static int get_cipher_list(void) {
pj_status_t status;
pj_ssl_cipher ciphers[100];
unsigned cipher_num;
unsigned i;
cipher_num = PJ_ARRAY_SIZE(ciphers);
status = pj_ssl_cipher_get_availables(ciphers, &cipher_num);
if (status != PJ_SUCCESS) {
app_perror("...FAILED to get available ciphers", status);
return status;
}
PJ_LOG(3, ("", "...Found %u ciphers:", cipher_num));
for (i = 0; i < cipher_num; ++i) {
const char* st;
st = pj_ssl_cipher_name(ciphers[i]);
if (st == NULL)
st = "[Unknown]";
PJ_LOG(3, ("", "...%3u: 0x%08x=%s", i+1, ciphers[i], st));
}
return PJ_SUCCESS;
}
static char *handle_pjsip_list_ciphers(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
pj_ssl_cipher ciphers[100];
unsigned int cipher_num = PJ_ARRAY_SIZE(ciphers);
char *buf;
switch (cmd) {
case CLI_INIT:
e->command = "pjsip list ciphers";
e->usage = "Usage: pjsip list ciphers\n"
" List available OpenSSL cipher names.\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (pj_ssl_cipher_get_availables(ciphers, &cipher_num) || !cipher_num) {
buf = NULL;
} else {
cipher_to_str(&buf, ciphers, cipher_num);
}
if (!ast_strlen_zero(buf)) {
ast_cli(a->fd, "Available ciphers: '%s'\n", buf);
} else {
ast_cli(a->fd, "No available ciphers\n");
}
ast_free(buf);
return CLI_SUCCESS;
}
/* Check if the specified cipher is supported by SSL/TLS backend. */
PJ_DEF(pj_bool_t) pj_ssl_cipher_is_supported(pj_ssl_cipher cipher)
{
unsigned i;
if (ciphers_num_ == 0) {
pj_ssl_cipher c[1];
i = 0;
pj_ssl_cipher_get_availables(c, &i);
}
for (i = 0; i < ciphers_num_; ++i) {
if (cipher == ciphers_[i].id)
return PJ_TRUE;
}
return PJ_FALSE;
}
/* Get cipher identifier */
PJ_DEF(pj_ssl_cipher) pj_ssl_cipher_id(const char *cipher_name)
{
unsigned i;
if (ciphers_num_ == 0) {
pj_ssl_cipher c[1];
i = 0;
pj_ssl_cipher_get_availables(c, &i);
}
for (i = 0; i < ciphers_num_; ++i) {
if (!pj_ansi_stricmp(ciphers_[i].name, cipher_name))
return ciphers_[i].id;
}
return PJ_TLS_UNKNOWN_CIPHER;
}
/* Get cipher name string */
PJ_DEF(const char*) pj_ssl_cipher_name(pj_ssl_cipher cipher)
{
unsigned i;
if (ciphers_num_ == 0) {
pj_ssl_cipher c[1];
i = 0;
pj_ssl_cipher_get_availables(c, &i);
}
for (i = 0; i < ciphers_num_; ++i) {
if (cipher == ciphers_[i].id)
return ciphers_[i].name;
}
return NULL;
}
/*! \brief Helper function which turns a cipher name into an identifier */
static pj_ssl_cipher cipher_name_to_id(const char *name)
{
pj_ssl_cipher ciphers[100];
pj_ssl_cipher id = 0;
unsigned int cipher_num = PJ_ARRAY_SIZE(ciphers);
int pos;
const char *pos_name;
if (pj_ssl_cipher_get_availables(ciphers, &cipher_num)) {
return 0;
}
for (pos = 0; pos < cipher_num; ++pos) {
pos_name = pj_ssl_cipher_name(ciphers[pos]);
if (!pos_name || strcmp(pos_name, name)) {
continue;
}
id = ciphers[pos];
break;
}
return id;
}
