[EGIT] [core/efl] master 13/14: ecore - efl exe - check returns of open and dup2 for stdin etc. fds

[Carsten Haitzler]

raster pushed a commit to branch master.

http://git.enlightenment.org/core/efl.git/commit/?id=ca4b9393644f142cbe26cab6734f81f6d891b535

commit ca4b9393644f142cbe26cab6734f81f6d891b535
Author: Carsten Haitzler (Rasterman) <ras...@rasterman.com>
Date:   Sat Sep 19 23:59:59 2020 +0100

    ecore - efl exe - check returns of open and dup2 for stdin etc. fds
    
    check returns - fix CID 1397002
---
 src/lib/ecore/efl_exe.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/lib/ecore/efl_exe.c b/src/lib/ecore/efl_exe.c
index 03c52ab845..7239bcdf6f 100644
--- a/src/lib/ecore/efl_exe.c
+++ b/src/lib/ecore/efl_exe.c
@@ -537,13 +537,14 @@ _efl_exe_efl_task_run(Eo *obj, Efl_Exe_Data *pd)
      {
         // hide stdin
         devnull = open("/dev/null", O_RDONLY);
-        dup2(devnull, STDIN_FILENO);
+        if (devnull < 0) _exit(1);
+        if (dup2(devnull, STDIN_FILENO) < 0) _exit(1);
         close(devnull);
      }
    else if ((td->flags & EFL_TASK_FLAGS_USE_STDIN))
      {
         // hook up stdin to the pipe going to the parent
-        dup2(pipe_stdin[0], STDIN_FILENO);
+        if (dup2(pipe_stdin[0], STDIN_FILENO) < 0) _exit(1);
         close(pipe_stdin[0]);
      }
 
@@ -552,13 +553,14 @@ _efl_exe_efl_task_run(Eo *obj, Efl_Exe_Data *pd)
      {
         // hide stdout
         devnull = open("/dev/null", O_WRONLY);
-        dup2(devnull, STDOUT_FILENO);
+        if (devnull < 0) _exit(1);
+        if (dup2(devnull, STDOUT_FILENO) < 0) _exit(1);
         close(devnull);
      }
    else if ((td->flags & EFL_TASK_FLAGS_USE_STDOUT))
      {
         // hook up stdout to the pipe going to the parent
-        dup2(pipe_stdout[1], STDOUT_FILENO);
+        if (dup2(pipe_stdout[1], STDOUT_FILENO) < 0) _exit(1);
         close(pipe_stdout[1]);
      }
 
@@ -566,7 +568,8 @@ _efl_exe_efl_task_run(Eo *obj, Efl_Exe_Data *pd)
      {
         // hide stderr
         devnull = open("/dev/null", O_WRONLY);
-        dup2(devnull, STDERR_FILENO);
+        if (devnull < 0) _exit(1);
+        if (dup2(devnull, STDERR_FILENO) < 0) _exit(1);
         close(devnull);
      }
 

--