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Make iobufs private to exec_iolog.c.

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This commit is contained in:
Todd C. Miller
2023-03-24 15:26:37 -06:00
parent ee3f99c88c
commit 8d2b9a4343
4 changed files with 13 additions and 15 deletions
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9
src/exec_iolog.c
View File

@@ -36,10 +36,10 @@
#include "sudo_plugin.h"
#include "sudo_plugin_int.h"
struct io_buffer_list iobufs = SLIST_HEAD_INITIALIZER(&iobufs);
int io_fds[6] = { -1, -1, -1, -1, -1, -1 };
static struct io_buffer_list iobufs = SLIST_HEAD_INITIALIZER(&iobufs);
static sigset_t ttyblock;
/*
@@ -103,8 +103,7 @@ void
io_buf_new(int rfd, int wfd,
bool (*action)(const char *, unsigned int, struct io_buffer *),
void (*read_cb)(int fd, int what, void *v),
void (*write_cb)(int fd, int what, void *v),
struct exec_closure *ec, struct io_buffer_list *head)
void (*write_cb)(int fd, int what, void *v), struct exec_closure *ec)
{
int n;
struct io_buffer *iob;
@@ -132,7 +131,7 @@ io_buf_new(int rfd, int wfd,
iob->buf[0] = '\0';
if (iob->revent == NULL || iob->wevent == NULL)
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
SLIST_INSERT_HEAD(head, iob, entries);
SLIST_INSERT_HEAD(&iobufs, iob, entries);
debug_return;
}

6
src/exec_nopty.c
View File

@@ -502,7 +502,7 @@ interpose_pipes(struct exec_closure *ec, int io_pipe[3][2])
if (pipe2(io_pipe[STDIN_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(STDIN_FILENO, io_pipe[STDIN_FILENO][1],
log_stdin, read_callback, write_callback, ec, &iobufs);
log_stdin, read_callback, write_callback, ec);
}
}
if (interpose[STDOUT_FILENO]) {
@@ -512,7 +512,7 @@ interpose_pipes(struct exec_closure *ec, int io_pipe[3][2])
if (pipe2(io_pipe[STDOUT_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(io_pipe[STDOUT_FILENO][0], STDOUT_FILENO,
log_stdout, read_callback, write_callback, ec, &iobufs);
log_stdout, read_callback, write_callback, ec);
}
}
if (interpose[STDERR_FILENO]) {
@@ -522,7 +522,7 @@ interpose_pipes(struct exec_closure *ec, int io_pipe[3][2])
if (pipe2(io_pipe[STDERR_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(io_pipe[STDERR_FILENO][0], STDERR_FILENO,
log_stderr, read_callback, write_callback, ec, &iobufs);
log_stderr, read_callback, write_callback, ec);
}
}
if (want_winch) {

10
src/exec_pty.c
View File

@@ -1160,12 +1160,12 @@ exec_pty(struct command_details *details, struct command_status *cstat)
/* Read from /dev/tty, write to pty leader */
if (!ISSET(details->flags, CD_BACKGROUND)) {
io_buf_new(io_fds[SFD_USERTTY], io_fds[SFD_LEADER],
log_ttyin, read_callback, write_callback, &ec, &iobufs);
log_ttyin, read_callback, write_callback, &ec);
}
/* Read from pty leader, write to /dev/tty */
io_buf_new(io_fds[SFD_LEADER], io_fds[SFD_USERTTY],
log_ttyout, read_callback, write_callback, &ec, &iobufs);
log_ttyout, read_callback, write_callback, &ec);
/* Are we the foreground process? */
ec.foreground = tcgetpgrp(io_fds[SFD_USERTTY]) == ppgrp;
@@ -1194,7 +1194,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
if (pipe2(io_pipe[STDIN_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(STDIN_FILENO, io_pipe[STDIN_FILENO][1],
log_stdin, read_callback, write_callback, &ec, &iobufs);
log_stdin, read_callback, write_callback, &ec);
io_fds[SFD_STDIN] = io_pipe[STDIN_FILENO][0];
}
@@ -1225,7 +1225,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
if (pipe2(io_pipe[STDOUT_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(io_pipe[STDOUT_FILENO][0], STDOUT_FILENO,
log_stdout, read_callback, write_callback, &ec, &iobufs);
log_stdout, read_callback, write_callback, &ec);
io_fds[SFD_STDOUT] = io_pipe[STDOUT_FILENO][1];
}
}
@@ -1245,7 +1245,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
if (pipe2(io_pipe[STDERR_FILENO], O_CLOEXEC) != 0)
sudo_fatal("%s", U_("unable to create pipe"));
io_buf_new(io_pipe[STDERR_FILENO][0], STDERR_FILENO,
log_stderr, read_callback, write_callback, &ec, &iobufs);
log_stderr, read_callback, write_callback, &ec);
io_fds[SFD_STDERR] = io_pipe[STDERR_FILENO][1];
}
}

3
src/sudo_exec.h
View File

@@ -195,14 +195,13 @@ bool log_stdout(const char *buf, unsigned int n, struct io_buffer *iob);
bool log_stderr(const char *buf, unsigned int n, struct io_buffer *iob);
void log_suspend(void *v, int signo);
void log_winchange(struct exec_closure *ec, unsigned int rows, unsigned int cols);
void io_buf_new(int rfd, int wfd, bool (*action)(const char *, unsigned int, struct io_buffer *), void (*read_cb)(int fd, int what, void *v), void (*write_cb)(int fd, int what, void *v), struct exec_closure *ec, struct io_buffer_list *head);
void io_buf_new(int rfd, int wfd, bool (*action)(const char *, unsigned int, struct io_buffer *), void (*read_cb)(int fd, int what, void *v), void (*write_cb)(int fd, int what, void *v), struct exec_closure *ec);
int safe_close(int fd);
void ev_free_by_fd(struct sudo_event_base *evbase, int fd);
void free_io_bufs(void);
void add_io_events(struct exec_closure *ec);
void del_io_events(bool nonblocking);
void init_ttyblock(void);
extern struct io_buffer_list iobufs;
/* exec_nopty.c */
void exec_nopty(struct command_details *details, struct command_status *cstat);