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--- busybox-1.19.2/networking/tftp.c
+++ busybox-1.19.2-tftp/networking/tftp.c
@@ -813,7 +813,8 @@ int tftpd_main(int argc UNUSED_PARAM, ch
goto err;
}
mode = local_file + strlen(local_file) + 1;
- if (mode >= block_buf + result || strcmp(mode, "octet") != 0) {
+ /* RFC 1350 says mode string is case independent */
+ if (mode >= block_buf + result || strcasecmp(mode, "octet") != 0) {
goto err;
}
# if ENABLE_FEATURE_TFTP_BLOCKSIZE
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