Adding upstream version 1.9.15p5.upstream/1.9.15p5upstream

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

1 files changed, 158 insertions, 0 deletions

diff --git a/include/sudo_iolog.h b/include/sudo_iolog.h
new file mode 100644
index 0000000..052fcf3
--- /dev/null
+++ b/include/sudo_iolog.h
@@ -0,0 +1,158 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2009-2022 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.
+ */
+
+#ifndef SUDO_IOLOG_H
+#define SUDO_IOLOG_H
+
+#include <sys/types.h>	/* for gid_t, mode_t, size_t, ssize_t, uid_t */
+
+#ifdef HAVE_ZLIB_H
+# include <zlib.h>	/* for gzFile */
+#endif
+
+/* Default maximum session ID */
+#define SESSID_MAX	2176782336U
+
+/* Default value for "iolog_file" */
+#define IOLOG_FILE	"%{seq}"
+
+/*
+ * I/O log event types as stored as the first field in the timing file.
+ * Changing existing values will result in incompatible I/O log files.
+ */
+#define IO_EVENT_STDIN		0
+#define IO_EVENT_STDOUT		1
+#define IO_EVENT_STDERR		2
+#define IO_EVENT_TTYIN		3
+#define IO_EVENT_TTYOUT		4
+#define IO_EVENT_WINSIZE	5
+#define IO_EVENT_TTYOUT_1_8_7	6
+#define IO_EVENT_SUSPEND	7
+#define IO_EVENT_COUNT		8
+
+/*
+ * Indexes into iolog_files[] array.
+ * These must match the IO_EVENT_ defines above.
+ * TODO: eliminate use of IOFD_* and IO_EVENT_* as indexes in favor of
+ *       a struct containing iolog_file *s for each (and names too?).
+ */
+#define IOFD_STDIN	0
+#define IOFD_STDOUT	1
+#define IOFD_STDERR	2
+#define IOFD_TTYIN	3
+#define IOFD_TTYOUT	4
+#define IOFD_TIMING	5
+#define IOFD_MAX	6
+
+/*
+ * Default password prompt regex.
+ */
+#define PASSPROMPT_REGEX	"[Pp]assword[: ]*"
+
+struct timing_closure {
+    struct timespec delay;
+    const char *decimal;
+    struct iolog_file *iol;
+    int event;
+    union {
+	struct {
+	    int lines;
+	    int cols;
+	} winsize;
+	size_t nbytes;
+	int signo;
+    } u;
+};
+
+struct iolog_file {
+    bool enabled;
+    bool compressed;
+    bool writable;
+    union {
+	FILE *f;
+#ifdef HAVE_ZLIB_H
+	gzFile g;
+#endif
+	void *v;
+    } fd;
+};
+
+struct iolog_path_escape {
+    const char *name;
+    size_t (*copy_fn)(char *, size_t, void *);
+};
+
+/* host_port.c */
+bool iolog_parse_host_port(char *str, char **hostp, char **portp, bool *tlsp, const char *defport, const char *defport_tls);
+
+/* iolog_path.c */
+bool expand_iolog_path(const char *inpath, char *path, size_t pathlen, const struct iolog_path_escape *escapes, void *closure);
+
+/* iolog_util.c */
+bool iolog_parse_timing(const char *line, struct timing_closure *timing);
+char *iolog_parse_delay(const char *cp, struct timespec *delay, const char *decimal_point);
+int iolog_read_timing_record(struct iolog_file *iol, struct timing_closure *timing);
+struct eventlog *iolog_parse_loginfo(int dfd, const char *iolog_dir);
+bool iolog_parse_loginfo_json(FILE *fp, const char *iolog_dir, struct eventlog *evlog);
+bool iolog_parse_loginfo_legacy(FILE *fp, const char *iolog_dir, struct eventlog *evlog);
+void iolog_adjust_delay(struct timespec *delay, struct timespec *max_delay, double scale_factor);
+
+/* iolog_fileio.c */
+struct passwd;
+struct group;
+bool iolog_close(struct iolog_file *iol, const char **errstr);
+bool iolog_eof(struct iolog_file *iol);
+bool iolog_mkdtemp(char *path);
+bool iolog_mkpath(char *path);
+bool iolog_nextid(const char *iolog_dir, char sessid[7]);
+bool iolog_open(struct iolog_file *iol, int dfd, int iofd, const char *mode);
+bool iolog_write_info_file(int dfd, struct eventlog *evlog);
+char *iolog_gets(struct iolog_file *iol, char *buf, int bufsize, const char **errsttr);
+const char *iolog_fd_to_name(int iofd);
+int iolog_openat(int fdf, const char *path, int flags);
+off_t iolog_seek(struct iolog_file *iol, off_t offset, int whence);
+ssize_t iolog_read(struct iolog_file *iol, void *buf, size_t nbytes, const char **errstr);
+ssize_t iolog_write(struct iolog_file *iol, const void *buf, size_t len, const char **errstr);
+void iolog_clearerr(struct iolog_file *iol);
+bool iolog_flush(struct iolog_file *iol, const char **errstr);
+void iolog_rewind(struct iolog_file *iol);
+unsigned int iolog_get_maxseq(void);
+uid_t iolog_get_uid(void);
+gid_t iolog_get_gid(void);
+mode_t iolog_get_file_mode(void);
+mode_t iolog_get_dir_mode(void);
+bool iolog_get_compress(void);
+bool iolog_get_flush(void);
+void iolog_set_compress(bool);
+void iolog_set_defaults(void);
+void iolog_set_flush(bool);
+void iolog_set_gid(gid_t gid);
+void iolog_set_maxseq(unsigned int maxval);
+void iolog_set_mode(mode_t mode);
+void iolog_set_owner(uid_t uid, uid_t gid);
+bool iolog_swapids(bool restore);
+bool iolog_mkdirs(const char *path);
+
+/* iolog_filter.c */
+void *iolog_pwfilt_alloc(void);
+bool iolog_pwfilt_add(void *handle, const char *pattern);
+void iolog_pwfilt_free(void *handle);
+bool iolog_pwfilt_remove(void *handle, const char *pattern);
+bool iolog_pwfilt_run(void *handle, int event, const char *buf, size_t len, char **newbuf);
+
+#endif /* SUDO_IOLOG_H */