Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 357 insertions, 0 deletions

diff --git a/src/sudo.h b/src/sudo.h
new file mode 100644
index 0000000..795662a
--- /dev/null
+++ b/src/sudo.h
@@ -0,0 +1,357 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2022
+ *	Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+#ifndef SUDO_SUDO_H
+#define SUDO_SUDO_H
+
+#include <limits.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif /* HAVE_STDBOOL_H */
+#ifdef HAVE_PRIV_SET
+# include <priv.h>
+#endif
+
+#include "pathnames.h"
+#include "sudo_compat.h"
+#include "sudo_conf.h"
+#include "sudo_debug.h"
+#include "sudo_event.h"
+#include "sudo_fatal.h"
+#include "sudo_gettext.h"
+#include "sudo_queue.h"
+#include "sudo_util.h"
+
+/* Enable asserts() to avoid static analyzer false positives. */
+#if !(defined(SUDO_DEVEL) || defined(__clang_analyzer__) || defined(__COVERITY__))
+# define NDEBUG
+#endif
+
+/*
+ * Various modes sudo can be in (based on arguments) in hex
+ */
+#define MODE_RUN		0x00000001
+#define MODE_EDIT		0x00000002
+#define MODE_VALIDATE		0x00000004
+#define MODE_INVALIDATE		0x00000008
+#define MODE_KILL		0x00000010
+#define MODE_VERSION		0x00000020
+#define MODE_HELP		0x00000040
+#define MODE_LIST		0x00000080
+#define MODE_CHECK		0x00000100
+#define MODE_MASK		0x0000ffff
+
+/* Mode flags */
+/* XXX - prune this */
+#define MODE_BACKGROUND		0x00010000
+#define MODE_SHELL		0x00020000
+#define MODE_LOGIN_SHELL	0x00040000
+#define MODE_IMPLIED_SHELL	0x00080000
+#define MODE_RESET_HOME		0x00100000
+#define MODE_PRESERVE_GROUPS	0x00200000
+#define MODE_PRESERVE_ENV	0x00400000
+#define MODE_NONINTERACTIVE	0x00800000
+#define MODE_LONG_LIST		0x01000000
+
+/* Indexes into sudo_settings[] args, must match parse_args.c. */
+#define ARG_BSDAUTH_TYPE	 0
+#define ARG_LOGIN_CLASS		 1
+#define ARG_PRESERVE_ENVIRONMENT 2
+#define ARG_RUNAS_GROUP		 3
+#define ARG_SET_HOME		 4
+#define ARG_USER_SHELL		 5
+#define ARG_LOGIN_SHELL		 6
+#define ARG_IGNORE_TICKET	 7
+#define ARG_UPDATE_TICKET	 8
+#define ARG_PROMPT		 9
+#define ARG_SELINUX_ROLE	10
+#define ARG_SELINUX_TYPE	11
+#define ARG_RUNAS_USER		12
+#define ARG_PROGNAME		13
+#define ARG_IMPLIED_SHELL	14
+#define ARG_PRESERVE_GROUPS	15
+#define ARG_NONINTERACTIVE	16
+#define ARG_SUDOEDIT		17
+#define ARG_CLOSEFROM		18
+#define ARG_NET_ADDRS		19
+#define ARG_MAX_GROUPS		20
+#define ARG_PLUGIN_DIR		21
+#define ARG_REMOTE_HOST		22
+#define ARG_TIMEOUT		23
+#define ARG_CHROOT		24
+#define ARG_CWD			25
+#define ARG_ASKPASS		26
+#define ARG_INTERCEPT_SETID	27
+#define ARG_INTERCEPT_PTRACE	28
+#define ARG_APPARMOR_PROFILE	29
+
+/*
+ * Flags for tgetpass()
+ */
+#define TGP_NOECHO	0x00		/* turn echo off reading pw (default) */
+#define TGP_ECHO	0x01		/* leave echo on when reading passwd */
+#define TGP_STDIN	0x02		/* read from stdin, not /dev/tty */
+#define TGP_ASKPASS	0x04		/* read from askpass helper program */
+#define TGP_MASK	0x08		/* mask user input when reading */
+#define TGP_NOECHO_TRY	0x10		/* turn off echo if possible */
+#define TGP_BELL	0x20		/* bell on password prompt */
+
+/* name/value pairs for command line settings. */
+struct sudo_settings {
+    const char *name;
+    const char *value;
+};
+
+/* Sudo user credentials */
+struct sudo_cred {
+    uid_t uid;
+    uid_t euid;
+    uid_t gid;
+    uid_t egid;
+    int ngroups;
+    GETGROUPS_T *groups;
+};
+
+struct user_details {
+    struct sudo_cred cred;
+    pid_t pid;
+    pid_t ppid;
+    pid_t pgid;
+    pid_t tcpgid;
+    pid_t sid;
+    const char *username;
+    const char *cwd;
+    const char *tty;
+    const char *host;
+    const char *shell;
+    int ts_rows;
+    int ts_cols;
+};
+
+#define CD_SET_UID		0x00000001
+#define CD_SET_EUID		0x00000002
+#define CD_SET_GID		0x00000004
+#define CD_SET_EGID		0x00000008
+#define CD_PRESERVE_GROUPS	0x00000010
+#define CD_INTERCEPT		0x00000020
+#define CD_NOEXEC		0x00000040
+#define CD_SET_PRIORITY		0x00000080
+#define CD_SET_UMASK		0x00000100
+#define CD_SET_TIMEOUT		0x00000200
+#define CD_SUDOEDIT		0x00000400
+#define CD_BACKGROUND		0x00000800
+#define CD_RBAC_ENABLED		0x00001000
+#define CD_USE_PTY		0x00002000
+#define CD_SET_UTMP		0x00004000
+#define CD_EXEC_BG		0x00008000
+#define CD_SUDOEDIT_FOLLOW	0x00010000
+#define CD_SUDOEDIT_CHECKDIR	0x00020000
+#define CD_SET_GROUPS		0x00040000
+#define CD_LOGIN_SHELL		0x00080000
+#define CD_OVERRIDE_UMASK	0x00100000
+#define CD_LOG_SUBCMDS		0x00200000
+#define CD_USE_PTRACE		0x00400000
+#define CD_FEXECVE		0x00800000
+#define CD_INTERCEPT_VERIFY	0x01000000
+#define CD_RBAC_SET_CWD		0x02000000
+#define CD_CWD_OPTIONAL		0x04000000
+
+struct preserved_fd {
+    TAILQ_ENTRY(preserved_fd) entries;
+    int lowfd;
+    int highfd;
+    int flags;
+};
+TAILQ_HEAD(preserved_fd_list, preserved_fd);
+
+struct command_details {
+    struct sudo_cred cred;
+    mode_t umask;
+    int argc;
+    int priority;
+    int timeout;
+    int closefrom;
+    int flags;
+    int execfd;
+    int nfiles;
+    struct preserved_fd_list preserved_fds;
+    struct passwd *pw;
+    const char *command;
+    const char *runas_user;
+    const char *cwd;
+    const char *login_class;
+    const char *chroot;
+    const char *selinux_role;
+    const char *selinux_type;
+    const char *apparmor_profile;
+    const char *utmp_user;
+    const char *tty;
+    char **argv;
+    char **envp;
+    struct sudo_event_base *evbase;
+#ifdef HAVE_PRIV_SET
+    priv_set_t *privs;
+    priv_set_t *limitprivs;
+#endif
+    char * const *info;
+};
+
+/* Status passed between parent and child via socketpair */
+struct command_status {
+#define CMD_INVALID	0
+#define CMD_ERRNO	1
+#define CMD_WSTATUS	2
+#define CMD_SIGNO	3
+#define CMD_PID		4
+#define CMD_TTYWINCH	5
+    int type;
+    int val;
+};
+
+/* Garbage collector data types. */
+enum sudo_gc_types {
+    GC_UNKNOWN,
+    GC_VECTOR,
+    GC_PTR
+};
+
+/* For fatal() and fatalx() (XXX - needed?) */
+void cleanup(int);
+
+/* tgetpass.c */
+char *tgetpass(const char *prompt, int timeout, int flags,
+    struct sudo_conv_callback *callback);
+
+/* exec.c */
+int sudo_execute(struct command_details *details, struct command_status *cstat);
+
+/* parse_args.c */
+int parse_args(int argc, char **argv, int *old_optind, int *nargc,
+    char ***nargv, struct sudo_settings **settingsp, char ***env_addp);
+extern int tgetpass_flags;
+
+/* get_pty.c */
+bool get_pty(int *leader, int *follower, char *name, size_t namesz, uid_t uid);
+
+/* sudo.c */
+int policy_init_session(struct command_details *details);
+int run_command(struct command_details *details);
+int os_init_common(int argc, char *argv[], char *envp[]);
+bool gc_add(enum sudo_gc_types type, void *v);
+bool set_user_groups(struct command_details *details);
+struct sudo_plugin_event *sudo_plugin_event_alloc(void);
+bool audit_accept(const char *plugin_name, unsigned int plugin_type,
+    char * const command_info[], char * const run_argv[],
+    char * const run_envp[]);
+bool audit_reject(const char *plugin_name, unsigned int plugin_type,
+    const char *audit_msg, char * const command_info[]);
+bool audit_error(const char *plugin_name, unsigned int plugin_type,
+    const char *audit_msg, char * const command_info[]);
+bool approval_check(char * const command_info[], char * const run_argv[],
+    char * const run_envp[]);
+extern const char *list_user;
+extern struct user_details user_details;
+extern int sudo_debug_instance;
+
+/* sudo_edit.c */
+int sudo_edit(struct command_details *details);
+
+/* parse_args.c */
+sudo_noreturn void usage(void);
+
+/* openbsd.c */
+int os_init_openbsd(int argc, char *argv[], char *envp[]);
+
+/* selinux.c */
+int selinux_audit_role_change(void);
+int selinux_getexeccon(const char *role, const char *type);
+int selinux_relabel_tty(const char *ttyn, int ttyfd);
+int selinux_restore_tty(void);
+int selinux_setexeccon(void);
+void selinux_execve(int fd, const char *path, char *const argv[],
+    char *envp[], const char *rundir, int flags);
+
+/* apparmor.c */
+int apparmor_is_enabled(void);
+int apparmor_prepare(const char* new_profile);
+
+/* solaris.c */
+void set_project(struct passwd *);
+int os_init_solaris(int argc, char *argv[], char *envp[]);
+
+/* hooks.c */
+/* XXX - move to sudo_plugin_int.h? */
+struct sudo_hook;
+int register_hook(struct sudo_hook *hook);
+int deregister_hook(struct sudo_hook *hook);
+int process_hooks_getenv(const char *name, char **val);
+int process_hooks_setenv(const char *name, const char *value, int overwrite);
+int process_hooks_putenv(char *string);
+int process_hooks_unsetenv(const char *name);
+
+/* env_hooks.c */
+char *getenv_unhooked(const char *name);
+
+/* interfaces.c */
+int get_net_ifs(char **addrinfo);
+
+/* ttyname.c */
+char *get_process_ttyname(char *name, size_t namelen);
+
+/* signal.c */
+struct sigaction;
+int sudo_sigaction(int signo, struct sigaction *sa, struct sigaction *osa);
+void init_signals(void);
+void restore_signals(void);
+void save_signals(void);
+bool signal_pending(int signo);
+
+/* preload.c */
+void preload_static_symbols(void);
+
+/* preserve_fds.c */
+int add_preserved_fd(struct preserved_fd_list *pfds, int fd);
+void closefrom_except(int startfd, struct preserved_fd_list *pfds);
+void parse_preserved_fds(struct preserved_fd_list *pfds, const char *fdstr);
+
+/* setpgrp_nobg.c */
+int tcsetpgrp_nobg(int fd, pid_t pgrp_id);
+
+/* limits.c */
+void disable_coredump(void);
+void restore_limits(void);
+void restore_nproc(void);
+void set_policy_rlimits(void);
+void unlimit_nproc(void);
+void unlimit_sudo(void);
+int serialize_rlimits(char **info, size_t info_max);
+bool parse_policy_rlimit(const char *str);
+
+/* exec_ptrace.c */
+void exec_ptrace_fix_flags(struct command_details *details);
+bool exec_ptrace_intercept_supported(void);
+bool exec_ptrace_subcmds_supported(void);
+
+#endif /* SUDO_SUDO_H */