50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
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Deal with _POSIX_SAVED_IDS when relinquishing privileges
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use MAXHOSTNAMELEN
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--- unix/init.c.orig Thu May 29 08:08:49 2003
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+++ unix/init.c Fri Apr 13 15:54:54 2012
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@@ -49,6 +49,10 @@
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#if ! HAVE_GETHOSTNAME && HAVE_UNAME
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#include <sys/utsname.h>
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#endif
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+#if HAVE_GETHOSTNAME
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+/* Get a value for MAXHOSTNAMELEN. */
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+#include <sys/param.h>
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+#endif
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/* Use getcwd in preference to getwd; if we have neither, we will be
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using a getcwd replacement. */
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@@ -209,7 +213,7 @@ usysdep_initialize (puuconf,iflags)
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if (iuuconf == UUCONF_NOT_FOUND)
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{
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#if HAVE_GETHOSTNAME
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- char ab[256];
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+ char ab[MAXHOSTNAMELEN];
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if (gethostname (ab, sizeof ab - 1) < 0)
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ulog (LOG_FATAL, "gethostname: %s", strerror (errno));
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@@ -271,8 +275,10 @@ usysdep_initialize (puuconf,iflags)
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&& geteuid () == 0)
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{
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q = getpwnam (OWNER);
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- if (q != NULL)
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+ if (q != NULL) {
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+ seteuid (q->pw_uid);
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setuid (q->pw_uid);
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+ }
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}
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if ((iflags & INIT_GETCWD) != 0)
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@@ -370,8 +376,10 @@ usysdep_exit (fsuccess)
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boolean fsysdep_other_config (z)
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const char *z ATTRIBUTE_UNUSED;
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{
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- (void) setuid (getuid ());
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+ (void) setegid (getgid ());
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(void) setgid (getgid ());
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+ (void) seteuid (getuid ());
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+ (void) setuid (getuid ());
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return TRUE;
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}
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