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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* args.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/22 09:43:42 by cacharle #+# #+# */
/* Updated: 2020/08/02 14:17:15 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_ssl.h"
static void st_print_digest_input(t_flags flags, char *input)
{
if (flags & FLAG_STRING)
ft_putchar('"');
ft_putstr(input);
if (flags & FLAG_STRING)
ft_putchar('"');
}
static void st_print_digest(t_flags flags, char *command, char *input, char *digest_str)
{
if (!(flags & FLAG_REVERSE) && !(flags & FLAG_QUIET))
{
ft_putstr(command); //toupper
ft_putstr(" (");
st_print_digest_input(flags, input);
ft_putstr(") = ");
}
ft_putstr(digest_str);
if (flags & FLAG_QUIET)
{
ft_putchar('\n');
return ;
}
if (flags & FLAG_REVERSE)
{
ft_putchar(' ');
st_print_digest_input(flags, input);
}
ft_putchar('\n');
}
int parse_args(int argc, char **argv, char *command, t_message_digest_param *md_param)
{
t_flags flags;
t_ftmem file;
char *digest_str;
int i;
flags = 0;
i = 0;
while (i < argc)
{
if (argv[i][0] != '-')
break ;
if (ft_strcmp(argv[i], "-s") == 0)
{
i++;
if (i >= argc) // no string
return (1);
digest_str = message_digest(md_param, (uint8_t*)argv[i], ft_strlen(argv[i]));
if (digest_str == NULL)
return (1);
st_print_digest(flags | FLAG_STRING, command, argv[i], digest_str);
free(digest_str);
}
else if (ft_strcmp(argv[i], "-p") == 0)
{
if (ft_getfile_fd(STDIN_FILENO, &file) < 0)
return (1);
digest_str = message_digest(md_param, file.data, file.size);
if (digest_str == NULL)
return (1);
write(STDOUT_FILENO, file.data, file.size);
ft_putendl(digest_str);
}
else if (ft_strcmp(argv[i], "-q") == 0)
flags |= FLAG_QUIET;
else if (ft_strcmp(argv[i], "-r") == 0)
flags |= FLAG_REVERSE;
else
{
ft_putstr_fd("ft_ssl: invalid option -- '", STDERR_FILENO);
ft_putstr_fd(argv[i] + 1, STDERR_FILENO);
ft_putstr_fd("'\n", STDERR_FILENO);
return (1);
}
i++;
}
while (i < argc)
{
if (ft_getfile(argv[i], &file) < 0)
{
ft_putstr_fd("ft_ssl: ", STDERR_FILENO);
ft_putstr_fd(argv[i], STDERR_FILENO);
ft_putstr_fd(": ", STDERR_FILENO);
ft_putstr_fd(strerror(errno), STDERR_FILENO);
ft_putstr_fd("\n", STDERR_FILENO);
i++;
continue ;
}
digest_str = message_digest(md_param, file.data, file.size);
if (digest_str == NULL)
return 1;
st_print_digest(flags, command, argv[i], digest_str);
free(digest_str);
free(file.data);
i++;
}
return (0);
}
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