pam_rundir: patch from branch next
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5a1ba21aae
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1315c4240a
2 changed files with 41 additions and 1 deletions
40
srcpkgs/pam_rundir/patches/fix.patch
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40
srcpkgs/pam_rundir/patches/fix.patch
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@ -0,0 +1,40 @@
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--- pam_rundir.c 2015-09-23 12:57:53.000000000 -0400
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+++ pam_rundir2.c 2019-08-24 13:17:11.241470935 -0400
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@@ -24,6 +24,8 @@
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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+#include <sys/prctl.h>
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+#include <linux/securebits.h>
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#include <string.h>
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#include <pwd.h>
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#include <fcntl.h>
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@@ -360,6 +362,7 @@
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char file[sizeof (PARENT_DIR) + l + 2];
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int fd;
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int count = 0;
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+ int secbits = -1;
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print_filename (file, (int) pw->pw_uid, l);
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fd = open_and_lock (file);
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@@ -396,6 +399,11 @@
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goto done;
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}
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+ /* to bypass permission checks for mkdir, in case it isn't group
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+ * writable */
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+ secbits = prctl (PR_GET_SECUREBITS);
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+ if (secbits != -1)
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+ prctl (PR_SET_SECUREBITS, (unsigned long) secbits | SECBIT_NO_SETUID_FIXUP);
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/* set euid so if we do create the dir, it is own by the user */
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if (seteuid (pw->pw_uid) < 0)
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{
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@@ -421,6 +429,8 @@
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}
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done:
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+ if (secbits != -1)
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+ prctl (PR_SET_SECUREBITS, (unsigned long) secbits);
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close (fd); /* also unlocks */
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}
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@ -1,7 +1,7 @@
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# Template file for 'pam_rundir'
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# Template file for 'pam_rundir'
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pkgname=pam_rundir
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pkgname=pam_rundir
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version=1.0.0
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version=1.0.0
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revision=4
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revision=5
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build_style=configure
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build_style=configure
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configure_args="--prefix=/usr --with-parentdir=/run/user"
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configure_args="--prefix=/usr --with-parentdir=/run/user"
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makedepends="pam-devel"
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makedepends="pam-devel"
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