Index: openssl/crypto/pem/pem_lib.c |
diff --git a/openssl/crypto/pem/pem_lib.c b/openssl/crypto/pem/pem_lib.c |
deleted file mode 100644 |
index 5a421fc4b6ae817ea79c75fed04d035a5270bc62..0000000000000000000000000000000000000000 |
--- a/openssl/crypto/pem/pem_lib.c |
+++ /dev/null |
@@ -1,859 +0,0 @@ |
-/* crypto/pem/pem_lib.c */ |
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
- * All rights reserved. |
- * |
- * 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: |
- * 1. Redistributions of source code must retain the 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. All advertising materials mentioning features or use of this software |
- * must display the following acknowledgement: |
- * "This product includes cryptographic software written by |
- * 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 |
- * 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 |
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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. |
- * |
- * 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.] |
- */ |
- |
-#include <stdio.h> |
-#include <ctype.h> |
-#include "cryptlib.h" |
-#include <openssl/buffer.h> |
-#include <openssl/objects.h> |
-#include <openssl/evp.h> |
-#include <openssl/rand.h> |
-#include <openssl/x509.h> |
-#include <openssl/pem.h> |
-#include <openssl/pkcs12.h> |
-#include "asn1_locl.h" |
-#ifndef OPENSSL_NO_DES |
-#include <openssl/des.h> |
-#endif |
-#ifndef OPENSSL_NO_ENGINE |
-#include <openssl/engine.h> |
-#endif |
- |
-const char PEM_version[]="PEM" OPENSSL_VERSION_PTEXT; |
- |
-#define MIN_LENGTH 4 |
- |
-static int load_iv(char **fromp,unsigned char *to, int num); |
-static int check_pem(const char *nm, const char *name); |
-int pem_check_suffix(const char *pem_str, const char *suffix); |
- |
-int PEM_def_callback(char *buf, int num, int w, void *key) |
- { |
-#ifdef OPENSSL_NO_FP_API |
- /* We should not ever call the default callback routine from |
- * windows. */ |
- PEMerr(PEM_F_PEM_DEF_CALLBACK,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); |
- return(-1); |
-#else |
- int i,j; |
- const char *prompt; |
- if(key) { |
- i=strlen(key); |
- i=(i > num)?num:i; |
- memcpy(buf,key,i); |
- return(i); |
- } |
- |
- prompt=EVP_get_pw_prompt(); |
- if (prompt == NULL) |
- prompt="Enter PEM pass phrase:"; |
- |
- for (;;) |
- { |
- i=EVP_read_pw_string_min(buf,MIN_LENGTH,num,prompt,w); |
- if (i != 0) |
- { |
- PEMerr(PEM_F_PEM_DEF_CALLBACK,PEM_R_PROBLEMS_GETTING_PASSWORD); |
- memset(buf,0,(unsigned int)num); |
- return(-1); |
- } |
- j=strlen(buf); |
- if (j < MIN_LENGTH) |
- { |
- fprintf(stderr,"phrase is too short, needs to be at least %d chars\n",MIN_LENGTH); |
- } |
- else |
- break; |
- } |
- return(j); |
-#endif |
- } |
- |
-void PEM_proc_type(char *buf, int type) |
- { |
- const char *str; |
- |
- if (type == PEM_TYPE_ENCRYPTED) |
- str="ENCRYPTED"; |
- else if (type == PEM_TYPE_MIC_CLEAR) |
- str="MIC-CLEAR"; |
- else if (type == PEM_TYPE_MIC_ONLY) |
- str="MIC-ONLY"; |
- else |
- str="BAD-TYPE"; |
- |
- BUF_strlcat(buf,"Proc-Type: 4,",PEM_BUFSIZE); |
- BUF_strlcat(buf,str,PEM_BUFSIZE); |
- BUF_strlcat(buf,"\n",PEM_BUFSIZE); |
- } |
- |
-void PEM_dek_info(char *buf, const char *type, int len, char *str) |
- { |
- static const unsigned char map[17]="0123456789ABCDEF"; |
- long i; |
- int j; |
- |
- BUF_strlcat(buf,"DEK-Info: ",PEM_BUFSIZE); |
- BUF_strlcat(buf,type,PEM_BUFSIZE); |
- BUF_strlcat(buf,",",PEM_BUFSIZE); |
- j=strlen(buf); |
- if (j + (len * 2) + 1 > PEM_BUFSIZE) |
- return; |
- for (i=0; i<len; i++) |
- { |
- buf[j+i*2] =map[(str[i]>>4)&0x0f]; |
- buf[j+i*2+1]=map[(str[i] )&0x0f]; |
- } |
- buf[j+i*2]='\n'; |
- buf[j+i*2+1]='\0'; |
- } |
- |
-#ifndef OPENSSL_NO_FP_API |
-void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x, |
- pem_password_cb *cb, void *u) |
- { |
- BIO *b; |
- void *ret; |
- |
- if ((b=BIO_new(BIO_s_file())) == NULL) |
- { |
- PEMerr(PEM_F_PEM_ASN1_READ,ERR_R_BUF_LIB); |
- return(0); |
- } |
- BIO_set_fp(b,fp,BIO_NOCLOSE); |
- ret=PEM_ASN1_read_bio(d2i,name,b,x,cb,u); |
- BIO_free(b); |
- return(ret); |
- } |
-#endif |
- |
-static int check_pem(const char *nm, const char *name) |
-{ |
- /* Normal matching nm and name */ |
- if (!strcmp(nm,name)) return 1; |
- |
- /* Make PEM_STRING_EVP_PKEY match any private key */ |
- |
- if(!strcmp(name,PEM_STRING_EVP_PKEY)) |
- { |
- int slen; |
- const EVP_PKEY_ASN1_METHOD *ameth; |
- if(!strcmp(nm,PEM_STRING_PKCS8)) |
- return 1; |
- if(!strcmp(nm,PEM_STRING_PKCS8INF)) |
- return 1; |
- slen = pem_check_suffix(nm, "PRIVATE KEY"); |
- if (slen > 0) |
- { |
- /* NB: ENGINE implementations wont contain |
- * a deprecated old private key decode function |
- * so don't look for them. |
- */ |
- ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen); |
- if (ameth && ameth->old_priv_decode) |
- return 1; |
- } |
- return 0; |
- } |
- |
- if(!strcmp(name,PEM_STRING_PARAMETERS)) |
- { |
- int slen; |
- const EVP_PKEY_ASN1_METHOD *ameth; |
- slen = pem_check_suffix(nm, "PARAMETERS"); |
- if (slen > 0) |
- { |
- ENGINE *e; |
- ameth = EVP_PKEY_asn1_find_str(&e, nm, slen); |
- if (ameth) |
- { |
- int r; |
- if (ameth->param_decode) |
- r = 1; |
- else |
- r = 0; |
-#ifndef OPENSSL_NO_ENGINE |
- if (e) |
- ENGINE_finish(e); |
-#endif |
- return r; |
- } |
- } |
- return 0; |
- } |
- |
- /* Permit older strings */ |
- |
- if(!strcmp(nm,PEM_STRING_X509_OLD) && |
- !strcmp(name,PEM_STRING_X509)) return 1; |
- |
- if(!strcmp(nm,PEM_STRING_X509_REQ_OLD) && |
- !strcmp(name,PEM_STRING_X509_REQ)) return 1; |
- |
- /* Allow normal certs to be read as trusted certs */ |
- if(!strcmp(nm,PEM_STRING_X509) && |
- !strcmp(name,PEM_STRING_X509_TRUSTED)) return 1; |
- |
- if(!strcmp(nm,PEM_STRING_X509_OLD) && |
- !strcmp(name,PEM_STRING_X509_TRUSTED)) return 1; |
- |
- /* Some CAs use PKCS#7 with CERTIFICATE headers */ |
- if(!strcmp(nm, PEM_STRING_X509) && |
- !strcmp(name, PEM_STRING_PKCS7)) return 1; |
- |
- if(!strcmp(nm, PEM_STRING_PKCS7_SIGNED) && |
- !strcmp(name, PEM_STRING_PKCS7)) return 1; |
- |
-#ifndef OPENSSL_NO_CMS |
- if(!strcmp(nm, PEM_STRING_X509) && |
- !strcmp(name, PEM_STRING_CMS)) return 1; |
- /* Allow CMS to be read from PKCS#7 headers */ |
- if(!strcmp(nm, PEM_STRING_PKCS7) && |
- !strcmp(name, PEM_STRING_CMS)) return 1; |
-#endif |
- |
- return 0; |
-} |
- |
-int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp, |
- pem_password_cb *cb, void *u) |
- { |
- EVP_CIPHER_INFO cipher; |
- char *nm=NULL,*header=NULL; |
- unsigned char *data=NULL; |
- long len; |
- int ret = 0; |
- |
- for (;;) |
- { |
- if (!PEM_read_bio(bp,&nm,&header,&data,&len)) { |
- if(ERR_GET_REASON(ERR_peek_error()) == |
- PEM_R_NO_START_LINE) |
- ERR_add_error_data(2, "Expecting: ", name); |
- return 0; |
- } |
- if(check_pem(nm, name)) break; |
- OPENSSL_free(nm); |
- OPENSSL_free(header); |
- OPENSSL_free(data); |
- } |
- if (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) goto err; |
- if (!PEM_do_header(&cipher,data,&len,cb,u)) goto err; |
- |
- *pdata = data; |
- *plen = len; |
- |
- if (pnm) |
- *pnm = nm; |
- |
- ret = 1; |
- |
-err: |
- if (!ret || !pnm) OPENSSL_free(nm); |
- OPENSSL_free(header); |
- if (!ret) OPENSSL_free(data); |
- return ret; |
- } |
- |
-#ifndef OPENSSL_NO_FP_API |
-int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp, |
- void *x, const EVP_CIPHER *enc, unsigned char *kstr, |
- int klen, pem_password_cb *callback, void *u) |
- { |
- BIO *b; |
- int ret; |
- |
- if ((b=BIO_new(BIO_s_file())) == NULL) |
- { |
- PEMerr(PEM_F_PEM_ASN1_WRITE,ERR_R_BUF_LIB); |
- return(0); |
- } |
- BIO_set_fp(b,fp,BIO_NOCLOSE); |
- ret=PEM_ASN1_write_bio(i2d,name,b,x,enc,kstr,klen,callback,u); |
- BIO_free(b); |
- return(ret); |
- } |
-#endif |
- |
-int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, |
- void *x, const EVP_CIPHER *enc, unsigned char *kstr, |
- int klen, pem_password_cb *callback, void *u) |
- { |
- EVP_CIPHER_CTX ctx; |
- int dsize=0,i,j,ret=0; |
- unsigned char *p,*data=NULL; |
- const char *objstr=NULL; |
- char buf[PEM_BUFSIZE]; |
- unsigned char key[EVP_MAX_KEY_LENGTH]; |
- unsigned char iv[EVP_MAX_IV_LENGTH]; |
- |
- if (enc != NULL) |
- { |
- objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc)); |
- if (objstr == NULL) |
- { |
- PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER); |
- goto err; |
- } |
- } |
- |
- if ((dsize=i2d(x,NULL)) < 0) |
- { |
- PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_ASN1_LIB); |
- dsize=0; |
- goto err; |
- } |
- /* dzise + 8 bytes are needed */ |
- /* actually it needs the cipher block size extra... */ |
- data=(unsigned char *)OPENSSL_malloc((unsigned int)dsize+20); |
- if (data == NULL) |
- { |
- PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_MALLOC_FAILURE); |
- goto err; |
- } |
- p=data; |
- i=i2d(x,&p); |
- |
- if (enc != NULL) |
- { |
- if (kstr == NULL) |
- { |
- if (callback == NULL) |
- klen=PEM_def_callback(buf,PEM_BUFSIZE,1,u); |
- else |
- klen=(*callback)(buf,PEM_BUFSIZE,1,u); |
- if (klen <= 0) |
- { |
- PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_READ_KEY); |
- goto err; |
- } |
-#ifdef CHARSET_EBCDIC |
- /* Convert the pass phrase from EBCDIC */ |
- ebcdic2ascii(buf, buf, klen); |
-#endif |
- kstr=(unsigned char *)buf; |
- } |
- RAND_add(data,i,0);/* put in the RSA key. */ |
- OPENSSL_assert(enc->iv_len <= (int)sizeof(iv)); |
- if (RAND_pseudo_bytes(iv,enc->iv_len) < 0) /* Generate a salt */ |
- goto err; |
- /* The 'iv' is used as the iv and as a salt. It is |
- * NOT taken from the BytesToKey function */ |
- if (!EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL)) |
- goto err; |
- |
- if (kstr == (unsigned char *)buf) OPENSSL_cleanse(buf,PEM_BUFSIZE); |
- |
- OPENSSL_assert(strlen(objstr)+23+2*enc->iv_len+13 <= sizeof buf); |
- |
- buf[0]='\0'; |
- PEM_proc_type(buf,PEM_TYPE_ENCRYPTED); |
- PEM_dek_info(buf,objstr,enc->iv_len,(char *)iv); |
- /* k=strlen(buf); */ |
- |
- EVP_CIPHER_CTX_init(&ctx); |
- ret = 1; |
- if (!EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv) |
- || !EVP_EncryptUpdate(&ctx,data,&j,data,i) |
- || !EVP_EncryptFinal_ex(&ctx,&(data[j]),&i)) |
- ret = 0; |
- EVP_CIPHER_CTX_cleanup(&ctx); |
- if (ret == 0) |
- goto err; |
- i+=j; |
- } |
- else |
- { |
- ret=1; |
- buf[0]='\0'; |
- } |
- i=PEM_write_bio(bp,name,buf,data,i); |
- if (i <= 0) ret=0; |
-err: |
- OPENSSL_cleanse(key,sizeof(key)); |
- OPENSSL_cleanse(iv,sizeof(iv)); |
- OPENSSL_cleanse((char *)&ctx,sizeof(ctx)); |
- OPENSSL_cleanse(buf,PEM_BUFSIZE); |
- if (data != NULL) |
- { |
- OPENSSL_cleanse(data,(unsigned int)dsize); |
- OPENSSL_free(data); |
- } |
- return(ret); |
- } |
- |
-int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen, |
- pem_password_cb *callback,void *u) |
- { |
- int i,j,o,klen; |
- long len; |
- EVP_CIPHER_CTX ctx; |
- unsigned char key[EVP_MAX_KEY_LENGTH]; |
- char buf[PEM_BUFSIZE]; |
- |
- len= *plen; |
- |
- if (cipher->cipher == NULL) return(1); |
- if (callback == NULL) |
- klen=PEM_def_callback(buf,PEM_BUFSIZE,0,u); |
- else |
- klen=callback(buf,PEM_BUFSIZE,0,u); |
- if (klen <= 0) |
- { |
- PEMerr(PEM_F_PEM_DO_HEADER,PEM_R_BAD_PASSWORD_READ); |
- return(0); |
- } |
-#ifdef CHARSET_EBCDIC |
- /* Convert the pass phrase from EBCDIC */ |
- ebcdic2ascii(buf, buf, klen); |
-#endif |
- |
- if (!EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]), |
- (unsigned char *)buf,klen,1,key,NULL)) |
- return 0; |
- |
- j=(int)len; |
- EVP_CIPHER_CTX_init(&ctx); |
- o = EVP_DecryptInit_ex(&ctx,cipher->cipher,NULL, key,&(cipher->iv[0])); |
- if (o) |
- o = EVP_DecryptUpdate(&ctx,data,&i,data,j); |
- if (o) |
- o = EVP_DecryptFinal_ex(&ctx,&(data[i]),&j); |
- EVP_CIPHER_CTX_cleanup(&ctx); |
- OPENSSL_cleanse((char *)buf,sizeof(buf)); |
- OPENSSL_cleanse((char *)key,sizeof(key)); |
- j+=i; |
- if (!o) |
- { |
- PEMerr(PEM_F_PEM_DO_HEADER,PEM_R_BAD_DECRYPT); |
- return(0); |
- } |
- *plen=j; |
- return(1); |
- } |
- |
-int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher) |
- { |
- const EVP_CIPHER *enc=NULL; |
- char *p,c; |
- char **header_pp = &header; |
- |
- cipher->cipher=NULL; |
- if ((header == NULL) || (*header == '\0') || (*header == '\n')) |
- return(1); |
- if (strncmp(header,"Proc-Type: ",11) != 0) |
- { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_PROC_TYPE); return(0); } |
- header+=11; |
- if (*header != '4') return(0); header++; |
- if (*header != ',') return(0); header++; |
- if (strncmp(header,"ENCRYPTED",9) != 0) |
- { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_ENCRYPTED); return(0); } |
- for (; (*header != '\n') && (*header != '\0'); header++) |
- ; |
- if (*header == '\0') |
- { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_SHORT_HEADER); return(0); } |
- header++; |
- if (strncmp(header,"DEK-Info: ",10) != 0) |
- { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_DEK_INFO); return(0); } |
- header+=10; |
- |
- p=header; |
- for (;;) |
- { |
- c= *header; |
-#ifndef CHARSET_EBCDIC |
- if (!( ((c >= 'A') && (c <= 'Z')) || (c == '-') || |
- ((c >= '0') && (c <= '9')))) |
- break; |
-#else |
- if (!( isupper(c) || (c == '-') || |
- isdigit(c))) |
- break; |
-#endif |
- header++; |
- } |
- *header='\0'; |
- cipher->cipher=enc=EVP_get_cipherbyname(p); |
- *header=c; |
- header++; |
- |
- if (enc == NULL) |
- { |
- PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_UNSUPPORTED_ENCRYPTION); |
- return(0); |
- } |
- if (!load_iv(header_pp,&(cipher->iv[0]),enc->iv_len)) |
- return(0); |
- |
- return(1); |
- } |
- |
-static int load_iv(char **fromp, unsigned char *to, int num) |
- { |
- int v,i; |
- char *from; |
- |
- from= *fromp; |
- for (i=0; i<num; i++) to[i]=0; |
- num*=2; |
- for (i=0; i<num; i++) |
- { |
- if ((*from >= '0') && (*from <= '9')) |
- v= *from-'0'; |
- else if ((*from >= 'A') && (*from <= 'F')) |
- v= *from-'A'+10; |
- else if ((*from >= 'a') && (*from <= 'f')) |
- v= *from-'a'+10; |
- else |
- { |
- PEMerr(PEM_F_LOAD_IV,PEM_R_BAD_IV_CHARS); |
- return(0); |
- } |
- from++; |
- to[i/2]|=v<<(long)((!(i&1))*4); |
- } |
- |
- *fromp=from; |
- return(1); |
- } |
- |
-#ifndef OPENSSL_NO_FP_API |
-int PEM_write(FILE *fp, char *name, char *header, unsigned char *data, |
- long len) |
- { |
- BIO *b; |
- int ret; |
- |
- if ((b=BIO_new(BIO_s_file())) == NULL) |
- { |
- PEMerr(PEM_F_PEM_WRITE,ERR_R_BUF_LIB); |
- return(0); |
- } |
- BIO_set_fp(b,fp,BIO_NOCLOSE); |
- ret=PEM_write_bio(b, name, header, data,len); |
- BIO_free(b); |
- return(ret); |
- } |
-#endif |
- |
-int PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data, |
- long len) |
- { |
- int nlen,n,i,j,outl; |
- unsigned char *buf = NULL; |
- EVP_ENCODE_CTX ctx; |
- int reason=ERR_R_BUF_LIB; |
- |
- EVP_EncodeInit(&ctx); |
- nlen=strlen(name); |
- |
- if ( (BIO_write(bp,"-----BEGIN ",11) != 11) || |
- (BIO_write(bp,name,nlen) != nlen) || |
- (BIO_write(bp,"-----\n",6) != 6)) |
- goto err; |
- |
- i=strlen(header); |
- if (i > 0) |
- { |
- if ( (BIO_write(bp,header,i) != i) || |
- (BIO_write(bp,"\n",1) != 1)) |
- goto err; |
- } |
- |
- buf = OPENSSL_malloc(PEM_BUFSIZE*8); |
- if (buf == NULL) |
- { |
- reason=ERR_R_MALLOC_FAILURE; |
- goto err; |
- } |
- |
- i=j=0; |
- while (len > 0) |
- { |
- n=(int)((len>(PEM_BUFSIZE*5))?(PEM_BUFSIZE*5):len); |
- EVP_EncodeUpdate(&ctx,buf,&outl,&(data[j]),n); |
- if ((outl) && (BIO_write(bp,(char *)buf,outl) != outl)) |
- goto err; |
- i+=outl; |
- len-=n; |
- j+=n; |
- } |
- EVP_EncodeFinal(&ctx,buf,&outl); |
- if ((outl > 0) && (BIO_write(bp,(char *)buf,outl) != outl)) goto err; |
- OPENSSL_cleanse(buf, PEM_BUFSIZE*8); |
- OPENSSL_free(buf); |
- buf = NULL; |
- if ( (BIO_write(bp,"-----END ",9) != 9) || |
- (BIO_write(bp,name,nlen) != nlen) || |
- (BIO_write(bp,"-----\n",6) != 6)) |
- goto err; |
- return(i+outl); |
-err: |
- if (buf) { |
- OPENSSL_cleanse(buf, PEM_BUFSIZE*8); |
- OPENSSL_free(buf); |
- } |
- PEMerr(PEM_F_PEM_WRITE_BIO,reason); |
- return(0); |
- } |
- |
-#ifndef OPENSSL_NO_FP_API |
-int PEM_read(FILE *fp, char **name, char **header, unsigned char **data, |
- long *len) |
- { |
- BIO *b; |
- int ret; |
- |
- if ((b=BIO_new(BIO_s_file())) == NULL) |
- { |
- PEMerr(PEM_F_PEM_READ,ERR_R_BUF_LIB); |
- return(0); |
- } |
- BIO_set_fp(b,fp,BIO_NOCLOSE); |
- ret=PEM_read_bio(b, name, header, data,len); |
- BIO_free(b); |
- return(ret); |
- } |
-#endif |
- |
-int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data, |
- long *len) |
- { |
- EVP_ENCODE_CTX ctx; |
- int end=0,i,k,bl=0,hl=0,nohead=0; |
- char buf[256]; |
- BUF_MEM *nameB; |
- BUF_MEM *headerB; |
- BUF_MEM *dataB,*tmpB; |
- |
- nameB=BUF_MEM_new(); |
- headerB=BUF_MEM_new(); |
- dataB=BUF_MEM_new(); |
- if ((nameB == NULL) || (headerB == NULL) || (dataB == NULL)) |
- { |
- BUF_MEM_free(nameB); |
- BUF_MEM_free(headerB); |
- BUF_MEM_free(dataB); |
- PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); |
- return(0); |
- } |
- |
- buf[254]='\0'; |
- for (;;) |
- { |
- i=BIO_gets(bp,buf,254); |
- |
- if (i <= 0) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,PEM_R_NO_START_LINE); |
- goto err; |
- } |
- |
- while ((i >= 0) && (buf[i] <= ' ')) i--; |
- buf[++i]='\n'; buf[++i]='\0'; |
- |
- if (strncmp(buf,"-----BEGIN ",11) == 0) |
- { |
- i=strlen(&(buf[11])); |
- |
- if (strncmp(&(buf[11+i-6]),"-----\n",6) != 0) |
- continue; |
- if (!BUF_MEM_grow(nameB,i+9)) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); |
- goto err; |
- } |
- memcpy(nameB->data,&(buf[11]),i-6); |
- nameB->data[i-6]='\0'; |
- break; |
- } |
- } |
- hl=0; |
- if (!BUF_MEM_grow(headerB,256)) |
- { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; } |
- headerB->data[0]='\0'; |
- for (;;) |
- { |
- i=BIO_gets(bp,buf,254); |
- if (i <= 0) break; |
- |
- while ((i >= 0) && (buf[i] <= ' ')) i--; |
- buf[++i]='\n'; buf[++i]='\0'; |
- |
- if (buf[0] == '\n') break; |
- if (!BUF_MEM_grow(headerB,hl+i+9)) |
- { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; } |
- if (strncmp(buf,"-----END ",9) == 0) |
- { |
- nohead=1; |
- break; |
- } |
- memcpy(&(headerB->data[hl]),buf,i); |
- headerB->data[hl+i]='\0'; |
- hl+=i; |
- } |
- |
- bl=0; |
- if (!BUF_MEM_grow(dataB,1024)) |
- { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; } |
- dataB->data[0]='\0'; |
- if (!nohead) |
- { |
- for (;;) |
- { |
- i=BIO_gets(bp,buf,254); |
- if (i <= 0) break; |
- |
- while ((i >= 0) && (buf[i] <= ' ')) i--; |
- buf[++i]='\n'; buf[++i]='\0'; |
- |
- if (i != 65) end=1; |
- if (strncmp(buf,"-----END ",9) == 0) |
- break; |
- if (i > 65) break; |
- if (!BUF_MEM_grow_clean(dataB,i+bl+9)) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); |
- goto err; |
- } |
- memcpy(&(dataB->data[bl]),buf,i); |
- dataB->data[bl+i]='\0'; |
- bl+=i; |
- if (end) |
- { |
- buf[0]='\0'; |
- i=BIO_gets(bp,buf,254); |
- if (i <= 0) break; |
- |
- while ((i >= 0) && (buf[i] <= ' ')) i--; |
- buf[++i]='\n'; buf[++i]='\0'; |
- |
- break; |
- } |
- } |
- } |
- else |
- { |
- tmpB=headerB; |
- headerB=dataB; |
- dataB=tmpB; |
- bl=hl; |
- } |
- i=strlen(nameB->data); |
- if ( (strncmp(buf,"-----END ",9) != 0) || |
- (strncmp(nameB->data,&(buf[9]),i) != 0) || |
- (strncmp(&(buf[9+i]),"-----\n",6) != 0)) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_END_LINE); |
- goto err; |
- } |
- |
- EVP_DecodeInit(&ctx); |
- i=EVP_DecodeUpdate(&ctx, |
- (unsigned char *)dataB->data,&bl, |
- (unsigned char *)dataB->data,bl); |
- if (i < 0) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE); |
- goto err; |
- } |
- i=EVP_DecodeFinal(&ctx,(unsigned char *)&(dataB->data[bl]),&k); |
- if (i < 0) |
- { |
- PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE); |
- goto err; |
- } |
- bl+=k; |
- |
- if (bl == 0) goto err; |
- *name=nameB->data; |
- *header=headerB->data; |
- *data=(unsigned char *)dataB->data; |
- *len=bl; |
- OPENSSL_free(nameB); |
- OPENSSL_free(headerB); |
- OPENSSL_free(dataB); |
- return(1); |
-err: |
- BUF_MEM_free(nameB); |
- BUF_MEM_free(headerB); |
- BUF_MEM_free(dataB); |
- return(0); |
- } |
- |
-/* Check pem string and return prefix length. |
- * If for example the pem_str == "RSA PRIVATE KEY" and suffix = "PRIVATE KEY" |
- * the return value is 3 for the string "RSA". |
- */ |
- |
-int pem_check_suffix(const char *pem_str, const char *suffix) |
- { |
- int pem_len = strlen(pem_str); |
- int suffix_len = strlen(suffix); |
- const char *p; |
- if (suffix_len + 1 >= pem_len) |
- return 0; |
- p = pem_str + pem_len - suffix_len; |
- if (strcmp(p, suffix)) |
- return 0; |
- p--; |
- if (*p != ' ') |
- return 0; |
- return p - pem_str; |
- } |
- |