Amend previous commit.

[tfcrypt.git] / tfcrypt.c

diff --git a/tfcrypt.c b/tfcrypt.c
index 363e3c4825c8735dcae93c7e10cf338fbcb49056..c8664cca99aad14cbc4cb9e84c4bb964483f5b4a 100644 (file)
--- a/tfcrypt.c
+++ b/tfcrypt.c
@@ -62,9 +62,22 @@ int main(int argc, char **argv)
 
        if (!isatty(2)) do_statline_dynamic = NO;
 
+       s = (char *)srcblk;
+       d = getenv("HOME");
+       if (!d) d = "";
+       n = PATH_MAX > sizeof(srcblk) ? sizeof(srcblk) : PATH_MAX;
+       if (xstrlcpy(s, d, n) >= n) goto _baddfname;
+       if (xstrlcat(s, "/.tfcrypt.defs", n) >= n) goto _baddfname;
+       read_defaults(s, YES);
+_baddfname:
+       memset(s, 0, n);
+
        opterr = 0;
-       while ((c = getopt(argc, argv, "s:aU:C:r:K:t:TPkzxc:l:qedn:vV:pwE:O:S:AmM:R:Z:WHD:")) != -1) {
+       while ((c = getopt(argc, argv, "L:s:aU:C:r:K:t:TPkzxc:l:qedn:vV:pwE:O:S:AmM:R:Z:WHD:")) != -1) {
                switch (c) {
+                       case 'L':
+                               read_defaults(optarg, NO);
+                               break;
                        case 's':
                                saltf = optarg;
                                break;
@@ -903,11 +916,12 @@ _xts2genkey:      if (xwrite(krfd, pblk, TF_FROM_BITS(TFC_KEY_BITS)) == NOSIZE) xerro
                if (!tweakf) skein(key+TF_FROM_BITS(TF_MAX_BITS)+TF_SIZE_UNIT, 2*TF_UNIT_BITS, NULL, key, TF_FROM_BITS(TFC_KEY_BITS));
                tf_key_tweak_compat(key);
        }
-       if (ctr_mode == TFC_MODE_STREAM) tfe_init_iv(&tfe, key, ctr);
        if (ctr_mode == TFC_MODE_ECB) goto _ctrskip2;
        tfc_data_to_words64(&iseek_blocks, sizeof(iseek_blocks));
        tf_ctr_set(ctr, &iseek_blocks, sizeof(iseek_blocks));
 
+       if (ctr_mode == TFC_MODE_STREAM) tfe_init_iv(&tfe, key, ctr);
+
        switch (counter_opt) {
                case TFC_CTR_SHOW:
                        switch (do_outfmt) {