Return a more meaningful errno when the length of the interpreter
exceeds MAXSHELLCMDLEN to avoid secondary /bin/sh execution. Update execve man page to reflect change. Increase MAXSHELLCMDLEN to a slightly more meaningful value. PR: kern/32106 Submitted by: b@etek.chalmers.se Reviewed by: bsd MFC after: 2 weeks
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=87025
@ -210,6 +210,9 @@ A component of the path prefix is not a directory.
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.It Bq Er ENAMETOOLONG
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A component of a pathname exceeded 255 characters,
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or an entire path name exceeded 1023 characters.
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.It Bq Er ENAMETOOLONG
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When invoking an interpreted script, the interpreter name
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exceeds MAXSHELLCMDLEN characters.
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.It Bq Er ENOENT
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The new process file does not exist.
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.It Bq Er ELOOP
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@ -74,7 +74,7 @@ exec_shell_imgact(imgp)
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*/
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for (ihp = &image_header[2]; *ihp != '\n' && *ihp != '#'; ++ihp) {
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if (ihp >= &image_header[MAXSHELLCMDLEN])
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return(ENOEXEC);
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return(ENAMETOOLONG);
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}
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line_endp = ihp;
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@ -36,7 +36,7 @@
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#ifndef _SYS_IMGACT_H_
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#define _SYS_IMGACT_H_
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#define MAXSHELLCMDLEN 64
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#define MAXSHELLCMDLEN 128
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struct image_params {
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struct proc *proc; /* our process struct */
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