refactor: rework command dispacher

includes/internal/cli/cli_handlers.h

@@ -3,11 +3,12 @@
 
 #include <cli.h>
 
-int	cli_handle_help(const char *arg, void *config);
+int cli_handle_help(const char *arg, void *config_void);
 int	cli_handle_version(const char *arg, void *config);
-int	cli_handle_p(const char *arg, void *config);
-int	cli_handle_q(const char *arg, void *config);
-int	cli_handle_r(const char *arg, void *config);
-int	cli_handle_s(const char *arg, void *config);
+int	digest_handle_help(const char *arg, void *config);
+int	digest_handle_p(const char *arg, void *config);
+int	digest_handle_q(const char *arg, void *config);
+int	digest_handle_r(const char *arg, void *config);
+int	digest_handle_s(const char *arg, void *config);
 
 #endif

includes/internal/cli/digest_cmd.h

@@ -5,32 +5,14 @@
 #include <cli.h>
 
 #include "internal/cli/cli_handlers.h"
-#include "internal/cmd/command.h"
+#include "internal/cli/command.h"
 
 #define DIGEST_OPTION_LIST \
-	X( \
-		'h', \
-		"help", \
-		no_argument, \
-		cli_handle_help, \
-		OPT_ARG_NONE, \
-		"Display this help and exit", \
-		0 \
-	) \
-	X( \
-		'V', \
-		"version", \
-		no_argument, \
-		cli_handle_version, \
-		OPT_ARG_NONE, \
-		"Display version information and exit", \
-		0 \
-	) \
 	X( \
 		'p', \
 		"stdin", \
 		no_argument, \
-		cli_handle_p, \
+		digest_handle_p, \
 		OPT_ARG_NONE, \
 		"Echo stdin to stdout and append checksum to output", \
 		0 \
@@ -39,7 +21,7 @@
 		'q', \
 		"quiet", \
 		no_argument, \
-		cli_handle_q, \
+		digest_handle_q, \
 		OPT_ARG_NONE, \
 		"Quiet mode: only print the digest", \
 		0 \
@@ -48,7 +30,7 @@
 		'r', \
 		"reverse", \
 		no_argument, \
-		cli_handle_r, \
+		digest_handle_r, \
 		OPT_ARG_NONE, \
 		"Reverse the output format (digest then filename)", \
 		0 \
@@ -57,11 +39,29 @@
 		's', \
 		"string", \
 		required_argument, \
-		cli_handle_s, \
+		digest_handle_s, \
 		OPT_ARG_STRING, \
 		"Hash a string", \
 		CLI_OPT_F_REPEATABLE \
+	) \
+	X( \
+		'h', \
+		"help", \
+		no_argument, \
+		digest_handle_help, \
+		OPT_ARG_NONE, \
+		"Display this help and exit", \
+		0 \
 	)
+//	X( \
+//		'V', \
+//		"version", \
+//		no_argument, \
+//		digest_handle_version, \
+//		OPT_ARG_NONE, \
+//		"Display version information and exit", \
+//		0 \
+//	) 
 
 #undef X
 #define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) + 1

includes/internal/cli/dispatch.h

@@ -0,0 +1,6 @@
+#ifndef FT_SSL_CLI_DISPATCH_H
+#define FT_SSL_CLI_DISPATCH_H
+
+int	ft_ssl_dispatch(int argc, char **argv);
+
+#endif

includes/internal/cli/global_cmd.h

@@ -0,0 +1,45 @@
+#ifndef FT_SSL_CMD_GLOBAL_H
+#define FT_SSL_CMD_GLOBAL_H
+
+#include <getopt.h>
+#include <cli.h>
+
+#include "internal/cli/cli_handlers.h"
+
+#define GLOBAL_OPTION_LIST \
+	X( \
+		'h', \
+		"help", \
+		no_argument, \
+		cli_handle_help, \
+		OPT_ARG_NONE, \
+		"Display this help and exit", \
+		0 \
+	) \
+	X( \
+		'v', \
+		"version", \
+		no_argument, \
+		cli_handle_version, \
+		OPT_ARG_NONE, \
+		"Display version information and exit", \
+		0 \
+	)
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) + 1
+enum { GLOBAL_OPT_LEN = (0 GLOBAL_OPTION_LIST) };
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) \
+	+ (1 * (has_arg == no_argument) \
+	+ (2 * (has_arg == required_argument) \
+	+ (3 * (has_arg == optional_argument))))
+enum { GLOBAL_OPTSTR_LEN = (2 GLOBAL_OPTION_LIST) };
+/* +2 for ':' to disable getopt error messages and \0 */
+
+#undef X
+
+extern const struct option_descriptor	g_global_opts[];
+
+#endif

includes/internal/cli/option.h

@@ -2,74 +2,31 @@
 #define FT_SSL_OPT_H
 
 #include <cli.h>
+#include <libft_ssl.h>
 
-#define FT_SSL_OPTION_LIST \
-	X( \
-		'h', \
-		"help", \
-		no_argument, \
-		cli_handle_help, \
-		OPT_ARG_NONE, \
-		"Display this help and exit", \
-		0 \
-	) \
-	X( \
-		'V', \
-		"version", \
-		no_argument, \
-		cli_handle_version, \
-		OPT_ARG_NONE, \
-		"Display version information and exit", \
-		0 \
-	) \
-	X( \
-		'p', \
-		"stdin", \
-		no_argument, \
-		cli_handle_p, \
-		OPT_ARG_NONE, \
-		"Echo stdin to stdout and append checksum to output", \
-		0 \
-	) \
-	X( \
-		'q', \
-		"quiet", \
-		no_argument, \
-		cli_handle_q, \
-		OPT_ARG_NONE, \
-		"Quiet mode: only print the digest", \
-		0 \
-	) \
-	X( \
-		'r', \
-		"reverse", \
-		no_argument, \
-		cli_handle_r, \
-		OPT_ARG_NONE, \
-		"Reverse the output format (digest then filename)", \
-		0 \
-	) \
-	X( \
-		's', \
-		"string", \
-		required_argument, \
-		cli_handle_s, \
-		OPT_ARG_STRING, \
-		"Hash a string", \
-		CLI_OPT_F_REPEATABLE \
-	)
+#include "internal/cli/command.h"
+#include "internal/cli/digest_cmd.h"
 
-#undef X
-#define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) + 1
-enum { FT_SSL_OPT_LEN = (0 FT_SSL_OPTION_LIST ) };
 
-#undef X
-#define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) \
-	+ (1 * (has_arg == no_argument) \
-	+ (2 * (has_arg == required_argument) \
-	+ (3 * (has_arg == optional_argument))))
-enum { FT_SSL_OPTSTR_LEN = (2 FT_SSL_OPTION_LIST) };
-/* +2 for ':' to disable getopt error messages and \0 */
+/* Forward-declare all digest algo globals */
+#define DIGEST_ALGO(lower, ds, bs) extern const struct digest_algo g_##lower;
+#include <digest_algos.h>
+#undef DIGEST_ALGO
+
+static const struct command_descriptor	g_commands[] = {
+	/* Digest commands */
+#define DIGEST_ALGO(lower, ds, bs) \
+	{ #lower, CMD_DIGEST, g_digest_opts, DIGEST_OPT_LEN, &g_##lower, digest_run },
+#include <digest_algos.h>
+#undef DIGEST_ALGO
+	/* Cipher commands (not yet implemented) */
+	{ "base64",  CMD_CIPHER, NULL, 0, NULL, NULL },
+	{ "des",     CMD_CIPHER, NULL, 0, NULL, NULL },
+	{ "des-ecb", CMD_CIPHER, NULL, 0, NULL, NULL },
+	{ "des-cbc", CMD_CIPHER, NULL, 0, NULL, NULL },
+	/* Sentinel */
+	{ NULL, 0, NULL, 0, NULL, NULL }
+};
 
 void	print_usage(const char *prog);
 

includes/internal/cmd/digest.h

@@ -1,5 +1,5 @@
-#ifndef FT_SSL_SSL_H
-#define FT_SSL_SSL_H
+#ifndef FT_SSL_CMD_DIGEST_ENGINE_H
+#define FT_SSL_CMD_DIGEST_ENGINE_H
 
 #include <stdint.h>
 
@@ -8,9 +8,9 @@
 #define MAX_DIGEST_SIZE	64
 #define READ_BUFSIZE	4096
 
-int		run_string(const struct digest_config *config, const char *s);
-int		run_file(const struct digest_config *config, const char *path);
-int		run_stdin(const struct digest_config *config);
+int		digest_run_string(const struct digest_config *config, const char *s);
+int		digest_run_file(const struct digest_config *config, const char *path);
+int		digest_run_stdin(const struct digest_config *config);
 int		digest_stream(const struct digest_config *config, int fd,
 		const char *label, int show_algo, int echo);
 void	print_digest(const struct digest_config *config, const uint8_t *digest,

src/Makefile.am

@@ -41,21 +41,25 @@ FORCE:
 
 ft_ssl_SOURCES				= \
 							  main.c \
-							  cmd/command_table.c \
-							  cmd/digest_run.c \
-							  ssl/run_stdin.c \
-							  ssl/run_string.c \
-							  ssl/run_file.c \
-							  ssl/digest.c \
-							  ssl/output.c \
-							  cli/version.c \
-							  cli/handlers/option_map.c \
-							  cli/handlers/handle_help.c \
+							  cli/dispatch.c \
+							  cli/command_table.c \
+							  cli/print_version.c \
+							  cli/print_help.c \
 							  cli/handlers/handle_version.c \
-							  cli/handlers/handle_p.c \
-							  cli/handlers/handle_q.c \
-							  cli/handlers/handle_r.c \
-							  cli/handlers/handle_s.c
+							  cli/handlers/handle_help.c \
+							  cli/handlers/global/option_map.c \
+							  cli/handlers/digest/option_map.c \
+							  cli/handlers/digest/handle_help.c \
+							  cli/handlers/digest/handle_p.c \
+							  cli/handlers/digest/handle_q.c \
+							  cli/handlers/digest/handle_r.c \
+							  cli/handlers/digest/handle_s.c \
+							  cmd/digest/run.c \
+							  cmd/digest/run_stdin.c \
+							  cmd/digest/run_string.c \
+							  cmd/digest/run_file.c \
+							  cmd/digest/digest.c \
+							  cmd/digest/output.c
 
 ft_ssl_CPPFLAGS				= \
 							  -I $(top_srcdir)/includes \

src/cli/command_table.c

@@ -0,0 +1,16 @@
+#include <string.h>
+
+#include "internal/cli/option.h"
+
+
+const struct command_descriptor *
+find_command(const char *name)
+{
+	const struct command_descriptor	*cmd;
+
+	for (cmd = g_commands; NULL != cmd->name; cmd++)
+		if (0 == strcmp(cmd->name, name))
+			return cmd;
+	return NULL;
+}
+

src/cli/dispatch.c

@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <cli.h>
+
+#include "internal/cli/command.h"
+#include "internal/cli/dispatch.h"
+#include "internal/cli/global_cmd.h"
+#include "version_gen.h"
+
+/* Forward declarations */
+static int				find_subcommand_index(int argc, char **argv);
+static enum cli_code	parse_global_options(char **argv, int sub_idx);
+static int				dispatch_command(int argc, char **argv, int sub_idx);
+/* ------------------- */
+
+int
+ft_ssl_dispatch(int argc, char **argv)
+{
+	int				sub_idx;
+	enum cli_code	ret;
+
+	sub_idx = find_subcommand_index(argc, argv);
+	ret = parse_global_options(argv, sub_idx);
+	if (CLI_SUCCESS != ret)
+		return ((int)CLI_ERROR == ret) ? 2 : EXIT_SUCCESS;
+	return dispatch_command(argc, argv, sub_idx);
+}
+
+static int
+find_subcommand_index(int argc, char **argv)
+{
+	int	i;
+
+	for (i = 1; i < argc; i++)
+		if ('-' != argv[i][0])
+			return i;
+	return argc;
+}
+
+static enum cli_code
+parse_global_options(char **argv, int sub_idx)
+{
+	char			opt_str[GLOBAL_OPTSTR_LEN + 1];
+	struct option	long_opts[GLOBAL_OPT_LEN + 1];
+
+	return cli_parse(sub_idx, argv, NULL, g_global_opts, GLOBAL_OPT_LEN,
+					opt_str, long_opts);
+}
+
+static int
+dispatch_command(int argc, char **argv, int sub_idx)
+{
+	const struct command_descriptor	*cmd;
+	int								ret;
+
+	if (sub_idx >= argc)
+	{
+		print_commands(stderr);
+		return 2;
+	}
+	cmd = find_command(argv[sub_idx]);
+	if (NULL == cmd)
+	{
+		fprintf(stderr, "%s: Error: %s is an invalid command.\n",
+						g_prog_name, argv[sub_idx]);
+		print_commands(stderr);
+		return 2;
+	}
+	if (NULL == cmd->run)
+	{
+		fprintf(stderr, "%s: %s: not yet implemented\n",
+						g_prog_name, argv[sub_idx]);
+		return 2;
+	}
+	ret = cmd->run(argc - sub_idx, argv + sub_idx, cmd);
+	return ((int)CLI_ERROR == ret) ? 2 : EXIT_SUCCESS;
+}

src/cli/handlers/digest/handle_help.c

@@ -0,0 +1,17 @@
+#include <cli.h>
+#include <stdio.h>
+
+#include "compiler.h"
+#include "ft_ssl.h"
+#include "internal/cli/digest_cmd.h"
+#include "version_gen.h"
+
+int
+digest_handle_help(__unused const char *arg, void *config_void)
+{
+	struct digest_config	*config = (struct digest_config *)config_void;
+
+	printf("Usage: %s %s [OPTIONS] [FILE...]\n\n", g_prog_name, config->cmd_name);
+	cli_print_options(g_digest_opts, DIGEST_OPT_LEN, cli_arg_type_to_str);
+	return CLI_EXIT_SUCCESS;
+}

src/cli/handlers/digest/handle_p.c

@@ -4,7 +4,7 @@
 #include "internal/cli/cli_handlers.h"
 
 int
-cli_handle_p(__unused const char *arg, void *config_void)
+digest_handle_p(__unused const char *arg, void *config_void)
 {
 	struct digest_config	*config = (struct digest_config *)config_void;
 

src/cli/handlers/digest/handle_q.c

@@ -4,7 +4,7 @@
 #include "internal/cli/cli_handlers.h"
 
 int
-cli_handle_q(__unused const char *arg, void *config_void)
+digest_handle_q(__unused const char *arg, void *config_void)
 {
 	struct digest_config	*config = (struct digest_config *)config_void;
 

src/cli/handlers/digest/handle_r.c

@@ -4,7 +4,7 @@
 #include "internal/cli/cli_handlers.h"
 
 int
-cli_handle_r(__unused const char *arg, void *config_void)
+digest_handle_r(__unused const char *arg, void *config_void)
 {
 	struct digest_config	*config = (struct digest_config *)config_void;
 

src/cli/handlers/digest/handle_s.c

@@ -2,7 +2,7 @@
 #include "internal/cli/cli_handlers.h"
 
 int
-cli_handle_s(const char *arg, void *config_void)
+digest_handle_s(const char *arg, void *config_void)
 {
 	struct digest_config	*config = (struct digest_config *)config_void;
 

src/cli/handlers/digest/option_map.c

@@ -1,4 +1,4 @@
-#include "internal/cmd/digest_cmd.h"
+#include "internal/cli/digest_cmd.h"
 
 #undef X
 #define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) \

src/cli/handlers/global/option_map.c

@@ -0,0 +1,12 @@
+#include "internal/cli/global_cmd.h"
+
+#undef X
+#define X(short_opt, long_opt, has_arg, handler, arg_type, desc, flags) \
+	{ short_opt, long_opt, has_arg, handler, arg_type, desc, flags },
+
+const struct option_descriptor g_global_opts[] = {
+	GLOBAL_OPTION_LIST
+	{0, NULL, 0, NULL, OPT_ARG_NONE, NULL, 0}
+};
+
+#undef X

src/cli/handlers/handle_help.c

@@ -1,17 +1,18 @@
-#include <cli.h>
 #include <stdio.h>
 
+#include <libft_ssl.h>
+#include <cli.h>
+
+#include "internal/cli/global_cmd.h"
+#include "internal/cli/option.h"
 #include "compiler.h"
-#include "ft_ssl.h"
-#include "internal/cmd/digest_cmd.h"
 #include "version_gen.h"
 
 int
-cli_handle_help(__unused const char *arg, void *config_void)
+cli_handle_help(__unused const char *arg, __unused void *config_void)
 {
-	struct digest_config	*config = (struct digest_config *)config_void;
-
-	printf("Usage: %s %s [OPTIONS] [FILE...]\n\n", g_prog_name, config->cmd_name);
-	cli_print_options(g_digest_opts, DIGEST_OPT_LEN, cli_arg_type_to_str);
+	printf("Usage: %s [OPTIONS] <command> [args...]\n\n", g_prog_name);
+	cli_print_options(g_global_opts, GLOBAL_OPT_LEN, cli_arg_type_to_str);
+	print_commands(stdout);
 	return CLI_EXIT_SUCCESS;
 }

src/cli/handlers/handle_version.c

@@ -1,5 +1,3 @@
-#include <stdio.h>
-
 #include <cli.h>
 #include "compiler.h"
 

src/cli/parse.c

@@ -1,91 +0,0 @@
-#include <getopt.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <cli.h>
-#include <libft_ssl.h>
-
-#include "ft_ssl.h"
-#include "internal/cli/cli_handlers.h"
-#include "internal/cli/interactive.h"
-#include "internal/cli/option.h"
-
-/* Forward declarations */
-static void						init_config(struct ssl_config *config);
-static const struct digest_algo	*find_algo(const char *name);
-static enum cli_code			parse_subcommand(int argc, char **argv, int first_arg,
-		struct ssl_config *config);
-/* ------------------- */
-
-static const struct digest_algo * const	s_algos[] = {
-#define DIGEST_ALGO(lower, ds, bs)	&g_##lower,
-#include <digest_algos.h>
-#undef DIGEST_ALGO
-	NULL
-};
-
-enum cli_code
-cli_parse_arguments(int argc, char **argv, struct ssl_config *config)
-{
-	char			opt_str[FT_SSL_OPTSTR_LEN];
-	struct option	long_opts[FT_SSL_OPT_LEN + 1];
-	enum cli_code	ret;
-
-	init_config(config);
-	ret = cli_parse(argc, argv, config, g_options, FT_SSL_OPT_LEN, opt_str, long_opts);
-	if (CLI_SUCCESS != ret)
-		return ret;
-	return parse_subcommand(argc, argv, optind, config);
-}
-
-static enum cli_code
-parse_subcommand(int argc, char **argv, int first_arg,
-		struct ssl_config *config)
-{
-	if (first_arg >= argc)
-		return run_interactive();
-	config->algo = find_algo(argv[first_arg]);
-	if (NULL == config->algo)
-	{
-		fprintf(stderr, "%s: unknown command -- '%s'\n", argv[0], argv[first_arg]);
-		print_usage(argv[0]);
-		return CLI_ERROR;
-	}
-	config->files    = argv + first_arg + 1;
-	config->nb_files = argc - first_arg - 1;
-	return CLI_SUCCESS;
-}
-
-static const struct digest_algo *
-find_algo(const char *name)
-{
-	size_t	i;
-
-	for (i = 0; NULL != s_algos[i]; i++)
-	{
-		if (0 == strcmp(s_algos[i]->name, name))
-			return s_algos[i];
-	}
-	return NULL;
-}
-
-void
-print_usage(const char *prog)
-{
-	size_t	i;
-
-	fprintf(stderr, "usage: %s {", prog);
-	for (i = 0; NULL != s_algos[i]; i++)
-	{
-		if (0 != i)
-			fprintf(stderr, "|");
-		fprintf(stderr, "%s", s_algos[i]->name);
-	}
-	fprintf(stderr, "} [-pqr] [-s string] [file...]\n");
-}
-
-static void
-init_config(struct ssl_config *config)
-{
-	memset(config, 0, sizeof(struct ssl_config));
-}

src/cli/print_help.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+#include <libft_ssl.h>
+
+#include "internal/cli/option.h"
+
+void
+print_commands(FILE *out)
+{
+	const struct command_descriptor	*cmd;
+
+	fprintf(out, "\nMessage Digest commands:\n");
+	for (cmd = g_commands; NULL != cmd->name; cmd++)
+		if (CMD_DIGEST == cmd->category)
+			fprintf(out, "  %s\n", cmd->name);
+	fprintf(out, "\nCipher commands:\n");
+	for (cmd = g_commands; NULL != cmd->name; cmd++)
+		if (CMD_CIPHER == cmd->category)
+			fprintf(out, "  %s\n", cmd->name);
+}

src/cmd/command_table.c

@@ -1,54 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-
-#include <libft_ssl.h>
-
-#include "internal/cmd/command.h"
-#include "internal/cmd/digest_cmd.h"
-
-/* Forward-declare all digest algo globals */
-#define DIGEST_ALGO(lower, ds, bs) extern const struct digest_algo g_##lower;
-#include <digest_algos.h>
-#undef DIGEST_ALGO
-
-static const struct command_descriptor	s_commands[] = {
-	/* Digest commands */
-#define DIGEST_ALGO(lower, ds, bs) \
-	{ #lower, CMD_DIGEST, g_digest_opts, DIGEST_OPT_LEN, &g_##lower, digest_run },
-#include <digest_algos.h>
-#undef DIGEST_ALGO
-	/* Cipher commands (not yet implemented) */
-	{ "base64",  CMD_CIPHER, NULL, 0, NULL, NULL },
-	{ "des",     CMD_CIPHER, NULL, 0, NULL, NULL },
-	{ "des-ecb", CMD_CIPHER, NULL, 0, NULL, NULL },
-	{ "des-cbc", CMD_CIPHER, NULL, 0, NULL, NULL },
-	/* Sentinel */
-	{ NULL, 0, NULL, 0, NULL, NULL }
-};
-
-const struct command_descriptor *
-find_command(const char *name)
-{
-	const struct command_descriptor	*cmd;
-
-	for (cmd = s_commands; NULL != cmd->name; cmd++)
-		if (0 == strcmp(cmd->name, name))
-			return cmd;
-	return NULL;
-}
-
-void
-print_commands(FILE *out)
-{
-	const struct command_descriptor	*cmd;
-
-	fprintf(out, "\nStandard commands:\n");
-	fprintf(out, "\nMessage Digest commands:\n");
-	for (cmd = s_commands; NULL != cmd->name; cmd++)
-		if (CMD_DIGEST == cmd->category)
-			fprintf(out, "  %s\n", cmd->name);
-	fprintf(out, "\nCipher commands:\n");
-	for (cmd = s_commands; NULL != cmd->name; cmd++)
-		if (CMD_CIPHER == cmd->category)
-			fprintf(out, "  %s\n", cmd->name);
-}

src/cmd/digest/digest.c

@@ -4,7 +4,7 @@
 #include <libft_ssl.h>
 
 #include "ft_ssl.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cmd/digest.h"
 
 /* Forward declarations */
 static void	process_chunk(const struct digest_config *config, union digest_ctx *ctx,

src/cmd/digest/output.c

@@ -6,7 +6,7 @@
 #include "compiler.h"
 #include "ft_ssl.h"
 #include "ft_ssl_flags.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cmd/digest.h"
 
 enum fmt_mode
 {

src/cmd/digest/run.c

@@ -7,9 +7,9 @@
 #include "compiler.h"
 #include "ft_ssl.h"
 #include "ft_ssl_flags.h"
-#include "internal/cmd/command.h"
-#include "internal/cmd/digest_cmd.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cli/command.h"
+#include "internal/cli/digest_cmd.h"
+#include "internal/cmd/digest.h"
 #include "version_gen.h"
 
 /* Forward declarations */
@@ -45,11 +45,11 @@ digest_run(int argc, char **argv, const struct command_descriptor *self)
 	ret_val   = (int)CLI_SUCCESS;
 	has_input = (0 < config.nb_strings || 0 < config.nb_files);
 	if (HAS_FLAG(config.flags, FLAG_P) || !has_input)
-		update_ret(&ret_val, run_stdin(&config));
+		update_ret(&ret_val, digest_run_stdin(&config));
 	for (i = 0; i < config.nb_strings; i++)
-		update_ret(&ret_val, run_string(&config, config.strings[i]));
+		update_ret(&ret_val, digest_run_string(&config, config.strings[i]));
 	for (i = 0; i < config.nb_files; i++)
-		update_ret(&ret_val, run_file(&config, config.files[i]));
+		update_ret(&ret_val, digest_run_file(&config, config.files[i]));
 	return ret_val;
 }
 

src/cmd/digest/run_file.c

@@ -7,11 +7,11 @@
 #include <cli.h>
 
 #include "ft_ssl.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cmd/digest.h"
 #include "version_gen.h"
 
 int
-run_file(const struct digest_config *config, const char *path)
+digest_run_file(const struct digest_config *config, const char *path)
 {
 	int	fd;
 	int	ret;

src/cmd/digest/run_stdin.c

@@ -8,7 +8,7 @@
 #include "compiler.h"
 #include "ft_ssl.h"
 #include "ft_ssl_flags.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cmd/digest.h"
 
 /* Forward declarations */
 static int		run_stdin_p(const struct digest_config *config);
@@ -17,7 +17,7 @@ static ssize_t	read_and_hash(const struct digest_config *config, union digest_ct
 /* ------------------- */
 
 int
-run_stdin(const struct digest_config *config)
+digest_run_stdin(const struct digest_config *config)
 {
 	if (HAS_FLAG(config->flags, FLAG_P) && !HAS_FLAG(config->flags, FLAG_Q))
 		return run_stdin_p(config);

src/cmd/digest/run_string.c

@@ -5,10 +5,10 @@
 #include <libft_ssl.h>
 
 #include "ft_ssl.h"
-#include "internal/ssl/ssl.h"
+#include "internal/cmd/digest.h"
 
 int
-run_string(const struct digest_config *config, const char *s)
+digest_run_string(const struct digest_config *config, const char *s)
 {
 	union digest_ctx	ctx;
 	uint8_t				digest[MAX_DIGEST_SIZE];

src/main.c

@@ -1,10 +1,6 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include <cli.h>
 
-#include "internal/cmd/command.h"
+#include "internal/cli/dispatch.h"
 #include "version_gen.h"
 
 char	*g_prog_name = NULL;
@@ -12,34 +8,7 @@ char	*g_prog_name = NULL;
 int
 main(int argc, char **argv)
 {
-	const struct command_descriptor	*cmd;
-	int								 ret;
-
 	g_prog_name = argv[0];
 	cli_set_prog_name(g_prog_name);
-	if (argc < 2)
-	{
-		print_commands(stderr);
-		return 2;
-	}
-	if (0 == strcmp(argv[1], "-h") || 0 == strcmp(argv[1], "--help"))
-	{
-		print_commands(stdout);
-		return EXIT_SUCCESS;
-	}
-	cmd = find_command(argv[1]);
-	if (NULL == cmd)
-	{
-		fprintf(stderr, "%s: Error: %s is an invalid command.\n",
-				argv[0], argv[1]);
-		print_commands(stderr);
-		return 2;
-	}
-	if (NULL == cmd->run)
-	{
-		fprintf(stderr, "%s: %s: not yet implemented\n", argv[0], argv[1]);
-		return 2;
-	}
-	ret = cmd->run(argc - 1, argv + 1, cmd);
-	return ((int)CLI_ERROR == ret) ? 2 : EXIT_SUCCESS;
+	return ft_ssl_dispatch(argc, argv);
 }

src/ssl_run.c

@@ -1,56 +0,0 @@
-#include <stdio.h>
-
-#include <cli.h>
-#include <libft_ssl.h>
-
-#include "compiler.h"
-#include "ft_ssl.h"
-#include "ft_ssl_flags.h"
-#include "internal/ssl/ssl.h"
-#include "version_gen.h"
-
-/* Forward declarations */
-static int			check_algo(const struct ssl_config *config);
-static inline void	update_ret(int *ret, int result);
-/* ------------------- */
-
-int
-ssl_run(const struct ssl_config *config)
-{
-	int	ret;
-	int	has_input;
-	int	i;
-
-	if (CLI_SUCCESS != check_algo(config))
-		return CLI_ERROR;
-	ret       = CLI_SUCCESS;
-	has_input = (0 < config->nb_strings || 0 < config->nb_files);
-	if (HAS_FLAG(config->flags, FLAG_P) || !has_input)
-		update_ret(&ret, run_stdin(config));
-	for (i = 0; i < config->nb_strings; i++)
-		update_ret(&ret, run_string(config, config->strings[i]));
-	for (i = 0; i < config->nb_files; i++)
-		update_ret(&ret, run_file(config, config->files[i]));
-	return ret;
-}
-
-static int
-check_algo(const struct ssl_config *config)
-{
-	if (NULL == config->algo->init
-		|| NULL == config->algo->update
-		|| NULL == config->algo->final)
-	{
-		fprintf(stderr, "%s: %s: not yet implemented\n",
-				g_prog_name, config->algo->name);
-		return CLI_ERROR;
-	}
-	return CLI_SUCCESS;
-}
-
-static inline void
-update_ret(int *ret, int result)
-{
-	if (CLI_ERROR == result)
-		*ret = CLI_ERROR;
-}