diff options
Diffstat (limited to 'crypto/asn1')
84 files changed, 16416 insertions, 16760 deletions
diff --git a/crypto/asn1/a_bitstr.c b/crypto/asn1/a_bitstr.c index 4ca4a5638e..1b2f608e60 100644 --- a/crypto/asn1/a_bitstr.c +++ b/crypto/asn1/a_bitstr.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 @@ -49,7 +49,7 @@ * 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 @@ -61,193 +61,202 @@ #include <openssl/asn1.h> int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len) -{ return M_ASN1_BIT_STRING_set(x, d, len); } +{ + return M_ASN1_BIT_STRING_set(x, d, len); +} int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) - { - int ret,j,bits,len; - unsigned char *p,*d; - - if (a == NULL) return(0); - - len=a->length; - - if (len > 0) - { - if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) - { - bits=(int)a->flags&0x07; - } - else - { - for ( ; len > 0; len--) - { - if (a->data[len-1]) break; - } - j=a->data[len-1]; - if (j & 0x01) bits=0; - else if (j & 0x02) bits=1; - else if (j & 0x04) bits=2; - else if (j & 0x08) bits=3; - else if (j & 0x10) bits=4; - else if (j & 0x20) bits=5; - else if (j & 0x40) bits=6; - else if (j & 0x80) bits=7; - else bits=0; /* should not happen */ - } - } - else - bits=0; - - ret=1+len; - if (pp == NULL) return(ret); - - p= *pp; - - *(p++)=(unsigned char)bits; - d=a->data; - memcpy(p,d,len); - p+=len; - if (len > 0) p[-1]&=(0xff<<bits); - *pp=p; - return(ret); - } +{ + int ret, j, bits, len; + unsigned char *p, *d; + + if (a == NULL) + return (0); + + len = a->length; + + if (len > 0) { + if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) { + bits = (int)a->flags & 0x07; + } else { + for (; len > 0; len--) { + if (a->data[len - 1]) + break; + } + j = a->data[len - 1]; + if (j & 0x01) + bits = 0; + else if (j & 0x02) + bits = 1; + else if (j & 0x04) + bits = 2; + else if (j & 0x08) + bits = 3; + else if (j & 0x10) + bits = 4; + else if (j & 0x20) + bits = 5; + else if (j & 0x40) + bits = 6; + else if (j & 0x80) + bits = 7; + else + bits = 0; /* should not happen */ + } + } else + bits = 0; + + ret = 1 + len; + if (pp == NULL) + return (ret); + + p = *pp; + + *(p++) = (unsigned char)bits; + d = a->data; + memcpy(p, d, len); + p += len; + if (len > 0) + p[-1] &= (0xff << bits); + *pp = p; + return (ret); +} ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, - const unsigned char **pp, long len) - { - ASN1_BIT_STRING *ret=NULL; - const unsigned char *p; - unsigned char *s; - int i; - - if (len < 1) - { - i=ASN1_R_STRING_TOO_SHORT; - goto err; - } - - if ((a == NULL) || ((*a) == NULL)) - { - if ((ret=M_ASN1_BIT_STRING_new()) == NULL) return(NULL); - } - else - ret=(*a); - - p= *pp; - i= *(p++); - if (i > 7) - { - i=ASN1_R_INVALID_BIT_STRING_BITS_LEFT; - goto err; - } - /* We do this to preserve the settings. If we modify - * the settings, via the _set_bit function, we will recalculate - * on output */ - ret->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear */ - ret->flags|=(ASN1_STRING_FLAG_BITS_LEFT|i); /* set */ - - if (len-- > 1) /* using one because of the bits left byte */ - { - s=(unsigned char *)OPENSSL_malloc((int)len); - if (s == NULL) - { - i=ERR_R_MALLOC_FAILURE; - goto err; - } - memcpy(s,p,(int)len); - s[len-1]&=(0xff<<i); - p+=len; - } - else - s=NULL; - - ret->length=(int)len; - if (ret->data != NULL) OPENSSL_free(ret->data); - ret->data=s; - ret->type=V_ASN1_BIT_STRING; - if (a != NULL) (*a)=ret; - *pp=p; - return(ret); -err: - ASN1err(ASN1_F_C2I_ASN1_BIT_STRING,i); - if ((ret != NULL) && ((a == NULL) || (*a != ret))) - M_ASN1_BIT_STRING_free(ret); - return(NULL); - } - -/* These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de> + const unsigned char **pp, long len) +{ + ASN1_BIT_STRING *ret = NULL; + const unsigned char *p; + unsigned char *s; + int i; + + if (len < 1) { + i = ASN1_R_STRING_TOO_SHORT; + goto err; + } + + if ((a == NULL) || ((*a) == NULL)) { + if ((ret = M_ASN1_BIT_STRING_new()) == NULL) + return (NULL); + } else + ret = (*a); + + p = *pp; + i = *(p++); + if (i > 7) { + i = ASN1_R_INVALID_BIT_STRING_BITS_LEFT; + goto err; + } + /* + * We do this to preserve the settings. If we modify the settings, via + * the _set_bit function, we will recalculate on output + */ + ret->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear */ + ret->flags |= (ASN1_STRING_FLAG_BITS_LEFT | i); /* set */ + + if (len-- > 1) { /* using one because of the bits left byte */ + s = (unsigned char *)OPENSSL_malloc((int)len); + if (s == NULL) { + i = ERR_R_MALLOC_FAILURE; + goto err; + } + memcpy(s, p, (int)len); + s[len - 1] &= (0xff << i); + p += len; + } else + s = NULL; + + ret->length = (int)len; + if (ret->data != NULL) + OPENSSL_free(ret->data); + ret->data = s; + ret->type = V_ASN1_BIT_STRING; + if (a != NULL) + (*a) = ret; + *pp = p; + return (ret); + err: + ASN1err(ASN1_F_C2I_ASN1_BIT_STRING, i); + if ((ret != NULL) && ((a == NULL) || (*a != ret))) + M_ASN1_BIT_STRING_free(ret); + return (NULL); +} + +/* + * These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de> */ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value) - { - int w,v,iv; - unsigned char *c; - - w=n/8; - v=1<<(7-(n&0x07)); - iv= ~v; - if (!value) v=0; - - if (a == NULL) - return 0; - - a->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); /* clear, set on write */ - - if ((a->length < (w+1)) || (a->data == NULL)) - { - if (!value) return(1); /* Don't need to set */ - if (a->data == NULL) - c=(unsigned char *)OPENSSL_malloc(w+1); - else - c=(unsigned char *)OPENSSL_realloc_clean(a->data, - a->length, - w+1); - if (c == NULL) - { - ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT,ERR_R_MALLOC_FAILURE); - return 0; - } - if (w+1-a->length > 0) memset(c+a->length, 0, w+1-a->length); - a->data=c; - a->length=w+1; - } - a->data[w]=((a->data[w])&iv)|v; - while ((a->length > 0) && (a->data[a->length-1] == 0)) - a->length--; - return(1); - } +{ + int w, v, iv; + unsigned char *c; + + w = n / 8; + v = 1 << (7 - (n & 0x07)); + iv = ~v; + if (!value) + v = 0; + + if (a == NULL) + return 0; + + a->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear, set on write */ + + if ((a->length < (w + 1)) || (a->data == NULL)) { + if (!value) + return (1); /* Don't need to set */ + if (a->data == NULL) + c = (unsigned char *)OPENSSL_malloc(w + 1); + else + c = (unsigned char *)OPENSSL_realloc_clean(a->data, + a->length, w + 1); + if (c == NULL) { + ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT, ERR_R_MALLOC_FAILURE); + return 0; + } + if (w + 1 - a->length > 0) + memset(c + a->length, 0, w + 1 - a->length); + a->data = c; + a->length = w + 1; + } + a->data[w] = ((a->data[w]) & iv) | v; + while ((a->length > 0) && (a->data[a->length - 1] == 0)) + a->length--; + return (1); +} int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n) - { - int w,v; +{ + int w, v; - w=n/8; - v=1<<(7-(n&0x07)); - if ((a == NULL) || (a->length < (w+1)) || (a->data == NULL)) - return(0); - return((a->data[w]&v) != 0); - } + w = n / 8; + v = 1 << (7 - (n & 0x07)); + if ((a == NULL) || (a->length < (w + 1)) || (a->data == NULL)) + return (0); + return ((a->data[w] & v) != 0); +} /* - * Checks if the given bit string contains only bits specified by + * Checks if the given bit string contains only bits specified by * the flags vector. Returns 0 if there is at least one bit set in 'a' * which is not specified in 'flags', 1 otherwise. * 'len' is the length of 'flags'. */ int ASN1_BIT_STRING_check(const ASN1_BIT_STRING *a, - const unsigned char *flags, int flags_len) - { - int i, ok; - /* Check if there is one bit set at all. */ - if (!a || !a->data) return 1; - - /* Check each byte of the internal representation of the bit string. */ - ok = 1; - for (i = 0; i < a->length && ok; ++i) - { - unsigned char mask = i < flags_len ? ~flags[i] : 0xff; |