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libselinux/libselinux-rhat.patch

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diff --exclude-from=exclude -N -u -r nsalibselinux/include/selinux/selinux.h libselinux-1.27.1/include/selinux/selinux.h
--- nsalibselinux/include/selinux/selinux.h 2005-09-01 11:17:40.000000000 -0400
+++ libselinux-1.27.1/include/selinux/selinux.h 2005-09-29 14:46:48.000000000 -0400
@@ -323,6 +323,7 @@
extern const char *selinux_booleans_path(void);
extern const char *selinux_customizable_types_path(void);
extern const char *selinux_users_path(void);
+extern const char *selinux_usersconf_path(void);
/* Check a permission in the passwd class.
Return 0 if granted or -1 otherwise. */
@@ -354,6 +355,12 @@
extern int selinux_raw_to_trans_context(security_context_t raw,
security_context_t *transp);
+
+/* the following functions are used to retrieve the SELinux user and their
+ security level via the Linux usernames selinux */
+
+extern int getseuserbyname(const char *name, char **seuser, char **level);
+
#ifdef __cplusplus
}
#endif
diff --exclude-from=exclude -N -u -r nsalibselinux/man/Makefile libselinux-1.27.1/man/Makefile
--- nsalibselinux/man/Makefile 2004-10-20 16:31:36.000000000 -0400
+++ libselinux-1.27.1/man/Makefile 2005-09-28 14:32:16.000000000 -0400
@@ -8,3 +8,6 @@
install -m 644 man3/*.3 $(MAN3DIR)
install -m 644 man8/*.8 $(MAN8DIR)
+clean:
+ -rm -f *~ \#*
+ -rm -f man8/*~ man8/\#*
diff --exclude-from=exclude -N -u -r nsalibselinux/man/man3/getseuserbyname.3 libselinux-1.27.1/man/man3/getseuserbyname.3
--- nsalibselinux/man/man3/getseuserbyname.3 1969-12-31 19:00:00.000000000 -0500
+++ libselinux-1.27.1/man/man3/getseuserbyname.3 2005-09-29 15:09:57.000000000 -0400
@@ -0,0 +1,21 @@
+.TH "getseuserbyname" "3" "29 September 2005" "dwalsh@redhat.com" "SE Linux API documentation"
+.SH "NAME"
+getseuserbyname \- get SELinux user and level via Linux username
+.SH "SYNOPSIS"
+.B #include <selinux/selinux.h>
+.sp
+.BI "int getseuserbyname(const char *" username ", char **" selinuxuser ", char **" level ");
+.SH "DESCRIPTION"
+.B getseuserbyname
+retrieves the SELinux Username and security level associated with username.
+
+.br
+
+The returned SELinux username and level should be free with free if non-NULL.
+.SH "RETURN VALUE"
+On success, 0 is returned indicating.
+On failure, \-1 is returned and errno is set appropriately.
+
+The errors documented for the stat(2) system call are also applicable
+here.
+
diff --exclude-from=exclude -N -u -r nsalibselinux/src/selinux_config.c libselinux-1.27.1/src/selinux_config.c
--- nsalibselinux/src/selinux_config.c 2005-03-17 14:56:21.000000000 -0500
+++ libselinux-1.27.1/src/selinux_config.c 2005-09-29 11:28:55.000000000 -0400
@@ -11,6 +11,7 @@
#define SELINUXDIR "/etc/selinux/"
#define SELINUXCONFIG SELINUXDIR "config"
+#define SELINUXUSERS SELINUXDIR "seusers.conf"
#define SELINUXDEFAULT "targeted"
#define SELINUXTYPETAG "SELINUXTYPE="
#define SELINUXTAG "SELINUX="
@@ -252,5 +253,9 @@
const char *selinux_users_path() {
return get_path(USERS_DIR);
}
+const char *selinux_usersconf_path() {
+ return SELINUXUSERS;
+}
+
hidden_def(selinux_users_path)
diff --exclude-from=exclude -N -u -r nsalibselinux/src/selinux_internal.h libselinux-1.27.1/src/selinux_internal.h
--- nsalibselinux/src/selinux_internal.h 2005-08-25 16:18:01.000000000 -0400
+++ libselinux-1.27.1/src/selinux_internal.h 2005-09-29 14:49:43.000000000 -0400
@@ -49,6 +49,7 @@
hidden_proto(selinux_check_passwd_access)
hidden_proto(matchpathcon_init)
hidden_proto(selinux_users_path)
+hidden_proto(selinux_usersconf_path);
extern int context_translations hidden;
extern int hidden trans_to_raw_context(char *trans, char **rawp);
diff --exclude-from=exclude -N -u -r nsalibselinux/src/seusers.c libselinux-1.27.1/src/seusers.c
--- nsalibselinux/src/seusers.c 1969-12-31 19:00:00.000000000 -0500
+++ libselinux-1.27.1/src/seusers.c 2005-09-29 14:51:47.000000000 -0400
@@ -0,0 +1,138 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <selinux/selinux.h>
+#include <selinux/context.h>
+#include "selinux_internal.h"
+
+/* Process line from seusers.conf.
+ Remove white space and set name do data before the "=" and sename to data
+ after it */
+static int process_seusers(const char *buffer, char **r_username, char **r_seuser, char **r_level) {
+ char *username=NULL;
+ char *seuser=NULL;
+ char *level=NULL;
+ char *ptr;
+ int rc=-1;
+ char *tok;
+ char *newbuf=strdup(buffer);
+ if (!newbuf) return -1;
+
+ tok=strtok_r(newbuf,":",&ptr);
+ if (!tok) goto err;
+ if ( tok[0]=='#' ) goto err;
+ username=strdup(tok);
+ if (!username) {
+ rc=-1;
+ goto err;
+ }
+
+ tok=strtok_r(NULL,":",&ptr);
+ if (!tok) goto err;
+ while (isspace(*tok)) tok++;
+ if(strlen(tok))
+ seuser=strdup(tok);
+ if (!seuser) {
+ free(username);
+ rc=-1;
+ goto err;
+ }
+
+ tok=strtok_r(NULL,":",&ptr);
+ if (!tok) goto err;
+ while (isspace(*tok)) tok++;
+ if(strlen(tok))
+ level=strdup(tok);
+ if (!level) {
+ free(username);
+ free(seuser);
+ rc=-1;
+ goto err;
+ }
+
+ tok=strtok_r(NULL,":",&ptr);
+ if (tok) {
+ int len;
+ while (isspace(*tok)) tok++;
+ len=strlen(tok);
+ if(len) {
+ char *ptr=realloc(level, strlen(level) + len + 2);
+ if (ptr==NULL) {
+ free(username);
+ free(seuser);
+ free(level);
+ rc=-1;
+ goto err;
+ }
+ level=ptr;
+ strcat(level,":");
+ strcat(level,tok);
+ }
+ }
+
+ *r_username=username;
+ *r_seuser=seuser;
+ *r_level=level;
+ rc=0;
+err:
+ free(newbuf);
+ return rc;
+}
+
+int getseuserbyname(const char *name, char **r_seuser, char **r_level) {
+ FILE *cfg=NULL;
+ size_t size=0;
+ char *buffer=NULL;
+
+ char *username=NULL;
+ char *seuser=NULL;
+ char *level=NULL;
+ char *defaultseuser=NULL;
+ char *defaultlevel=NULL;
+
+ cfg = fopen(selinux_usersconf_path(),"r");
+ if (!cfg) return -1;
+
+ while (getline(&buffer, &size, cfg) > 0) {
+ if(process_seusers(buffer, &username, &seuser, &level) == 0) {
+ if (strcmp(username, name)==0)
+ break;
+
+ if (strcmp(username,"default")==0) {
+ free(username);
+ if (defaultseuser)
+ free(defaultseuser);
+ if (defaultlevel)
+ free(defaultlevel);
+ defaultseuser=seuser;
+ defaultlevel=level;
+ }
+ else {
+ free(username);
+ free(seuser);
+ free(level);
+ }
+ seuser=NULL;
+ }
+ }
+ if (buffer) free(buffer);
+ fclose(cfg);
+ if (seuser) {
+ free(username);
+ free(defaultseuser);
+ free(defaultlevel);
+ *r_seuser=seuser;
+ *r_level=level;
+ return 0;
+ }
+ if (defaultseuser) {
+ *r_seuser=defaultseuser;
+ *r_level=defaultlevel;
+ return 0;
+ }
+
+ return -1;
+}
diff --exclude-from=exclude -N -u -r nsalibselinux/utils/getseuser.c libselinux-1.27.1/utils/getseuser.c
--- nsalibselinux/utils/getseuser.c 1969-12-31 19:00:00.000000000 -0500
+++ libselinux-1.27.1/utils/getseuser.c 2005-09-29 14:46:06.000000000 -0400
@@ -0,0 +1,27 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <getopt.h>
+#include <errno.h>
+#include <string.h>
+#include <selinux/selinux.h>
+
+void usage(const char *progname)
+{
+ fprintf(stderr, "usage: %s\n", progname);
+ exit(1);
+}
+int main(int argc, char **argv) {
+ char *seuser;
+ char *level;
+ if ( argc != 2 ) usage(argv[0]);
+ if (getseuserbyname(argv[1], &seuser, &level) == 0 ) {
+ printf("%s\n", argv[1]);
+ printf("%s\n", seuser);
+ printf("%s", level);
+ return 0;
+ } else {
+ printf("%s not found\n", argv[1]);
+ return -1;
+ }
+}
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