embedaddon/sudo/plugins/sudoers/iolog_path.c - diff

Return to iolog_path.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sudo / plugins / sudoers

Diff for /embedaddon/sudo/plugins/sudoers/iolog_path.c between versions 1.1.1.2 and 1.1.1.6

version 1.1.1.2, 2012/05/29 12:26:49	version 1.1.1.6, 2014/06/15 16:12:54
Line 1	Line 1
/*	/*
* Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com>	* Copyright (c) 2011-2013 Todd C. Miller <Todd.Miller@courtesan.com>
*	*
* Permission to use, copy, modify, and distribute this software for any	* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above	* purpose with or without fee is hereby granted, provided that the above
Line 35	Line 35
#ifdef HAVE_STRINGS_H	#ifdef HAVE_STRINGS_H
# include <strings.h>	# include <strings.h>
#endif /* HAVE_STRINGS_H */	#endif /* HAVE_STRINGS_H */
#ifdef HAVE_SETLOCALE
# include <locale.h>
#endif
#include <pwd.h>	#include <pwd.h>
#include <grp.h>	#include <grp.h>
#include <time.h>	#include <time.h>
Line 46	Line 43

struct path_escape {	struct path_escape {
const char *name;	const char *name;
size_t (copy_fn)(char , size_t);	size_t (copy_fn)(char , size_t, char *);
};	};

static size_t fill_seq(char *, size_t);
static size_t fill_user(char *, size_t);
static size_t fill_group(char *, size_t);
static size_t fill_runas_user(char *, size_t);
static size_t fill_runas_group(char *, size_t);
static size_t fill_hostname(char *, size_t);
static size_t fill_command(char *, size_t);

static struct path_escape escapes[] = {
{ "seq", fill_seq },
{ "user", fill_user },
{ "group", fill_group },
{ "runas_user", fill_runas_user },
{ "runas_group", fill_runas_group },
{ "hostname", fill_hostname },
{ "command", fill_command },
{ NULL, NULL }
};

static size_t	static size_t
fill_seq(char *str, size_t strsize)	fill_seq(char str, size_t strsize, char logdir)
{	{
	#ifdef SUDOERS_NO_SEQ
	debug_decl(fill_seq, SUDO_DEBUG_UTIL)
	debug_return_size_t(strlcpy(str, "%{seq}", strsize));
	#else
static char sessid[7];	static char sessid[7];
int len;	int len;
debug_decl(sudoers_io_version, SUDO_DEBUG_UTIL)	debug_decl(fill_seq, SUDO_DEBUG_UTIL)

if (sessid[0] == '\0')	if (sessid[0] == '\0')
io_nextid(def_iolog_dir, sessid);	io_nextid(logdir, def_iolog_dir, sessid);

/* Path is of the form /var/log/sudo-io/00/00/01. */	/* Path is of the form /var/log/sudo-io/00/00/01. */
len = snprintf(str, strsize, "%c%c/%c%c/%c%c", sessid[0],	len = snprintf(str, strsize, "%c%c/%c%c/%c%c", sessid[0],
Line 84 fill_seq(char *str, size_t strsize)	Line 66 fill_seq(char *str, size_t strsize)
if (len < 0)	if (len < 0)
debug_return_size_t(strsize); /* handle non-standard snprintf() */	debug_return_size_t(strsize); /* handle non-standard snprintf() */
debug_return_size_t(len);	debug_return_size_t(len);
	#endif /* SUDOERS_NO_SEQ */
}	}

static size_t	static size_t
fill_user(char *str, size_t strsize)	fill_user(char str, size_t strsize, char unused)
{	{
debug_decl(fill_user, SUDO_DEBUG_UTIL)	debug_decl(fill_user, SUDO_DEBUG_UTIL)
debug_return_size_t(strlcpy(str, user_name, strsize));	debug_return_size_t(strlcpy(str, user_name, strsize));
}	}

static size_t	static size_t
fill_group(char *str, size_t strsize)	fill_group(char str, size_t strsize, char unused)
{	{
struct group *grp;	struct group *grp;
size_t len;	size_t len;
Line 102 fill_group(char *str, size_t strsize)	Line 85 fill_group(char *str, size_t strsize)

if ((grp = sudo_getgrgid(user_gid)) != NULL) {	if ((grp = sudo_getgrgid(user_gid)) != NULL) {
len = strlcpy(str, grp->gr_name, strsize);	len = strlcpy(str, grp->gr_name, strsize);
gr_delref(grp);	sudo_gr_delref(grp);
} else {	} else {
len = strlen(str);	len = strlen(str);
len = snprintf(str + len, strsize - len, "#%u",	len = snprintf(str + len, strsize - len, "#%u",
Line 112 fill_group(char *str, size_t strsize)	Line 95 fill_group(char *str, size_t strsize)
}	}

static size_t	static size_t
fill_runas_user(char *str, size_t strsize)	fill_runas_user(char str, size_t strsize, char unused)
{	{
debug_decl(fill_runas_user, SUDO_DEBUG_UTIL)	debug_decl(fill_runas_user, SUDO_DEBUG_UTIL)
debug_return_size_t(strlcpy(str, runas_pw->pw_name, strsize));	debug_return_size_t(strlcpy(str, runas_pw->pw_name, strsize));
}	}

static size_t	static size_t
fill_runas_group(char *str, size_t strsize)	fill_runas_group(char str, size_t strsize, char unused)
{	{
struct group *grp;	struct group *grp;
size_t len;	size_t len;
Line 130 fill_runas_group(char *str, size_t strsize)	Line 113 fill_runas_group(char *str, size_t strsize)
} else {	} else {
if ((grp = sudo_getgrgid(runas_pw->pw_gid)) != NULL) {	if ((grp = sudo_getgrgid(runas_pw->pw_gid)) != NULL) {
len = strlcpy(str, grp->gr_name, strsize);	len = strlcpy(str, grp->gr_name, strsize);
gr_delref(grp);	sudo_gr_delref(grp);
} else {	} else {
len = strlen(str);	len = strlen(str);
len = snprintf(str + len, strsize - len, "#%u",	len = snprintf(str + len, strsize - len, "#%u",
Line 141 fill_runas_group(char *str, size_t strsize)	Line 124 fill_runas_group(char *str, size_t strsize)
}	}

static size_t	static size_t
fill_hostname(char *str, size_t strsize)	fill_hostname(char str, size_t strsize, char unused)
{	{
debug_decl(fill_hostname, SUDO_DEBUG_UTIL)	debug_decl(fill_hostname, SUDO_DEBUG_UTIL)
debug_return_size_t(strlcpy(str, user_shost, strsize));	debug_return_size_t(strlcpy(str, user_shost, strsize));
}	}

static size_t	static size_t
fill_command(char *str, size_t strsize)	fill_command(char str, size_t strsize, char unused)
{	{
debug_decl(fill_command, SUDO_DEBUG_UTIL)	debug_decl(fill_command, SUDO_DEBUG_UTIL)
debug_return_size_t(strlcpy(str, user_base, strsize));	debug_return_size_t(strlcpy(str, user_base, strsize));
}	}

	/* Note: "seq" must be first in the list. */
	static struct path_escape io_path_escapes[] = {
	{ "seq", fill_seq },
	{ "user", fill_user },
	{ "group", fill_group },
	{ "runas_user", fill_runas_user },
	{ "runas_group", fill_runas_group },
	{ "hostname", fill_hostname },
	{ "command", fill_command },
	{ NULL, NULL }
	};

/*	/*
* Concatenate dir + file, expanding any escape sequences.	* Concatenate dir + file, expanding any escape sequences.
* Returns the concatenated path and sets slashp point to	* Returns the concatenated path and sets slashp point to
Line 165 expand_iolog_path(const char prefix, const char dir,	Line 160 expand_iolog_path(const char prefix, const char dir,
{	{
size_t len, prelen = 0;	size_t len, prelen = 0;
char dst, dst0, path, pathend, tmpbuf[PATH_MAX];	char dst, dst0, path, pathend, tmpbuf[PATH_MAX];
	char *slash = NULL;
const char endbrace, src = dir;	const char endbrace, src = dir;
int pass;	struct path_escape *escapes = NULL;
	int pass, oldlocale;
bool strfit;	bool strfit;
debug_decl(expand_iolog_path, SUDO_DEBUG_UTIL)	debug_decl(expand_iolog_path, SUDO_DEBUG_UTIL)

Line 193 expand_iolog_path(const char prefix, const char dir,	Line 190 expand_iolog_path(const char prefix, const char dir,
switch (pass) {	switch (pass) {
case 0:	case 0:
src = dir;	src = dir;
	escapes = io_path_escapes + 1; /* skip "%{seq}" */
break;	break;
case 1:	case 1:
/* Trim trailing slashes from dir component. */	/* Trim trailing slashes from dir component. */
while (dst - path - 1 > prelen && dst[-1] == '/')	while (dst > path + prelen + 1 && dst[-1] == '/')
dst--;	dst--;
if (slashp)	/* The NUL will be replaced with a '/' at the end. */
*slashp = dst;	if (dst + 1 >= pathend)
src = "/";	goto bad;
break;	slash = dst++;
	continue;
case 2:	case 2:
src = file;	src = file;
	escapes = io_path_escapes;
break;	break;
}	}
dst0 = dst;	dst0 = dst;
Line 220 expand_iolog_path(const char prefix, const char dir,	Line 220 expand_iolog_path(const char prefix, const char dir,
break;	break;
}	}
if (esc->name != NULL) {	if (esc->name != NULL) {
len = esc->copy_fn(dst, (size_t)(pathend - dst));	len = esc->copy_fn(dst, (size_t)(pathend - dst),
	path + prelen);
if (len >= (size_t)(pathend - dst))	if (len >= (size_t)(pathend - dst))
goto bad;	goto bad;
dst += len;	dst += len;
Line 249 expand_iolog_path(const char prefix, const char dir,	Line 250 expand_iolog_path(const char prefix, const char dir,
struct tm *timeptr;	struct tm *timeptr;

time(&now);	time(&now);
timeptr = localtime(&now);	if ((timeptr = localtime(&now)) == NULL)
	goto bad;

#ifdef HAVE_SETLOCALE	/* Use sudoers locale for strftime() */
if (!setlocale(LC_ALL, def_sudoers_locale)) {	sudoers_setlocale(SUDOERS_LOCALE_SUDOERS, &oldlocale);
warningx(_("unable to set locale to \"%s\", using \"C\""),
def_sudoers_locale);	/* We only call strftime() on the current part of the buffer. */
setlocale(LC_ALL, "C");
}
#endif
/* We only calls strftime() on the current part of the buffer. */
tmpbuf[sizeof(tmpbuf) - 1] = '\0';	tmpbuf[sizeof(tmpbuf) - 1] = '\0';
len = strftime(tmpbuf, sizeof(tmpbuf), dst0, timeptr);	len = strftime(tmpbuf, sizeof(tmpbuf), dst0, timeptr);

#ifdef HAVE_SETLOCALE	/* Restore old locale. */
setlocale(LC_ALL, "");	sudoers_setlocale(oldlocale, NULL);
#endif
if (len == 0 \|\| tmpbuf[sizeof(tmpbuf) - 1] != '\0')	if (len == 0 \|\| tmpbuf[sizeof(tmpbuf) - 1] != '\0')
goto bad; /* strftime() failed, buf too small? */	goto bad; /* strftime() failed, buf too small? */

Line 275 expand_iolog_path(const char prefix, const char dir,	Line 273 expand_iolog_path(const char prefix, const char dir,
*dst = '\0';	*dst = '\0';
}	}
}	}
	if (slashp)
	*slashp = slash;
	*slash = '/';

debug_return_str(path);	debug_return_str(path);
bad:	bad:

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.1.2
changed lines
	Added in v.1.1.1.6