diff options
Diffstat (limited to 'openssl/apps/enc.c')
| -rw-r--r-- | openssl/apps/enc.c | 1220 |
1 files changed, 592 insertions, 628 deletions
diff --git a/openssl/apps/enc.c b/openssl/apps/enc.c index c8cb02122..5c2cf7a4a 100644 --- a/openssl/apps/enc.c +++ b/openssl/apps/enc.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 @@ -68,679 +68,643 @@ #include <openssl/rand.h> #include <openssl/pem.h> #ifndef OPENSSL_NO_COMP -#include <openssl/comp.h> +# include <openssl/comp.h> #endif #include <ctype.h> -int set_hex(char *in,unsigned char *out,int size); +int set_hex(char *in, unsigned char *out, int size); #undef SIZE #undef BSIZE #undef PROG -#define SIZE (512) -#define BSIZE (8*1024) -#define PROG enc_main +#define SIZE (512) +#define BSIZE (8*1024) +#define PROG enc_main -static void show_ciphers(const OBJ_NAME *name,void *bio_) - { - BIO *bio=bio_; - static int n; +static void show_ciphers(const OBJ_NAME *name, void *bio_) +{ + BIO *bio = bio_; + static int n; - if(!islower((unsigned char)*name->name)) - return; + if (!islower((unsigned char)*name->name)) + return; - BIO_printf(bio,"-%-25s",name->name); - if(++n == 3) - { - BIO_printf(bio,"\n"); - n=0; - } - else - BIO_printf(bio," "); - } + BIO_printf(bio, "-%-25s", name->name); + if (++n == 3) { + BIO_printf(bio, "\n"); + n = 0; + } else + BIO_printf(bio, " "); +} int MAIN(int, char **); int MAIN(int argc, char **argv) - { - static const char magic[]="Salted__"; - char mbuf[sizeof magic-1]; - char *strbuf=NULL; - unsigned char *buff=NULL,*bufsize=NULL; - int bsize=BSIZE,verbose=0; - int ret=1,inl; - int nopad = 0; - unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH]; - unsigned char salt[PKCS5_SALT_LEN]; - char *str=NULL, *passarg = NULL, *pass = NULL; - char *hkey=NULL,*hiv=NULL,*hsalt = NULL; - char *md=NULL; - int enc=1,printkey=0,i,base64=0; +{ + static const char magic[] = "Salted__"; + char mbuf[sizeof magic - 1]; + char *strbuf = NULL; + unsigned char *buff = NULL, *bufsize = NULL; + int bsize = BSIZE, verbose = 0; + int ret = 1, inl; + int nopad = 0; + unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; + unsigned char salt[PKCS5_SALT_LEN]; + char *str = NULL, *passarg = NULL, *pass = NULL; + char *hkey = NULL, *hiv = NULL, *hsalt = NULL; + char *md = NULL; + int enc = 1, printkey = 0, i, base64 = 0; #ifdef ZLIB - int do_zlib=0; - BIO *bzl = NULL; + int do_zlib = 0; + BIO *bzl = NULL; #endif - int debug=0,olb64=0,nosalt=0; - const EVP_CIPHER *cipher=NULL,*c; - EVP_CIPHER_CTX *ctx = NULL; - char *inf=NULL,*outf=NULL; - BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL; + int debug = 0, olb64 = 0, nosalt = 0; + const EVP_CIPHER *cipher = NULL, *c; + EVP_CIPHER_CTX *ctx = NULL; + char *inf = NULL, *outf = NULL; + BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio = + NULL, *wbio = NULL; #define PROG_NAME_SIZE 39 - char pname[PROG_NAME_SIZE+1]; + char pname[PROG_NAME_SIZE + 1]; #ifndef OPENSSL_NO_ENGINE - char *engine = NULL; + char *engine = NULL; #endif - const EVP_MD *dgst=NULL; - int non_fips_allow = 0; + const EVP_MD *dgst = NULL; + int non_fips_allow = 0; - apps_startup(); + 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 (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; + if (!load_config(bio_err, NULL)) + goto end; - /* first check the program name */ - program_name(argv[0],pname,sizeof pname); - if (strcmp(pname,"base64") == 0) - base64=1; + /* first check the program name */ + program_name(argv[0], pname, sizeof pname); + if (strcmp(pname, "base64") == 0) + base64 = 1; #ifdef ZLIB - if (strcmp(pname,"zlib") == 0) - do_zlib=1; + if (strcmp(pname, "zlib") == 0) + do_zlib = 1; #endif - cipher=EVP_get_cipherbyname(pname); + cipher = EVP_get_cipherbyname(pname); #ifdef ZLIB - if (!do_zlib && !base64 && (cipher == NULL) - && (strcmp(pname,"enc") != 0)) + if (!do_zlib && !base64 && (cipher == NULL) + && (strcmp(pname, "enc") != 0)) #else - if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0)) + if (!base64 && (cipher == NULL) && (strcmp(pname, "enc") != 0)) #endif - { - BIO_printf(bio_err,"%s is an unknown cipher\n",pname); - goto bad; - } - - argc--; - argv++; - while (argc >= 1) - { - if (strcmp(*argv,"-e") == 0) - enc=1; - else if (strcmp(*argv,"-in") == 0) - { - if (--argc < 1) goto bad; - inf= *(++argv); - } - else if (strcmp(*argv,"-out") == 0) - { - if (--argc < 1) goto bad; - outf= *(++argv); - } - else if (strcmp(*argv,"-pass") == 0) - { - if (--argc < 1) goto bad; - passarg= *(++argv); - } + { + BIO_printf(bio_err, "%s is an unknown cipher\n", pname); + goto bad; + } + + argc--; + argv++; + while (argc >= 1) { + if (strcmp(*argv, "-e") == 0) + enc = 1; + else if (strcmp(*argv, "-in") == 0) { + if (--argc < 1) + goto bad; + inf = *(++argv); + } else if (strcmp(*argv, "-out") == 0) { + if (--argc < 1) + goto bad; + outf = *(++argv); + } else if (strcmp(*argv, "-pass") == 0) { + if (--argc < 1) + goto bad; + passarg = *(++argv); + } #ifndef OPENSSL_NO_ENGINE - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto bad; - engine= *(++argv); - } + else if (strcmp(*argv, "-engine") == 0) { + if (--argc < 1) + goto bad; + engine = *(++argv); + } #endif - else if (strcmp(*argv,"-d") == 0) - enc=0; - else if (strcmp(*argv,"-p") == 0) - printkey=1; - else if (strcmp(*argv,"-v") == 0) - verbose=1; - else if (strcmp(*argv,"-nopad") == 0) - nopad=1; - else if (strcmp(*argv,"-salt") == 0) - nosalt=0; - else if (strcmp(*argv,"-nosalt") == 0) - nosalt=1; - else if (strcmp(*argv,"-debug") == 0) - debug=1; - else if (strcmp(*argv,"-P") == 0) - printkey=2; - else if (strcmp(*argv,"-A") == 0) - olb64=1; - else if (strcmp(*argv,"-a") == 0) - base64=1; - else if (strcmp(*argv,"-base64") == 0) - base64=1; + else if (strcmp(*argv, "-d") == 0) + enc = 0; + else if (strcmp(*argv, "-p") == 0) + printkey = 1; + else if (strcmp(*argv, "-v") == 0) + verbose = 1; + else if (strcmp(*argv, "-nopad") == 0) + nopad = 1; + else if (strcmp(*argv, "-salt") == 0) + nosalt = 0; + else if (strcmp(*argv, "-nosalt") == 0) + nosalt = 1; + else if (strcmp(*argv, "-debug") == 0) + debug = 1; + else if (strcmp(*argv, "-P") == 0) + printkey = 2; + else if (strcmp(*argv, "-A") == 0) + olb64 = 1; + else if (strcmp(*argv, "-a") == 0) + base64 = 1; + else if (strcmp(*argv, "-base64") == 0) + base64 = 1; #ifdef ZLIB - else if (strcmp(*argv,"-z") == 0) - do_zlib=1; + else if (strcmp(*argv, "-z") == 0) + do_zlib = 1; #endif - else if (strcmp(*argv,"-bufsize") == 0) - { - if (--argc < 1) goto bad; - bufsize=(unsigned char *)*(++argv); - } - else if (strcmp(*argv,"-k") == 0) - { - if (--argc < 1) goto bad; - str= *(++argv); - } - else if (strcmp(*argv,"-kfile") == 0) - { - static char buf[128]; - FILE *infile; - char *file; - - if (--argc < 1) goto bad; - file= *(++argv); - infile=fopen(file,"r"); - if (infile == NULL) - { - BIO_printf(bio_err,"unable to read key from '%s'\n", - file); - goto bad; - } - buf[0]='\0'; - if (!fgets(buf,sizeof buf,infile)) - { - BIO_printf(bio_err,"unable to read key from '%s'\n", - file); - goto bad; - } - fclose(infile); - i=strlen(buf); - if ((i > 0) && - ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) - buf[--i]='\0'; - if ((i > 0) && - ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) - buf[--i]='\0'; - if (i < 1) - { - BIO_printf(bio_err,"zero length password\n"); - goto bad; - } - str=buf; - } - else if (strcmp(*argv,"-K") == 0) - { - if (--argc < 1) goto bad; - hkey= *(++argv); - } - else if (strcmp(*argv,"-S") == 0) - { - if (--argc < 1) goto bad; - hsalt= *(++argv); - } - else if (strcmp(*argv,"-iv") == 0) - { - if (--argc < 1) goto bad; - hiv= *(++argv); - } - else if (strcmp(*argv,"-md") == 0) - { - if (--argc < 1) goto bad; - md= *(++argv); - } - else if (strcmp(*argv,"-non-fips-allow") == 0) - non_fips_allow = 1; - else if ((argv[0][0] == '-') && - ((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) - { - cipher=c; - } - else if (strcmp(*argv,"-none") == 0) - cipher=NULL; - else - { - BIO_printf(bio_err,"unknown option '%s'\n",*argv); -bad: - BIO_printf(bio_err,"options are\n"); - BIO_printf(bio_err,"%-14s input file\n","-in <file>"); - BIO_printf(bio_err,"%-14s output file\n","-out <file>"); - BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>"); - BIO_printf(bio_err,"%-14s encrypt\n","-e"); - BIO_printf(bio_err,"%-14s decrypt\n","-d"); - BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64"); - BIO_printf(bio_err,"%-14s passphrase is the next argument\n","-k"); - BIO_printf(bio_err,"%-14s passphrase is the first line of the file argument\n","-kfile"); - BIO_printf(bio_err,"%-14s the next argument is the md to use to create a key\n","-md"); - BIO_printf(bio_err,"%-14s from a passphrase. One of md2, md5, sha or sha1\n",""); - BIO_printf(bio_err,"%-14s salt in hex is the next argument\n","-S"); - BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv"); - BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]"); - BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>"); - BIO_printf(bio_err,"%-14s disable standard block padding\n","-nopad"); + else if (strcmp(*argv, "-bufsize") == 0) { + if (--argc < 1) + goto bad; + bufsize = (unsigned char *)*(++argv); + } else if (strcmp(*argv, "-k") == 0) { + if (--argc < 1) + goto bad; + str = *(++argv); + } else if (strcmp(*argv, "-kfile") == 0) { + static char buf[128]; + FILE *infile; + char *file; + + if (--argc < 1) + goto bad; + file = *(++argv); + infile = fopen(file, "r"); + if (infile == NULL) { + BIO_printf(bio_err, "unable to read key from '%s'\n", file); + goto bad; + } + buf[0] = '\0'; + if (!fgets(buf, sizeof buf, infile)) { + BIO_printf(bio_err, "unable to read key from '%s'\n", file); + goto bad; + } + fclose(infile); + i = strlen(buf); + if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r'))) + buf[--i] = '\0'; + if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r'))) + buf[--i] = '\0'; + if (i < 1) { + BIO_printf(bio_err, "zero length password\n"); + goto bad; + } + str = buf; + } else if (strcmp(*argv, "-K") == 0) { + if (--argc < 1) + goto bad; + hkey = *(++argv); + } else if (strcmp(*argv, "-S") == 0) { + if (--argc < 1) + goto bad; + hsalt = *(++argv); + } else if (strcmp(*argv, "-iv") == 0) { + if (--argc < 1) + goto bad; + hiv = *(++argv); + } else if (strcmp(*argv, "-md") == 0) { + if (--argc < 1) + goto bad; + md = *(++argv); + } else if (strcmp(*argv, "-non-fips-allow") == 0) + non_fips_allow = 1; + else if ((argv[0][0] == '-') && + ((c = EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) { + cipher = c; + } else if (strcmp(*argv, "-none") == 0) + cipher = NULL; + else { + BIO_printf(bio_err, "unknown option '%s'\n", *argv); + bad: + BIO_printf(bio_err, "options are\n"); + BIO_printf(bio_err, "%-14s input file\n", "-in <file>"); + BIO_printf(bio_err, "%-14s output file\n", "-out <file>"); + BIO_printf(bio_err, "%-14s pass phrase source\n", "-pass <arg>"); + BIO_printf(bio_err, "%-14s encrypt\n", "-e"); + BIO_printf(bio_err, "%-14s decrypt\n", "-d"); + BIO_printf(bio_err, + "%-14s base64 encode/decode, depending on encryption flag\n", + "-a/-base64"); + BIO_printf(bio_err, "%-14s passphrase is the next argument\n", + "-k"); + BIO_printf(bio_err, + "%-14s passphrase is the first line of the file argument\n", + "-kfile"); + BIO_printf(bio_err, + "%-14s the next argument is the md to use to create a key\n", + "-md"); + BIO_printf(bio_err, + "%-14s from a passphrase. One of md2, md5, sha or sha1\n", + ""); + BIO_printf(bio_err, "%-14s salt in hex is the next argument\n", + "-S"); + BIO_printf(bio_err, "%-14s key/iv in hex is the next argument\n", + "-K/-iv"); + BIO_printf(bio_err, "%-14s print the iv/key (then exit if -P)\n", + "-[pP]"); + BIO_printf(bio_err, "%-14s buffer size\n", "-bufsize <n>"); + BIO_printf(bio_err, "%-14s disable standard block padding\n", + "-nopad"); #ifndef OPENSSL_NO_ENGINE - BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e"); + BIO_printf(bio_err, + "%-14s use engine e, possibly a hardware device.\n", + "-engine e"); #endif - BIO_printf(bio_err,"Cipher Types\n"); - OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, - show_ciphers, - bio_err); - BIO_printf(bio_err,"\n"); + BIO_printf(bio_err, "Cipher Types\n"); + OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, + show_ciphers, bio_err); + BIO_printf(bio_err, "\n"); - goto end; - } - argc--; - argv++; - } + goto end; + } + argc--; + argv++; + } #ifndef OPENSSL_NO_ENGINE - setup_engine(bio_err, engine, 0); + setup_engine(bio_err, engine, 0); #endif - if (cipher && EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) - { - BIO_printf(bio_err, "AEAD ciphers not supported by the enc utility\n"); - goto end; - } - - if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE)) - { - BIO_printf(bio_err, "Ciphers in XTS mode are not supported by the enc utility\n"); - goto end; - } - - if (md && (dgst=EVP_get_digestbyname(md)) == NULL) - { - BIO_printf(bio_err,"%s is an unsupported message digest type\n",md); - goto end; - } - - if (dgst == NULL) - { - dgst = EVP_md5(); - } - - if (bufsize != NULL) - { - unsigned long n; - - for (n=0; *bufsize; bufsize++) - { - i= *bufsize; - if ((i <= '9') && (i >= '0')) - n=n*10+i-'0'; - else if (i == 'k') - { - n*=1024; - bufsize++; - break; - } - } - if (*bufsize != '\0') - { - BIO_printf(bio_err,"invalid 'bufsize' specified.\n"); - goto end; - } - - /* It must be large enough for a base64 encoded line */ - if (base64 && n < 80) n=80; - - bsize=(int)n; - if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize); - } - - strbuf=OPENSSL_malloc(SIZE); - buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); - if ((buff == NULL) || (strbuf == NULL)) - { - BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize)); - goto end; - } - - in=BIO_new(BIO_s_file()); - out=BIO_new(BIO_s_file()); - if ((in == NULL) || (out == NULL)) - { - ERR_print_errors(bio_err); - goto end; - } - if (debug) - { - BIO_set_callback(in,BIO_debug_callback); - BIO_set_callback(out,BIO_debug_callback); - BIO_set_callback_arg(in,(char *)bio_err); - BIO_set_callback_arg(out,(char *)bio_err); - } - - if (inf == NULL) - { + if (cipher && EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) { + BIO_printf(bio_err, + "AEAD ciphers not supported by the enc utility\n"); + goto end; + } + + if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE)) { + BIO_printf(bio_err, + "Ciphers in XTS mode are not supported by the enc utility\n"); + goto end; + } + + if (md && (dgst = EVP_get_digestbyname(md)) == NULL) { + BIO_printf(bio_err, "%s is an unsupported message digest type\n", md); + goto end; + } + + if (dgst == NULL) { + dgst = EVP_md5(); + } + + if (bufsize != NULL) { + unsigned long n; + + for (n = 0; *bufsize; bufsize++) { + i = *bufsize; + if ((i <= '9') && (i >= '0')) + n = n * 10 + i - '0'; + else if (i == 'k') { + n *= 1024; + bufsize++; + break; + } + } + if (*bufsize != '\0') { + BIO_printf(bio_err, "invalid 'bufsize' specified.\n"); + goto end; + } + + /* It must be large enough for a base64 encoded line */ + if (base64 && n < 80) + n = 80; + + bsize = (int)n; + if (verbose) + BIO_printf(bio_err, "bufsize=%d\n", bsize); + } + + strbuf = OPENSSL_malloc(SIZE); + buff = (unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); + if ((buff == NULL) || (strbuf == NULL)) { + BIO_printf(bio_err, "OPENSSL_malloc failure %ld\n", + (long)EVP_ENCODE_LENGTH(bsize)); + goto end; + } + + in = BIO_new(BIO_s_file()); + out = BIO_new(BIO_s_file()); + if ((in == NULL) || (out == NULL)) { + ERR_print_errors(bio_err); + goto end; + } + if (debug) { + BIO_set_callback(in, BIO_debug_callback); + BIO_set_callback(out, BIO_debug_callback); + BIO_set_callback_arg(in, (char *)bio_err); + BIO_set_callback_arg(out, (char *)bio_err); + } + + if (inf == NULL) { #ifndef OPENSSL_NO_SETVBUF_IONBF - if (bufsize != NULL) - setvbuf(stdin, (char *)NULL, _IONBF, 0); -#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ - BIO_set_fp(in,stdin,BIO_NOCLOSE); - } - else - { - if (BIO_read_filename(in,inf) <= 0) - { - perror(inf); - goto end; - } - } - - if(!str && passarg) { - if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { - BIO_printf(bio_err, "Error getting password\n"); - goto end; - } - str = pass; - } - - if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) - { - for (;;) - { - char buf[200]; - - BIO_snprintf(buf,sizeof buf,"enter %s %s password:", - OBJ_nid2ln(EVP_CIPHER_nid(cipher)), - (enc)?"encryption":"decryption"); - strbuf[0]='\0'; - i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc); - if (i == 0) - { - if (strbuf[0] == '\0') - { - ret=1; - goto end; - } - str=strbuf; - break; - } - if (i < 0) - { - BIO_printf(bio_err,"bad password read\n"); - goto end; - } - } - } - - - if (outf == NULL) - { - BIO_set_fp(out,stdout,BIO_NOCLOSE); + if (bufsize != NULL) + setvbuf(stdin, (char *)NULL, _IONBF, 0); +#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ + BIO_set_fp(in, stdin, BIO_NOCLOSE); + } else { + if (BIO_read_filename(in, inf) <= 0) { + perror(inf); + goto end; + } + } + + if (!str && passarg) { + if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } + str = pass; + } + + if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) { + for (;;) { + char buf[200]; + + BIO_snprintf(buf, sizeof buf, "enter %s %s password:", + OBJ_nid2ln(EVP_CIPHER_nid(cipher)), + (enc) ? "encryption" : "decryption"); + strbuf[0] = '\0'; + i = EVP_read_pw_string((char *)strbuf, SIZE, buf, enc); + if (i == 0) { + if (strbuf[0] == '\0') { + ret = 1; + goto end; + } + str = strbuf; + break; + } + if (i < 0) { + BIO_printf(bio_err, "bad password read\n"); + goto end; + } + } + } + + if (outf == NULL) { + BIO_set_fp(out, stdout, BIO_NOCLOSE); #ifndef OPENSSL_NO_SETVBUF_IONBF - if (bufsize != NULL) - setvbuf(stdout, (char *)NULL, _IONBF, 0); -#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ + if (bufsize != NULL) + setvbuf(stdout, (char *)NULL, _IONBF, 0); +#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ #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 - } - else - { - if (BIO_write_filename(out,outf) <= 0) - { - perror(outf); - goto end; - } - } - - rbio=in; - wbio=out; + } else { + if (BIO_write_filename(out, outf) <= 0) { + perror(outf); + goto end; + } + } + + rbio = in; + wbio = out; #ifdef ZLIB - if (do_zlib) - { - if ((bzl=BIO_new(BIO_f_zlib())) == NULL) - goto end; - if (enc) - wbio=BIO_push(bzl,wbio); - else - rbio=BIO_push(bzl,rbio); - } + if (do_zlib) { + if ((bzl = BIO_new(BIO_f_zlib())) == NULL) + goto end; + if (enc) + wbio = BIO_push(bzl, wbio); + else + rbio = BIO_push(bzl, rbio); + } #endif - if (base64) - { - if ((b64=BIO_new(BIO_f_base64())) == NULL) - goto end; - if (debug) - { - BIO_set_callback(b64,BIO_debug_callback); - BIO_set_callback_arg(b64,(char *)bio_err); - } - if (olb64) - BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL); - if (enc) - wbio=BIO_push(b64,wbio); - else - rbio=BIO_push(b64,rbio); - } - - if (cipher != NULL) - { - /* Note that str is NULL if a key was passed on the command - * line, so we get no salt in that case. Is this a bug? - */ - if (str != NULL) - { - /* Salt handling: if encrypting generate a salt and - * write to output BIO. If decrypting read salt from - * input BIO. - */ - unsigned char *sptr; - if(nosalt) sptr = NULL; - else { - if(enc) { - if(hsalt) { - if(!set_hex(hsalt,salt,sizeof salt)) { - BIO_printf(bio_err, - "invalid hex salt value\n"); - goto end; - } - } else if (RAND_pseudo_bytes(salt, sizeof salt) < 0) - goto end; - /* If -P option then don't bother writing */ - if((printkey != 2) - && (BIO_write(wbio,magic, - sizeof magic-1) != sizeof magic-1 - || BIO_write(wbio, - (char *)salt, - sizeof salt) != sizeof salt)) { - BIO_printf(bio_err,"error writing output file\n"); - goto end; - } - } else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf - || BIO_read(rbio, - (unsigned char *)salt, - sizeof salt) != sizeof salt) { - BIO_printf(bio_err,"error reading input file\n"); - goto end; - } else if(memcmp(mbuf,magic,sizeof magic-1)) { - BIO_printf(bio_err,"bad magic number\n"); - goto end; - } - - sptr = salt; - } - - EVP_BytesToKey(cipher,dgst,sptr, - (unsigned char *)str, - strlen(str),1,key,iv); - /* zero the complete buffer or the string - * passed from the command line - * bug picked up by - * Larry J. Hughes Jr. <hughes@indiana.edu> */ - if (str == strbuf) - OPENSSL_cleanse(str,SIZE); - else - OPENSSL_cleanse(str,strlen(str)); - } - if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv)) - { - BIO_printf(bio_err,"invalid hex iv value\n"); - goto end; - } - if ((hiv == NULL) && (str == NULL) - && EVP_CIPHER_iv_length(cipher) != 0) - { - /* No IV was explicitly set and no IV was generated - * during EVP_BytesToKey. Hence the IV is undefined, - * making correct decryption impossible. */ - BIO_printf(bio_err, "iv undefined\n"); - goto end; - } - if ((hkey != NULL) && !set_hex(hkey,key,sizeof key)) - { - BIO_printf(bio_err,"invalid hex key value\n"); - goto end; - } - - if ((benc=BIO_new(BIO_f_cipher())) == NULL) - goto end; - - /* Since we may be changing parameters work on the encryption - * context rather than calling BIO_set_cipher(). - */ - - BIO_get_cipher_ctx(benc, &ctx); - - if (non_fips_allow) - EVP_CIPHER_CTX_set_flags(ctx, - EVP_CIPH_FLAG_NON_FIPS_ALLOW); - - if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) - { - BIO_printf(bio_err, "Error setting cipher %s\n", - EVP_CIPHER_name(cipher)); - ERR_print_errors(bio_err); - goto end; - } - - if (nopad) - EVP_CIPHER_CTX_set_padding(ctx, 0); - - if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) - { - BIO_printf(bio_err, "Error setting cipher %s\n", - EVP_CIPHER_name(cipher)); - ERR_print_errors(bio_err); - goto end; - } - - if (debug) - { - BIO_set_callback(benc,BIO_debug_callback); - BIO_set_callback_arg(benc,(char *)bio_err); - } - - if (printkey) - { - if (!nosalt) - { - printf("salt="); - for (i=0; i<(int)sizeof(salt); i++) - printf("%02X",salt[i]); - printf("\n"); - } - if (cipher->key_len > 0) - { - printf("key="); - for (i=0; i<cipher->key_len; i++) - printf("%02X",key[i]); - printf("\n"); - } - if (cipher->iv_len > 0) - { - printf("iv ="); - for (i=0; i<cipher->iv_len; i++) - printf("%02X",iv[i]); - printf("\n"); - } - if (printkey == 2) - { - ret=0; - goto end; - } - } - } - - /* Only encrypt/decrypt as we write the file */ - if (benc != NULL) - wbio=BIO_push(benc,wbio); - - for (;;) - { - inl=BIO_read(rbio,(char *)buff,bsize); - if (inl <= 0) break; - if (BIO_write(wbio,(char *)buff,inl) != inl) - { - BIO_printf(bio_err,"error writing output file\n"); - goto end; - } - } - if (!BIO_flush(wbio)) - { - BIO_printf(bio_err,"bad decrypt\n"); - goto end; - } - - ret=0; - if (verbose) - { - BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in)); - BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out)); - } -end: - ERR_print_errors(bio_err); - if (strbuf != NULL) OPENSSL_free(strbuf); - if (buff != NULL) OPENSSL_free(buff); - if (in != NULL) BIO_free(in); - if (out != NULL) BIO_free_all(out); - if (benc != NULL) BIO_free(benc); - if (b64 != NULL) BIO_free(b64); + if (base64) { + if ((b64 = BIO_new(BIO_f_base64())) == NULL) + goto end; + if (debug) { + BIO_set_callback(b64, BIO_debug_callback); + BIO_set_callback_arg(b64, (char *)bio_err); + } + if (olb64) + BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); + if (enc) + wbio = BIO_push(b64, wbio); + else + rbio = BIO_push(b64, rbio); + } + + if (cipher != NULL) { + /* + * Note that str is NULL if a key was passed on the command line, so + * we get no salt in that case. Is this a bug? + */ + if (str != NULL) { + /* + * Salt handling: if encrypting generate a salt and write to + * output BIO. If decrypting read salt from input BIO. + */ + unsigned char *sptr; + if (nosalt) + sptr = NULL; + else { + if (enc) { + if (hsalt) { + if (!set_hex(hsalt, salt, sizeof salt)) { + BIO_printf(bio_err, "invalid hex salt value\n"); + goto end; + } + } else if (RAND_pseudo_bytes(salt, sizeof salt) < 0) + goto end; + /* + * If -P option then don't bother writing + */ + if ((printkey != 2) + && (BIO_write(wbio, magic, + sizeof magic - 1) != sizeof magic - 1 + || BIO_write(wbio, + (char *)salt, + sizeof salt) != sizeof salt)) { + BIO_printf(bio_err, "error writing output file\n"); + goto end; + } + } else if (BIO_read(rbio, mbuf, sizeof mbuf) != sizeof mbuf + || BIO_read(rbio, + (unsigned char *)salt, + sizeof salt) != sizeof salt) { + BIO_printf(bio_err, "error reading input file\n"); + goto end; + } else if (memcmp(mbuf, magic, sizeof magic - 1)) { + BIO_printf(bio_err, "bad magic number\n"); + goto end; + } + + sptr = salt; + } + + EVP_BytesToKey(cipher, dgst, sptr, + (unsigned char *)str, strlen(str), 1, key, iv); + /* + * zero the complete buffer or the string passed from the command + * line bug picked up by Larry J. Hughes Jr. <hughes@indiana.edu> + */ + if (str == strbuf) + OPENSSL_cleanse(str, SIZE); + else + OPENSSL_cleanse(str, strlen(str)); + } + if ((hiv != NULL) && !set_hex(hiv, iv, sizeof iv)) { + BIO_printf(bio_err, "invalid hex iv value\n"); + goto end; + } + if ((hiv == NULL) && (str == NULL) + && EVP_CIPHER_iv_length(cipher) != 0) { + /* + * No IV was explicitly set and no IV was generated during + * EVP_BytesToKey. Hence the IV is undefined, making correct + * decryption impossible. + */ + BIO_printf(bio_err, "iv undefined\n"); + goto end; + } + if ((hkey != NULL) && !set_hex(hkey, key, sizeof key)) { + BIO_printf(bio_err, "invalid hex key value\n"); + goto end; + } + + if ((benc = BIO_new(BIO_f_cipher())) == NULL) + goto end; + + /* + * Since we may be changing parameters work on the encryption context + * rather than calling BIO_set_cipher(). + */ + + BIO_get_cipher_ctx(benc, &ctx); + + if (non_fips_allow) + EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPH_FLAG_NON_FIPS_ALLOW); + + if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) { + BIO_printf(bio_err, "Error setting cipher %s\n", + EVP_CIPHER_name(cipher)); + ERR_print_errors(bio_err); + goto end; + } + + if (nopad) + EVP_CIPHER_CTX_set_padding(ctx, 0); + + if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) { + BIO_printf(bio_err, "Error setting cipher %s\n", + EVP_CIPHER_name(cipher)); + ERR_print_errors(bio_err); + goto end; + } + + if (debug) { + BIO_set_callback(benc, BIO_debug_callback); + BIO_set_callback_arg(benc, (char *)bio_err); + } + + if (printkey) { + if (!nosalt) { + printf("salt="); + for (i = 0; i < (int)sizeof(salt); i++) + printf("%02X", salt[i]); + printf("\n"); + } + if (cipher->key_len > 0) { + printf("key="); + for (i = 0; i < cipher->key_len; i++) + printf("%02X", key[i]); + printf("\n"); + } + if (cipher->iv_len > 0) { + printf("iv ="); + for (i = 0; i < cipher->iv_len; i++) + printf("%02X", iv[i]); + printf("\n"); + } + if (printkey == 2) { + ret = 0; + goto end; + } + } + } + + /* Only encrypt/decrypt as we write the file */ + if (benc != NULL) + wbio = BIO_push(benc, wbio); + + for (;;) { + inl = BIO_read(rbio, (char *)buff, bsize); + if (inl <= 0) + break; + if (BIO_write(wbio, (char *)buff, inl) != inl) { + BIO_printf(bio_err, "error writing output file\n"); + goto end; + } + } + if (!BIO_flush(wbio)) { + BIO_printf(bio_err, "bad decrypt\n"); + goto end; + } + + ret = 0; + if (verbose) { + BIO_printf(bio_err, "bytes read :%8ld\n", BIO_number_read(in)); + BIO_printf(bio_err, "bytes written:%8ld\n", BIO_number_written(out)); + } + end: + ERR_print_errors(bio_err); + if (strbuf != NULL) + OPENSSL_free(strbuf); + if (buff != NULL) + OPENSSL_free(buff); + if (in != NULL) + BIO_free(in); + if (out != NULL) + BIO_free_all(out); + if (benc != NULL) + BIO_free(benc); + if (b64 != NULL) + BIO_free(b64); #ifdef ZLIB - if (bzl != NULL) BIO_free(bzl); + if (bzl != NULL) + BIO_free(bzl); #endif - if(pass) OPENSSL_free(pass); - apps_shutdown(); - OPENSSL_EXIT(ret); - } + if (pass) + OPENSSL_free(pass); + apps_shutdown(); + OPENSSL_EXIT(ret); +} int set_hex(char *in, unsigned char *out, int size) - { - int i,n; - unsigned char j; - - n=strlen(in); - if (n > (size*2)) - { - BIO_printf(bio_err,"hex string is too long\n"); - return(0); - } - memset(out,0,size); - for (i=0; i<n; i++) - { - j=(unsigned char)*in; - *(in++)='\0'; - if (j == 0) break; - if ((j >= '0') && (j <= '9')) - j-='0'; - else if ((j >= 'A') && (j <= 'F')) - j=j-'A'+10; - else if ((j >= 'a') && (j <= 'f')) - j=j-'a'+10; - else - { - BIO_printf(bio_err,"non-hex digit\n"); - return(0); - } - if (i&1) - out[i/2]|=j; - else - out[i/2]=(j<<4); - } - return(1); - } +{ + int i, n; + unsigned char j; + + n = strlen(in); + if (n > (size * 2)) { + BIO_printf(bio_err, "hex string is too long\n"); + return (0); + } + memset(out, 0, size); + for (i = 0; i < n; i++) { + j = (unsigned char)*in; + *(in++) = '\0'; + if (j == 0) + break; + if ((j >= '0') && (j <= '9')) + j -= '0'; + else if ((j >= 'A') && (j <= 'F')) + j = j - 'A' + 10; + else if ((j >= 'a') && (j <= 'f')) + j = j - 'a' + 10; + else { + BIO_printf(bio_err, "non-hex digit\n"); + return (0); + } + if (i & 1) + out[i / 2] |= j; + else + out[i / 2] = (j << 4); + } + return (1); +} |