Refacto

Makefile

@@ -2,6 +2,8 @@ CC=gcc
 
 all: gemcurl
 
+debug: gemcurl_debug
+
 gemlib.o: src/gemlib.c src/gemlib.h
 	mkdir -p build
 	$(CC) -o build/gemlib.o -c src/gemlib.c
@@ -10,6 +12,14 @@ gemcurl.o: src/gemlib.h src/gemcurl.c
 	mkdir -p build
 	$(CC) -o build/gemcurl.o -c src/gemcurl.c
 
+gemcurl_debug.o: src/gemlib.h src/gemcurl.c
+	mkdir -p build
+	$(CC) -o build/gemcurl_debug.o -c src/gemcurl.c -DDEBUG
+
 gemcurl: gemcurl.o gemlib.o
 	mkdir -p build
 	$(CC) -o build/gemcurl build/gemcurl.o build/gemlib.o -lcrypto -lssl
+
+gemcurl_debug: gemcurl_debug.o gemlib.o
+	mkdir -p build
+	$(CC) -o build/gemcurl_debug build/gemcurl_debug.o build/gemlib.o -lcrypto -lssl

src/gemcurl.c

@@ -5,7 +5,7 @@
 #include "gemlib.h"
 
 #define VERSION_MAJ 0
-#define VERSION_MIN 0
+#define VERSION_MIN 1
 #define VERSION_REV 0
 #define NAME "gemcurl"
 
@@ -17,6 +17,8 @@ void printHelp(void);
 
 int main (int argc, char **argv)
 {
+	GEM_Request *request;
+
 	if (argc < 2)
 	{
 		printUsage(argv[0]);
@@ -55,9 +57,17 @@ int main (int argc, char **argv)
 			return EXIT_FAILURE;
 		}
 
-		if (getGem(argv[2], stdout) != 0)
+		request = GEM_new_request(argv[2]);
+
+#ifdef DEBUG
+		GEM_print_request_info(request);
+#endif
+
+		if (GEM_send_request(request, stdout) != 0)
 			return EXIT_FAILURE;
 
+		GEM_free_request(request);
+
 		return EXIT_SUCCESS;
 	}
 

src/gemlib.c

@@ -9,15 +9,21 @@
 
 #include "gemlib.h"
 
-Request *examineRequest(const char *request_content)
+void GEM_init (void)
+{
+	SSL_load_error_strings();
+	SSL_library_init();
+}
+
+GEM_Request *GEM_new_request(const char *request_content)
 {
 	int i = 0, len = 0, len_req = strlen(request_content);
-	Request *request = malloc(sizeof(Request));
+	GEM_Request *request = malloc(sizeof(GEM_Request));
 
 	if (request == NULL)
 		return NULL;
 
-	memset(request, 0, sizeof(Request));
+	memset(request, 0, sizeof(GEM_Request));
 
 	strcpy(request->request_content, request_content);
 	strcat(request->request_content, "\r\n");
@@ -72,19 +78,25 @@ Request *examineRequest(const char *request_content)
 	return request;
 }
 
-void requestTheServer(Request *request, FILE *answerFile)
+void GEM_print_request_info (GEM_Request *request)
+{
+	printf("Request content : %s\nRequest scheme : %s\nRequest hostname : %s\nRequest path : %s\n", request->request_content, request->scheme, request->hostname, request->path);
+}
+
+int GEM_send_request (GEM_Request *request, FILE *answerFile)
 {
 	const SSL_METHOD *method = TLS_client_method();
 	SSL *ssl = NULL;
 	SSL_CTX *ctx = NULL;
 	BIO *bio = NULL;
 	int n;
+	char buffer[1024];
 
 	if (method == NULL)
 	{
 		perror("Method");
 		ERR_print_errors_fp(stderr);
-		exit(1);
+		return -1;
 	}
 
 	ctx = SSL_CTX_new(method);
@@ -93,7 +105,7 @@ void requestTheServer(Request *request, FILE *answerFile)
 	{
 		perror("ctx");
 		ERR_print_errors_fp(stderr);
-		exit(2);
+		return -1;
 	}
 
 	bio = BIO_new_ssl_connect(ctx);
@@ -103,7 +115,7 @@ void requestTheServer(Request *request, FILE *answerFile)
 		perror("bio");
 		ERR_print_errors_fp(stderr);
 		SSL_CTX_free(ctx);
-		exit(3);
+		return -1;
 	}
 
 	BIO_get_ssl(bio, &ssl);
@@ -116,44 +128,26 @@ void requestTheServer(Request *request, FILE *answerFile)
 		SSL_CTX_free(ctx);
 		perror("bio connect");
 		ERR_print_errors_fp(stderr);
-		exit(4);
+		return -1;
 	}
 
 	BIO_puts(bio, request->request_content);
 
-	while (1)
+	n = BIO_read(bio, buffer, 1023);
+
+	while (n > 0)
 	{
-		memset(request->answer_content, 0, sizeof(request->answer_content));
-		n = BIO_read(bio, request->answer_content, 1024);
-		if (n <= 0) break;
-		fprintf(answerFile, "%s", request->answer_content);
+		fwrite(buffer, sizeof(char), n, answerFile);
+		n = BIO_read(bio, buffer, 1024);
 	}
 
 	BIO_free_all(bio);
 	SSL_CTX_free(ctx);
-}
-
-void initSSL (void)
-{
-	SSL_load_error_strings();
-	SSL_library_init();
-}
-
-int getGem (const char *URL, FILE *answerFile)
-{
-	Request *request = examineRequest(URL);
-
-	initSSL();
-
-	if (request == NULL)
-	{
-		printf("error during url parsing\n");
-		return 1;
-	}
-
-	requestTheServer(request, answerFile);
-
-	free(request);
 
 	return 0;
 }
+
+void GEM_free_request (GEM_Request *request)
+{
+	free(request);
+}

src/gemlib.h

@@ -6,17 +6,16 @@ typedef struct _gemini_request {
 	char hostname[256];
 	char scheme[64];
 	char path[1024];
-	char answer_code[2];
-	char answer_meta[2];
-	char answer_content[8192];
-} Request;
+} GEM_Request;
 
-Request *examineRequest(const char *request_content);
+void GEM_init (void);
 
-void requestTheServer(Request *request, FILE *answerFile);
+GEM_Request *GEM_new_request(const char *request_content);
 
-void initSSL (void);
+void GEM_print_request_info (GEM_Request *request);
 
-int getGem (const char *URL, FILE *answerFile);
+int GEM_send_request (GEM_Request *request, FILE *answerFile);
+
+void GEM_free_request (GEM_Request *request);
 
 #endif