hreese/exim-encrypt-dlfunc
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This commit is contained in:
Heiko Reese
2021-08-17 20:57:58 +02:00
parent 0fe7274c92
commit 4acdfffc65
4 changed files with 178 additions and 103 deletions
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34
src/genkey.c
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@ -32,11 +32,15 @@ void
dump_key_as_exim_config(FILE * f, const char *name, unsigned char *key,
unsigned int keylen)
{
fprintf(f, "%s = \"", name);
for (int i = 0; i < keylen; i++) {
fprintf(f, "\\x%02x", key[i]);
}
fprintf(f, "\"\n");
// encode with base64
unsigned int b64len = sodium_base64_ENCODED_LEN(keylen, sodium_base64_VARIANT_ORIGINAL);
unsigned char *b64string = malloc(b64len);
sodium_bin2base64((char *const) b64string, b64len,
key, keylen,
sodium_base64_VARIANT_ORIGINAL);
fprintf(f, "%s = \"%s\"\n", name, b64string);
free(b64string);
}
void
@ -52,21 +56,6 @@ write_key_files(const char *filebase, const char *varname,
sprintf(exim_filename, "%s_exim.conf", filebase);
sprintf(raw_filename, "%s.raw", filebase);
/*
// open header file
f = fopen(header_filename, "w+");
if (f == NULL) {
fprintf(stderr, "Unable to open %s for writing",
header_filename);
exit(129);
}
// write key as C header
dump_key_as_c_code(f, varname, key, keylen);
// close header file
fclose(f);
*/
// open exim config snippet file
f = fopen(exim_filename, "w+");
if (f == NULL) {
@ -100,11 +89,6 @@ void create_cryptobox_keys(const char *filebase, const char *varname)
unsigned char recipient_pk[crypto_box_PUBLICKEYBYTES];
unsigned char recipient_sk[crypto_box_SECRETKEYBYTES];
while (key_contains_zero(recipient_pk, crypto_box_PUBLICKEYBYTES) &
key_contains_zero(recipient_sk, crypto_box_SECRETKEYBYTES)) {
crypto_box_keypair(recipient_pk, recipient_sk);
}
char pk_filename[4096];
char pk_varname[4096];
char sk_filename[4096];