Messages in this thread Patch in this message | | | Date | Wed, 21 Nov 2007 11:57:47 +0100 | From | Daniel Reichelt <> | Subject | Re: Patch: Hide process info from other users/users not in my group |
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Hi,
sorry, I messed up the #ifdef directives (confused them with C++...). Here's the really working patch:
--- linux-2.6.23.8/fs/Kconfig 2007-11-16 19:14:27.000000000 +0100 +++ linux-2.6.23.8-dhr/fs/Kconfig 2007-11-20 19:54:54.000000000 +0100 @@ -918,6 +918,36 @@ help Exports the dump image of crashed kernel in ELF format.
+choice + prompt "Restrict access to /proc/<pid>-dirs" + default PROC_PIDDIRS_UNRESTRICTED +config PROC_PIDDIRS_UNRESTRICTED + bool "no restriction" + depends on PROC_FS + help + Don't restrict access to /proc/<pid>-dirs, i.e. leave mode at 555 + respectively r-xr-xr-x . This is the traditional mode of operation. + + If unsure, say Y. +config PROC_PIDDIRS_RESTRICT_TO_UG + bool "restrict to user and group + depends on PROC_FS + help + Restrict access to /proc/<pid>-dirs to user and group, i.e. set mode + to 550 respectively r-xr-x--- . + + If unsure, say N. + +config PROC_PIDDIRS_RESTRICT_TO_U + bool "restrict to user + depends on PROC_FS + help + Restrict access to /proc/<pid>-dirs to user only, i.e. set mode to + 500 respectively r-x------ . + + If unsure, say N. +endchoice + config PROC_SYSCTL bool "Sysctl support (/proc/sys)" if EMBEDDED depends on PROC_FS --- linux-2.6.23.8/fs/proc/base.c 2007-11-16 19:14:27.000000000 +0100 +++ linux-2.6.23.8-dhr/fs/proc/base.c 2007-11-21 10:44:17.000000000 +0100 @@ -2200,7 +2200,13 @@ if (!inode) goto out;
+#if defined CONFIG_PROC_PIDDIRS_UNRESTRICTED inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; +#elif defined CONFIG_PROC_PIDDIRS_RESTRICT_TO_UG + inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP; +#elif defined CONFIG_PROC_PIDDIRS_RESTRICT_TO_U + inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR; +#endif inode->i_op = &proc_tgid_base_inode_operations; inode->i_fop = &proc_tgid_base_operations; inode->i_flags|=S_IMMUTABLE; -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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