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patch/patch-selinux.patch
Petr Šabata 1fa08665ef RHEL 9.0.0 Alpha bootstrap 
The content of this branch was automatically imported from Fedora ELN
with the following as its source:
https://src.fedoraproject.org/rpms/patch#961dbc996f263a22a7e98d6e6a7d6e7dadaa8dc5
2020-10-15 23:00:02 +02:00

327 lines
11 KiB
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diff -up patch-2.7.6/src/common.h.selinux patch-2.7.6/src/common.h
--- patch-2.7.6/src/common.h.selinux 2018-02-03 12:41:49.000000000 +0000
+++ patch-2.7.6/src/common.h 2018-02-12 12:29:44.415225377 +0000
@@ -30,6 +30,8 @@
#include <sys/types.h>
#include <time.h>
+#include <selinux/selinux.h>
+
#include <sys/stat.h>
#include <limits.h>
@@ -84,6 +86,7 @@ XTERN char *outfile;
XTERN int inerrno;
XTERN int invc;
XTERN struct stat instat;
+XTERN security_context_t incontext;
XTERN bool dry_run;
XTERN bool posixly_correct;
diff -up patch-2.7.6/src/inp.c.selinux patch-2.7.6/src/inp.c
--- patch-2.7.6/src/inp.c.selinux 2017-09-04 12:34:16.000000000 +0100
+++ patch-2.7.6/src/inp.c 2018-02-12 12:29:44.415225377 +0000
@@ -145,7 +145,7 @@ get_input_file (char const *filename, ch
char *getbuf;
if (inerrno == -1)
- inerrno = stat_file (filename, &instat);
+ inerrno = stat_file (filename, &instat, &incontext);
/* Perhaps look for RCS or SCCS versions. */
if (S_ISREG (file_type)
@@ -190,7 +190,7 @@ get_input_file (char const *filename, ch
}
if (cs && version_get (filename, cs, ! inerrno, elsewhere, getbuf,
- &instat))
+ &instat, &incontext))
inerrno = 0;
free (getbuf);
@@ -201,6 +201,7 @@ get_input_file (char const *filename, ch
{
instat.st_mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
instat.st_size = 0;
+ incontext = NULL;
}
else if (! ((S_ISREG (file_type) || S_ISLNK (file_type))
&& (file_type & S_IFMT) == (instat.st_mode & S_IFMT)))
diff -up patch-2.7.6/src/Makefile.am.selinux patch-2.7.6/src/Makefile.am
--- patch-2.7.6/src/Makefile.am.selinux 2017-09-04 12:34:16.000000000 +0100
+++ patch-2.7.6/src/Makefile.am 2018-02-12 12:29:44.415225377 +0000
@@ -37,7 +37,7 @@ patch_SOURCES = \
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
patch_LDADD = $(LDADD) $(top_builddir)/lib/libpatch.a $(LIB_CLOCK_GETTIME) \
- $(LIB_XATTR) $(LIB_EACCESS)
+ $(LIB_XATTR) $(LIB_EACCESS) -lselinux
if ENABLE_MERGE
patch_SOURCES += merge.c
diff -up patch-2.7.6/src/Makefile.in.selinux patch-2.7.6/src/Makefile.in
--- patch-2.7.6/src/Makefile.in.selinux 2018-02-03 13:33:56.000000000 +0000
+++ patch-2.7.6/src/Makefile.in 2018-02-12 12:29:44.415225377 +0000
@@ -1147,7 +1147,7 @@ patch_SOURCES = bestmatch.h common.h inp
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib \
$(am__append_2)
patch_LDADD = $(LDADD) $(top_builddir)/lib/libpatch.a $(LIB_CLOCK_GETTIME) \
- $(LIB_XATTR) $(LIB_EACCESS)
+ $(LIB_XATTR) $(LIB_EACCESS) -lselinux
all: all-am
diff -up patch-2.7.6/src/patch.c.selinux patch-2.7.6/src/patch.c
--- patch-2.7.6/src/patch.c.selinux 2018-02-03 12:41:49.000000000 +0000
+++ patch-2.7.6/src/patch.c 2018-02-12 12:30:27.315164138 +0000
@@ -269,19 +269,19 @@ main (int argc, char **argv)
if (! strcmp (inname, outname))
{
if (inerrno == -1)
- inerrno = stat_file (inname, &instat);
+ inerrno = stat_file (inname, &instat, NULL);
outstat = instat;
outerrno = inerrno;
}
else
- outerrno = stat_file (outname, &outstat);
+ outerrno = stat_file (outname, &outstat, NULL);
if (! outerrno)
{
if (has_queued_output (&outstat))
{
output_files (&outstat);
- outerrno = stat_file (outname, &outstat);
+ outerrno = stat_file (outname, &outstat, NULL);
inerrno = -1;
}
if (! outerrno)
@@ -598,7 +598,7 @@ main (int argc, char **argv)
}
else
{
- attr |= FA_IDS | FA_MODE | FA_XATTRS;
+ attr |= FA_IDS | FA_MODE | FA_XATTRS | FA_SECCONTEXT;
set_file_attributes (TMPOUTNAME, attr, inname, &instat,
mode, &new_time);
}
@@ -658,7 +658,7 @@ main (int argc, char **argv)
struct stat oldst;
int olderrno;
- olderrno = stat_file (rej, &oldst);
+ olderrno = stat_file (rej, &oldst, NULL);
if (olderrno && olderrno != ENOENT)
write_fatal ();
if (! olderrno && lookup_file_id (&oldst) == CREATED)
@@ -1790,7 +1790,7 @@ delete_file_later (const char *name, con
if (! st)
{
- if (stat_file (name, &st_tmp) != 0)
+ if (stat_file (name, &st_tmp, NULL) != 0)
pfatal ("Can't get file attributes of %s %s", "file", name);
st = &st_tmp;
}
diff -up patch-2.7.6/src/pch.c.selinux patch-2.7.6/src/pch.c
--- patch-2.7.6/src/pch.c.selinux 2018-02-03 12:41:49.000000000 +0000
+++ patch-2.7.6/src/pch.c 2018-02-12 12:29:44.416225375 +0000
@@ -1,6 +1,6 @@
/* reading patches */
-/* Copyright (C) 1986, 1987, 1988 Larry Wall
+/* Copyright (C) 1986, 1987, 1988, 2012 Larry Wall
Copyright (C) 1990-1993, 1997-2003, 2006, 2009-2012 Free Software
Foundation, Inc.
@@ -296,7 +296,7 @@ there_is_another_patch (bool need_header
if (t > buf + 1 && *(t - 1) == '\n')
{
inname = xmemdup0 (buf, t - buf - 1);
- inerrno = stat_file (inname, &instat);
+ inerrno = stat_file (inname, &instat, &incontext);
if (inerrno)
{
perror (inname);
@@ -433,6 +433,7 @@ intuit_diff_type (bool need_header, mode
bool extended_headers = false;
enum nametype i;
struct stat st[3];
+ security_context_t con[3];
int stat_errno[3];
int version_controlled[3];
enum diff retval;
@@ -473,6 +474,7 @@ intuit_diff_type (bool need_header, mode
version_controlled[OLD] = -1;
version_controlled[NEW] = -1;
version_controlled[INDEX] = -1;
+ con[OLD] = con[NEW] = con[INDEX] = NULL;
p_rfc934_nesting = 0;
p_timestamp[OLD].tv_sec = p_timestamp[NEW].tv_sec = -1;
p_says_nonexistent[OLD] = p_says_nonexistent[NEW] = 0;
@@ -883,7 +885,7 @@ intuit_diff_type (bool need_header, mode
}
else
{
- stat_errno[i] = stat_file (p_name[i], &st[i]);
+ stat_errno[i] = stat_file (p_name[i], &st[i], &con[i]);
if (! stat_errno[i])
{
if (lookup_file_id (&st[i]) == DELETE_LATER)
@@ -922,7 +924,7 @@ intuit_diff_type (bool need_header, mode
if (cs)
{
if (version_get (p_name[i], cs, false, readonly,
- getbuf, &st[i]))
+ getbuf, &st[i], &con[i]))
stat_errno[i] = 0;
else
version_controlled[i] = 0;
@@ -985,7 +987,7 @@ intuit_diff_type (bool need_header, mode
{
if (inname)
{
- inerrno = stat_file (inname, &instat);
+ inerrno = stat_file (inname, &instat, &incontext);
if (inerrno || (instat.st_mode & S_IFMT) == file_type)
maybe_reverse (inname, inerrno, inerrno || instat.st_size == 0);
}
@@ -998,8 +1000,14 @@ intuit_diff_type (bool need_header, mode
inerrno = stat_errno[i];
invc = version_controlled[i];
instat = st[i];
+ incontext = con[i];
+ con[i] = NULL;
}
+ for (i = OLD; i <= INDEX; i++)
+ if (con[i])
+ freecon (con[i]);
+
return retval;
}
diff -up patch-2.7.6/src/util.c.selinux patch-2.7.6/src/util.c
--- patch-2.7.6/src/util.c.selinux 2018-02-03 12:41:49.000000000 +0000
+++ patch-2.7.6/src/util.c 2018-02-12 12:29:44.417225374 +0000
@@ -300,6 +300,23 @@ set_file_attributes (char const *to, enu
S_ISLNK (mode) ? "symbolic link" : "file",
quotearg (to));
}
+ if (attr & FA_SECCONTEXT)
+ {
+ security_context_t outcontext;
+ if (incontext && getfilecon (to, &outcontext) != -1 && outcontext)
+ {
+ if (strcmp (outcontext, incontext) &&
+ setfilecon (to, incontext) != 0)
+ {
+ freecon (outcontext);
+ if (errno != ENOTSUP && errno != EPERM)
+ pfatal ("Can't set security context on file %s",
+ quotearg (to));
+ }
+ else
+ freecon (outcontext);
+ }
+ }
}
static void
@@ -446,7 +463,7 @@ move_file (char const *from, bool *from_
struct stat to_st;
int to_errno;
- to_errno = stat_file (to, &to_st);
+ to_errno = stat_file (to, &to_st, NULL);
if (backup)
create_backup (to, to_errno ? NULL : &to_st, false);
if (! to_errno)
@@ -818,7 +835,8 @@ version_controller (char const *filename
Return true if successful. */
bool
version_get (char const *filename, char const *cs, bool exists, bool readonly,
- char const *getbuf, struct stat *filestat)
+ char const *getbuf, struct stat *filestat,
+ security_context_t *filecontext)
{
if (patch_get < 0)
{
@@ -843,6 +861,13 @@ version_get (char const *filename, char
fatal ("Can't get file %s from %s", quotearg (filename), cs);
if (safe_stat (filename, filestat) != 0)
pfatal ("%s", quotearg (filename));
+ if (filecontext && getfilecon (filename, filecontext) == -1)
+ {
+ if (errno == ENODATA || errno == ENOTSUP)
+ *filecontext = NULL;
+ else
+ pfatal ("%s", quotearg (filename));
+ }
}
return 1;
@@ -1670,12 +1695,28 @@ make_tempfile (char const **name, char l
return fd;
}
-int stat_file (char const *filename, struct stat *st)
+int stat_file (char const *filename, struct stat *st, security_context_t *con)
{
int (*xstat)(char const *, struct stat *) =
follow_symlinks ? safe_stat : safe_lstat;
+ int (*xgetfilecon)(char const *, security_context_t *) =
+ follow_symlinks ? getfilecon : lgetfilecon;
+
+ if (xstat (filename, st) == 0)
+ {
+ if (con)
+ {
+ if (xgetfilecon (filename, con) != -1 ||
+ errno == ENODATA || errno == ENOTSUP)
+ return 0;
- return xstat (filename, st) == 0 ? 0 : errno;
+ *con = NULL;
+ }
+ else
+ return 0;
+ }
+
+ return errno;
}
/* Check if a filename is relative and free of ".." components.
diff -up patch-2.7.6/src/util.h.selinux patch-2.7.6/src/util.h
--- patch-2.7.6/src/util.h.selinux 2018-02-03 12:41:49.000000000 +0000
+++ patch-2.7.6/src/util.h 2018-02-12 12:30:08.533190949 +0000
@@ -44,7 +44,7 @@ char *parse_name (char const *, int, cha
char *savebuf (char const *, size_t);
char *savestr (char const *);
char const *version_controller (char const *, bool, struct stat const *, char **, char **);
-bool version_get (char const *, char const *, bool, bool, char const *, struct stat *);
+bool version_get (char const *, char const *, bool, bool, char const *, struct stat *, security_context_t *);
int create_file (char const *, int, mode_t, bool);
int systemic (char const *);
char *format_linenum (char[LINENUM_LENGTH_BOUND + 1], lin);
@@ -67,7 +67,7 @@ void insert_file_id (struct stat const *
enum file_id_type lookup_file_id (struct stat const *);
void set_queued_output (struct stat const *, bool);
bool has_queued_output (struct stat const *);
-int stat_file (char const *, struct stat *);
+int stat_file (char const *, struct stat *, security_context_t *);
bool filename_is_safe (char const *) _GL_ATTRIBUTE_PURE;
bool cwd_is_root (char const *);
@@ -75,7 +75,8 @@ enum file_attributes {
FA_TIMES = 1,
FA_IDS = 2,
FA_MODE = 4,
- FA_XATTRS = 8
+ FA_XATTRS = 8,
+ FA_SECCONTEXT = 16
};
void set_file_attributes (char const *, enum file_attributes, char const *,
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