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FS-7088 #resolve Set flag to enable core dump from non-root users. 

When FreeSWITCH is running as a non-privileged user, we need to enable
PR_SET_DUMPABLE for it to be able to generate core dumps.

Instead of a generic __linux__ check, there's a new configure.ac flag
to check directly for prctl.h, which could also be used in other
places in the code.
This commit is contained in:
Humberto Diógenes 2014-12-16 15:12:28 -03:00
parent f48ec61d54
commit ece5cd52db
2 changed files with 10 additions and 1 deletions
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2
configure.ac
View File

@ -766,7 +766,7 @@ AC_SUBST(LIBTOOL_LIB_EXTEN)
# Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS([sys/types.h sys/resource.h sched.h wchar.h sys/filio.h sys/ioctl.h sys/select.h netdb.h execinfo.h])
AC_CHECK_HEADERS([sys/types.h sys/resource.h sched.h wchar.h sys/filio.h sys/ioctl.h sys/prctl.h sys/select.h netdb.h execinfo.h])
if test x"$ac_cv_header_wchar_h" = xyes; then
HAVE_WCHAR_H_DEFINE=1

9
src/switch_core.c
View File

@ -51,6 +51,9 @@
#endif
#include <errno.h>
#include <sqlite3.h>
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
SWITCH_DECLARE_DATA switch_directories SWITCH_GLOBAL_dirs = { 0 };
@ -1029,6 +1032,12 @@ SWITCH_DECLARE(int32_t) change_user_group(const char *user, const char *group)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Failed to change uid!\n");
return -1;
}
#ifdef HAVE_SYS_PRCTL_H
if (prctl(PR_SET_DUMPABLE, 1) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Failed to enable core dumps!\n");
return -1;
}
#endif
}
#endif
return 0;