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#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
pstrcmp(char **p, char **q)
{
return strcmp(*p,*q);
}
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;
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;
}
if((st.st_mode & S_IFMT) == S_IFDIR) {
strcat(buf,"/");
}
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:
i = printf("d %s %o %d %d - - -\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 = j = 0;
while(0 < (i = read(fd,data,sizeof data))) {
l = (data[i-1] == '\n');
MD5Update(&ctx,data,i);
for(q=data;i && !j;i--)
if(barf[*q++])
j=1;
}
if(!l)
j=1;
close(fd);
i = printf("f %s %o %d %d %d %d %s\n",
buf,st.st_mode & (~S_IFMT),st.st_uid,st.st_gid,
j,st.st_size,MD5End(&ctx));
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)
{
/*
* Initialize barf[], characters diff/patch will not appreciate.
*/
barf[0x00] = 1;
barf[0x7f] = 1;
barf[0x80] = 1;
barf[0xff] = 1;
/*
* First argument, if any, is where to do the work.
*/
if (argc > 1) {
if(chdir(argv[1])) {
perror(argv[1]);
return 2;
}
}
/*
* Scan the directories recursively.
*/
return Do(".");
}
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