| 1 |
/* Mixmaster version 3 -- (C) 1999 Anonymizer Inc.
|
| 2 |
|
| 3 |
Mixmaster may be redistributed and modified under certain conditions.
|
| 4 |
This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
|
| 5 |
ANY KIND, either express or implied. See the file COPYRIGHT for
|
| 6 |
details.
|
| 7 |
|
| 8 |
Utility functions
|
| 9 |
$Id: util.c,v 1.2.2.4 2002/10/10 13:18:45 weaselp Exp $ */
|
| 10 |
|
| 11 |
|
| 12 |
#include "mix3.h"
|
| 13 |
#include <stdlib.h>
|
| 14 |
#include <string.h>
|
| 15 |
#include <ctype.h>
|
| 16 |
#include <fcntl.h>
|
| 17 |
#include <sys/types.h>
|
| 18 |
#include <sys/stat.h>
|
| 19 |
#ifdef POSIX
|
| 20 |
#include <signal.h>
|
| 21 |
#include <errno.h>
|
| 22 |
#include <unistd.h>
|
| 23 |
#include <sys/file.h>
|
| 24 |
#include <termios.h>
|
| 25 |
#else /* end of POSIX */
|
| 26 |
#include <io.h>
|
| 27 |
#endif /* else if not POSIX */
|
| 28 |
#ifdef HAVE_GETKEY
|
| 29 |
#include <pc.h>
|
| 30 |
#endif /* HAVE_GETKEY */
|
| 31 |
#include <assert.h>
|
| 32 |
|
| 33 |
/** string comparison functions. return 1 on match, 0 otherwise ********/
|
| 34 |
|
| 35 |
int strileft(const char *string, const char *keyword)
|
| 36 |
{
|
| 37 |
register unsigned int i;
|
| 38 |
|
| 39 |
for (i = 0; keyword[i] != '\0'; i++)
|
| 40 |
if (tolower(string[i]) != tolower(keyword[i]))
|
| 41 |
return 0;
|
| 42 |
return 1;
|
| 43 |
}
|
| 44 |
|
| 45 |
int striright(const char *string, const char *keyword)
|
| 46 |
{
|
| 47 |
int l;
|
| 48 |
l = strlen(string) - strlen(keyword);
|
| 49 |
return (l >= 0 ? strieq(string + l, keyword) : -1);
|
| 50 |
}
|
| 51 |
|
| 52 |
int strleft(const char *string, const char *keyword)
|
| 53 |
{
|
| 54 |
register unsigned int i;
|
| 55 |
|
| 56 |
for (i = 0; keyword[i] != '\0'; i++)
|
| 57 |
if (string[i] != keyword[i])
|
| 58 |
return 0;
|
| 59 |
return 1;
|
| 60 |
}
|
| 61 |
|
| 62 |
int strifind(const char *string, const char *keyword)
|
| 63 |
{
|
| 64 |
register unsigned int i, j;
|
| 65 |
char k;
|
| 66 |
|
| 67 |
k = tolower(keyword[0]);
|
| 68 |
for (i = 0; string[i] != '\0'; i++) {
|
| 69 |
if (tolower(string[i]) == k) {
|
| 70 |
for (j = 1; keyword[j] != '\0'; j++)
|
| 71 |
if (tolower(string[i + j]) != tolower(keyword[j]))
|
| 72 |
goto next;
|
| 73 |
return 1;
|
| 74 |
}
|
| 75 |
next:
|
| 76 |
;
|
| 77 |
}
|
| 78 |
return 0;
|
| 79 |
}
|
| 80 |
|
| 81 |
int strieq(const char *s1, const char *s2)
|
| 82 |
{
|
| 83 |
register unsigned int i = 0;
|
| 84 |
|
| 85 |
do
|
| 86 |
if (tolower(s1[i]) != tolower(s2[i]))
|
| 87 |
return 0;
|
| 88 |
while (s1[i++] != '\0') ;
|
| 89 |
return 1;
|
| 90 |
}
|
| 91 |
|
| 92 |
int streq(const char *a, const char *b)
|
| 93 |
{
|
| 94 |
return (strcmp(a, b) == 0);
|
| 95 |
}
|
| 96 |
|
| 97 |
int strfind(const char *a, const char *keyword)
|
| 98 |
{
|
| 99 |
return (strstr(a, keyword) != NULL);
|
| 100 |
}
|
| 101 |
|
| 102 |
void strcatn(char *dest, const char *src, int n)
|
| 103 |
{
|
| 104 |
int l;
|
| 105 |
l = strlen(dest);
|
| 106 |
if (l < n)
|
| 107 |
strncpy(dest + l, src, n - l - 1);
|
| 108 |
dest[n-1] = '\0';
|
| 109 |
}
|
| 110 |
|
| 111 |
/** files **************************************************************/
|
| 112 |
|
| 113 |
int mixfile(char *path, const char *name)
|
| 114 |
{
|
| 115 |
assert(path != NULL && name != NULL);
|
| 116 |
|
| 117 |
if (name[0] == DIRSEP || (isalpha(name[0]) && name[1] == ':') || MIXDIR == NULL)
|
| 118 |
strncpy(path, name, PATHMAX);
|
| 119 |
else {
|
| 120 |
strncpy(path, MIXDIR, PATHMAX);
|
| 121 |
strcatn(path, name, PATHMAX);
|
| 122 |
}
|
| 123 |
return (0);
|
| 124 |
}
|
| 125 |
|
| 126 |
FILE *mix_openfile(const char *name, const char *a)
|
| 127 |
{
|
| 128 |
char path[PATHMAX];
|
| 129 |
|
| 130 |
mixfile(path, name);
|
| 131 |
return (fopen(path, a));
|
| 132 |
}
|
| 133 |
|
| 134 |
FILE *openpipe(const char *prog)
|
| 135 |
{
|
| 136 |
FILE *p = NULL;
|
| 137 |
|
| 138 |
#ifdef POSIX
|
| 139 |
p = popen(prog, "w");
|
| 140 |
#endif /* POSIX */
|
| 141 |
#ifdef _MSC
|
| 142 |
p = _popen(prog, "w");
|
| 143 |
#endif /* _MSC */
|
| 144 |
|
| 145 |
if (p == NULL)
|
| 146 |
errlog(ERRORMSG, "Unable to open pipe to %s\n", prog);
|
| 147 |
return p;
|
| 148 |
}
|
| 149 |
|
| 150 |
int
|
| 151 |
file_to_out(const char *filename)
|
| 152 |
{
|
| 153 |
int len;
|
| 154 |
FILE *fp;
|
| 155 |
char chunk[1024];
|
| 156 |
|
| 157 |
if ((fp = mix_openfile(filename, "r")) == NULL)
|
| 158 |
return -1;
|
| 159 |
while ((len = fread(chunk, 1, sizeof(chunk), fp)) > 0)
|
| 160 |
{
|
| 161 |
fwrite(chunk, 1, len, stdout);
|
| 162 |
}
|
| 163 |
fclose (fp);
|
| 164 |
return (len == 0 ? 0 : (-1));
|
| 165 |
}
|
| 166 |
|
| 167 |
int closepipe(FILE *p)
|
| 168 |
{
|
| 169 |
#ifdef POSIX
|
| 170 |
return (pclose(p));
|
| 171 |
#elif defined(_MSC) /* end of POSIX */
|
| 172 |
return (_pclose(p));
|
| 173 |
#else /* end of defined(_MSC) */
|
| 174 |
return -1;
|
| 175 |
#endif /* else if not defined(_MSC), POSIX */
|
| 176 |
}
|
| 177 |
|
| 178 |
/** Base 64 encoding ****************************************************/
|
| 179 |
|
| 180 |
static byte bintoasc[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
| 181 |
static byte asctobin[] =
|
| 182 |
{
|
| 183 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 184 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 185 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 186 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 187 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 188 |
0x80, 0x80, 0x80, 0076, 0x80, 0x80, 0x80, 0077,
|
| 189 |
0064, 0065, 0066, 0067, 0070, 0071, 0072, 0073,
|
| 190 |
0074, 0075, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 191 |
0x80, 0000, 0001, 0002, 0003, 0004, 0005, 0006,
|
| 192 |
0007, 0010, 0011, 0012, 0013, 0014, 0015, 0016,
|
| 193 |
0017, 0020, 0021, 0022, 0023, 0024, 0025, 0026,
|
| 194 |
0027, 0030, 0031, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 195 |
0x80, 0032, 0033, 0034, 0035, 0036, 0037, 0040,
|
| 196 |
0041, 0042, 0043, 0044, 0045, 0046, 0047, 0050,
|
| 197 |
0051, 0052, 0053, 0054, 0055, 0056, 0057, 0060,
|
| 198 |
0061, 0062, 0063, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 199 |
|
| 200 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 201 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 202 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 203 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 204 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 205 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 206 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 207 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 208 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 209 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 210 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 211 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 212 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 213 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 214 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
| 215 |
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
|
| 216 |
};
|
| 217 |
|
| 218 |
void id_encode(byte id[], byte *s)
|
| 219 |
{
|
| 220 |
sprintf
|
| 221 |
(s, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
| 222 |
id[0], id[1], id[2], id[3], id[4], id[5], id[6], id[7], id[8], id[9],
|
| 223 |
id[10], id[11], id[12], id[13], id[14], id[15]);
|
| 224 |
}
|
| 225 |
|
| 226 |
void id_decode(byte *s, byte id[])
|
| 227 |
{
|
| 228 |
int i, x[16];
|
| 229 |
|
| 230 |
sscanf
|
| 231 |
(s, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
| 232 |
x, x + 1, x + 2, x + 3, x + 4, x + 5, x + 6, x + 7, x + 8,
|
| 233 |
x + 9, x + 10, x + 11, x + 12, x + 13, x + 14, x + 15);
|
| 234 |
for (i = 0; i < 16; i++)
|
| 235 |
id[i] = x[i];
|
| 236 |
}
|
| 237 |
|
| 238 |
int encode(BUFFER *in, int linelen)
|
| 239 |
{
|
| 240 |
byte *b, *e;
|
| 241 |
int i, l, m;
|
| 242 |
unsigned long u;
|
| 243 |
BUFFER *out;
|
| 244 |
|
| 245 |
out = buf_new();
|
| 246 |
|
| 247 |
l = in->length;
|
| 248 |
if (l % 3 != 0)
|
| 249 |
l += 2;
|
| 250 |
l = l / 3 * 4;
|
| 251 |
|
| 252 |
if (linelen) {
|
| 253 |
l += l / linelen + (l % linelen > 0 ? 1 : 0);
|
| 254 |
}
|
| 255 |
linelen /= 4; /* blocks of 4 characters */
|
| 256 |
|
| 257 |
buf_prepare(out, l);
|
| 258 |
|
| 259 |
b = in->data;
|
| 260 |
e = out->data;
|
| 261 |
m = in->length - 2;
|
| 262 |
for (i = 0, l = 0; i < m; i += 3) {
|
| 263 |
u = ((unsigned long) b[i] << 16) | ((unsigned long) b[i + 1] << 8) |
|
| 264 |
b[i + 2];
|
| 265 |
*e++ = bintoasc[(u >> 18) & 0x3f];
|
| 266 |
*e++ = bintoasc[(u >> 12) & 0x3f];
|
| 267 |
*e++ = bintoasc[(u >> 6) & 0x3f];
|
| 268 |
*e++ = bintoasc[u & 0x3f];
|
| 269 |
if (linelen && ++l >= linelen) {
|
| 270 |
l = 0;
|
| 271 |
*e++ = '\n';
|
| 272 |
}
|
| 273 |
}
|
| 274 |
if (i < in->length) {
|
| 275 |
*e++ = bintoasc[b[i] >> 2];
|
| 276 |
*e++ = bintoasc[((b[i] << 4) & 0x30) | ((b[i + 1] >> 4) & 0x0f)];
|
| 277 |
if (i + 1 == in->length)
|
| 278 |
*e++ = '=';
|
| 279 |
else
|
| 280 |
*e++ = bintoasc[((b[i + 1] << 2) & 0x3c) | ((b[i + 2] >> 6) & 0x03)];
|
| 281 |
*e++ = '=';
|
| 282 |
++l;
|
| 283 |
}
|
| 284 |
if (linelen && l != 0)
|
| 285 |
*e++ = '\n';
|
| 286 |
*e = '\0';
|
| 287 |
|
| 288 |
assert(out->data + out->length == e);
|
| 289 |
buf_move(in, out);
|
| 290 |
buf_free(out);
|
| 291 |
return (0);
|
| 292 |
}
|
| 293 |
|
| 294 |
int decode(BUFFER *in, BUFFER *out)
|
| 295 |
{
|
| 296 |
int err = 0;
|
| 297 |
register byte c0 = 0, c1 = 0, c2 = 0, c3 = 0;
|
| 298 |
register byte *a, *d, *end;
|
| 299 |
int tempbuf = 0;
|
| 300 |
int i;
|
| 301 |
|
| 302 |
if (in == out) {
|
| 303 |
out = buf_new();
|
| 304 |
tempbuf = 1;
|
| 305 |
}
|
| 306 |
buf_prepare(out, 3 * (in->length - in->ptr) / 4);
|
| 307 |
|
| 308 |
a = in->data + in->ptr;
|
| 309 |
end = in->data + in->length - 3;
|
| 310 |
d = out->data;
|
| 311 |
i = 0;
|
| 312 |
|
| 313 |
while (a < end) {
|
| 314 |
if ((c0 = asctobin[a[0]]) & 0x80 ||
|
| 315 |
(c1 = asctobin[a[1]]) & 0x80 ||
|
| 316 |
(c2 = asctobin[a[2]]) & 0x80 ||
|
| 317 |
(c3 = asctobin[a[3]]) & 0x80) {
|
| 318 |
if (a[0] == '\n') { /* ignore newline */
|
| 319 |
a++;
|
| 320 |
continue;
|
| 321 |
} else if (a[0] == '\r' && a[1] == '\n') { /* ignore crlf */
|
| 322 |
a += 2;
|
| 323 |
continue;
|
| 324 |
} else if (a[0] == '=' && a[1] == '4' && a[2] == '6' && !(asctobin[a[5]] & 0x80) ) {
|
| 325 |
a += 2; /* '=46' at the left of a line really is 'F' */
|
| 326 |
*a = 'F'; /* fix in memory ... */
|
| 327 |
continue;
|
| 328 |
} else if (a[2] == '=' || a[3] == '=') {
|
| 329 |
if (a[0] & 0x80 || (c0 = asctobin[a[0]]) & 0x80 ||
|
| 330 |
a[1] & 0x80 || (c1 = asctobin[a[1]]) & 0x80)
|
| 331 |
err = -1;
|
| 332 |
else if (a[2] == '=')
|
| 333 |
c2 = 0, i += 1;
|
| 334 |
else if (a[2] & 0x80 || (c2 = asctobin[a[2]]) & 0x80)
|
| 335 |
err = -1;
|
| 336 |
else
|
| 337 |
i += 2;
|
| 338 |
if (err == 0) {
|
| 339 |
/* read the correct final block */
|
| 340 |
*d++ = (byte) ((c0 << 2) | (c1 >> 4));
|
| 341 |
*d++ = (byte) ((c1 << 4) | (c2 >> 2));
|
| 342 |
if (a[3] != '=')
|
| 343 |
*d++ = (byte) ((c2 << 6));
|
| 344 |
#if 1
|
| 345 |
if (a + 4 < in->data + in->length) {
|
| 346 |
a += 4;
|
| 347 |
continue; /* support Mixmaster 2.0.3 encoding */
|
| 348 |
}
|
| 349 |
#endif /* 1 */
|
| 350 |
break;
|
| 351 |
}
|
| 352 |
}
|
| 353 |
err = -1;
|
| 354 |
break;
|
| 355 |
}
|
| 356 |
a += 4;
|
| 357 |
|
| 358 |
*d++ = (byte) ((c0 << 2) | (c1 >> 4));
|
| 359 |
*d++ = (byte) ((c1 << 4) | (c2 >> 2));
|
| 360 |
*d++ = (byte) ((c2 << 6) | c3);
|
| 361 |
i += 3;
|
| 362 |
}
|
| 363 |
|
| 364 |
in->ptr = a - in->data;
|
| 365 |
|
| 366 |
assert(i <= out->length);
|
| 367 |
out->length = i;
|
| 368 |
|
| 369 |
if (tempbuf) {
|
| 370 |
buf_move(in, out);
|
| 371 |
buf_free(out);
|
| 372 |
}
|
| 373 |
return (err);
|
| 374 |
}
|
| 375 |
|
| 376 |
LOCK *lockfile(char *filename)
|
| 377 |
{
|
| 378 |
LOCK *l;
|
| 379 |
char name[LINELEN];
|
| 380 |
|
| 381 |
strcpy(name, "lck");
|
| 382 |
if (strchr(filename, DIRSEP))
|
| 383 |
strcatn(name, strrchr(filename, DIRSEP), LINELEN);
|
| 384 |
else
|
| 385 |
strcatn(name, filename, LINELEN);
|
| 386 |
l = malloc(sizeof(LOCK));
|
| 387 |
|
| 388 |
l->name = malloc(PATHMAX);
|
| 389 |
mixfile(l->name, name);
|
| 390 |
l->f = mix_openfile(l->name, "w+");
|
| 391 |
if (l->f)
|
| 392 |
lock(l->f);
|
| 393 |
return (l);
|
| 394 |
}
|
| 395 |
|
| 396 |
int unlockfile(LOCK *l)
|
| 397 |
{
|
| 398 |
if (l->f) {
|
| 399 |
unlock(l->f);
|
| 400 |
fclose(l->f);
|
| 401 |
}
|
| 402 |
unlink(l->name);
|
| 403 |
free(l->name);
|
| 404 |
free(l);
|
| 405 |
return (0);
|
| 406 |
}
|
| 407 |
|
| 408 |
int lock(FILE *f)
|
| 409 |
{
|
| 410 |
#ifndef WIN32
|
| 411 |
struct flock lockstruct;
|
| 412 |
|
| 413 |
lockstruct.l_type = F_WRLCK;
|
| 414 |
lockstruct.l_whence = 0;
|
| 415 |
lockstruct.l_start = 0;
|
| 416 |
lockstruct.l_len = 0;
|
| 417 |
return (fcntl(fileno(f), F_SETLKW, &lockstruct));
|
| 418 |
#else /* end of WIN32 */
|
| 419 |
return (0);
|
| 420 |
#endif /* else if not WIN32 */
|
| 421 |
}
|
| 422 |
|
| 423 |
int unlock(FILE *f)
|
| 424 |
{
|
| 425 |
#ifndef WIN32
|
| 426 |
|
| 427 |
struct flock lockstruct;
|
| 428 |
|
| 429 |
lockstruct.l_type = F_UNLCK;
|
| 430 |
lockstruct.l_whence = 0;
|
| 431 |
lockstruct.l_start = 0;
|
| 432 |
lockstruct.l_len = 0;
|
| 433 |
return (fcntl(fileno(f), F_SETLKW, &lockstruct));
|
| 434 |
#else /* end of not WIN32 */
|
| 435 |
return (0);
|
| 436 |
#endif /* else if WIN32 */
|
| 437 |
}
|
| 438 |
|
| 439 |
/* get passphrase ******************************************************/
|
| 440 |
|
| 441 |
static int getuserpass(BUFFER *b, int mode)
|
| 442 |
{
|
| 443 |
char p[LINELEN];
|
| 444 |
int fd;
|
| 445 |
int n;
|
| 446 |
|
| 447 |
#ifdef HAVE_TERMIOS
|
| 448 |
struct termios attr;
|
| 449 |
|
| 450 |
#endif /* HAVE_TERMIOS */
|
| 451 |
|
| 452 |
if (mode == 0)
|
| 453 |
fprintf(stderr, "enter passphrase: ");
|
| 454 |
else
|
| 455 |
fprintf(stderr, "re-enter passphrase: ");
|
| 456 |
fflush(stderr);
|
| 457 |
#ifndef UNIX
|
| 458 |
#ifdef HAVE_GETKEY
|
| 459 |
for (n = 0; p[n] != '\n' && n < LINELEN; n++) {
|
| 460 |
p[n] = getkey();
|
| 461 |
}
|
| 462 |
p[n] = 0;
|
| 463 |
#else /* end of HAVE_GETKEY */
|
| 464 |
scanf("%127s", p);
|
| 465 |
#endif /* else if not HAVE_GETKEY */
|
| 466 |
#else /* end of not UNIX */
|
| 467 |
fd = open("/dev/tty", O_RDONLY);
|
| 468 |
if (tcgetattr(fd, &attr) != 0)
|
| 469 |
return (-1);
|
| 470 |
attr.c_lflag &= ~ECHO;
|
| 471 |
attr.c_lflag |= ICANON;
|
| 472 |
if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
|
| 473 |
return (-1);
|
| 474 |
|
| 475 |
n = read(fd, p, LINELEN);
|
| 476 |
|
| 477 |
attr.c_lflag |= ECHO;
|
| 478 |
if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
|
| 479 |
return (-1);
|
| 480 |
|
| 481 |
close(fd);
|
| 482 |
fprintf(stderr, "\n");
|
| 483 |
p[n - 1] = 0;
|
| 484 |
#endif /* else if UNIX */
|
| 485 |
if (mode == 0)
|
| 486 |
buf_appends(b, p);
|
| 487 |
else
|
| 488 |
return (bufeq(b, p));
|
| 489 |
return (0);
|
| 490 |
}
|
| 491 |
|
| 492 |
static BUFFER *userpass = NULL;
|
| 493 |
|
| 494 |
int user_pass(BUFFER *key)
|
| 495 |
{
|
| 496 |
if (userpass == NULL) {
|
| 497 |
userpass = buf_new();
|
| 498 |
userpass->sensitive = 1;
|
| 499 |
if (getenv("MIXPASS"))
|
| 500 |
buf_sets(userpass, getenv("MIXPASS"));
|
| 501 |
else if (menu_getuserpass(userpass, 0) == -1)
|
| 502 |
getuserpass(userpass, 0);
|
| 503 |
}
|
| 504 |
buf_set(key, userpass);
|
| 505 |
key->sensitive = 1;
|
| 506 |
return (0);
|
| 507 |
}
|
| 508 |
|
| 509 |
int user_confirmpass(BUFFER *key)
|
| 510 |
{
|
| 511 |
int ok;
|
| 512 |
|
| 513 |
ok = menu_getuserpass(key, 1);
|
| 514 |
if (ok == -1)
|
| 515 |
ok = getuserpass(key, 1);
|
| 516 |
return (ok);
|
| 517 |
}
|
| 518 |
|
| 519 |
void user_delpass(void)
|
| 520 |
{
|
| 521 |
if (userpass)
|
| 522 |
buf_free(userpass);
|
| 523 |
userpass = NULL;
|
| 524 |
}
|
| 525 |
|
| 526 |
int write_pidfile(char *pidfile)
|
| 527 |
{
|
| 528 |
int err = 0;
|
| 529 |
#ifdef POSIX
|
| 530 |
FILE *f;
|
| 531 |
char host[LINELEN], myhostname[LINELEN];
|
| 532 |
int pid, mypid;
|
| 533 |
int assigned;
|
| 534 |
|
| 535 |
mypid = getpid();
|
| 536 |
gethostname(myhostname, LINELEN);
|
| 537 |
myhostname[LINELEN-1] = '\0';
|
| 538 |
|
| 539 |
f = mix_openfile(pidfile, "r+");
|
| 540 |
if (f != NULL) {
|
| 541 |
assert(LINELEN > 71);
|
| 542 |
assigned = fscanf(f, "%d %70s", &pid, host);
|
| 543 |
if (assigned == 2) {
|
| 544 |
if (strcmp(host, myhostname) == 0) {
|
| 545 |
if (kill (pid, 0) == -1) {
|
| 546 |
if (errno == ESRCH) {
|
| 547 |
fprintf(stderr, "Ignoring stale pid file.\n");
|
| 548 |
rewind(f);
|
| 549 |
ftruncate(fileno(f), 0);
|
| 550 |
fprintf(f, "%d %s\n", mypid, myhostname);
|
| 551 |
} else {
|
| 552 |
fprintf(stderr, "Pid file exists and process still running.\n");
|
| 553 |
err = -1;
|
| 554 |
}
|
| 555 |
} else {
|
| 556 |
fprintf(stderr, "Pid file exists and process still running.\n");
|
| 557 |
err = -1;
|
| 558 |
}
|
| 559 |
} else {
|
| 560 |
/* Pid file was written on another host, fail */
|
| 561 |
fprintf(stderr, "Pid file exists and was created on another host (%s).\n", host);
|
| 562 |
err = -1;
|
| 563 |
}
|
| 564 |
} else {
|
| 565 |
fprintf(stderr, "Pid file exists and and could not be parsed.\n");
|
| 566 |
err = -1;
|
| 567 |
}
|
| 568 |
} else {
|
| 569 |
if (errno == ENOENT) {
|
| 570 |
f = mix_openfile(pidfile, "w+");
|
| 571 |
if (f != NULL) {
|
| 572 |
fprintf(f, "%d %s\n", mypid, myhostname);
|
| 573 |
} else {
|
| 574 |
fprintf(stderr, "Could not open pidfile for writing: %s\n", strerror(errno));
|
| 575 |
err = -1;
|
| 576 |
}
|
| 577 |
} else {
|
| 578 |
fprintf(stderr, "Could not open pidfile for readwrite: %s\n", strerror(errno));
|
| 579 |
err = -1;
|
| 580 |
};
|
| 581 |
}
|
| 582 |
if(f)
|
| 583 |
fclose(f);
|
| 584 |
#endif /* POSIX */
|
| 585 |
return (err);
|
| 586 |
}
|
| 587 |
|
| 588 |
int clear_pidfile(char *pidfile)
|
| 589 |
{
|
| 590 |
#ifdef POSIX
|
| 591 |
return (unlink(pidfile));
|
| 592 |
#else /* end of POSIX */
|
| 593 |
return (0);
|
| 594 |
#endif /* else if not POSIX */
|
| 595 |
}
|
| 596 |
|
| 597 |
/* functions missing on some systems *************************************/
|
| 598 |
|
| 599 |
#ifdef __RSXNT__
|
| 600 |
int fileno(FILE *f)
|
| 601 |
{
|
| 602 |
return (f->_handle);
|
| 603 |
}
|
| 604 |
|
| 605 |
#endif /* __RSXNT__ */
|
| 606 |
|
| 607 |
#ifdef _MSC /* Visual C lacks dirent */
|
| 608 |
|
| 609 |
DIR *opendir(const char *name)
|
| 610 |
{
|
| 611 |
DIR *dir;
|
| 612 |
WIN32_FIND_DATA d;
|
| 613 |
char path[PATHMAX];
|
| 614 |
|
| 615 |
dir = malloc(sizeof(HANDLE));
|
| 616 |
|
| 617 |
sprintf(path, "%s%c*", name, DIRSEP);
|
| 618 |
*dir = FindFirstFile(path, &d);
|
| 619 |
/* first file found is "." -- can be safely ignored here */
|
| 620 |
|
| 621 |
if (*dir == INVALID_HANDLE_VALUE) {
|
| 622 |
free(dir);
|
| 623 |
return (NULL);
|
| 624 |
} else
|
| 625 |
return (dir);
|
| 626 |
}
|
| 627 |
|
| 628 |
struct dirent e;
|
| 629 |
struct dirent *readdir(DIR *dir)
|
| 630 |
{
|
| 631 |
WIN32_FIND_DATA d;
|
| 632 |
int ok;
|
| 633 |
|
| 634 |
ok = FindNextFile(*dir, &d);
|
| 635 |
if (ok) {
|
| 636 |
strncpy(e.d_name, d.cFileName, PATHMAX);
|
| 637 |
return (&e);
|
| 638 |
} else
|
| 639 |
return (NULL);
|
| 640 |
}
|
| 641 |
|
| 642 |
int closedir(DIR *dir)
|
| 643 |
{
|
| 644 |
if (dir) {
|
| 645 |
FindClose(*dir);
|
| 646 |
free(dir);
|
| 647 |
return (0);
|
| 648 |
}
|
| 649 |
return (-1);
|
| 650 |
}
|
| 651 |
|
| 652 |
#endif /* _MSC */
|
Parent Directory
| 
Revision Log