hreese/exim-encrypt-dlfunc
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fix: Standardized indention using "indent -linux"

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This commit is contained in:
Heiko Reese
2021-08-11 01:52:11 +02:00
parent 675b37002e
commit 72549d0649
2 changed files with 35 additions and 25 deletions
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22
src/genkey.c
View File

@ -1,6 +1,9 @@
#include <sodium.h> #include <sodium.h>
void dump_key_as_c_code(FILE* f, const char * name, unsigned char * key, unsigned int keylen) { void
dump_key_as_c_code(FILE * f, const char *name, unsigned char *key,
unsigned int keylen)
{
fprintf(f, "const unsigned char %s[] = { ", name); fprintf(f, "const unsigned char %s[] = { ", name);
for (int i = 0; i < keylen; i++) { for (int i = 0; i < keylen; i++) {
fprintf(f, "0x%02x", key[i]); fprintf(f, "0x%02x", key[i]);
@ -12,7 +15,10 @@ void dump_key_as_c_code(FILE* f, const char * name, unsigned char * key, unsigne
fprintf(f, "const unsigned int %s_length = %d;\n", name, keylen); fprintf(f, "const unsigned int %s_length = %d;\n", name, keylen);
} }
void write_key_files(const char * filebase, const char * varname, unsigned char * key, unsigned int keylen) { void
write_key_files(const char *filebase, const char *varname,
unsigned char *key, unsigned int keylen)
{
char header_filename[4096]; char header_filename[4096];
char raw_filename[4096]; char raw_filename[4096];
@ -22,10 +28,10 @@ void write_key_files(const char * filebase, const char * varname, unsigned char
// open header file // open header file
FILE *hfile = fopen(header_filename, "w+"); FILE *hfile = fopen(header_filename, "w+");
if (hfile == NULL) { if (hfile == NULL) {
fprintf(stderr, "Unable to open %s for writing", header_filename); fprintf(stderr, "Unable to open %s for writing",
header_filename);
exit(129); exit(129);
} }
// write key as C code // write key as C code
dump_key_as_c_code(hfile, varname, key, keylen); dump_key_as_c_code(hfile, varname, key, keylen);
@ -38,7 +44,6 @@ void write_key_files(const char * filebase, const char * varname, unsigned char
fprintf(stderr, "Unable to open %s for writing", raw_filename); fprintf(stderr, "Unable to open %s for writing", raw_filename);
exit(129); exit(129);
} }
// write key // write key
fwrite(key, sizeof(key[0]), keylen, rfile); fwrite(key, sizeof(key[0]), keylen, rfile);
@ -58,9 +63,10 @@ int main(void)
unsigned char recipient_sk[crypto_box_SECRETKEYBYTES]; unsigned char recipient_sk[crypto_box_SECRETKEYBYTES];
crypto_box_keypair(recipient_pk, recipient_sk); crypto_box_keypair(recipient_pk, recipient_sk);
write_key_files("recipient_pk", "recipient_pk", recipient_pk, crypto_box_PUBLICKEYBYTES); write_key_files("recipient_pk", "recipient_pk", recipient_pk,
write_key_files("recipient_sk", "recipient_sk", recipient_sk, crypto_box_SECRETKEYBYTES); crypto_box_PUBLICKEYBYTES);
write_key_files("recipient_sk", "recipient_sk", recipient_sk,
crypto_box_SECRETKEYBYTES);
exit(EXIT_SUCCESS); exit(EXIT_SUCCESS);
} }

12
src/libexim-kitencrypt-dlfunc.c
View File

@ -12,7 +12,8 @@
/* /*
* Encrypt first argument with fixed public key from recipient_pk.h * Encrypt first argument with fixed public key from recipient_pk.h
*/ */
int sodium_crypto_box_seal_kit(uschar **yield, int argc, uschar *argv[]) { int sodium_crypto_box_seal_kit(uschar ** yield, int argc, uschar * argv[])
{
size_t messagelen; size_t messagelen;
unsigned char *message; unsigned char *message;
@ -21,10 +22,11 @@ int sodium_crypto_box_seal_kit(uschar **yield, int argc, uschar *argv[]) {
return ERROR; return ERROR;
} }
if (argc != 1) { if (argc != 1) {
*yield = string_sprintf("Wrong number of arguments (got %i, expected 1)", argc); *yield =
string_sprintf
("Wrong number of arguments (got %i, expected 1)", argc);
return ERROR; return ERROR;
} }
// get cleartext message // get cleartext message
message = argv[0]; message = argv[0];
messagelen = strlen((const char *)message); messagelen = strlen((const char *)message);
@ -38,7 +40,9 @@ int sodium_crypto_box_seal_kit(uschar **yield, int argc, uschar *argv[]) {
crypto_box_seal(ciphertext, message, messagelen, recipient_pk); crypto_box_seal(ciphertext, message, messagelen, recipient_pk);
// base64-encode the ciphertext // base64-encode the ciphertext
unsigned int outputsize = sodium_base64_ENCODED_LEN(cipherlen, sodium_base64_VARIANT_ORIGINAL); unsigned int outputsize =
sodium_base64_ENCODED_LEN(cipherlen,
sodium_base64_VARIANT_ORIGINAL);
unsigned char *outstring = malloc(outputsize); unsigned char *outstring = malloc(outputsize);
sodium_memzero(outstring, outputsize); sodium_memzero(outstring, outputsize);