96 lines
3.8 KiB
Diff
96 lines
3.8 KiB
Diff
--- Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.c.no-unmount 2006-10-24 07:45:36.000000000 -0400
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+++ Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.c 2007-01-19 08:08:58.000000000 -0500
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@@ -1266,12 +1266,30 @@
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idata.flags |= PAMNS_DEBUG;
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if (strcmp(argv[i], "ignore_config_error") == 0)
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idata.flags |= PAMNS_IGN_CONFIG_ERR;
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+ if (strcmp(argv[i], "no_unmount_on_close") == 0)
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+ idata.flags |= PAMNS_NO_UNMOUNT_ON_CLOSE;
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}
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if (idata.flags & PAMNS_DEBUG)
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pam_syslog(idata.pamh, LOG_DEBUG, "close_session - start");
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/*
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+ * For certain trusted programs such as newrole, open session
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+ * is called from a child process while the parent perfoms
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+ * close session and pam end functions. For these commands
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+ * pam_close_session should not perform the unmount of the
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+ * polyinstantiatied directory because it will result in
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+ * undoing of parents polyinstantiatiaion. These commands
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+ * will invoke pam_namespace with the "no_unmount_on_close"
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+ * argument.
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+ */
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+ if (idata.flags & PAMNS_NO_UNMOUNT_ON_CLOSE) {
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+ if (idata.flags & PAMNS_DEBUG)
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+ pam_syslog(idata.pamh, LOG_DEBUG, "close_session - sucessful");
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+ return PAM_SUCCESS;
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+ }
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+
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+ /*
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* Lookup user and fill struct items
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*/
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retval = pam_get_item(idata.pamh, PAM_USER, (void*) &user_name );
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--- Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.8.xml.no-unmount 2006-06-27 09:07:44.000000000 -0400
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+++ Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.8.xml 2007-01-19 07:45:02.000000000 -0500
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@@ -43,6 +43,9 @@
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<arg choice="opt">
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ignore_instance_parent_mode
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</arg>
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+ <arg choice="opt">
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+ no_unmount_on_close
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+ </arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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@@ -179,6 +182,22 @@
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</listitem>
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</varlistentry>
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+ <varlistentry>
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+ <term>
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+ <option>no_unmount_on_close</option>
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+ </term>
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+ <listitem>
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+ <para>
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+ For certain trusted programs such as newrole, open session
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+ is called from a child process while the parent perfoms
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+ close session and pam end functions. For these commands
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+ use this option to instruct pam_close_session to not
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+ unmount the bind mounted polyinstantiated directory in the
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+ parent.
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+ </para>
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+ </listitem>
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+ </varlistentry>
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+
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</variablelist>
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</refsect1>
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--- Linux-PAM-0.99.7.0/modules/pam_namespace/README.xml.no-unmount 2006-06-28 03:22:43.000000000 -0400
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+++ Linux-PAM-0.99.7.0/modules/pam_namespace/README.xml 2007-01-19 07:45:02.000000000 -0500
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@@ -121,6 +121,14 @@
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the restrictive mode of 000. Using this option, an administrator
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can choose to ignore the mode of the instance parent.
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+ no_unmount_on_close
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+ For certain trusted programs such as newrole, open session
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+ is called from a child process while the parent perfoms
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+ close session and pam end functions. For these commands
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+ use this option to instruct pam_close_session to not
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+ unmount the bind mounted polyinstantiated directory in the
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+ parent.
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+
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MODULE SERVICES PROVIDED:
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session open_session and close_session
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--- Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.h.no-unmount 2006-07-28 07:59:28.000000000 -0400
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+++ Linux-PAM-0.99.7.0/modules/pam_namespace/pam_namespace.h 2007-01-19 07:45:02.000000000 -0500
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@@ -86,6 +86,7 @@
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#define PAMNS_GEN_HASH 0x00002000 /* Generate md5 hash for inst names */
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#define PAMNS_IGN_CONFIG_ERR 0x00004000 /* Ignore format error in conf file */
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#define PAMNS_IGN_INST_PARENT_MODE 0x00008000 /* Ignore instance parent mode */
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+#define PAMNS_NO_UNMOUNT_ON_CLOSE 0x00010000 /* no unmount at session close */
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/*
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* Polyinstantiation method options, based on user, security context
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