From 1da345f8b311783a5956d36851d810da2fb699fa Mon Sep 17 00:00:00 2001
From: GreekStapler <dvmap@protonmail.com>
Date: Wed, 25 Jan 2023 23:10:53 +0100
Subject: [PATCH] refactor: Added SHA256 to package description file.

---
 src/package/package.c | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/src/package/package.c b/src/package/package.c
index bd77f3e..932ac32 100644
--- a/src/package/package.c
+++ b/src/package/package.c
@@ -5,7 +5,7 @@
 #define ADD_STRING(section, field) if (pkg_info->field != 0) { \
 	snprintf(aux, SMALL_BUFF_SIZE, section, pkg_info->field); \
 	if (buff_size < strlen(description) + SMALL_BUFF_SIZE + 1) { \
-		description = realloc(description, buff_size * 2);\
+		description = realloc(description, buff_size * 2); \
 		buff_size *= 2; \
 	} \
 	strcat(description, aux); \
@@ -13,14 +13,14 @@
 #define ADD_ARRAY(section, field) i = 0; if (pkg_info->field != NULL) { \
 	snprintf(aux, SMALL_BUFF_SIZE, section, pkg_info->field->array[i]); i++; \
 	if (buff_size < strlen(description) + SMALL_BUFF_SIZE + 1) { \
-		description = realloc(description, buff_size * 2);\
+		description = realloc(description, buff_size * 2); \
 		buff_size *= 2; \
 	} \
 	strcat(description, aux); \
 	while (pkg_info->field->array[i] != NULL) { \
 	snprintf(aux, SMALL_BUFF_SIZE, "\n%s", pkg_info->field->array[i]); i++; \
 		if (buff_size < strlen(description) + SMALL_BUFF_SIZE + 1) { \
-			description = realloc(description, buff_size * 2);\
+			description = realloc(description, buff_size * 2); \
 			buff_size *= 2; \
 		} \
 		strcat(description, aux); \
@@ -120,6 +120,14 @@ Pkg *package_read_archive(const char *pkg_path) {
 	return pkg;
 }
 
+void sha256sum(Pkg *pkg, char *res) {
+	char command[SMALL_BUFF_SIZE];
+	snprintf(command, SMALL_BUFF_SIZE, "sha256sum %s", pkg->path);
+	FILE *p = popen(command, "r");
+
+	fgets(res, 65, p);
+	pclose(p);
+}
 
 char *package_to_description(Pkg *pkg) {
 	PkgInfo *pkg_info = pkg->info;
@@ -142,7 +150,16 @@ char *package_to_description(Pkg *pkg) {
 	ADD_ARRAY("\n\n%%GROUPS%%\n%s", groups);
 	ADD_STRING("\n\n%%CSIZE%%\n%ld", csize);
 	ADD_STRING("\n\n%%ISIZE%%\n%ld", size);
-	//SHA256SUM
+
+	char res[65];
+	sha256sum(pkg, res);
+	snprintf(aux, SMALL_BUFF_SIZE, "\n\n%%SHA256SUM%%\n%s", res);
+	if (buff_size < strlen(description) + SMALL_BUFF_SIZE + 1) {
+		description = realloc(description, buff_size * 2);
+		buff_size *= 2;
+	}
+	strcat(description, aux);
+
 	ADD_STRING("\n\n%%URL%%\n%s", url);
 	ADD_ARRAY("\n\n%%LICENSE%%\n%s", licenses);
 	ADD_STRING("\n\n%%ARCH%%\n%s", arch);