code initial commit

Signed-off-by: Matthias Gatto <[email protected]>

Makefile

@@ -0,0 +1,2 @@
+osc-get: osc-get.o
+	$(CC) -ljson-c -pedantic -Wall -Wextra osc-get.o -o osc-get

osc-get.c

@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <json-c/json.h>
+
+#define NO_NEW_LINE 1
+
+const char *target_user;
+const char *target_data;
+
+void print_users(struct json_object *js_f, const char *u)
+{
+	json_object_object_foreach(js_f, k, v) {
+		if (u && strcmp(u, k))
+			continue;
+		printf("Acount: '%s'\n", k);
+		printf("ak: %s\nsk: %s\nregion: %s\n",
+		       json_object_to_json_string(
+			       json_object_object_get(v, "access_key")),
+		       json_object_to_json_string(
+			       json_object_object_get(v, "secret_key")),
+		       json_object_to_json_string(
+			       json_object_object_get(v, "region")));
+	}
+}
+
+int main(int ac, char **av)
+{
+	const char *dest = "/.oapi_credentials";
+	char buf[1024];
+	char *home = getenv("HOME");
+	struct json_object *js_f;
+	int mode = 0;
+	int flag = 0;
+
+	for (int i = 1; i < ac; ++i) {
+		if (!strcmp(av[i], "-u")) {
+			mode = 1;
+			if (i + 1 >= ac) {
+				fprintf(stderr, "wrong argument\n");
+				return 1;
+			}
+			target_user = av[i + 1];
+			++i;
+		} else if (!strcmp(av[i], "-ud")) {
+			mode = 2;
+			if (i + 2 >= ac) {
+				fprintf(stderr, "wrong argument\n");
+				return 1;
+			}
+			target_user = av[i + 1];
+			if (!strcmp(av[i+2], "ak") ||
+			    !strcmp(av[i+2], "AK")) {
+				target_data = "access_key";
+			} else if (!strcmp(av[i+2], "sk") ||
+				   !strcmp(av[i+2], "SK")) {
+				target_data = "secret_key";
+			} else {
+				target_data = av[i + 2];
+			}
+			i += 2;
+		} else if (!strcmp(av[i], "-n")) {
+			flag |= NO_NEW_LINE;
+		} else {
+			fprintf(stderr, "unknow argument\n");
+			return 1;
+		}
+	}
+
+	strcpy(stpcpy(buf, home), dest);
+	js_f = json_object_from_file(buf);
+	if (!js_f) {
+		fprintf(stderr, "can't open %s\n", buf);
+		return 1;
+	}
+
+	if (mode == 0 || mode == 1)
+		print_users(js_f, target_user);
+	else if (mode == 2) {
+		printf("%s",
+		       json_object_get_string(
+			       json_object_object_get(
+				       json_object_object_get(js_f,
+							      target_user),
+				       target_data)));
+		if (flag & NO_NEW_LINE)
+			fflush(stdout);
+		else
+			printf("\n");
+	}
+	return 0;
+}