detectors/slsDetectorPackage
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maliakal_d
2021-09-10 15:41:17 +02:00
parent 05647d4a8a
commit b844cc7702
4 changed files with 44 additions and 6 deletions
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40
slsDetectorServers/slsDetectorServer/src/common.c
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@@ -196,7 +196,45 @@ int verifyChecksumFromBuffer(char *mess, char *clientChecksum, char *buffer,
return verifyChecksum(mess, clientChecksum, &c);
}
int verifyChecksumFromFile(char *mess, char *clientChecksum, char *fname, ssize_t fsize) {
int verifyChecksumFromFile(char *mess, char *clientChecksum, char *fname) {
LOG(logINFO, ("\tVerifying Checksum...\n"));
FILE *fp = fopen(fname, "r");
if (fp == NULL) {
sprintf(mess, "Unable to open %s in read mode to get checksum\n",
fname);
LOG(logERROR, (mess));
return FAIL;
}
MD5_CTX c;
if (!MD5_Init(&c)) {
fclose(fp);
strcpy(mess, "Unable to calculate checksum (MD5_Init)\n");
LOG(logERROR, (mess));
return FAIL;
}
const int readUnitSize = 128;
char buf[readUnitSize];
ssize_t bytes = fread(buf, 1, readUnitSize, fp);
ssize_t totalBytesRead = bytes;
while (bytes > 0) {
if (!MD5_Update(&c, buf, bytes)) {
fclose(fp);
strcpy(mess, "Unable to calculate checksum (MD5_Update)\n");
LOG(logERROR, (mess));
return FAIL;
}
bytes = fread(buf, 1, readUnitSize, fp);
totalBytesRead += bytes;
}
LOG(logINFO, ("\tRead %lu bytes to calculate checksum\n", totalBytesRead));
fclose(fp);
return verifyChecksum(mess, clientChecksum, &c);
}
int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
ssize_t fsize) {
LOG(logINFO, ("\tVerifying Checksum...\n"));
FILE *fp = fopen(fname, "r");