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Fixed fd leaking when second cmd doesn't exist in pipe

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This commit is contained in:
Maix0 2024-08-11 12:20:26 +02:00
parent 45a55df528
commit ea1908e644
6 changed files with 87 additions and 31 deletions
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1
exec/Filelist.exec.mk
View file

@ -1,4 +1,5 @@
SRC_FILES = \
builtins/_debug \
builtins/cd \
builtins/echo \
builtins/env \

3
exec/include/exec/builtins.h
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:56 by maiboyer #+# #+# */
/* Updated: 2024/08/11 11:20:22 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 12:01:18 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -39,5 +39,6 @@ t_error builtin_exit__(t_state *state, t_builtin_spawn_info info, t_i32 *exit_co
t_error builtin_export(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_pwd___(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_unset_(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
t_error builtin_debug_(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code);
#endif /* BUILTINS_H */

52
exec/src/builtins/_debug.c Normal file
View file

@ -0,0 +1,52 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* _debug.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/10 18:43:18 by maiboyer #+# #+# */
/* Updated: 2024/08/11 12:11:43 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "exec/builtins.h"
#include "me/fs/fs.h"
#include "me/printf/printf.h"
#include "me/str/str.h"
#include "me/string/string.h"
#include "me/types.h"
#define DEBUG_USAGE \
"Usage:\n" \
" - print_fd: print the opened file descritors informations"
static t_error _debug_fd(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
const t_fd_array *fds = get_fd_arrays();
t_usize i;
i = 0;
while (i < FILE_SLOT_LEN)
{
if (fds->storage[i].ty == SLOT_FD)
me_printf_fd(info.stderr, " FD[%i] => %s\n", fds->storage[i].slot.fd.fd, fds->storage[i].slot.fd.name);
if (fds->storage[i].ty == SLOT_FILE)
me_printf_fd(info.stderr, "FILE[%p] => %s\n", fds->storage[i].slot.file.ptr, fds->storage[i].slot.file.name);
if (fds->storage[i].ty == SLOT_DIR)
me_printf_fd(info.stderr, " DIR[%p] => %s\n", fds->storage[i].slot.dir.ptr, fds->storage[i].slot.dir.name);
i++;
}
*exit_code = 0;
return (NO_ERROR);
}
t_error builtin_debug_(t_state *state, t_builtin_spawn_info info, t_i32 *exit_code)
{
if (info.args.len != 2)
return (me_printf_fd(info.stdout, DEBUG_USAGE), *exit_code = 1, ERROR);
if (str_compare(info.args.buffer[1], "print_fd"))
return (_debug_fd(state, info, exit_code));
*exit_code = 2;
return (ERROR);
}

56
exec/src/run_ast.c
View file

@ -6,7 +6,7 @@
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/11 17:22:29 by maiboyer #+# #+# */
/* Updated: 2024/08/11 11:41:48 by maiboyer ### ########.fr */
/* Updated: 2024/08/11 12:19:11 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
@ -597,7 +597,7 @@ t_error run_program(t_ast_program *self, t_state *state, t_program_result *out)
i++;
}
return (ERROR);
return (NO_ERROR);
}
// FUNCTIONS
@ -636,18 +636,30 @@ void _ffree_func(struct s_ffree_state *state)
hmap_env_free(state->state->env);
hmap_env_free(state->state->tmp_var);
close_fd(state->cmd_pipe.input);
me_exit(127);
}
bool _is_builtin(t_const_str argv0);
bool _is_builtin(t_const_str argv0)
{
t_usize i;
const t_str value[] = {"cd", "echo", "env", "exit", "export", "pwd", "unset", "_debug", NULL};
i = 0;
if (argv0 == NULL)
return (false);
while (value[i] != NULL)
if (str_compare(argv0, value[i++]))
return (true);
return (false);
}
t_error _handle_builtin(t_spawn_info info, t_state *state, t_cmd_pipe cmd_pipe, t_command_result *out)
{
t_usize i;
const t_const_str argv0 = info.binary_path;
const t_str value[] = {"cd", "echo", "env", "exit", "export", "pwd", "unset", NULL};
const t_builtin_func funcs[] = {builtin_cd____, builtin_echo__, builtin_env___, builtin_exit__,
builtin_export, builtin_pwd___, builtin_unset_, NULL};
const t_str value[] = {"cd", "echo", "env", "exit", "export", "pwd", "unset", "_debug", NULL};
const t_builtin_func funcs[] = {builtin_cd____, builtin_echo__, builtin_env___,
builtin_exit__, builtin_export, builtin_pwd___,
builtin_unset_, builtin_debug_, NULL};
t_builtin_func actual_func;
i = 0;
@ -715,13 +727,18 @@ t_error _handle_builtin(t_spawn_info info, t_state *state, t_cmd_pipe cmd_pipe,
else
{
if (actual_func(state, binfo, &exit_code))
return (out->exit = 126, ERROR);
out->exit = exit_code;
out->exit = 126;
else
out->exit = exit_code;
}
if (binfo.stdin)
close_fd(binfo.stdin);
if (binfo.stdout)
close_fd(binfo.stdout);
if (binfo.stderr)
close_fd(binfo.stderr);
vec_str_free(info.arguments);
str_free(info.binary_path);
// we need to check if we have to fork !
return (NO_ERROR);
}
@ -837,7 +854,7 @@ t_error _spawn_cmd_and_run(t_vec_str args, t_vec_ast redirection, t_state *state
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
if (spawn_process(info, &out->process))
return (ERROR);
return (close_fd(cmd_pipe.input), out->exit = 127, ERROR);
int status;
if (waitpid(out->process.pid, &status, 0) == -1)
return (ERROR);
@ -848,21 +865,6 @@ t_error _spawn_cmd_and_run(t_vec_str args, t_vec_ast redirection, t_state *state
return (NO_ERROR);
}
bool _is_builtin(t_const_str argv0)
{
t_usize i;
const t_str value[] = {"cd", "echo", "env", "exit", "export", "pwd", "unset", NULL};
const t_str funcs[] = {"cd", "echo", "env", "exit", "export", "pwd", "unset", NULL};
i = 0;
if (argv0 == NULL)
return (false);
while (value[i] != NULL)
if (str_compare(argv0, value[i++]))
return (true);
return (false);
}
t_error run_command(t_ast_command *command, t_state *state, t_cmd_pipe cmd_pipe, t_command_result *out)
{
t_vec_str args;