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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $FreeBSD$
*
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <dirent.h>
#include <md5.h>
int barf[256];
int CheckMode = 0;
int
pstrcmp(const void *pp, const void *qq)
{
return strcmp(*(char **)pp,*(char **)qq);
}
int
Do(char *path)
{
DIR *d;
struct dirent *de;
struct stat st;
int ret=0;
u_char buf[BUFSIZ];
u_char data[BUFSIZ],*q;
int bufp;
MD5_CTX ctx;
int fd,i,j,k,l,npde,nde=0;
char **pde, md5[33];
npde = 1;
pde = malloc(sizeof *pde * (npde+1));
d = opendir(path);
if(!d) { perror(path); return 2; }
if(!strcmp(path,".")) {
*buf = 0;
} else {
strcpy(buf,path);
if(buf[strlen(buf)-1] != '/')
strcat(buf,"/");
}
bufp = strlen(buf);
while((de=readdir(d))) {
if(!strcmp(de->d_name,".")) continue;
if(!strcmp(de->d_name,"..")) continue;
if(nde >= npde) {
npde *= 2;
pde = realloc(pde,sizeof *pde * (npde+1));
}
strcpy(buf+bufp,de->d_name);
if(stat(buf,&st)) {
ret |= 1;
continue;
}
pde[nde] = malloc(strlen(buf+bufp)+1);
strcpy(pde[nde++],buf+bufp);
}
closedir(d);
if(!nde) return 0;
qsort(pde,nde,sizeof *pde, pstrcmp);
for(k=0;k<nde;k++) {
strcpy(buf+bufp,pde[k]);
free(pde[k]);
if(stat(buf,&st)) {
ret |= 1;
continue;
}
switch(st.st_mode & S_IFMT) {
case S_IFDIR:
if(!CheckMode) {
i = printf("d %s %o %u %u - - -\n",
buf,st.st_mode & (~S_IFMT),st.st_uid,st.st_gid);
if(!i)
exit(-1);
}
ret |= Do(buf);
break;
case S_IFREG:
fd = open(buf,O_RDONLY);
if(fd < 0) {
ret |= 1;
continue;
}
MD5Init(&ctx);
l = 1;
j = 0;
while(0 < (i = read(fd,data,sizeof data))) {
l = (data[i-1] == '\n');
if(!CheckMode)
MD5Update(&ctx,data,i);
for(q=data;i && !j;i--)
if(barf[*q++])
j=1;
}
close(fd);
if(CheckMode) {
if(j || !l) {
i = printf("%s",buf);
if(!i) exit(-1);
if(j) printf(" Illegal characters.");
if(!l) printf(" No final newline.");
i = printf(".\n");
if(!i) exit(-1);
}
} else {
if(!l)
j=2;
i = printf("f %s %o %u %u %u %lu %s\n",
buf,st.st_mode & (~S_IFMT),st.st_uid,st.st_gid,
j,(u_long)st.st_size,MD5End(&ctx,md5));
if(!i) exit(-1);
}
break;
default:
fprintf(stderr,"%s: type 0%o\n",buf, st.st_mode & S_IFMT);
ret |= 4;
break;
}
}
free(pde);
return ret;
}
int
main(int argc, char **argv)
{
int i;
/*
* Initialize barf[], characters diff/patch will not appreciate.
*/
barf[0x00] = 1;
barf[0x7f] = 1;
barf[0x80] = 1;
barf[0xff] = 1;
/*
* -c is CheckMode
*/
if (argc > 1 && !strcmp(argv[1],"-c")) {
CheckMode=1;
argc--;
argv++;
}
/*
* First argument, if any, is where to do the work.
*/
if (argc > 1) {
if(chdir(argv[1])) {
perror(argv[1]);
return 2;
}
argc--;
argv++;
}
/*
* Scan the directories recursively.
*/
if (argc > 1) {
while (argc > 1) {
i = Do(argv[1]);
argc--;
argv++;
if (i)
return i;
}
return i;
} else
return Do(".");
}
|
