19
19
* along with this program. If not, see
20
20
* <http://www.gnu.org/licenses/>.
22
* Contact the authors at <mandos@recompile.se>.
22
* Contact the authors at <mandos@fukt.bsnet.se>.
25
25
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
32
32
ENFILE, ENOMEM, EBADF, EINVAL, EIO,
34
34
#include <error.h> /* error() */
35
#include <stdio.h> /* fprintf(), vfprintf(),
37
35
#include <stdlib.h> /* EXIT_FAILURE, NULL, size_t, free(),
38
36
realloc(), EXIT_SUCCESS */
39
37
#include <fcntl.h> /* open(), O_RDONLY */
42
40
#include <sysexits.h> /* EX_OSERR, EX_OSFILE,
43
41
EX_UNAVAILABLE, EX_IOERR */
44
#include <string.h> /* strerror() */
45
#include <stdarg.h> /* va_list, va_start(), ... */
48
/* Function to use when printing errors */
49
__attribute__((format (gnu_printf, 3, 4)))
50
void error_plus(int status, int errnum, const char *formatstring,
56
va_start(ap, formatstring);
57
ret = vasprintf(&text, formatstring, ap);
59
fprintf(stderr, "Mandos plugin %s: ",
60
program_invocation_short_name);
61
vfprintf(stderr, formatstring, ap);
62
fprintf(stderr, ": ");
63
fprintf(stderr, "%s\n", strerror(errnum));
64
error(status, errno, "vasprintf while printing error");
67
fprintf(stderr, "Mandos plugin ");
68
error(status, errnum, "%s", text);
72
44
int main(__attribute__((unused))int argc,
73
45
__attribute__((unused))char **argv){
79
51
ret = mkfifo(passfifo, S_IRUSR | S_IWUSR);
54
error(0, errno, "mkfifo");
86
error_plus(EX_OSFILE, errno, "mkfifo");
91
error_plus(EX_OSERR, errno, "mkfifo");
93
/* no "/lib/cryptsetup"? */
94
error_plus(EX_UNAVAILABLE, errno, "mkfifo");
66
return EX_UNAVAILABLE; /* no "/lib/cryptsetup"? */
96
68
break; /* not an error */
129
101
if(buf_len + blocksize > buf_allocated){
130
102
char *tmp = realloc(buf, buf_allocated + blocksize);
132
error_plus(0, errno, "realloc");
104
error(0, errno, "realloc");
189
161
ret = close(STDOUT_FILENO);
192
error_plus(0, errno, "close");
164
error(0, errno, "close");
195
167
return EX_OSFILE;