diff options
Diffstat (limited to 'meta/recipes-devtools/rpm/files/0001-Factor-out-and-unify-setting-CLOEXEC.patch')
| -rw-r--r-- | meta/recipes-devtools/rpm/files/0001-Factor-out-and-unify-setting-CLOEXEC.patch | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/meta/recipes-devtools/rpm/files/0001-Factor-out-and-unify-setting-CLOEXEC.patch b/meta/recipes-devtools/rpm/files/0001-Factor-out-and-unify-setting-CLOEXEC.patch new file mode 100644 index 0000000000..6f440c6178 --- /dev/null +++ b/meta/recipes-devtools/rpm/files/0001-Factor-out-and-unify-setting-CLOEXEC.patch @@ -0,0 +1,148 @@ +From 9c3e5de3240554c8ea1b29d52eeadee4840fefac Mon Sep 17 00:00:00 2001 +From: Kir Kolyshkin <kolyshkin@gmail.com> +Date: Tue, 29 May 2018 17:37:05 -0700 +Subject: [PATCH 1/3] Factor out and unify setting CLOEXEC + +Commit 7a7c31f5 ("Set FD_CLOEXEC on opened files before exec from +lua script is called") copied the code that sets CLOEXEC flag on all +possible file descriptors from lib/rpmscript.c to luaext/lposix.c, +essentially creating two copies of the same code (modulo comments +and the unused assignment). + +This commit moves the functionality into its own function, without +any code modifications, using the version from luaext/lposix.c. + +Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com> +Upstream-Status: Accepted [https://github.com/rpm-software-management/rpm/pull/444] +Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com> +--- + lib/rpmscript.c | 18 ++---------------- + luaext/lposix.c | 13 ++----------- + rpmio/rpmio.c | 16 ++++++++++++++++ + rpmio/rpmio_internal.h | 6 ++++++ + 4 files changed, 26 insertions(+), 27 deletions(-) + +diff --git a/lib/rpmscript.c b/lib/rpmscript.c +index 747385a5b..b4ccd3246 100644 +--- a/lib/rpmscript.c ++++ b/lib/rpmscript.c +@@ -3,7 +3,6 @@ + #include <sys/types.h> + #include <sys/wait.h> + #include <errno.h> +-#include <unistd.h> + + #include <rpm/rpmfileutil.h> + #include <rpm/rpmmacro.h> +@@ -14,6 +13,7 @@ + + #include "rpmio/rpmlua.h" + #include "lib/rpmscript.h" ++#include "rpmio/rpmio_internal.h" + + #include "lib/rpmplugins.h" /* rpm plugins hooks */ + +@@ -170,26 +170,12 @@ static const char * const SCRIPT_PATH = "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr + static void doScriptExec(ARGV_const_t argv, ARGV_const_t prefixes, + FD_t scriptFd, FD_t out) + { +- int flag; +- int fdno; + int xx; +- int open_max; + + /* SIGPIPE is ignored in rpm, reset to default for the scriptlet */ + (void) signal(SIGPIPE, SIG_DFL); + +- /* XXX Force FD_CLOEXEC on all inherited fdno's. */ +- open_max = sysconf(_SC_OPEN_MAX); +- if (open_max == -1) { +- open_max = 1024; +- } +- for (fdno = 3; fdno < open_max; fdno++) { +- flag = fcntl(fdno, F_GETFD); +- if (flag == -1 || (flag & FD_CLOEXEC)) +- continue; +- xx = fcntl(fdno, F_SETFD, FD_CLOEXEC); +- /* XXX W2DO? debug msg for inheirited fdno w/o FD_CLOEXEC */ +- } ++ rpmSetCloseOnExec(); + + if (scriptFd != NULL) { + int sfdno = Fileno(scriptFd); +diff --git a/luaext/lposix.c b/luaext/lposix.c +index 0a7c26c71..5d7ad3c87 100644 +--- a/luaext/lposix.c ++++ b/luaext/lposix.c +@@ -27,6 +27,7 @@ + #include <unistd.h> + #include <utime.h> + #include <rpm/rpmutil.h> ++#include "rpmio/rpmio_internal.h" + + #define MYNAME "posix" + #define MYVERSION MYNAME " library for " LUA_VERSION " / Nov 2003" +@@ -335,21 +336,11 @@ static int Pexec(lua_State *L) /** exec(path,[args]) */ + const char *path = luaL_checkstring(L, 1); + int i,n=lua_gettop(L); + char **argv; +- int flag, fdno, open_max; + + if (!have_forked) + return luaL_error(L, "exec not permitted in this context"); + +- open_max = sysconf(_SC_OPEN_MAX); +- if (open_max == -1) { +- open_max = 1024; +- } +- for (fdno = 3; fdno < open_max; fdno++) { +- flag = fcntl(fdno, F_GETFD); +- if (flag == -1 || (flag & FD_CLOEXEC)) +- continue; +- fcntl(fdno, F_SETFD, FD_CLOEXEC); +- } ++ rpmSetCloseOnExec(); + + argv = malloc((n+1)*sizeof(char*)); + if (argv==NULL) return luaL_error(L,"not enough memory"); +diff --git a/rpmio/rpmio.c b/rpmio/rpmio.c +index c7cbc32aa..ea111d2ec 100644 +--- a/rpmio/rpmio.c ++++ b/rpmio/rpmio.c +@@ -1759,3 +1759,19 @@ DIGEST_CTX fdDupDigest(FD_t fd, int id) + + return ctx; + } ++ ++void rpmSetCloseOnExec(void) ++{ ++ int flag, fdno, open_max; ++ ++ open_max = sysconf(_SC_OPEN_MAX); ++ if (open_max == -1) { ++ open_max = 1024; ++ } ++ for (fdno = 3; fdno < open_max; fdno++) { ++ flag = fcntl(fdno, F_GETFD); ++ if (flag == -1 || (flag & FD_CLOEXEC)) ++ continue; ++ fcntl(fdno, F_SETFD, FD_CLOEXEC); ++ } ++} +diff --git a/rpmio/rpmio_internal.h b/rpmio/rpmio_internal.h +index fbed183b0..370cbdc75 100644 +--- a/rpmio/rpmio_internal.h ++++ b/rpmio/rpmio_internal.h +@@ -41,6 +41,12 @@ DIGEST_CTX fdDupDigest(FD_t fd, int id); + int rpmioSlurp(const char * fn, + uint8_t ** bp, ssize_t * blenp); + ++/** ++ * Set close-on-exec flag for all opened file descriptors, except ++ * stdin/stdout/stderr. ++ */ ++void rpmSetCloseOnExec(void); ++ + #ifdef __cplusplus + } + #endif |