This commit is contained in:
maliakal_d 2021-09-13 16:11:46 +02:00
parent 083aeb200d
commit 47ab9ff1ec

View File

@ -234,7 +234,7 @@ int verifyChecksumFromFile(char *mess, char *clientChecksum, char *fname) {
fclose(fp);
return verifyChecksum(mess, clientChecksum, &c, "copied program");
}
/*
int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
ssize_t fsize) {
LOG(logINFO, ("\tVerifying FlashChecksum...\n"));
@ -331,17 +331,71 @@ int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
printf("\n");
}
}
// last null character (if size does not match)
/*if (fsize == totalBytesRead + 1) {
bytes = 1;
totalBytesRead += bytes;
LOG(logINFO, ("\tRead %lu bytes to calculate checksum\n", totalBytesRead));
fclose(fp);
fclose(flashfp);
return verifyChecksum(mess, clientChecksum, &c, "flash");
}
*/
int verifyChecksumFromFlash(char *mess, char *clientChecksum, char *fname,
ssize_t fsize) {
LOG(logINFO, ("\tVerifying FlashChecksum...\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;
}
FILE *flashfp = fopen(FLASH_CONVERTED_NAME, "w");
if (flashfp == NULL) {
sprintf(mess, "Unable to open %s in write mode to write checksum\n",
FLASH_CONVERTED_NAME);
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;
int oldProgress = 0;
while (bytes > 0) {
int progress = (int)(((double)(totalBytesRead) / fsize) * 100);
if (oldProgress != progress) {
printf("%d%%\r", progress);
fflush(stdout);
oldProgress = progress;
}
if (!MD5_Update(&c, buf, bytes)) {
fclose(fp);
strcpy(mess, "Unable to calculate checksum (MD5_Update)\n");
LOG(logERROR, (mess));
return FAIL;
}
}*/
if (fwrite((void *)buf, sizeof(char), bytes, flashfp) != bytes) {
LOG(logERROR, ("Could not write to flash fp file\n"));
}
// read only until a particular size (drive)
if (fsize != 0 && totalBytesRead >= fsize) {
LOG(logINFOBLUE, ("\tReached %lu bytes. Not reading more\n", totalBytesRead));
break;
}
bytes = fread(buf, 1, readUnitSize, fp);
totalBytesRead += bytes;
}
LOG(logINFO, ("\tRead %lu bytes to calculate checksum\n", totalBytesRead));
fclose(fp);
fclose(flashfp);