - if (osk != NULL) sk_OPENSSL_STRING_free(osk); - OBJ_cleanup(); - apps_shutdown(); - OPENSSL_EXIT(ret); - } + if (oidfile != NULL) { + if (BIO_read_filename(in, oidfile) <= 0) { + BIO_printf(bio_err, "problems opening %s\n", oidfile); + ERR_print_errors(bio_err); + goto end; + } + OBJ_create_objects(in); + } + + if (infile == NULL) + BIO_set_fp(in, stdin, BIO_NOCLOSE); + else { + if (BIO_read_filename(in, infile) <= 0) { + perror(infile); + goto end; + } + } + + if (derfile) { + if (!(derout = BIO_new_file(derfile, "wb"))) { + BIO_printf(bio_err, "problems opening %s\n", derfile); + ERR_print_errors(bio_err); + goto end; + } + } + + if ((buf = BUF_MEM_new()) == NULL) + goto end; + if (!BUF_MEM_grow(buf, BUFSIZ * 8)) + goto end; /* Pre-allocate :-) */ + + if (genstr || genconf) { + num = do_generate(bio_err, genstr, genconf, buf); + if (num < 0) { + ERR_print_errors(bio_err); + goto end; + } + } + + else { + + if (informat == FORMAT_PEM) { + BIO *tmp; + + if ((b64 = BIO_new(BIO_f_base64())) == NULL) + goto end; + BIO_push(b64, in); + tmp = in; + in = b64; + b64 = tmp; + } + + num = 0; + for (;;) { + if (!BUF_MEM_grow(buf, (int)num + BUFSIZ)) + goto end; + i = BIO_read(in, &(buf->data[num]), BUFSIZ); + if (i <= 0) + break; + num += i; + } + } + str = buf->data; + + /* If any structs to parse go through in sequence */ + + if (sk_OPENSSL_STRING_num(osk)) { + tmpbuf = (unsigned char *)str; + tmplen = num; + for (i = 0; i < sk_OPENSSL_STRING_num(osk); i++) { + ASN1_TYPE *atmp; + int typ; + j = atoi(sk_OPENSSL_STRING_value(osk, i)); + if (j == 0) { + BIO_printf(bio_err, "'%s' is an invalid number\n", + sk_OPENSSL_STRING_value(osk, i)); + continue; + } + tmpbuf += j; + tmplen -= j; + atmp = at; + ctmpbuf = tmpbuf; + at = d2i_ASN1_TYPE(NULL, &ctmpbuf, tmplen); + ASN1_TYPE_free(atmp); + if (!at) { + BIO_printf(bio_err, "Error parsing structure\n"); + ERR_print_errors(bio_err); + goto end; + } + typ = ASN1_TYPE_get(at); + if ((typ == V_ASN1_OBJECT) + || (typ == V_ASN1_NULL)) { + BIO_printf(bio_err, "Can't parse %s type\n", + typ == V_ASN1_NULL ? "NULL" : "OBJECT"); + ERR_print_errors(bio_err); + goto end; + } + /* hmm... this is a little evil but it works */ + tmpbuf = at->value.asn1_string->data; + tmplen = at->value.asn1_string->length; + } + str = (char *)tmpbuf; + num = tmplen; + } + + if (offset >= num) { + BIO_printf(bio_err, "Error: offset too large\n"); + goto end; + } + + num -= offset; + + if ((length == 0) || ((long)length > num)) + length = (unsigned int)num; + if (derout) { + if (BIO_write(derout, str + offset, length) != (int)length) { + BIO_printf(bio_err, "Error writing output\n"); + ERR_print_errors(bio_err); + goto end; + } + } + if (!noout && + !ASN1_parse_dump(out, (unsigned char *)&(str[offset]), length, + indent, dump)) { + ERR_print_errors(bio_err); + goto end; + } + ret = 0; + end: + BIO_free(derout); + if (in != NULL) + BIO_free(in); + if (out != NULL) + BIO_free_all(out); + if (b64 != NULL) + BIO_free(b64); + if (ret != 0) + ERR_print_errors(bio_err); + if (buf != NULL) + BUF_MEM_free(buf); + if (at != NULL) + ASN1_TYPE_free(at); + if (osk != NULL) + sk_OPENSSL_STRING_free(osk); + OBJ_cleanup(); + apps_shutdown(); + OPENSSL_EXIT(ret); +} static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf) - { - CONF *cnf = NULL; - int len; - long errline; - unsigned char *p; - ASN1_TYPE *atyp = NULL; +{ + CONF *cnf = NULL; + int len; + long errline; + unsigned char *p; + ASN1_TYPE *atyp = NULL; - if (genconf) - { - cnf = NCONF_new(NULL); - if (!NCONF_load(cnf, genconf, &errline)) - goto conferr; - if (!genstr) - genstr = NCONF_get_string(cnf, "default", "asn1"); - if (!genstr) - { - BIO_printf(bio, "Can't find 'asn1' in '%s'\n", genconf); - goto err; - } - } + if (genconf) { + cnf = NCONF_new(NULL); + if (!NCONF_load(cnf, genconf, &errline)) + goto conferr; + if (!genstr) + genstr = NCONF_get_string(cnf, "default", "asn1"); + if (!genstr) { + BIO_printf(bio, "Can't find 'asn1' in '%s'\n", genconf); + goto err; + } + } - atyp = ASN1_generate_nconf(genstr, cnf); - NCONF_free(cnf); - cnf = NULL; + atyp = ASN1_generate_nconf(genstr, cnf); + NCONF_free(cnf); + cnf = NULL; - if (!atyp) - return -1; + if (!atyp) + return -1; - len = i2d_ASN1_TYPE(atyp, NULL); + len = i2d_ASN1_TYPE(atyp, NULL); - if (len <= 0) - goto err; + if (len <= 0) + goto err; - if (!BUF_MEM_grow(buf,len)) - goto err; + if (!BUF_MEM_grow(buf, len)) + goto err; - p=(unsigned char *)buf->data; + p = (unsigned char *)buf->data; - i2d_ASN1_TYPE(atyp, &p); + i2d_ASN1_TYPE(atyp, &p); - ASN1_TYPE_free(atyp); - return len; + ASN1_TYPE_free(atyp); + return len; - conferr: + conferr: - if (errline > 0) - BIO_printf(bio, "Error on line %ld of config file '%s'\n", - errline, genconf); - else - BIO_printf(bio, "Error loading config file '%s'\n", genconf); + if (errline > 0) + BIO_printf(bio, "Error on line %ld of config file '%s'\n", + errline, genconf); + else + BIO_printf(bio, "Error loading config file '%s'\n", genconf); - err: - NCONF_free(cnf); - ASN1_TYPE_free(atyp); + err: + NCONF_free(cnf); + ASN1_TYPE_free(atyp); - return -1; + return -1; - } +} |