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Exit with Fatal error at startup if the RDB file signature or version is wrong.

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Ref: issue #103
This commit is contained in:
antirez 2011-10-14 16:59:32 +02:00
parent 2e63cfe20d
commit 6d61e5bf5b
2 changed files with 13 additions and 3 deletions
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7
src/rdb.c
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@ -947,19 +947,24 @@ int rdbLoad(char *filename) {
rio rdb; rio rdb;
fp = fopen(filename,"r"); fp = fopen(filename,"r");
if (!fp) return REDIS_ERR; if (!fp) {
errno = ENOENT;
return REDIS_ERR;
}
rioInitWithFile(&rdb,fp); rioInitWithFile(&rdb,fp);
if (rioRead(&rdb,buf,9) == 0) goto eoferr; if (rioRead(&rdb,buf,9) == 0) goto eoferr;
buf[9] = '\0'; buf[9] = '\0';
if (memcmp(buf,"REDIS",5) != 0) { if (memcmp(buf,"REDIS",5) != 0) {
fclose(fp); fclose(fp);
redisLog(REDIS_WARNING,"Wrong signature trying to load DB from file"); redisLog(REDIS_WARNING,"Wrong signature trying to load DB from file");
errno = EINVAL;
return REDIS_ERR; return REDIS_ERR;
} }
rdbver = atoi(buf+5); rdbver = atoi(buf+5);
if (rdbver < 1 || rdbver > 2) { if (rdbver < 1 || rdbver > 2) {
fclose(fp); fclose(fp);
redisLog(REDIS_WARNING,"Can't handle RDB format version %d",rdbver); redisLog(REDIS_WARNING,"Can't handle RDB format version %d",rdbver);
errno = EINVAL;
return REDIS_ERR; return REDIS_ERR;
} }

9
src/redis.c
View File

@ -1802,8 +1802,13 @@ int main(int argc, char **argv) {
if (loadAppendOnlyFile(server.appendfilename) == REDIS_OK) if (loadAppendOnlyFile(server.appendfilename) == REDIS_OK)
redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000); redisLog(REDIS_NOTICE,"DB loaded from append only file: %.3f seconds",(float)(ustime()-start)/1000000);
} else { } else {
if (rdbLoad(server.dbfilename) == REDIS_OK) if (rdbLoad(server.dbfilename) == REDIS_OK) {
redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds",(float)(ustime()-start)/1000000); redisLog(REDIS_NOTICE,"DB loaded from disk: %.3f seconds",
(float)(ustime()-start)/1000000);
} else if (errno != ENOENT) {
redisLog(REDIS_WARNING,"Fatal error loading the DB. Exiting.");
exit(1);
}
} }
if (server.ipfd > 0) if (server.ipfd > 0)
redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port); redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port);