diff options
Diffstat (limited to 'src/lib/libcrypto/bio/bss_file.c')
-rw-r--r-- | src/lib/libcrypto/bio/bss_file.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bio/bss_file.c b/src/lib/libcrypto/bio/bss_file.c new file mode 100644 index 0000000000..1484cf849e --- /dev/null +++ b/src/lib/libcrypto/bio/bss_file.c | |||
@@ -0,0 +1,339 @@ | |||
1 | /* crypto/bio/bss_file.c */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
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 | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
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. | ||
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. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
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: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
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 | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
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 | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | /* | ||
60 | * 03-Dec-1997 rdenny@dc3.com Fix bug preventing use of stdin/stdout | ||
61 | * with binary data (e.g. asn1parse -inform DER < xxx) under | ||
62 | * Windows | ||
63 | */ | ||
64 | |||
65 | #ifndef HEADER_BSS_FILE_C | ||
66 | #define HEADER_BSS_FILE_C | ||
67 | |||
68 | #include <stdio.h> | ||
69 | #include <errno.h> | ||
70 | #include "cryptlib.h" | ||
71 | #include "bio.h" | ||
72 | #include "err.h" | ||
73 | |||
74 | #if !defined(NO_STDIO) | ||
75 | |||
76 | #ifndef NOPROTO | ||
77 | static int MS_CALLBACK file_write(BIO *h,char *buf,int num); | ||
78 | static int MS_CALLBACK file_read(BIO *h,char *buf,int size); | ||
79 | static int MS_CALLBACK file_puts(BIO *h,char *str); | ||
80 | static int MS_CALLBACK file_gets(BIO *h,char *str,int size); | ||
81 | static long MS_CALLBACK file_ctrl(BIO *h,int cmd,long arg1,char *arg2); | ||
82 | static int MS_CALLBACK file_new(BIO *h); | ||
83 | static int MS_CALLBACK file_free(BIO *data); | ||
84 | #else | ||
85 | static int MS_CALLBACK file_write(); | ||
86 | static int MS_CALLBACK file_read(); | ||
87 | static int MS_CALLBACK file_puts(); | ||
88 | static int MS_CALLBACK file_gets(); | ||
89 | static long MS_CALLBACK file_ctrl(); | ||
90 | static int MS_CALLBACK file_new(); | ||
91 | static int MS_CALLBACK file_free(); | ||
92 | #endif | ||
93 | |||
94 | static BIO_METHOD methods_filep= | ||
95 | { | ||
96 | BIO_TYPE_FILE, | ||
97 | "FILE pointer", | ||
98 | file_write, | ||
99 | file_read, | ||
100 | file_puts, | ||
101 | file_gets, | ||
102 | file_ctrl, | ||
103 | file_new, | ||
104 | file_free, | ||
105 | }; | ||
106 | |||
107 | BIO *BIO_new_file(filename,mode) | ||
108 | char *filename; | ||
109 | char *mode; | ||
110 | { | ||
111 | BIO *ret; | ||
112 | FILE *file; | ||
113 | |||
114 | if ((file=fopen(filename,mode)) == NULL) | ||
115 | { | ||
116 | SYSerr(SYS_F_FOPEN,get_last_sys_error()); | ||
117 | ERR_add_error_data(5,"fopen('",filename,"','",mode,"')"); | ||
118 | BIOerr(BIO_F_BIO_NEW_FILE,ERR_R_SYS_LIB); | ||
119 | return(NULL); | ||
120 | } | ||
121 | if ((ret=BIO_new(BIO_s_file_internal())) == NULL) | ||
122 | return(NULL); | ||
123 | |||
124 | BIO_set_fp(ret,file,BIO_CLOSE); | ||
125 | return(ret); | ||
126 | } | ||
127 | |||
128 | BIO *BIO_new_fp(stream,close_flag) | ||
129 | FILE *stream; | ||
130 | int close_flag; | ||
131 | { | ||
132 | BIO *ret; | ||
133 | |||
134 | if ((ret=BIO_new(BIO_s_file())) == NULL) | ||
135 | return(NULL); | ||
136 | |||
137 | BIO_set_fp(ret,stream,close_flag); | ||
138 | return(ret); | ||
139 | } | ||
140 | |||
141 | BIO_METHOD *BIO_s_file() | ||
142 | { | ||
143 | return(&methods_filep); | ||
144 | } | ||
145 | |||
146 | static int MS_CALLBACK file_new(bi) | ||
147 | BIO *bi; | ||
148 | { | ||
149 | bi->init=0; | ||
150 | bi->num=0; | ||
151 | bi->ptr=NULL; | ||
152 | return(1); | ||
153 | } | ||
154 | |||
155 | static int MS_CALLBACK file_free(a) | ||
156 | BIO *a; | ||
157 | { | ||
158 | if (a == NULL) return(0); | ||
159 | if (a->shutdown) | ||
160 | { | ||
161 | if ((a->init) && (a->ptr != NULL)) | ||
162 | { | ||
163 | fclose((FILE *)a->ptr); | ||
164 | a->ptr=NULL; | ||
165 | } | ||
166 | a->init=0; | ||
167 | } | ||
168 | return(1); | ||
169 | } | ||
170 | |||
171 | static int MS_CALLBACK file_read(b,out,outl) | ||
172 | BIO *b; | ||
173 | char *out; | ||
174 | int outl; | ||
175 | { | ||
176 | int ret=0; | ||
177 | |||
178 | if (b->init && (out != NULL)) | ||
179 | { | ||
180 | ret=fread(out,1,(int)outl,(FILE *)b->ptr); | ||
181 | } | ||
182 | return(ret); | ||
183 | } | ||
184 | |||
185 | static int MS_CALLBACK file_write(b,in,inl) | ||
186 | BIO *b; | ||
187 | char *in; | ||
188 | int inl; | ||
189 | { | ||
190 | int ret=0; | ||
191 | |||
192 | if (b->init && (in != NULL)) | ||
193 | { | ||
194 | if (fwrite(in,(int)inl,1,(FILE *)b->ptr)) | ||
195 | ret=inl; | ||
196 | /* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */ | ||
197 | /* acording to Tim Hudson <tjh@cryptsoft.com>, the commented | ||
198 | * out version above can cause 'inl' write calls under | ||
199 | * some stupid stdio implementations (VMS) */ | ||
200 | } | ||
201 | return(ret); | ||
202 | } | ||
203 | |||
204 | static long MS_CALLBACK file_ctrl(b,cmd,num,ptr) | ||
205 | BIO *b; | ||
206 | int cmd; | ||
207 | long num; | ||
208 | char *ptr; | ||
209 | { | ||
210 | long ret=1; | ||
211 | FILE *fp=(FILE *)b->ptr; | ||
212 | FILE **fpp; | ||
213 | char p[4]; | ||
214 | |||
215 | switch (cmd) | ||
216 | { | ||
217 | case BIO_CTRL_RESET: | ||
218 | ret=(long)fseek(fp,num,0); | ||
219 | break; | ||
220 | case BIO_CTRL_EOF: | ||
221 | ret=(long)feof(fp); | ||
222 | break; | ||
223 | case BIO_CTRL_INFO: | ||
224 | ret=ftell(fp); | ||
225 | break; | ||
226 | case BIO_C_SET_FILE_PTR: | ||
227 | file_free(b); | ||
228 | b->shutdown=(int)num; | ||
229 | b->ptr=(char *)ptr; | ||
230 | b->init=1; | ||
231 | #if defined(MSDOS) || defined(WINDOWS) | ||
232 | /* Set correct text/binary mode */ | ||
233 | if (num & BIO_FP_TEXT) | ||
234 | _setmode(fileno((FILE *)ptr),_O_TEXT); | ||
235 | else | ||
236 | _setmode(fileno((FILE *)ptr),_O_BINARY); | ||
237 | #endif | ||
238 | break; | ||
239 | case BIO_C_SET_FILENAME: | ||
240 | file_free(b); | ||
241 | b->shutdown=(int)num&BIO_CLOSE; | ||
242 | if (num & BIO_FP_APPEND) | ||
243 | { | ||
244 | if (num & BIO_FP_READ) | ||
245 | strcpy(p,"a+"); | ||
246 | else strcpy(p,"a"); | ||
247 | } | ||
248 | else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE)) | ||
249 | strcpy(p,"r+"); | ||
250 | else if (num & BIO_FP_WRITE) | ||
251 | strcpy(p,"w"); | ||
252 | else if (num & BIO_FP_READ) | ||
253 | strcpy(p,"r"); | ||
254 | else | ||
255 | { | ||
256 | BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE); | ||
257 | ret=0; | ||
258 | break; | ||
259 | } | ||
260 | #if defined(MSDOS) || defined(WINDOWS) | ||
261 | if (!(num & BIO_FP_TEXT)) | ||
262 | strcat(p,"b"); | ||
263 | else | ||
264 | strcat(p,"t"); | ||
265 | #endif | ||
266 | fp=fopen(ptr,p); | ||
267 | if (fp == NULL) | ||
268 | { | ||
269 | SYSerr(SYS_F_FOPEN,get_last_sys_error()); | ||
270 | ERR_add_error_data(5,"fopen('",ptr,"','",p,"')"); | ||
271 | BIOerr(BIO_F_FILE_CTRL,ERR_R_SYS_LIB); | ||
272 | ret=0; | ||
273 | break; | ||
274 | } | ||
275 | b->ptr=(char *)fp; | ||
276 | b->init=1; | ||
277 | break; | ||
278 | case BIO_C_GET_FILE_PTR: | ||
279 | /* the ptr parameter is actually a FILE ** in this case. */ | ||
280 | if (ptr != NULL) | ||
281 | { | ||
282 | fpp=(FILE **)ptr; | ||
283 | *fpp=(FILE *)b->ptr; | ||
284 | } | ||
285 | break; | ||
286 | case BIO_CTRL_GET_CLOSE: | ||
287 | ret=(long)b->shutdown; | ||
288 | break; | ||
289 | case BIO_CTRL_SET_CLOSE: | ||
290 | b->shutdown=(int)num; | ||
291 | break; | ||
292 | case BIO_CTRL_FLUSH: | ||
293 | fflush((FILE *)b->ptr); | ||
294 | break; | ||
295 | case BIO_CTRL_DUP: | ||
296 | ret=1; | ||
297 | break; | ||
298 | |||
299 | case BIO_CTRL_WPENDING: | ||
300 | case BIO_CTRL_PENDING: | ||
301 | case BIO_CTRL_PUSH: | ||
302 | case BIO_CTRL_POP: | ||
303 | default: | ||
304 | ret=0; | ||
305 | break; | ||
306 | } | ||
307 | return(ret); | ||
308 | } | ||
309 | |||
310 | static int MS_CALLBACK file_gets(bp,buf,size) | ||
311 | BIO *bp; | ||
312 | char *buf; | ||
313 | int size; | ||
314 | { | ||
315 | int ret=0; | ||
316 | |||
317 | buf[0]='\0'; | ||
318 | fgets(buf,size,(FILE *)bp->ptr); | ||
319 | if (buf[0] != '\0') | ||
320 | ret=strlen(buf); | ||
321 | return(ret); | ||
322 | } | ||
323 | |||
324 | static int MS_CALLBACK file_puts(bp,str) | ||
325 | BIO *bp; | ||
326 | char *str; | ||
327 | { | ||
328 | int n,ret; | ||
329 | |||
330 | n=strlen(str); | ||
331 | ret=file_write(bp,str,n); | ||
332 | return(ret); | ||
333 | } | ||
334 | |||
335 | #endif /* NO_STDIO */ | ||
336 | |||
337 | #endif /* HEADER_BSS_FILE_C */ | ||
338 | |||
339 | |||