150 lines
3.0 KiB
C
150 lines
3.0 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id$
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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#include <dirent.h>
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#include <md5.h>
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int barf[256];
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int
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pstrcmp(const void *pp, const void *qq)
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{
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return strcmp(*(char **)pp,*(char **)qq);
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}
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int
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Do(char *path)
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{
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DIR *d;
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struct dirent *de;
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struct stat st;
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int ret=0;
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u_char buf[BUFSIZ];
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u_char data[BUFSIZ],*q;
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int bufp;
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MD5_CTX ctx;
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int fd,i,j,k,l,npde,nde=0;
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char **pde;
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npde = 1;
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pde = malloc(sizeof *pde * (npde+1));
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d = opendir(path);
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if(!d) { perror(path); return 2; }
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if(!strcmp(path,".")) {
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*buf = 0;
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} else {
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strcpy(buf,path);
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if(buf[strlen(buf)-1] != '/')
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strcat(buf,"/");
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}
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bufp = strlen(buf);
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while((de=readdir(d))) {
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if(!strcmp(de->d_name,".")) continue;
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if(!strcmp(de->d_name,"..")) continue;
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if(nde >= npde) {
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npde *= 2;
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pde = realloc(pde,sizeof *pde * (npde+1));
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}
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strcpy(buf+bufp,de->d_name);
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if(stat(buf,&st)) {
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ret |= 1;
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continue;
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}
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pde[nde] = malloc(strlen(buf+bufp)+1);
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strcpy(pde[nde++],buf+bufp);
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}
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closedir(d);
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if(!nde) return 0;
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qsort(pde,nde,sizeof *pde, pstrcmp);
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for(k=0;k<nde;k++) {
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strcpy(buf+bufp,pde[k]);
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free(pde[k]);
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if(stat(buf,&st)) {
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ret |= 1;
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continue;
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}
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switch(st.st_mode & S_IFMT) {
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case S_IFDIR:
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i = printf("d %s %d %d %d - - -\n",
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buf,st.st_mode & (~S_IFMT),st.st_uid,st.st_gid);
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if(!i)
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exit(-1);
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ret |= Do(buf);
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break;
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case S_IFREG:
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fd = open(buf,O_RDONLY);
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if(fd < 0) {
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ret |= 1;
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continue;
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}
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MD5Init(&ctx);
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l = j = 0;
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while(0 < (i = read(fd,data,sizeof data))) {
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l = (data[i-1] == '\n');
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MD5Update(&ctx,data,i);
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for(q=data;i && !j;i--)
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if(barf[*q++])
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j=1;
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}
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if(!l)
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j=1;
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close(fd);
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i = printf("f %s %o %d %d %d %d %s\n",
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buf,st.st_mode & (~S_IFMT),st.st_uid,st.st_gid,
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j,st.st_size,MD5End(&ctx));
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if(!i)
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exit(-1);
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break;
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default:
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fprintf(stderr,"%s: type 0%o\n",buf, st.st_mode & S_IFMT);
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ret |= 4;
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break;
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}
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}
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free(pde);
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return ret;
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}
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int
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main(int argc, char **argv)
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{
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/*
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* Initialize barf[], characters diff/patch will not appreciate.
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*/
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barf[0x00] = 1;
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barf[0x7f] = 1;
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barf[0x80] = 1;
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barf[0xff] = 1;
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/*
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* First argument, if any, is where to do the work.
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*/
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if (argc > 1) {
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if(chdir(argv[1])) {
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perror(argv[1]);
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return 2;
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}
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}
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/*
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* Scan the directories recursively.
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*/
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return Do(".");
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}
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