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res_crypto: use ast_file_read_dirs() to iterate

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ASTERISK-30213

Change-Id: I115f5f8942ffcfb23cd2559a55bac8a2eba081e0
This commit is contained in:
Philip Prindeville
2022-09-15 21:45:22 -06:00
committed by George Joseph
parent 2a500b325a
commit 5e2485b5c0
1 changed files with 18 additions and 21 deletions
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39
res/res_crypto.c
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@@ -51,6 +51,7 @@
#include "asterisk/options.h" /* for ast_opt_init_keys */
#include "asterisk/paths.h" /* for ast_config_AST_KEY_DIR */
#include "asterisk/utils.h" /* for ast_copy_string, ast_base64decode */
#include "asterisk/file.h" /* for ast_file_read_dirs */
#define AST_API_MODULE
#include "asterisk/crypto.h" /* for AST_KEY_PUBLIC, AST_KEY_PRIVATE */
@@ -761,6 +762,20 @@ int AST_OPTIONAL_API_NAME(ast_aes_decrypt)(const unsigned char *in, unsigned cha
return res;
}
struct crypto_load_on_file {
int ifd;
int ofd;
int note;
};
static int crypto_load_cb(const char *directory, const char *file, void *obj)
{
struct crypto_load_on_file *on_file = obj;
try_load_key(directory, file, on_file->ifd, on_file->ofd, &on_file->note);
return 0;
}
/*!
* \brief refresh RSA keys from file
* \param ifd file descriptor
@@ -769,9 +784,7 @@ int AST_OPTIONAL_API_NAME(ast_aes_decrypt)(const unsigned char *in, unsigned cha
static void crypto_load(int ifd, int ofd)
{
struct ast_key *key;
DIR *dir = NULL;
struct dirent *ent;
int note = 0;
struct crypto_load_on_file on_file = { ifd, ofd, 0 };
AST_RWLIST_WRLOCK(&keys);
@@ -780,27 +793,11 @@ static void crypto_load(int ifd, int ofd)
key->delme = 1;
}
/* Load new keys */
if ((dir = opendir(ast_config_AST_KEY_DIR))) {
while ((ent = readdir(dir))) {
if (!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
continue;
}
if (ent->d_type == DT_DIR) {
continue;
}
if (ent->d_type != DT_REG) {
ast_log(LOG_WARNING, "Non-regular file '%s' in keys directory\n", ent->d_name);
continue;
}
try_load_key(ast_config_AST_KEY_DIR, ent->d_name, ifd, ofd, &note);
}
closedir(dir);
} else {
if (ast_file_read_dirs(ast_config_AST_KEY_DIR, crypto_load_cb, &on_file, 1) == -1) {
ast_log(LOG_WARNING, "Unable to open key directory '%s'\n", ast_config_AST_KEY_DIR);
}
if (note) {
if (on_file.note) {
ast_log(LOG_NOTICE, "Please run the command 'keys init' to enter the passcodes for the keys\n");
}