Extract tiger.[ch] and utils.[ch] as common code.
[doldaconnect.git] / config / tthsum.c
CommitLineData
2ae5dacf 1/*
2 * Dolda Connect - Modular multiuser Direct Connect-style client
3 * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com)
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/
19
20/* This frankenfile is built from bits and pieces of the daemon. The
21 * copying and pasting is very ugly, but it doesn't *really*
22 * matter. */
23
24#include <stdlib.h>
25#include <unistd.h>
26#include <stdio.h>
27#include <string.h>
28#include <fcntl.h>
29#include <errno.h>
641e098a 30#include <sys/stat.h>
2ae5dacf 31
32#ifdef HAVE_CONFIG_H
33#include <config.h>
34#endif
8b17e919 35#include <tiger.h>
36#include <utils.h>
2ae5dacf 37
8b17e919 38char buf[32768];
2ae5dacf 39
8b17e919 40static char *base64enc2(char *data, size_t datalen)
2ae5dacf 41{
8b17e919 42 static char *res = NULL;
2ae5dacf 43
8b17e919 44 if(res != NULL)
45 free(res);
46 res = base64encode(data, datalen);
47 return(res);
2ae5dacf 48}
49
8b17e919 50static char *base64dec2(char *data, size_t *datalen)
2ae5dacf 51{
8b17e919 52 static char *res = NULL;
2ae5dacf 53
8b17e919 54 if(res != NULL)
55 free(res);
56 res = base64decode(data, datalen);
57 return(res);
2ae5dacf 58}
59
60int main(int argc, char **argv)
61{
62 int i, ret;
63 int c, fd, outfd;
64 int len, len2;
65 int filter, output;
66 struct tigertreehash tth;
8b17e919 67 char *dec, *enc;
2ae5dacf 68 char res[24];
69 char *statefile;
70 FILE *state;
641e098a 71 int progress, bytes;
72 struct stat sb;
2ae5dacf 73
74 filter = 0;
75 output = 4;
76 outfd = 3;
641e098a 77 progress = 0;
2ae5dacf 78 statefile = NULL;
641e098a 79 while((c = getopt(argc, argv, "phf456F:s:")) != -1) {
2ae5dacf 80 switch(c) {
81 case '4':
82 case '5':
83 case '6':
84 output = c - '0';
85 break;
641e098a 86 case 'p':
87 progress = 1;
88 break;
2ae5dacf 89 case 'f':
90 filter = 1;
91 break;
92 case 'F':
93 outfd = atoi(optarg);
94 break;
95 case 's':
96 statefile = optarg;
97 break;
98 case 'h':
99 case ':':
100 case '?':
101 default:
102 fprintf(stderr, "usage: tigersum [-h456] FILE...\n");
103 fprintf(stderr, " tigersum [-h456] [-F OUTFD] [-s STATEFILE] -f\n");
104 exit((c == 'h')?0:1);
105 }
106 }
107 if(filter) {
108 inittigertree(&tth);
109 if(statefile != NULL)
110 {
111 if(((state = fopen(statefile, "r")) == NULL) && (errno != ENOENT)) {
112 fprintf(stderr, "tigersum: %s: %s\n", statefile, strerror(errno));
113 exit(1);
114 }
115 if(state != NULL) {
116 if(fgets(buf, sizeof(buf), state) == NULL) {
117 fprintf(stderr, "tigersum: %s: could not read entire state\n", statefile);
118 exit(1);
119 }
120 tth.blocks = atoi(buf);
121 if(fgets(buf, sizeof(buf), state) == NULL) {
122 fprintf(stderr, "tigersum: %s: could not read entire state\n", statefile);
123 exit(1);
124 }
125 tth.depth = atoi(buf);
126 for(i = 0; i < tth.depth; i++) {
127 if(fgets(buf, sizeof(buf), state) == NULL) {
128 fprintf(stderr, "tigersum: %s: could not read entire state\n", statefile);
129 exit(1);
130 }
8b17e919 131 dec = base64dec2(buf, &ret);
2ae5dacf 132 if(ret != 24) {
133 fprintf(stderr, "tigersum: %s: illegal state\n", statefile);
134 exit(1);
135 }
8b17e919 136 memcpy(tth.stack[i], dec, 24);
2ae5dacf 137 }
138 if(fgets(buf, sizeof(buf), state) == NULL) {
139 fprintf(stderr, "tigersum: %s: could not read entire state\n", statefile);
140 exit(1);
141 }
142 tth.offset = atoi(buf);
143 if(fgets(buf, sizeof(buf), state) == NULL) {
144 fprintf(stderr, "tigersum: %s: could not read entire state\n", statefile);
145 exit(1);
146 }
8b17e919 147 dec = base64dec2(buf, &ret);
2ae5dacf 148 if(ret != tth.offset) {
149 fprintf(stderr, "tigersum: %s: illegal state\n", statefile);
150 exit(1);
151 }
8b17e919 152 memcpy(&tth.block, dec, tth.offset);
2ae5dacf 153 fclose(state);
9de0d082 154 unlink(statefile);
2ae5dacf 155 }
156 }
157 while(1) {
158 ret = read(0, buf, sizeof(buf));
159 if(ret < 0) {
160 perror("tigersum: read");
161 exit(1);
162 }
163 if(ret == 0)
164 break;
165 len = ret;
166 for(len2 = 0; len2 < len; len2 += ret) {
167 if((ret = write(1, buf, ret)) < 0) {
168 perror("tigersum: write");
169 exit(1);
170 }
171 }
172 dotigertree(&tth, buf, len);
173 }
174 if(statefile != NULL) {
175 if((state = fopen(statefile, "w")) == NULL) {
176 fprintf(stderr, "tigersum: %s: %s\n", statefile, strerror(errno));
177 exit(1);
178 }
179 fprintf(state, "%i\n", tth.blocks);
180 fprintf(state, "%i\n", tth.depth);
181 for(i = 0; i < tth.depth; i++) {
8b17e919 182 enc = base64enc2(tth.stack[i], 24);
183 fprintf(state, "%s\n", enc);
2ae5dacf 184 }
185 fprintf(state, "%i\n", tth.offset);
8b17e919 186 enc = base64enc2(tth.block, tth.offset);
187 fputs(enc, state);
2ae5dacf 188 fputc('\n', state);
189 fclose(state);
190 }
191 synctigertree(&tth);
192 restigertree(&tth, res);
193 if(output == 4)
8b17e919 194 enc = hexencode(res, 24);
2ae5dacf 195 else if(output == 5)
8b17e919 196 enc = base32encode(res, 24);
2ae5dacf 197 else if(output == 6)
8b17e919 198 enc = base64encode(res, 24);
199 for(len = 0; len < strlen(enc); len += ret) {
200 if((ret = write(outfd, enc + len, strlen(enc) - len)) < 0) {
2ae5dacf 201 perror("tigersum: output");
202 exit(1);
203 }
204 }
8b17e919 205 free(enc);
2ae5dacf 206 write(outfd, "\n", 1);
207 } else {
208 for(i = optind; i < argc; i++) {
209 if(!strcmp(argv[i], "-")) {
210 fd = 0;
211 } else {
212 if((fd = open(argv[i], O_RDONLY)) < 0) {
213 fprintf(stderr, "tigersum: %s: %s\n", argv[i], strerror(errno));
214 exit(1);
215 }
216 }
641e098a 217 if(progress) {
218 fstat(fd, &sb);
219 if(!S_ISREG(sb.st_mode))
220 sb.st_size = -1;
221 bytes = 0;
222 }
2ae5dacf 223 inittigertree(&tth);
224 while(1) {
225 ret = read(fd, buf, sizeof(buf));
226 if(ret < 0) {
227 perror("tigersum: read");
228 exit(1);
229 }
641e098a 230 if(progress) {
231 if((bytes == 0) || ((bytes & ~0xFFFFF) != ((bytes + ret) & ~0xFFFFF))) {
232 bytes += ret;
233 fprintf(stderr, "\033[1G");
234 if(argc - optind > 1)
235 fprintf(stderr, "%s: ", argv[i]);
236 if(sb.st_size < 0) {
237 fprintf(stderr, "%i", bytes);
238 } else {
239 fprintf(stderr, "%i%%", (int)(((float)bytes / (float)sb.st_size) * 100.0));
240 }
241 fprintf(stderr, "\033[K");
242 fflush(stderr);
243 } else {
244 bytes += ret;
245 }
246 }
2ae5dacf 247 if(ret == 0)
248 break;
249 dotigertree(&tth, buf, ret);
250 }
641e098a 251 if(progress)
252 fprintf(stderr, "\n");
2ae5dacf 253 synctigertree(&tth);
254 restigertree(&tth, res);
255 if(output == 4)
8b17e919 256 enc = hexencode(res, 24);
2ae5dacf 257 else if(output == 5)
8b17e919 258 enc = base32encode(res, 24);
2ae5dacf 259 else if(output == 6)
8b17e919 260 enc = base64encode(res, 24);
2ae5dacf 261 if(argc - optind > 1)
8b17e919 262 printf("%s %s\n", enc, argv[i]);
2ae5dacf 263 else
8b17e919 264 printf("%s\n", enc);
265 free(enc);
641e098a 266 fflush(stdout);
2ae5dacf 267 close(fd);
268 }
269 }
270 return(0);
271}