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Check return values of libgcrypt initialisation.

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Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
This commit is contained in:
Steffen Jaeckel
2025-03-17 17:00:17 +01:00
parent 6bdc557e40
commit 59aa9d64df
2 changed files with 17 additions and 7 deletions
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19
src/omemo/crypto.c
View File

@@ -49,16 +49,25 @@ int
omemo_crypto_init(void)
{
if (!gcry_check_version(GCRYPT_VERSION)) {
return -1;
return GPG_ERR_UNKNOWN_VERSION;
}
gcry_control(GCRYCTL_SUSPEND_SECMEM_WARN);
gcry_error_t ret;
ret = gcry_control(GCRYCTL_SUSPEND_SECMEM_WARN);
if (ret != 0)
return ret;
gcry_control(GCRYCTL_INIT_SECMEM, 16384, 0);
ret = gcry_control(GCRYCTL_INIT_SECMEM, 16384, 0);
if (ret != 0)
return ret;
gcry_control(GCRYCTL_RESUME_SECMEM_WARN);
ret = gcry_control(GCRYCTL_RESUME_SECMEM_WARN);
if (ret != 0)
return ret;
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
ret = gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
if (ret != 0)
return ret;
/* Ask for a first random buffer to ensure CSPRNG is initialized.
* Thus we control the memleak produced by gcrypt initialization and we can

5
src/omemo/omemo.c
View File

@@ -133,8 +133,9 @@ omemo_init(void)
prof_add_shutdown_routine(_omemo_close);
if (omemo_crypto_init() != 0) {
cons_show("Error initializing OMEMO crypto: gcry_check_version() failed");
gcry_error_t crypt_res = omemo_crypto_init();
if (crypt_res != 0) {
cons_show("Error initializing OMEMO crypto: %s", gcry_strerror(crypt_res));
}
pthread_mutexattr_init(&omemo_static_data.attr);