1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/* ISC license. */
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h> /* rename() */
#include <errno.h>
#include <signal.h>
#include <skalibs/posixplz.h>
#include <skalibs/types.h>
#include <skalibs/sgetopt.h>
#include <skalibs/buffer.h>
#include <skalibs/strerr.h>
#include <skalibs/djbunix.h>
#include <shibari/config.h>
#include "shibari-cache-config-internal.h"
#define USAGE "shibari-cache-config [ -i textfile ] [ -o cdbfile ] [ -m mode ]"
#define dieusage() strerr_dieusage(100, USAGE)
struct global_s g = GLOBAL_ZERO ;
static inline void conf_output (char const *ofile, unsigned int omode)
{
int fdw ;
cdbmaker cm = CDBMAKER_ZERO ;
size_t olen = strlen(ofile) ;
char otmp[olen + 8] ;
memcpy(otmp, ofile, olen) ;
memcpy(otmp + olen, ":XXXXXX", 8) ;
fdw = mkstemp(otmp) ;
if (fdw == -1) strerr_diefu3sys(111, "open ", otmp, " for writing") ;
if (!cdbmake_start(&cm, fdw))
{
unlink_void(otmp) ;
strerr_diefu2sys(111, "cdmake_start ", otmp) ;
}
if (!conftree_write(&cm))
{
unlink_void(otmp) ;
strerr_diefu2sys(111, "write config tree into ", otmp) ;
}
if (!cdbmake_finish(&cm))
{
unlink_void(otmp) ;
strerr_diefu2sys(111, "cdbmake_finish ", otmp) ;
}
if (fsync(fdw) == -1)
{
unlink_void(otmp) ;
strerr_diefu2sys(111, "fsync ", otmp) ;
}
if (fchmod(fdw, omode & 0777) == -1)
{
unlink_void(otmp) ;
strerr_diefu2sys(111, "fchmod ", otmp) ;
}
if (rename(otmp, ofile) == -1)
{
unlink_void(otmp) ;
strerr_diefu4sys(111, "rename ", otmp, " to ", ofile) ;
}
}
int main (int argc, char const *const *argv, char const *const *envp)
{
char const *ifile = SHIBARI_SYSCONFPREFIX "shibari-cache.conf" ;
char const *ofile = SHIBARI_SYSCONFPREFIX "shibari-cache.conf.cdb" ;
unsigned int omode = 0644 ;
PROG = "shibari-cache-config" ;
{
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "i:o:m:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'i' : ifile = l.arg ; break ;
case 'o' : ofile = l.arg ; break ;
case 'm' : if (!uint0_oscan(l.arg, &omode)) dieusage() ; break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
}
{
int fdr = openc_readb(ifile) ;
char buf[4096] ;
buffer b = BUFFER_INIT(&buffer_read, fdr, buf, 4096) ;
if (fdr == -1) strerr_diefu2sys(111, "open ", ifile) ;
conf_lexparse(&b, ifile) ;
}
conf_defaults() ;
conf_output(ofile, omode) ;
return 0 ;
}
|
