static void
detectFileType(char *name)
{
FILE *fp;
char *typeName;
char hdr[9];
int r = -1;
if(!strcmp(name, "-"))
fp = stdin;
else {
if((fp = fopen(name, "r")) == NULL) {
perror(name);
goto err;
}
}
if((r = rsgt_tlvrdHeader(fp, (uchar*)hdr)) != 0) goto err;
if(!strcmp(hdr, "LOGSIG10"))
typeName = "Log Signature File, Version 10";
else if(!strcmp(hdr, "GTSTAT10"))
typeName = "rsyslog GuardTime Signature State File, Version 10";
else
typeName = "unknown";
printf("%s: %s [%s]\n", name, hdr, typeName);
if(fp != stdin)
fclose(fp);
return;
err: fprintf(stderr, "error %d (%s) processing file %s\n", r, RSGTE2String(r), name);
}
/**
* Read the file header and compare it to the expected value.
* The file pointer is placed right after the header.
* @param[in] fp file pointer of tlv file
* @param[in] excpect expected header (e.g. "LOGSIG10")
* @returns 0 if ok, something else otherwise
*/
int
rsgt_chkFileHdr(FILE *fp, char *expect)
{
int r;
char hdr[9];
if((r = rsgt_tlvrdHeader(fp, (uchar*)hdr)) != 0) goto done;
if(strcmp(hdr, expect))
r = RSGTE_INVLHDR;
else
r = 0;
done:
return r;
}
static void
dumpFile(char *name)
{
FILE *fp;
char hdr[9];
void *obj;
tlvrecord_t rec;
int r = -1;
if(!strcmp(name, "-"))
fp = stdin;
else {
printf("Processing file %s:\n", name);
if((fp = fopen(name, "r")) == NULL) {
perror(name);
goto err;
}
}
if((r = rsgt_tlvrdHeader(fp, (uchar*)hdr)) != 0) goto err;
if(!strcmp(hdr, "LOGSIG10"))
printf("File Header: Version 10 (deprecated) - conversion needed.\n");
else if(!strcmp(hdr, "LOGSIG11"))
printf("File Header: Version 11\n");
else
printf("File Header: '%s'\n", hdr);
while(1) { /* we will err out on EOF */
if((r = rsgt_tlvrd(fp, &rec, &obj)) != 0) {
if(feof(fp))
break;
else
goto err;
}
rsgt_tlvprint(stdout, rec.tlvtype, obj, verbose);
rsgt_objfree(rec.tlvtype, obj);
}
if(fp != stdin)
fclose(fp);
return;
err:
fprintf(stderr, "error %d (%s) processing file %s\n", r, RSGTE2String(r), name);
}
static void
convertFile(char *name)
{
FILE *oldsigfp = NULL, *newsigfp = NULL;
char hdr[9];
int r = -1;
char newsigfname[4096];
char oldsigfname[4096];
if(!strcmp(name, "-"))
oldsigfp = stdin;
else {
printf("Processing file %s:\n", name);
if((oldsigfp = fopen(name, "r")) == NULL) {
perror(name);
goto err;
}
}
if((r = rsgt_tlvrdHeader(oldsigfp, (uchar*)hdr)) != 0) goto err;
if(!strcmp(hdr, "LOGSIG10")) {
printf("Found Signature File with Version 10 - starting conversion.\n");
snprintf(newsigfname, sizeof(newsigfname), "%s.LOGSIG11", name);
snprintf(oldsigfname, sizeof(oldsigfname), "%s.LOGSIG10", name);
if((newsigfp = fopen(newsigfname, "w")) == NULL) {
perror(newsigfname);
r = RSGTE_IO;
goto err;
}
else {
/* Write FileHeader first */
if ( fwrite(LOGSIGHDR, sizeof(LOGSIGHDR)-1, 1, newsigfp) != 1) goto err;
}
if ((r = rsgt_ConvertSigFile(oldsigfp, newsigfp, verbose)) != 0)
goto err;
else {
/* Close FILES */
if(oldsigfp != stdin)
fclose(oldsigfp);
if (newsigfp != NULL)
fclose(newsigfp);
/* Delete OLDFILE if there is one*/
if(unlink(oldsigfname) != 0) {
if(errno != ENOENT) {
perror("Error removing old file");
r = RSGTE_IO;
goto err;
}
}
/* Copy main sigfile to oldfile */
if(link(name, oldsigfname) != 0) {
perror("Error moving old file");
r = RSGTE_IO;
goto err;
}
/* Delete current sigfile*/
if(unlink(name) != 0) {
if(errno != ENOENT) {
perror("Error removing old file");
r = RSGTE_IO;
goto err;
}
}
/* Copy new sigfile to main sigfile */
if(link(newsigfname, name) != 0) {
perror("Error moving new file");
r = RSGTE_IO;
goto err;
}
/* Delete temporary new sigfile*/
if(unlink(newsigfname) != 0) {
if(errno != ENOENT) {
perror("Error removing new file");
r = RSGTE_IO;
goto err;
}
}
printf("File %s was converted to Version 11.\n", name);
}
}
else
printf("File does not need to be converted, File Header is: '%s'\n", hdr);
return;
err:
fprintf(stderr, "error %d (%s) converting file %s\n", r, RSGTE2String(r), name);
}