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fix msh exec permission denied (#7943)

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This commit is contained in:
geniusgogo
2023-08-16 15:31:36 +08:00
committed by GitHub
parent 0bd93292b3
commit 93388f8045
1 changed files with 14 additions and 3 deletions
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15
components/finsh/msh.c
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@@ -11,6 +11,7 @@
*/ */
#include <rtthread.h> #include <rtthread.h>
#include <string.h> #include <string.h>
#include <errno.h>
#ifdef RT_USING_FINSH #ifdef RT_USING_FINSH
@@ -483,7 +484,7 @@ found_program:
int msh_exec(char *cmd, rt_size_t length) int msh_exec(char *cmd, rt_size_t length)
{ {
int cmd_ret; int cmd_ret = 0;
/* strim the beginning of command */ /* strim the beginning of command */
while ((length > 0) && (*cmd == ' ' || *cmd == '\t')) while ((length > 0) && (*cmd == ' ' || *cmd == '\t'))
@@ -521,7 +522,8 @@ int msh_exec(char *cmd, rt_size_t length)
#ifdef RT_USING_SMART #ifdef RT_USING_SMART
/* exec from msh_exec , debug = 0*/ /* exec from msh_exec , debug = 0*/
/* _msh_exec_lwp return is pid , <= 0 means failed */ /* _msh_exec_lwp return is pid , <= 0 means failed */
if (_msh_exec_lwp(0, cmd, length) > 0) cmd_ret = _msh_exec_lwp(0, cmd, length);
if (cmd_ret > 0)
{ {
return 0; return 0;
} }
@@ -538,7 +540,16 @@ int msh_exec(char *cmd, rt_size_t length)
} }
*tcmd = '\0'; *tcmd = '\0';
} }
#ifdef RT_USING_SMART
if (cmd_ret == -EACCES)
{
rt_kprintf("%s: Permission denied.\n", cmd);
}
else
#endif
{
rt_kprintf("%s: command not found.\n", cmd); rt_kprintf("%s: command not found.\n", cmd);
}
return -1; return -1;
} }