pass/cat: init

1 files changed, 45 insertions, 8 deletions

diff --git a/pass_util.c b/pass_util.c
index bcc4aaa..47e72f2 100644
--- a/pass_util.c
+++ b/pass_util.c
@@ -11,7 +11,8 @@
 
 #define DEF_PASS_DIR "pass"
 
-char pass_dir[PATH_MAX];
+static char pass_dir[PATH_MAX] = {0};
+static char pass_out[PASS_MAX] = {0};
 
 int set_pass_dir(void);
 
@@ -49,30 +50,66 @@ int pass_init(const char *fpr)
 
 	r = set_pass_dir();
 	if (r)
-		err_die("PASSWORD_STORE_DIR not set");
+		err_die(1, "PASSWORD_STORE_DIR not set");
 
 	r = gpg_key_validate(fpr);
 	if (r)
-		err_die("key not usable, try gpg --full-generate-key");
+		err_die(1, "key not usable, try gpg --full-generate-key");
 
 
 	r = r_mkdir(pass_dir, S_IRWXU);
 	if (r)
-		err_die("%s %s", pass_dir, strerror(errno));
+		err_die(1, "%s %s", pass_dir, strerror(errno));
 
 	r = snprintf(gpg_id_path, sizeof(gpg_id_path), "%s/%s", pass_dir, ".gpg-id");
 	if (r > (int) sizeof(gpg_id_path))
-		err_die("path exceeded PATH_MAX");
+		err_die(1, "path exceeded PATH_MAX");
 
 	gpg_id = fopen(gpg_id_path, "w");
 	if (!gpg_id)
-		err_die("%s %s", gpg_id_path, strerror(errno));
+		err_die(1, "%s %s", gpg_id_path, strerror(errno));
 
 	r = fwrite(fpr, strlen(fpr), 1,gpg_id);
+	fclose(gpg_id);
 	if (!r)
-		err_die("write failed");
+		err_die(1, "write failed");
+
+	return 0;
+}
+
+const char *pass_cat(const char *path)
+{
+	int r;
+	char *rc;
+	char gpg_id_path[PATH_MAX], fpr[FPR_MAX], pass_path[PATH_MAX];
+	FILE *gpg_id;
+
+	r = set_pass_dir();
+	if (r)
+		err_die(NULL, "PASSWORD_STORE_DIR not set");
+
+	r = snprintf(gpg_id_path, sizeof(gpg_id_path), "%s/%s", pass_dir, ".gpg-id");
+	if (r > (int) sizeof(gpg_id_path))
+		err_die(NULL, "path exceeded PATH_MAX");
+
+	gpg_id = fopen(gpg_id_path, "r");
+	if (!gpg_id)
+		err_die(NULL, "%s %s", gpg_id_path, strerror(errno));
+
+	rc = fgets(fpr, sizeof(fpr), gpg_id);
+	if (!rc)
+		err_die(NULL, "failed to read %s", gpg_id_path);
 
 	fclose(gpg_id);
 
-	return 0;
+	r = gpg_key_validate(fpr);
+	if (r)
+		err_die(NULL, "key not usable, try gpg --list-keys");
+
+	r = snprintf(pass_path, sizeof(pass_path), "%s/%s.gpg", pass_dir, path);
+	if (r > (int) sizeof(gpg_id_path))
+		err_die(NULL, "path exceeded PATH_MAX");
+
+	r = gpg_decrypt(fpr, pass_path, pass_out, sizeof(pass_out));
+	return r ? NULL : pass_out;
 }