146 lines
4.0 KiB
Plaintext
146 lines
4.0 KiB
Plaintext
$OpenBSD: patch-ctm_ctm_ctm_passb_c,v 1.2 2007/10/31 23:14:46 ajacoutot Exp $
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--- ctm/ctm/ctm_passb.c.orig Wed Oct 31 23:09:23 2007
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+++ ctm/ctm/ctm_passb.c Wed Oct 31 23:10:13 2007
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@@ -0,0 +1,141 @@
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+/*
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+ * ----------------------------------------------------------------------------
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+ * "THE BEER-WARE LICENSE" (Revision 42):
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+ * <koshy@india.hp.com> 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. Joseph Koshy
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+ * ----------------------------------------------------------------------------
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+ *
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+ *
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+ */
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+
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+#include "ctm.h"
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+#define BADREAD 32
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+
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+/*---------------------------------------------------------------------------*/
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+/* PassB -- Backup modified files.
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+ */
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+
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+int
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+PassB(FILE *fd)
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+{
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+ u_char *p,*q;
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+ MD5_CTX ctx;
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+ int i,j,sep,cnt;
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+ u_char *md5=0,*md5before=0,*trash=0,*name=0,*uid=0,*gid=0,*mode=0;
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+ struct CTM_Syntax *sp;
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+ FILE *b = 0; /* backup command */
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+ u_char buf[BUFSIZ];
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+ char md5_1[33];
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+ int ret = 0;
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+ int match = 0;
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+ struct CTM_Filter *filter = NULL;
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+
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+ if(Verbose>3)
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+ printf("PassB -- Backing up files which would be changed.\n");
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+
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+ MD5Init (&ctx);
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+ sprintf(buf, TarCmd, BackupFile);
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+ b=popen(buf, "w");
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+ if(!b) { warn("%s", buf); return Exit_Garbage; }
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+
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+ GETFIELD(p,' '); if(strcmp("CTM_BEGIN",p)) WRONG
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+ GETFIELD(p,' '); if(strcmp(Version,p)) WRONG
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+ GETFIELD(p,' '); if(strcmp(Name,p)) WRONG
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+ GETFIELD(p,' '); if(strcmp(Nbr,p)) WRONG
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+ GETFIELD(p,' '); if(strcmp(TimeStamp,p)) WRONG
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+ GETFIELD(p,'\n'); if(strcmp(Prefix,p)) WRONG
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+
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+ for(;;) {
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+ Delete(md5);
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+ Delete(uid);
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+ Delete(gid);
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+ Delete(mode);
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+ Delete(md5before);
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+ Delete(trash);
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+ Delete(name);
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+ cnt = -1;
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+
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+ GETFIELD(p,' ');
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+
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+ if (p[0] != 'C' || p[1] != 'T' || p[2] != 'M') WRONG
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+
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+ if(!strcmp(p+3,"_END"))
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+ break;
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+
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+ for(sp=Syntax;sp->Key;sp++)
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+ if(!strcmp(p+3,sp->Key))
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+ goto found;
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+ WRONG
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+ found:
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+ for(i=0;(j = sp->List[i]);i++) {
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+ if (sp->List[i+1] && (sp->List[i+1] & CTM_F_MASK) != CTM_F_Bytes)
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+ sep = ' ';
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+ else
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+ sep = '\n';
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+
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+ switch (j & CTM_F_MASK) {
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+ case CTM_F_Name: GETNAMECOPY(name,sep,j, Verbose); break;
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+ case CTM_F_Uid: GETFIELDCOPY(uid,sep); break;
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+ case CTM_F_Gid: GETFIELDCOPY(gid,sep); break;
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+ case CTM_F_Mode: GETFIELDCOPY(mode,sep); break;
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+ case CTM_F_MD5:
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+ if(j & CTM_Q_MD5_Before)
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+ GETFIELDCOPY(md5before,sep);
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+ else
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+ GETFIELDCOPY(md5,sep);
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+ break;
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+ case CTM_F_Count: GETBYTECNT(cnt,sep); break;
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+ case CTM_F_Bytes: GETDATA(trash,cnt); break;
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+ default: WRONG
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+ }
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+ }
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+ /* XXX This should go away. Disallow trailing '/' */
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+ j = strlen(name)-1;
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+ if(name[j] == '/') name[j] = '\0';
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+
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+ if (KeepIt &&
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+ (!strcmp(sp->Key,"DR") || !strcmp(sp->Key,"FR")))
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+ continue;
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+
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+ /* match the name against the elements of the filter list. The
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+ action associated with the last matched filter determines whether
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+ this file should be ignored or backed up. */
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+ match = (FilterList ? !(FilterList->Action) : CTM_FILTER_ENABLE);
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+ for (filter = FilterList; filter; filter = filter->Next) {
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+ if (0 == regexec(&filter->CompiledRegex, name, 0, 0, 0))
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+ match = filter->Action;
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+ }
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+
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+ if (CTM_FILTER_DISABLE == match)
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+ continue;
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+
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+ if (!strcmp(sp->Key,"FS") || !strcmp(sp->Key,"FN") ||
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+ !strcmp(sp->Key,"AS") || !strcmp(sp->Key,"DR") ||
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+ !strcmp(sp->Key,"FR")) {
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+ /* send name to the archiver for a backup */
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+ cnt = strlen(name);
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+ if (cnt != fwrite(name,1,cnt,b) || EOF == fputc('\n',b)) {
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+ warn("%s", name);
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+ pclose(b);
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+ WRONG;
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+ }
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+ }
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+ }
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+
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+ ret = pclose(b);
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+
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+ Delete(md5);
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+ Delete(uid);
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+ Delete(gid);
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+ Delete(mode);
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+ Delete(md5before);
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+ Delete(trash);
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+ Delete(name);
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+
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+ q = MD5End (&ctx,md5_1);
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+ GETFIELD(p,'\n'); /* <MD5> */
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+ if(strcmp(q,p)) WRONG
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+ if (-1 != getc(fd)) WRONG
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+ return ret;
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+}
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