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Add signal-protocol locking

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This commit is contained in:
Paul Fariello 2019-02-19 19:38:40 +01:40
parent bfbc8edcad
commit 519cf295f3
2 changed files with 36 additions and 4 deletions
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38
src/omemo/omemo.c
View File

@ -1,13 +1,24 @@
#include <pthread.h>
#include <signal/signal_protocol.h>
#include "config/account.h"
#include "ui/ui.h"
#include "omemo/omemo.h"
#include "omemo/crypto.h"
static void lock(void *user_data);
static void unlock(void *user_data);
struct omemo_context_t {
pthread_mutexattr_t attr;
pthread_mutex_t lock;
};
void
omemo_init(ProfAccount *account)
{
signal_context *global_context;
signal_context *signal_ctx;
omemo_context *ctx = malloc(sizeof(omemo_context));
signal_crypto_provider crypto_provider = {
.random_func = omemo_random_func,
.hmac_sha256_init_func = omemo_hmac_sha256_init_func,
@ -27,14 +38,33 @@ omemo_init(ProfAccount *account)
cons_show("Error initializing Omemo crypto");
}
if (signal_context_create(&global_context, NULL) != 0) {
pthread_mutexattr_init(&ctx->attr);
pthread_mutexattr_settype(&ctx->attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&ctx->lock, &ctx->attr);
if (signal_context_create(&signal_ctx, ctx) != 0) {
cons_show("Error initializing Omemo context");
return;
}
if (signal_context_set_crypto_provider(global_context, &crypto_provider) != 0) {
if (signal_context_set_crypto_provider(signal_ctx, &crypto_provider) != 0) {
cons_show("Error initializing Omemo crypto");
return;
}
//signal_context_set_locking_functions(global_context, lock_function, unlock_function);
signal_context_set_locking_functions(signal_ctx, lock, unlock);
}
static void
lock(void *user_data)
{
omemo_context *ctx = (omemo_context *)user_data;
pthread_mutex_lock(&ctx->lock);
}
static void
unlock(void *user_data)
{
omemo_context *ctx = (omemo_context *)user_data;
pthread_mutex_unlock(&ctx->lock);
}

2
src/omemo/omemo.h
View File

@ -1,3 +1,5 @@
#include "config/account.h"
typedef struct omemo_context_t omemo_context;
void omemo_init(ProfAccount *account);