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Diffstat (limited to 'src/lib/libcrypto/pem/pem_lib.c')
-rw-r--r--src/lib/libcrypto/pem/pem_lib.c1036
1 files changed, 532 insertions, 504 deletions
diff --git a/src/lib/libcrypto/pem/pem_lib.c b/src/lib/libcrypto/pem/pem_lib.c
index 93736455fa..9d5d8e714c 100644
--- a/src/lib/libcrypto/pem/pem_lib.c
+++ b/src/lib/libcrypto/pem/pem_lib.c
@@ -5,21 +5,21 @@
5 * This package is an SSL implementation written 5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com). 6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL. 7 * The implementation was written so as to conform with Netscapes SSL.
8 * 8 *
9 * This library is free for commercial and non-commercial use as long as 9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions 10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA, 11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms 13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * 15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed. 17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution 18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used. 19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or 20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package. 21 * in documentation (online or textual) provided with the package.
22 * 22 *
23 * Redistribution and use in source and binary forms, with or without 23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions 24 * modification, are permitted provided that the following conditions
25 * are met: 25 * are met:
@@ -34,10 +34,10 @@
34 * Eric Young (eay@cryptsoft.com)" 34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library 35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-). 36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement: 38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * 40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE. 51 * SUCH DAMAGE.
52 * 52 *
53 * The licence and distribution terms for any publically available version or 53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence 55 * copied and put under another distribution licence
@@ -74,132 +74,132 @@
74#include <openssl/engine.h> 74#include <openssl/engine.h>
75#endif 75#endif
76 76
77const char PEM_version[]="PEM" OPENSSL_VERSION_PTEXT; 77const char PEM_version[] = "PEM" OPENSSL_VERSION_PTEXT;
78 78
79#define MIN_LENGTH 4 79#define MIN_LENGTH 4
80 80
81static int load_iv(char **fromp,unsigned char *to, int num); 81static int load_iv(char **fromp, unsigned char *to, int num);
82static int check_pem(const char *nm, const char *name); 82static int check_pem(const char *nm, const char *name);
83int pem_check_suffix(const char *pem_str, const char *suffix); 83int pem_check_suffix(const char *pem_str, const char *suffix);
84 84
85int PEM_def_callback(char *buf, int num, int w, void *key) 85int
86 { 86PEM_def_callback(char *buf, int num, int w, void *key)
87{
87#ifdef OPENSSL_NO_FP_API 88#ifdef OPENSSL_NO_FP_API
88 /* We should not ever call the default callback routine from 89 /* We should not ever call the default callback routine from
89 * windows. */ 90 * windows. */
90 PEMerr(PEM_F_PEM_DEF_CALLBACK,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); 91 PEMerr(PEM_F_PEM_DEF_CALLBACK, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
91 return(-1); 92 return (-1);
92#else 93#else
93 int i,j; 94 int i, j;
94 const char *prompt; 95 const char *prompt;
95 if(key) { 96
96 i=strlen(key); 97 if (key) {
97 i=(i > num)?num:i; 98 i = strlen(key);
98 memcpy(buf,key,i); 99 i = (i > num) ? num : i;
99 return(i); 100 memcpy(buf, key, i);
101 return (i);
100 } 102 }
101 103
102 prompt=EVP_get_pw_prompt(); 104 prompt = EVP_get_pw_prompt();
103 if (prompt == NULL) 105 if (prompt == NULL)
104 prompt="Enter PEM pass phrase:"; 106 prompt = "Enter PEM pass phrase:";
105 107
106 for (;;) 108 for (;;) {
107 { 109 i = EVP_read_pw_string_min(buf, MIN_LENGTH, num, prompt, w);
108 i=EVP_read_pw_string_min(buf,MIN_LENGTH,num,prompt,w); 110 if (i != 0) {
109 if (i != 0) 111 PEMerr(PEM_F_PEM_DEF_CALLBACK,
110 { 112 PEM_R_PROBLEMS_GETTING_PASSWORD);
111 PEMerr(PEM_F_PEM_DEF_CALLBACK,PEM_R_PROBLEMS_GETTING_PASSWORD); 113 memset(buf, 0, (unsigned int)num);
112 memset(buf,0,(unsigned int)num); 114 return (-1);
113 return(-1); 115 }
114 } 116 j = strlen(buf);
115 j=strlen(buf); 117 if (j < MIN_LENGTH) {
116 if (j < MIN_LENGTH) 118 fprintf(stderr, "phrase is too short, needs to be at least %d chars\n", MIN_LENGTH);
117 { 119 } else
118 fprintf(stderr,"phrase is too short, needs to be at least %d chars\n",MIN_LENGTH);
119 }
120 else
121 break; 120 break;
122 }
123 return(j);
124#endif
125 } 121 }
122 return (j);
123#endif
124}
126 125
127void PEM_proc_type(char *buf, int type) 126void
128 { 127PEM_proc_type(char *buf, int type)
128{
129 const char *str; 129 const char *str;
130 130
131 if (type == PEM_TYPE_ENCRYPTED) 131 if (type == PEM_TYPE_ENCRYPTED)
132 str="ENCRYPTED"; 132 str = "ENCRYPTED";
133 else if (type == PEM_TYPE_MIC_CLEAR) 133 else if (type == PEM_TYPE_MIC_CLEAR)
134 str="MIC-CLEAR"; 134 str = "MIC-CLEAR";
135 else if (type == PEM_TYPE_MIC_ONLY) 135 else if (type == PEM_TYPE_MIC_ONLY)
136 str="MIC-ONLY"; 136 str = "MIC-ONLY";
137 else 137 else
138 str="BAD-TYPE"; 138 str = "BAD-TYPE";
139 139
140 strlcat(buf,"Proc-Type: 4,",PEM_BUFSIZE); 140 strlcat(buf, "Proc-Type: 4,", PEM_BUFSIZE);
141 strlcat(buf,str,PEM_BUFSIZE); 141 strlcat(buf, str, PEM_BUFSIZE);
142 strlcat(buf,"\n",PEM_BUFSIZE); 142 strlcat(buf, "\n", PEM_BUFSIZE);
143 } 143}
144 144
145void PEM_dek_info(char *buf, const char *type, int len, char *str) 145void
146 { 146PEM_dek_info(char *buf, const char *type, int len, char *str)
147 static const unsigned char map[17]="0123456789ABCDEF"; 147{
148 static const unsigned char map[17] = "0123456789ABCDEF";
148 long i; 149 long i;
149 int j; 150 int j;
150 151
151 strlcat(buf,"DEK-Info: ",PEM_BUFSIZE); 152 strlcat(buf, "DEK-Info: ", PEM_BUFSIZE);
152 strlcat(buf,type,PEM_BUFSIZE); 153 strlcat(buf, type, PEM_BUFSIZE);
153 strlcat(buf,",",PEM_BUFSIZE); 154 strlcat(buf, ",", PEM_BUFSIZE);
154 j=strlen(buf); 155 j = strlen(buf);
155 if (j + (len * 2) + 1 > PEM_BUFSIZE) 156 if (j + (len * 2) + 1 > PEM_BUFSIZE)
156 return; 157 return;
157 for (i=0; i<len; i++) 158 for (i = 0; i < len; i++) {
158 { 159 buf[j + i * 2] = map[(str[i] >> 4) & 0x0f];
159 buf[j+i*2] =map[(str[i]>>4)&0x0f]; 160 buf[j + i * 2 + 1] = map[(str[i]) & 0x0f];
160 buf[j+i*2+1]=map[(str[i] )&0x0f];
161 }
162 buf[j+i*2]='\n';
163 buf[j+i*2+1]='\0';
164 } 161 }
162 buf[j + i * 2] = '\n';
163 buf[j + i * 2 + 1] = '\0';
164}
165 165
166#ifndef OPENSSL_NO_FP_API 166#ifndef OPENSSL_NO_FP_API
167void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x, 167void *
168 pem_password_cb *cb, void *u) 168PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
169 { 169 pem_password_cb *cb, void *u)
170 BIO *b; 170{
171 void *ret; 171 BIO *b;
172 172 void *ret;
173 if ((b=BIO_new(BIO_s_file())) == NULL) 173
174 { 174 if ((b = BIO_new(BIO_s_file())) == NULL) {
175 PEMerr(PEM_F_PEM_ASN1_READ,ERR_R_BUF_LIB); 175 PEMerr(PEM_F_PEM_ASN1_READ, ERR_R_BUF_LIB);
176 return(0); 176 return (0);
177 }
178 BIO_set_fp(b,fp,BIO_NOCLOSE);
179 ret=PEM_ASN1_read_bio(d2i,name,b,x,cb,u);
180 BIO_free(b);
181 return(ret);
182 } 177 }
178 BIO_set_fp(b, fp, BIO_NOCLOSE);
179 ret = PEM_ASN1_read_bio(d2i, name, b, x, cb, u);
180 BIO_free(b);
181 return (ret);
182}
183#endif 183#endif
184 184
185static int check_pem(const char *nm, const char *name) 185static int
186check_pem(const char *nm, const char *name)
186{ 187{
187 /* Normal matching nm and name */ 188 /* Normal matching nm and name */
188 if (!strcmp(nm,name)) return 1; 189 if (!strcmp(nm, name))
190 return 1;
189 191
190 /* Make PEM_STRING_EVP_PKEY match any private key */ 192 /* Make PEM_STRING_EVP_PKEY match any private key */
191 193
192 if(!strcmp(name,PEM_STRING_EVP_PKEY)) 194 if (!strcmp(name, PEM_STRING_EVP_PKEY)) {
193 {
194 int slen; 195 int slen;
195 const EVP_PKEY_ASN1_METHOD *ameth; 196 const EVP_PKEY_ASN1_METHOD *ameth;
196 if(!strcmp(nm,PEM_STRING_PKCS8)) 197 if (!strcmp(nm, PEM_STRING_PKCS8))
197 return 1; 198 return 1;
198 if(!strcmp(nm,PEM_STRING_PKCS8INF)) 199 if (!strcmp(nm, PEM_STRING_PKCS8INF))
199 return 1; 200 return 1;
200 slen = pem_check_suffix(nm, "PRIVATE KEY"); 201 slen = pem_check_suffix(nm, "PRIVATE KEY");
201 if (slen > 0) 202 if (slen > 0) {
202 {
203 /* NB: ENGINE implementations wont contain 203 /* NB: ENGINE implementations wont contain
204 * a deprecated old private key decode function 204 * a deprecated old private key decode function
205 * so don't look for them. 205 * so don't look for them.
@@ -207,21 +207,18 @@ static int check_pem(const char *nm, const char *name)
207 ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen); 207 ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
208 if (ameth && ameth->old_priv_decode) 208 if (ameth && ameth->old_priv_decode)
209 return 1; 209 return 1;
210 }
211 return 0;
212 } 210 }
211 return 0;
212 }
213 213
214 if(!strcmp(name,PEM_STRING_PARAMETERS)) 214 if (!strcmp(name, PEM_STRING_PARAMETERS)) {
215 {
216 int slen; 215 int slen;
217 const EVP_PKEY_ASN1_METHOD *ameth; 216 const EVP_PKEY_ASN1_METHOD *ameth;
218 slen = pem_check_suffix(nm, "PARAMETERS"); 217 slen = pem_check_suffix(nm, "PARAMETERS");
219 if (slen > 0) 218 if (slen > 0) {
220 {
221 ENGINE *e; 219 ENGINE *e;
222 ameth = EVP_PKEY_asn1_find_str(&e, nm, slen); 220 ameth = EVP_PKEY_asn1_find_str(&e, nm, slen);
223 if (ameth) 221 if (ameth) {
224 {
225 int r; 222 int r;
226 if (ameth->param_decode) 223 if (ameth->param_decode)
227 r = 1; 224 r = 1;
@@ -232,68 +229,79 @@ static int check_pem(const char *nm, const char *name)
232 ENGINE_finish(e); 229 ENGINE_finish(e);
233#endif 230#endif
234 return r; 231 return r;
235 }
236 } 232 }
237 return 0;
238 } 233 }
234 return 0;
235 }
239 236
240 /* Permit older strings */ 237 /* Permit older strings */
241 238
242 if(!strcmp(nm,PEM_STRING_X509_OLD) && 239 if (!strcmp(nm, PEM_STRING_X509_OLD) &&
243 !strcmp(name,PEM_STRING_X509)) return 1; 240 !strcmp(name, PEM_STRING_X509))
241 return 1;
244 242
245 if(!strcmp(nm,PEM_STRING_X509_REQ_OLD) && 243 if (!strcmp(nm, PEM_STRING_X509_REQ_OLD) &&
246 !strcmp(name,PEM_STRING_X509_REQ)) return 1; 244 !strcmp(name, PEM_STRING_X509_REQ))
245 return 1;
247 246
248 /* Allow normal certs to be read as trusted certs */ 247 /* Allow normal certs to be read as trusted certs */
249 if(!strcmp(nm,PEM_STRING_X509) && 248 if (!strcmp(nm, PEM_STRING_X509) &&
250 !strcmp(name,PEM_STRING_X509_TRUSTED)) return 1; 249 !strcmp(name, PEM_STRING_X509_TRUSTED))
250 return 1;
251 251
252 if(!strcmp(nm,PEM_STRING_X509_OLD) && 252 if (!strcmp(nm, PEM_STRING_X509_OLD) &&
253 !strcmp(name,PEM_STRING_X509_TRUSTED)) return 1; 253 !strcmp(name, PEM_STRING_X509_TRUSTED))
254 return 1;
254 255
255 /* Some CAs use PKCS#7 with CERTIFICATE headers */ 256 /* Some CAs use PKCS#7 with CERTIFICATE headers */
256 if(!strcmp(nm, PEM_STRING_X509) && 257 if (!strcmp(nm, PEM_STRING_X509) &&
257 !strcmp(name, PEM_STRING_PKCS7)) return 1; 258 !strcmp(name, PEM_STRING_PKCS7))
259 return 1;
258 260
259 if(!strcmp(nm, PEM_STRING_PKCS7_SIGNED) && 261 if (!strcmp(nm, PEM_STRING_PKCS7_SIGNED) &&
260 !strcmp(name, PEM_STRING_PKCS7)) return 1; 262 !strcmp(name, PEM_STRING_PKCS7))
263 return 1;
261 264
262#ifndef OPENSSL_NO_CMS 265#ifndef OPENSSL_NO_CMS
263 if(!strcmp(nm, PEM_STRING_X509) && 266 if (!strcmp(nm, PEM_STRING_X509) &&
264 !strcmp(name, PEM_STRING_CMS)) return 1; 267 !strcmp(name, PEM_STRING_CMS))
268 return 1;
265 /* Allow CMS to be read from PKCS#7 headers */ 269 /* Allow CMS to be read from PKCS#7 headers */
266 if(!strcmp(nm, PEM_STRING_PKCS7) && 270 if (!strcmp(nm, PEM_STRING_PKCS7) &&
267 !strcmp(name, PEM_STRING_CMS)) return 1; 271 !strcmp(name, PEM_STRING_CMS))
272 return 1;
268#endif 273#endif
269 274
270 return 0; 275 return 0;
271} 276}
272 277
273int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp, 278int
274 pem_password_cb *cb, void *u) 279PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
275 { 280 const char *name, BIO *bp, pem_password_cb *cb, void *u)
281{
276 EVP_CIPHER_INFO cipher; 282 EVP_CIPHER_INFO cipher;
277 char *nm=NULL,*header=NULL; 283 char *nm = NULL, *header = NULL;
278 unsigned char *data=NULL; 284 unsigned char *data = NULL;
279 long len; 285 long len;
280 int ret = 0; 286 int ret = 0;
281 287
282 for (;;) 288 for (;;) {
283 { 289 if (!PEM_read_bio(bp, &nm, &header, &data, &len)) {
284 if (!PEM_read_bio(bp,&nm,&header,&data,&len)) { 290 if (ERR_GET_REASON(ERR_peek_error()) ==
285 if(ERR_GET_REASON(ERR_peek_error()) == 291 PEM_R_NO_START_LINE)
286 PEM_R_NO_START_LINE)
287 ERR_add_error_data(2, "Expecting: ", name); 292 ERR_add_error_data(2, "Expecting: ", name);
288 return 0; 293 return 0;
289 } 294 }
290 if(check_pem(nm, name)) break; 295 if (check_pem(nm, name))
296 break;
291 free(nm); 297 free(nm);
292 free(header); 298 free(header);
293 free(data); 299 free(data);
294 } 300 }
295 if (!PEM_get_EVP_CIPHER_INFO(header,&cipher)) goto err; 301 if (!PEM_get_EVP_CIPHER_INFO(header, &cipher))
296 if (!PEM_do_header(&cipher,data,&len,cb,u)) goto err; 302 goto err;
303 if (!PEM_do_header(&cipher, data, &len, cb, u))
304 goto err;
297 305
298 *pdata = data; 306 *pdata = data;
299 *plen = len; 307 *plen = len;
@@ -304,532 +312,553 @@ int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char
304 ret = 1; 312 ret = 1;
305 313
306err: 314err:
307 if (!ret || !pnm) free(nm); 315 if (!ret || !pnm)
316 free(nm);
308 free(header); 317 free(header);
309 if (!ret) free(data); 318 if (!ret)
319 free(data);
310 return ret; 320 return ret;
311 } 321}
312 322
313#ifndef OPENSSL_NO_FP_API 323#ifndef OPENSSL_NO_FP_API
314int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp, 324int
315 void *x, const EVP_CIPHER *enc, unsigned char *kstr, 325PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp, void *x,
316 int klen, pem_password_cb *callback, void *u) 326 const EVP_CIPHER *enc, unsigned char *kstr, int klen,
317 { 327 pem_password_cb *callback, void *u)
318 BIO *b; 328{
319 int ret; 329 BIO *b;
320 330 int ret;
321 if ((b=BIO_new(BIO_s_file())) == NULL) 331
322 { 332 if ((b = BIO_new(BIO_s_file())) == NULL) {
323 PEMerr(PEM_F_PEM_ASN1_WRITE,ERR_R_BUF_LIB); 333 PEMerr(PEM_F_PEM_ASN1_WRITE, ERR_R_BUF_LIB);
324 return(0); 334 return (0);
325 } 335 }
326 BIO_set_fp(b,fp,BIO_NOCLOSE); 336 BIO_set_fp(b, fp, BIO_NOCLOSE);
327 ret=PEM_ASN1_write_bio(i2d,name,b,x,enc,kstr,klen,callback,u); 337 ret = PEM_ASN1_write_bio(i2d, name, b, x, enc, kstr, klen, callback, u);
328 BIO_free(b); 338 BIO_free(b);
329 return(ret); 339 return (ret);
330 } 340}
331#endif 341#endif
332 342
333int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, 343int
334 void *x, const EVP_CIPHER *enc, unsigned char *kstr, 344PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, void *x,
335 int klen, pem_password_cb *callback, void *u) 345 const EVP_CIPHER *enc, unsigned char *kstr, int klen,
336 { 346 pem_password_cb *callback, void *u)
347{
337 EVP_CIPHER_CTX ctx; 348 EVP_CIPHER_CTX ctx;
338 int dsize=0,i,j,ret=0; 349 int dsize = 0, i, j, ret = 0;
339 unsigned char *p,*data=NULL; 350 unsigned char *p, *data = NULL;
340 const char *objstr=NULL; 351 const char *objstr = NULL;
341 char buf[PEM_BUFSIZE]; 352 char buf[PEM_BUFSIZE];
342 unsigned char key[EVP_MAX_KEY_LENGTH]; 353 unsigned char key[EVP_MAX_KEY_LENGTH];
343 unsigned char iv[EVP_MAX_IV_LENGTH]; 354 unsigned char iv[EVP_MAX_IV_LENGTH];
344 355
345 if (enc != NULL) 356 if (enc != NULL) {
346 { 357 objstr = OBJ_nid2sn(EVP_CIPHER_nid(enc));
347 objstr=OBJ_nid2sn(EVP_CIPHER_nid(enc)); 358 if (objstr == NULL) {
348 if (objstr == NULL) 359 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,
349 { 360 PEM_R_UNSUPPORTED_CIPHER);
350 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_UNSUPPORTED_CIPHER);
351 goto err; 361 goto err;
352 }
353 } 362 }
363 }
354 364
355 if ((dsize=i2d(x,NULL)) < 0) 365 if ((dsize = i2d(x, NULL)) < 0) {
356 { 366 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_ASN1_LIB);
357 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_ASN1_LIB); 367 dsize = 0;
358 dsize=0;
359 goto err; 368 goto err;
360 } 369 }
361 /* dzise + 8 bytes are needed */ 370 /* dzise + 8 bytes are needed */
362 /* actually it needs the cipher block size extra... */ 371 /* actually it needs the cipher block size extra... */
363 data=(unsigned char *)malloc((unsigned int)dsize+20); 372 data = (unsigned char *)malloc((unsigned int)dsize + 20);
364 if (data == NULL) 373 if (data == NULL) {
365 { 374 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO, ERR_R_MALLOC_FAILURE);
366 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,ERR_R_MALLOC_FAILURE);
367 goto err; 375 goto err;
368 } 376 }
369 p=data; 377 p = data;
370 i=i2d(x,&p); 378 i = i2d(x, &p);
371 379
372 if (enc != NULL) 380 if (enc != NULL) {
373 { 381 if (kstr == NULL) {
374 if (kstr == NULL)
375 {
376 if (callback == NULL) 382 if (callback == NULL)
377 klen=PEM_def_callback(buf,PEM_BUFSIZE,1,u); 383 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
378 else 384 else
379 klen=(*callback)(buf,PEM_BUFSIZE,1,u); 385 klen = (*callback)(buf, PEM_BUFSIZE, 1, u);
380 if (klen <= 0) 386 if (klen <= 0) {
381 { 387 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,
382 PEMerr(PEM_F_PEM_ASN1_WRITE_BIO,PEM_R_READ_KEY); 388 PEM_R_READ_KEY);
383 goto err; 389 goto err;
384 }
385 kstr=(unsigned char *)buf;
386 } 390 }
391 kstr = (unsigned char *)buf;
392 }
387 OPENSSL_assert(enc->iv_len <= (int)sizeof(iv)); 393 OPENSSL_assert(enc->iv_len <= (int)sizeof(iv));
388 if (RAND_pseudo_bytes(iv,enc->iv_len) < 0) /* Generate a salt */ 394 if (RAND_pseudo_bytes(iv, enc->iv_len) < 0) /* Generate a salt */
389 goto err; 395 goto err;
390 /* The 'iv' is used as the iv and as a salt. It is 396 /* The 'iv' is used as the iv and as a salt. It is
391 * NOT taken from the BytesToKey function */ 397 * NOT taken from the BytesToKey function */
392 if (!EVP_BytesToKey(enc,EVP_md5(),iv,kstr,klen,1,key,NULL)) 398 if (!EVP_BytesToKey(enc, EVP_md5(), iv, kstr, klen, 1,
399 key, NULL))
393 goto err; 400 goto err;
394 401
395 if (kstr == (unsigned char *)buf) OPENSSL_cleanse(buf,PEM_BUFSIZE); 402 if (kstr == (unsigned char *)buf)
403 OPENSSL_cleanse(buf, PEM_BUFSIZE);
396 404
397 OPENSSL_assert(strlen(objstr)+23+2*enc->iv_len+13 <= sizeof buf); 405 OPENSSL_assert(strlen(objstr) + 23 +
406 2 * enc->iv_len + 13 <= sizeof buf);
398 407
399 buf[0]='\0'; 408 buf[0] = '\0';
400 PEM_proc_type(buf,PEM_TYPE_ENCRYPTED); 409 PEM_proc_type(buf, PEM_TYPE_ENCRYPTED);
401 PEM_dek_info(buf,objstr,enc->iv_len,(char *)iv); 410 PEM_dek_info(buf, objstr, enc->iv_len, (char *)iv);
402 /* k=strlen(buf); */ 411 /* k=strlen(buf); */
403 412
404 EVP_CIPHER_CTX_init(&ctx); 413 EVP_CIPHER_CTX_init(&ctx);
405 ret = 1; 414 ret = 1;
406 if (!EVP_EncryptInit_ex(&ctx,enc,NULL,key,iv) 415 if (!EVP_EncryptInit_ex(&ctx, enc, NULL, key, iv) ||
407 || !EVP_EncryptUpdate(&ctx,data,&j,data,i) 416 !EVP_EncryptUpdate(&ctx, data, &j, data, i) ||
408 || !EVP_EncryptFinal_ex(&ctx,&(data[j]),&i)) 417 !EVP_EncryptFinal_ex(&ctx, &(data[j]), &i))
409 ret = 0; 418 ret = 0;
410 EVP_CIPHER_CTX_cleanup(&ctx); 419 EVP_CIPHER_CTX_cleanup(&ctx);
411 if (ret == 0) 420 if (ret == 0)
412 goto err; 421 goto err;
413 i+=j; 422 i += j;
414 } 423 } else {
415 else 424 ret = 1;
416 { 425 buf[0] = '\0';
417 ret=1; 426 }
418 buf[0]='\0'; 427 i = PEM_write_bio(bp, name, buf, data, i);
419 } 428 if (i <= 0)
420 i=PEM_write_bio(bp,name,buf,data,i); 429 ret = 0;
421 if (i <= 0) ret=0;
422err: 430err:
423 OPENSSL_cleanse(key,sizeof(key)); 431 OPENSSL_cleanse(key, sizeof(key));
424 OPENSSL_cleanse(iv,sizeof(iv)); 432 OPENSSL_cleanse(iv, sizeof(iv));
425 OPENSSL_cleanse((char *)&ctx,sizeof(ctx)); 433 OPENSSL_cleanse((char *)&ctx, sizeof(ctx));
426 OPENSSL_cleanse(buf,PEM_BUFSIZE); 434 OPENSSL_cleanse(buf, PEM_BUFSIZE);
427 if (data != NULL) 435 if (data != NULL) {
428 { 436 OPENSSL_cleanse(data, (unsigned int)dsize);
429 OPENSSL_cleanse(data,(unsigned int)dsize);
430 free(data); 437 free(data);
431 }
432 return(ret);
433 } 438 }
439 return (ret);
440}
434 441
435int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen, 442int
436 pem_password_cb *callback,void *u) 443PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *plen,
437 { 444 pem_password_cb *callback, void *u)
438 int i,j,o,klen; 445{
446 int i, j, o, klen;
439 long len; 447 long len;
440 EVP_CIPHER_CTX ctx; 448 EVP_CIPHER_CTX ctx;
441 unsigned char key[EVP_MAX_KEY_LENGTH]; 449 unsigned char key[EVP_MAX_KEY_LENGTH];
442 char buf[PEM_BUFSIZE]; 450 char buf[PEM_BUFSIZE];
443 451
444 len= *plen; 452 len = *plen;
445 453
446 if (cipher->cipher == NULL) return(1); 454 if (cipher->cipher == NULL)
455 return (1);
447 if (callback == NULL) 456 if (callback == NULL)
448 klen=PEM_def_callback(buf,PEM_BUFSIZE,0,u); 457 klen = PEM_def_callback(buf, PEM_BUFSIZE, 0, u);
449 else 458 else
450 klen=callback(buf,PEM_BUFSIZE,0,u); 459 klen = callback(buf, PEM_BUFSIZE, 0, u);
451 if (klen <= 0) 460 if (klen <= 0) {
452 { 461 PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_PASSWORD_READ);
453 PEMerr(PEM_F_PEM_DO_HEADER,PEM_R_BAD_PASSWORD_READ); 462 return (0);
454 return(0); 463 }
455 } 464 if (!EVP_BytesToKey(cipher->cipher, EVP_md5(), &(cipher->iv[0]),
456 if (!EVP_BytesToKey(cipher->cipher,EVP_md5(),&(cipher->iv[0]), 465 (unsigned char *)buf, klen, 1, key, NULL))
457 (unsigned char *)buf,klen,1,key,NULL))
458 return 0; 466 return 0;
459 467
460 j=(int)len; 468 j = (int)len;
461 EVP_CIPHER_CTX_init(&ctx); 469 EVP_CIPHER_CTX_init(&ctx);
462 o = EVP_DecryptInit_ex(&ctx,cipher->cipher,NULL, key,&(cipher->iv[0])); 470 o = EVP_DecryptInit_ex(&ctx, cipher->cipher, NULL, key,
471 &(cipher->iv[0]));
463 if (o) 472 if (o)
464 o = EVP_DecryptUpdate(&ctx,data,&i,data,j); 473 o = EVP_DecryptUpdate(&ctx, data, &i, data, j);
465 if (o) 474 if (o)
466 o = EVP_DecryptFinal_ex(&ctx,&(data[i]),&j); 475 o = EVP_DecryptFinal_ex(&ctx, &(data[i]), &j);
467 EVP_CIPHER_CTX_cleanup(&ctx); 476 EVP_CIPHER_CTX_cleanup(&ctx);
468 OPENSSL_cleanse((char *)buf,sizeof(buf)); 477 OPENSSL_cleanse((char *)buf, sizeof(buf));
469 OPENSSL_cleanse((char *)key,sizeof(key)); 478 OPENSSL_cleanse((char *)key, sizeof(key));
470 j+=i; 479 j += i;
471 if (!o) 480 if (!o) {
472 { 481 PEMerr(PEM_F_PEM_DO_HEADER, PEM_R_BAD_DECRYPT);
473 PEMerr(PEM_F_PEM_DO_HEADER,PEM_R_BAD_DECRYPT); 482 return (0);
474 return(0);
475 }
476 *plen=j;
477 return(1);
478 } 483 }
484 *plen = j;
485 return (1);
486}
479 487
480int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher) 488int
481 { 489PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher)
482 const EVP_CIPHER *enc=NULL; 490{
483 char *p,c; 491 const EVP_CIPHER *enc = NULL;
492 char *p, c;
484 char **header_pp = &header; 493 char **header_pp = &header;
485 494
486 cipher->cipher=NULL; 495 cipher->cipher = NULL;
487 if ((header == NULL) || (*header == '\0') || (*header == '\n')) 496 if ((header == NULL) || (*header == '\0') || (*header == '\n'))
488 return(1); 497 return (1);
489 if (strncmp(header,"Proc-Type: ",11) != 0) 498 if (strncmp(header, "Proc-Type: ", 11) != 0) {
490 { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_PROC_TYPE); return(0); } 499 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_PROC_TYPE);
491 header+=11; 500 return (0);
492 if (*header != '4') return(0); header++; 501 }
493 if (*header != ',') return(0); header++; 502 header += 11;
494 if (strncmp(header,"ENCRYPTED",9) != 0) 503 if (*header != '4')
495 { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_ENCRYPTED); return(0); } 504 return(0);
505 header++;
506 if (*header != ',')
507 return(0);
508 header++;
509 if (strncmp(header, "ENCRYPTED", 9) != 0) {
510 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_ENCRYPTED);
511 return (0);
512 }
496 for (; (*header != '\n') && (*header != '\0'); header++) 513 for (; (*header != '\n') && (*header != '\0'); header++)
497 ; 514 ;
498 if (*header == '\0') 515 if (*header == '\0') {
499 { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_SHORT_HEADER); return(0); } 516 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_SHORT_HEADER);
517 return (0);
518 }
500 header++; 519 header++;
501 if (strncmp(header,"DEK-Info: ",10) != 0) 520 if (strncmp(header, "DEK-Info: ", 10) != 0) {
502 { PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_NOT_DEK_INFO); return(0); } 521 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO, PEM_R_NOT_DEK_INFO);
503 header+=10; 522 return (0);
523 }
524 header += 10;
504 525
505 p=header; 526 p = header;
506 for (;;) 527 for (;;) {
507 {
508 c= *header; 528 c= *header;
509 if (!( ((c >= 'A') && (c <= 'Z')) || (c == '-') || 529 if (!( ((c >= 'A') && (c <= 'Z')) || (c == '-') ||
510 ((c >= '0') && (c <= '9')))) 530 ((c >= '0') && (c <= '9'))))
511 break; 531 break;
512 header++; 532 header++;
513 } 533 }
514 *header='\0'; 534 *header = '\0';
515 cipher->cipher=enc=EVP_get_cipherbyname(p); 535 cipher->cipher = enc = EVP_get_cipherbyname(p);
516 *header=c; 536 *header = c;
517 header++; 537 header++;
518 538
519 if (enc == NULL) 539 if (enc == NULL) {
520 { 540 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,
521 PEMerr(PEM_F_PEM_GET_EVP_CIPHER_INFO,PEM_R_UNSUPPORTED_ENCRYPTION); 541 PEM_R_UNSUPPORTED_ENCRYPTION);
522 return(0); 542 return (0);
523 }
524 if (!load_iv(header_pp,&(cipher->iv[0]),enc->iv_len))
525 return(0);
526
527 return(1);
528 } 543 }
544 if (!load_iv(header_pp, &(cipher->iv[0]), enc->iv_len))
545 return (0);
546
547 return (1);
548}
529 549
530static int load_iv(char **fromp, unsigned char *to, int num) 550static int
531 { 551load_iv(char **fromp, unsigned char *to, int num)
532 int v,i; 552{
553 int v, i;
533 char *from; 554 char *from;
534 555
535 from= *fromp; 556 from= *fromp;
536 for (i=0; i<num; i++) to[i]=0; 557 for (i = 0; i < num; i++)
537 num*=2; 558 to[i] = 0;
538 for (i=0; i<num; i++) 559 num *= 2;
539 { 560 for (i = 0; i < num; i++) {
540 if ((*from >= '0') && (*from <= '9')) 561 if ((*from >= '0') && (*from <= '9'))
541 v= *from-'0'; 562 v = *from - '0';
542 else if ((*from >= 'A') && (*from <= 'F')) 563 else if ((*from >= 'A') && (*from <= 'F'))
543 v= *from-'A'+10; 564 v = *from - 'A' + 10;
544 else if ((*from >= 'a') && (*from <= 'f')) 565 else if ((*from >= 'a') && (*from <= 'f'))
545 v= *from-'a'+10; 566 v = *from - 'a' + 10;
546 else 567 else {
547 { 568 PEMerr(PEM_F_LOAD_IV, PEM_R_BAD_IV_CHARS);
548 PEMerr(PEM_F_LOAD_IV,PEM_R_BAD_IV_CHARS); 569 return (0);
549 return(0);
550 }
551 from++;
552 to[i/2]|=v<<(long)((!(i&1))*4);
553 } 570 }
554 571 from++;
555 *fromp=from; 572 to[i / 2] |= v << (long)((!(i & 1)) * 4);
556 return(1);
557 } 573 }
558 574
575 *fromp = from;
576 return (1);
577}
578
559#ifndef OPENSSL_NO_FP_API 579#ifndef OPENSSL_NO_FP_API
560int PEM_write(FILE *fp, char *name, char *header, unsigned char *data, 580int
561 long len) 581PEM_write(FILE *fp, char *name, char *header, unsigned char *data, long len)
562 { 582{
563 BIO *b; 583 BIO *b;
564 int ret; 584 int ret;
565 585
566 if ((b=BIO_new(BIO_s_file())) == NULL) 586 if ((b = BIO_new(BIO_s_file())) == NULL) {
567 { 587 PEMerr(PEM_F_PEM_WRITE, ERR_R_BUF_LIB);
568 PEMerr(PEM_F_PEM_WRITE,ERR_R_BUF_LIB); 588 return (0);
569 return(0); 589 }
570 } 590 BIO_set_fp(b, fp, BIO_NOCLOSE);
571 BIO_set_fp(b,fp,BIO_NOCLOSE); 591 ret = PEM_write_bio(b, name, header, data, len);
572 ret=PEM_write_bio(b, name, header, data,len); 592 BIO_free(b);
573 BIO_free(b); 593 return (ret);
574 return(ret); 594}
575 }
576#endif 595#endif
577 596
578int PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data, 597int
579 long len) 598PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data,
580 { 599 long len)
581 int nlen,n,i,j,outl; 600{
601 int nlen, n, i, j, outl;
582 unsigned char *buf = NULL; 602 unsigned char *buf = NULL;
583 EVP_ENCODE_CTX ctx; 603 EVP_ENCODE_CTX ctx;
584 int reason=ERR_R_BUF_LIB; 604 int reason = ERR_R_BUF_LIB;
585 605
586 EVP_EncodeInit(&ctx); 606 EVP_EncodeInit(&ctx);
587 nlen=strlen(name); 607 nlen = strlen(name);
588 608
589 if ( (BIO_write(bp,"-----BEGIN ",11) != 11) || 609 if ((BIO_write(bp, "-----BEGIN ", 11) != 11) ||
590 (BIO_write(bp,name,nlen) != nlen) || 610 (BIO_write(bp, name, nlen) != nlen) ||
591 (BIO_write(bp,"-----\n",6) != 6)) 611 (BIO_write(bp, "-----\n", 6) != 6))
592 goto err; 612 goto err;
593 613
594 i=strlen(header); 614 i = strlen(header);
595 if (i > 0) 615 if (i > 0) {
596 { 616 if ((BIO_write(bp, header, i) != i) ||
597 if ( (BIO_write(bp,header,i) != i) || 617 (BIO_write(bp, "\n", 1) != 1))
598 (BIO_write(bp,"\n",1) != 1))
599 goto err; 618 goto err;
600 } 619 }
601 620
602 buf = malloc(PEM_BUFSIZE*8); 621 buf = malloc(PEM_BUFSIZE * 8);
603 if (buf == NULL) 622 if (buf == NULL) {
604 { 623 reason = ERR_R_MALLOC_FAILURE;
605 reason=ERR_R_MALLOC_FAILURE;
606 goto err; 624 goto err;
607 } 625 }
608 626
609 i=j=0; 627 i = j = 0;
610 while (len > 0) 628 while (len > 0) {
611 { 629 n = (int)((len > (PEM_BUFSIZE * 5)) ? (PEM_BUFSIZE * 5) : len);
612 n=(int)((len>(PEM_BUFSIZE*5))?(PEM_BUFSIZE*5):len); 630 EVP_EncodeUpdate(&ctx, buf, &outl, &(data[j]), n);
613 EVP_EncodeUpdate(&ctx,buf,&outl,&(data[j]),n); 631 if ((outl) && (BIO_write(bp, (char *)buf, outl) != outl))
614 if ((outl) && (BIO_write(bp,(char *)buf,outl) != outl))
615 goto err; 632 goto err;
616 i+=outl; 633 i += outl;
617 len-=n; 634 len -= n;
618 j+=n; 635 j += n;
619 } 636 }
620 EVP_EncodeFinal(&ctx,buf,&outl); 637 EVP_EncodeFinal(&ctx, buf, &outl);
621 if ((outl > 0) && (BIO_write(bp,(char *)buf,outl) != outl)) goto err; 638 if ((outl > 0) && (BIO_write(bp, (char *)buf, outl) != outl))
622 OPENSSL_cleanse(buf, PEM_BUFSIZE*8); 639 goto err;
640 OPENSSL_cleanse(buf, PEM_BUFSIZE * 8);
623 free(buf); 641 free(buf);
624 buf = NULL; 642 buf = NULL;
625 if ( (BIO_write(bp,"-----END ",9) != 9) || 643 if ((BIO_write(bp, "-----END ", 9) != 9) ||
626 (BIO_write(bp,name,nlen) != nlen) || 644 (BIO_write(bp, name, nlen) != nlen) ||
627 (BIO_write(bp,"-----\n",6) != 6)) 645 (BIO_write(bp, "-----\n", 6) != 6))
628 goto err; 646 goto err;
629 return(i+outl); 647 return (i + outl);
648
630err: 649err:
631 if (buf) { 650 if (buf) {
632 OPENSSL_cleanse(buf, PEM_BUFSIZE*8); 651 OPENSSL_cleanse(buf, PEM_BUFSIZE * 8);
633 free(buf); 652 free(buf);
634 } 653 }
635 PEMerr(PEM_F_PEM_WRITE_BIO,reason); 654 PEMerr(PEM_F_PEM_WRITE_BIO, reason);
636 return(0); 655 return (0);
637 } 656}
638 657
639#ifndef OPENSSL_NO_FP_API 658#ifndef OPENSSL_NO_FP_API
640int PEM_read(FILE *fp, char **name, char **header, unsigned char **data, 659int
641 long *len) 660PEM_read(FILE *fp, char **name, char **header, unsigned char **data, long *len)
642 { 661{
643 BIO *b; 662 BIO *b;
644 int ret; 663 int ret;
645 664
646 if ((b=BIO_new(BIO_s_file())) == NULL) 665 if ((b = BIO_new(BIO_s_file())) == NULL) {
647 { 666 PEMerr(PEM_F_PEM_READ, ERR_R_BUF_LIB);
648 PEMerr(PEM_F_PEM_READ,ERR_R_BUF_LIB); 667 return (0);
649 return(0); 668 }
650 } 669 BIO_set_fp(b, fp, BIO_NOCLOSE);
651 BIO_set_fp(b,fp,BIO_NOCLOSE); 670 ret = PEM_read_bio(b, name, header, data, len);
652 ret=PEM_read_bio(b, name, header, data,len); 671 BIO_free(b);
653 BIO_free(b); 672 return (ret);
654 return(ret); 673}
655 }
656#endif 674#endif
657 675
658int PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data, 676int
659 long *len) 677PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,
660 { 678 long *len)
679{
661 EVP_ENCODE_CTX ctx; 680 EVP_ENCODE_CTX ctx;
662 int end=0,i,k,bl=0,hl=0,nohead=0; 681 int end = 0, i, k, bl = 0, hl = 0, nohead = 0;
663 char buf[256]; 682 char buf[256];
664 BUF_MEM *nameB; 683 BUF_MEM *nameB;
665 BUF_MEM *headerB; 684 BUF_MEM *headerB;
666 BUF_MEM *dataB,*tmpB; 685 BUF_MEM *dataB, *tmpB;
667 686
668 nameB=BUF_MEM_new(); 687 nameB = BUF_MEM_new();
669 headerB=BUF_MEM_new(); 688 headerB = BUF_MEM_new();
670 dataB=BUF_MEM_new(); 689 dataB = BUF_MEM_new();
671 if ((nameB == NULL) || (headerB == NULL) || (dataB == NULL)) 690 if ((nameB == NULL) || (headerB == NULL) || (dataB == NULL)) {
672 {
673 BUF_MEM_free(nameB); 691 BUF_MEM_free(nameB);
674 BUF_MEM_free(headerB); 692 BUF_MEM_free(headerB);
675 BUF_MEM_free(dataB); 693 BUF_MEM_free(dataB);
676 PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); 694 PEMerr(PEM_F_PEM_READ_BIO, ERR_R_MALLOC_FAILURE);
677 return(0); 695 return (0);
678 } 696 }
679 697
680 buf[254]='\0'; 698 buf[254] = '\0';
681 for (;;) 699 for (;;) {
682 { 700 i = BIO_gets(bp, buf, 254);
683 i=BIO_gets(bp,buf,254);
684 701
685 if (i <= 0) 702 if (i <= 0) {
686 { 703 PEMerr(PEM_F_PEM_READ_BIO, PEM_R_NO_START_LINE);
687 PEMerr(PEM_F_PEM_READ_BIO,PEM_R_NO_START_LINE);
688 goto err; 704 goto err;
689 } 705 }
690 706
691 while ((i >= 0) && (buf[i] <= ' ')) i--; 707 while ((i >= 0) && (buf[i] <= ' '))
692 buf[++i]='\n'; buf[++i]='\0'; 708 i--;
709 buf[++i] = '\n';
710 buf[++i] = '\0';
693 711
694 if (strncmp(buf,"-----BEGIN ",11) == 0) 712 if (strncmp(buf, "-----BEGIN ", 11) == 0) {
695 { 713 i = strlen(&(buf[11]));
696 i=strlen(&(buf[11]));
697 714
698 if (strncmp(&(buf[11+i-6]),"-----\n",6) != 0) 715 if (strncmp(&(buf[11 + i - 6]), "-----\n", 6) != 0)
699 continue; 716 continue;
700 if (!BUF_MEM_grow(nameB,i+9)) 717 if (!BUF_MEM_grow(nameB, i + 9)) {
701 { 718 PEMerr(PEM_F_PEM_READ_BIO,
702 PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); 719 ERR_R_MALLOC_FAILURE);
703 goto err; 720 goto err;
704 }
705 memcpy(nameB->data,&(buf[11]),i-6);
706 nameB->data[i-6]='\0';
707 break;
708 } 721 }
722 memcpy(nameB->data, &(buf[11]), i - 6);
723 nameB->data[i - 6] = '\0';
724 break;
709 } 725 }
710 hl=0; 726 }
711 if (!BUF_MEM_grow(headerB,256)) 727 hl = 0;
712 { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; } 728 if (!BUF_MEM_grow(headerB, 256)) {
713 headerB->data[0]='\0'; 729 PEMerr(PEM_F_PEM_READ_BIO, ERR_R_MALLOC_FAILURE);
714 for (;;) 730 goto err;
715 { 731 }
716 i=BIO_gets(bp,buf,254); 732 headerB->data[0] = '\0';
717 if (i <= 0) break; 733 for (;;) {
718 734 i = BIO_gets(bp, buf, 254);
719 while ((i >= 0) && (buf[i] <= ' ')) i--; 735 if (i <= 0)
720 buf[++i]='\n'; buf[++i]='\0';
721
722 if (buf[0] == '\n') break;
723 if (!BUF_MEM_grow(headerB,hl+i+9))
724 { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; }
725 if (strncmp(buf,"-----END ",9) == 0)
726 {
727 nohead=1;
728 break; 736 break;
729 } 737
730 memcpy(&(headerB->data[hl]),buf,i); 738 while ((i >= 0) && (buf[i] <= ' '))
731 headerB->data[hl+i]='\0'; 739 i--;
732 hl+=i; 740 buf[++i] = '\n';
741 buf[++i] = '\0';
742
743 if (buf[0] == '\n')
744 break;
745 if (!BUF_MEM_grow(headerB, hl + i + 9)) {
746 PEMerr(PEM_F_PEM_READ_BIO, ERR_R_MALLOC_FAILURE);
747 goto err;
733 } 748 }
749 if (strncmp(buf, "-----END ", 9) == 0) {
750 nohead = 1;
751 break;
752 }
753 memcpy(&(headerB->data[hl]), buf, i);
754 headerB->data[hl + i] = '\0';
755 hl += i;
756 }
757
758 bl = 0;
759 if (!BUF_MEM_grow(dataB, 1024)) {
760 PEMerr(PEM_F_PEM_READ_BIO, ERR_R_MALLOC_FAILURE);
761 goto err;
762 }
763 dataB->data[0] = '\0';
764 if (!nohead) {
765 for (;;) {
766 i = BIO_gets(bp, buf, 254);
767 if (i <= 0)
768 break;
769
770 while ((i >= 0) && (buf[i] <= ' '))
771 i--;
772 buf[++i] = '\n';
773 buf[++i] = '\0';
734 774
735 bl=0; 775 if (i != 65)
736 if (!BUF_MEM_grow(dataB,1024)) 776 end = 1;
737 { PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); goto err; } 777 if (strncmp(buf, "-----END ", 9) == 0)
738 dataB->data[0]='\0';
739 if (!nohead)
740 {
741 for (;;)
742 {
743 i=BIO_gets(bp,buf,254);
744 if (i <= 0) break;
745
746 while ((i >= 0) && (buf[i] <= ' ')) i--;
747 buf[++i]='\n'; buf[++i]='\0';
748
749 if (i != 65) end=1;
750 if (strncmp(buf,"-----END ",9) == 0)
751 break; 778 break;
752 if (i > 65) break; 779 if (i > 65)
753 if (!BUF_MEM_grow_clean(dataB,i+bl+9)) 780 break;
754 { 781 if (!BUF_MEM_grow_clean(dataB, i + bl + 9)) {
755 PEMerr(PEM_F_PEM_READ_BIO,ERR_R_MALLOC_FAILURE); 782 PEMerr(PEM_F_PEM_READ_BIO,
783 ERR_R_MALLOC_FAILURE);
756 goto err; 784 goto err;
757 } 785 }
758 memcpy(&(dataB->data[bl]),buf,i); 786 memcpy(&(dataB->data[bl]), buf, i);
759 dataB->data[bl+i]='\0'; 787 dataB->data[bl + i] = '\0';
760 bl+=i; 788 bl += i;
761 if (end) 789 if (end) {
762 { 790 buf[0] = '\0';
763 buf[0]='\0'; 791 i = BIO_gets(bp, buf, 254);
764 i=BIO_gets(bp,buf,254); 792 if (i <= 0)
765 if (i <= 0) break; 793 break;
766 794
767 while ((i >= 0) && (buf[i] <= ' ')) i--; 795 while ((i >= 0) && (buf[i] <= ' '))
768 buf[++i]='\n'; buf[++i]='\0'; 796 i--;
797 buf[++i] = '\n';
798 buf[++i] = '\0';
769 799
770 break; 800 break;
771 }
772 } 801 }
773 } 802 }
774 else 803 } else {
775 { 804 tmpB = headerB;
776 tmpB=headerB; 805 headerB = dataB;
777 headerB=dataB; 806 dataB = tmpB;
778 dataB=tmpB; 807 bl = hl;
779 bl=hl; 808 }
780 } 809 i = strlen(nameB->data);
781 i=strlen(nameB->data); 810 if ((strncmp(buf, "-----END ", 9) != 0) ||
782 if ( (strncmp(buf,"-----END ",9) != 0) || 811 (strncmp(nameB->data, &(buf[9]), i) != 0) ||
783 (strncmp(nameB->data,&(buf[9]),i) != 0) || 812 (strncmp(&(buf[9 + i]), "-----\n", 6) != 0)) {
784 (strncmp(&(buf[9+i]),"-----\n",6) != 0)) 813 PEMerr(PEM_F_PEM_READ_BIO, PEM_R_BAD_END_LINE);
785 {
786 PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_END_LINE);
787 goto err; 814 goto err;
788 } 815 }
789 816
790 EVP_DecodeInit(&ctx); 817 EVP_DecodeInit(&ctx);
791 i=EVP_DecodeUpdate(&ctx, 818 i = EVP_DecodeUpdate(&ctx,
792 (unsigned char *)dataB->data,&bl, 819 (unsigned char *)dataB->data, &bl,
793 (unsigned char *)dataB->data,bl); 820 (unsigned char *)dataB->data, bl);
794 if (i < 0) 821 if (i < 0) {
795 { 822 PEMerr(PEM_F_PEM_READ_BIO, PEM_R_BAD_BASE64_DECODE);
796 PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);
797 goto err; 823 goto err;
798 } 824 }
799 i=EVP_DecodeFinal(&ctx,(unsigned char *)&(dataB->data[bl]),&k); 825 i = EVP_DecodeFinal(&ctx, (unsigned char *)&(dataB->data[bl]), &k);
800 if (i < 0) 826 if (i < 0) {
801 { 827 PEMerr(PEM_F_PEM_READ_BIO, PEM_R_BAD_BASE64_DECODE);
802 PEMerr(PEM_F_PEM_READ_BIO,PEM_R_BAD_BASE64_DECODE);
803 goto err; 828 goto err;
804 } 829 }
805 bl+=k; 830 bl += k;
806 831
807 if (bl == 0) goto err; 832 if (bl == 0)
808 *name=nameB->data; 833 goto err;
809 *header=headerB->data; 834 *name = nameB->data;
810 *data=(unsigned char *)dataB->data; 835 *header = headerB->data;
811 *len=bl; 836 *data = (unsigned char *)dataB->data;
837 *len = bl;
812 free(nameB); 838 free(nameB);
813 free(headerB); 839 free(headerB);
814 free(dataB); 840 free(dataB);
815 return(1); 841 return (1);
842
816err: 843err:
817 BUF_MEM_free(nameB); 844 BUF_MEM_free(nameB);
818 BUF_MEM_free(headerB); 845 BUF_MEM_free(headerB);
819 BUF_MEM_free(dataB); 846 BUF_MEM_free(dataB);
820 return(0); 847 return (0);
821 } 848}
822 849
823/* Check pem string and return prefix length. 850/* Check pem string and return prefix length.
824 * If for example the pem_str == "RSA PRIVATE KEY" and suffix = "PRIVATE KEY" 851 * If for example the pem_str == "RSA PRIVATE KEY" and suffix = "PRIVATE KEY"
825 * the return value is 3 for the string "RSA". 852 * the return value is 3 for the string "RSA".
826 */ 853 */
827 854
828int pem_check_suffix(const char *pem_str, const char *suffix) 855int
829 { 856pem_check_suffix(const char *pem_str, const char *suffix)
857{
830 int pem_len = strlen(pem_str); 858 int pem_len = strlen(pem_str);
831 int suffix_len = strlen(suffix); 859 int suffix_len = strlen(suffix);
832 const char *p; 860 const char *p;
861
833 if (suffix_len + 1 >= pem_len) 862 if (suffix_len + 1 >= pem_len)
834 return 0; 863 return 0;
835 p = pem_str + pem_len - suffix_len; 864 p = pem_str + pem_len - suffix_len;
@@ -839,5 +868,4 @@ int pem_check_suffix(const char *pem_str, const char *suffix)
839 if (*p != ' ') 868 if (*p != ' ')
840 return 0; 869 return 0;
841 return p - pem_str; 870 return p - pem_str;
842 } 871}
843
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-22 19:58:31 +0000