diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/x509/x509_obj.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/x509/x509_obj.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/x509/x509_obj.c b/openssl-1.1.0h/crypto/x509/x509_obj.c new file mode 100644 index 0000000..55dc778 --- /dev/null +++ b/openssl-1.1.0h/crypto/x509/x509_obj.c @@ -0,0 +1,182 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "internal/cryptlib.h" +#include <openssl/lhash.h> +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/buffer.h> +#include "internal/x509_int.h" + +/* + * Limit to ensure we don't overflow: much greater than + * anything encountered in practice. + */ + +#define NAME_ONELINE_MAX (1024 * 1024) + +char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len) +{ + const X509_NAME_ENTRY *ne; + int i; + int n, lold, l, l1, l2, num, j, type; + const char *s; + char *p; + unsigned char *q; + BUF_MEM *b = NULL; + static const char hex[17] = "0123456789ABCDEF"; + int gs_doit[4]; + char tmp_buf[80]; +#ifdef CHARSET_EBCDIC + unsigned char ebcdic_buf[1024]; +#endif + + if (buf == NULL) { + if ((b = BUF_MEM_new()) == NULL) + goto err; + if (!BUF_MEM_grow(b, 200)) + goto err; + b->data[0] = '\0'; + len = 200; + } else if (len == 0) { + return NULL; + } + if (a == NULL) { + if (b) { + buf = b->data; + OPENSSL_free(b); + } + strncpy(buf, "NO X509_NAME", len); + buf[len - 1] = '\0'; + return buf; + } + + len--; /* space for '\0' */ + l = 0; + for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { + ne = sk_X509_NAME_ENTRY_value(a->entries, i); + n = OBJ_obj2nid(ne->object); + if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { + i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); + s = tmp_buf; + } + l1 = strlen(s); + + type = ne->value->type; + num = ne->value->length; + if (num > NAME_ONELINE_MAX) { + X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); + goto end; + } + q = ne->value->data; +#ifdef CHARSET_EBCDIC + if (type == V_ASN1_GENERALSTRING || + type == V_ASN1_VISIBLESTRING || + type == V_ASN1_PRINTABLESTRING || + type == V_ASN1_TELETEXSTRING || + type == V_ASN1_IA5STRING) { + if (num > (int)sizeof(ebcdic_buf)) + num = sizeof(ebcdic_buf); + ascii2ebcdic(ebcdic_buf, q, num); + q = ebcdic_buf; + } +#endif + + if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { + gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; + for (j = 0; j < num; j++) + if (q[j] != 0) + gs_doit[j & 3] = 1; + + if (gs_doit[0] | gs_doit[1] | gs_doit[2]) + gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; + else { + gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; + gs_doit[3] = 1; + } + } else + gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; + + for (l2 = j = 0; j < num; j++) { + if (!gs_doit[j & 3]) + continue; + l2++; +#ifndef CHARSET_EBCDIC + if ((q[j] < ' ') || (q[j] > '~')) + l2 += 3; +#else + if ((os_toascii[q[j]] < os_toascii[' ']) || + (os_toascii[q[j]] > os_toascii['~'])) + l2 += 3; +#endif + } + + lold = l; + l += 1 + l1 + 1 + l2; + if (l > NAME_ONELINE_MAX) { + X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); + goto end; + } + if (b != NULL) { + if (!BUF_MEM_grow(b, l + 1)) + goto err; + p = &(b->data[lold]); + } else if (l > len) { + break; + } else + p = &(buf[lold]); + *(p++) = '/'; + memcpy(p, s, (unsigned int)l1); + p += l1; + *(p++) = '='; + +#ifndef CHARSET_EBCDIC /* q was assigned above already. */ + q = ne->value->data; +#endif + + for (j = 0; j < num; j++) { + if (!gs_doit[j & 3]) + continue; +#ifndef CHARSET_EBCDIC + n = q[j]; + if ((n < ' ') || (n > '~')) { + *(p++) = '\\'; + *(p++) = 'x'; + *(p++) = hex[(n >> 4) & 0x0f]; + *(p++) = hex[n & 0x0f]; + } else + *(p++) = n; +#else + n = os_toascii[q[j]]; + if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { + *(p++) = '\\'; + *(p++) = 'x'; + *(p++) = hex[(n >> 4) & 0x0f]; + *(p++) = hex[n & 0x0f]; + } else + *(p++) = q[j]; +#endif + } + *p = '\0'; + } + if (b != NULL) { + p = b->data; + OPENSSL_free(b); + } else + p = buf; + if (i == 0) + *p = '\0'; + return (p); + err: + X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); + end: + BUF_MEM_free(b); + return (NULL); +} |