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44 lines
1.9 KiB
44 lines
1.9 KiB
diff -up shadow-4.1.5.1/man/usermod.8.xml.chgrp-guard shadow-4.1.5.1/man/usermod.8.xml |
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--- shadow-4.1.5.1/man/usermod.8.xml.chgrp-guard 2016-05-04 13:44:17.267917583 +0200 |
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+++ shadow-4.1.5.1/man/usermod.8.xml 2016-05-04 13:44:17.284917968 +0200 |
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@@ -198,6 +198,12 @@ |
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The group ownership of files outside of the user's home directory |
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must be fixed manually. |
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</para> |
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+ <para> |
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+ The change of the group ownership of files inside of the user's |
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+ home directory is also not done if the home dir owner uid is |
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+ different from the current or new user id. This is safety measure |
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+ for special home directories such as <filename>/</filename>. |
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+ </para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
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@@ -364,6 +370,12 @@ |
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must be fixed manually. |
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</para> |
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<para> |
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+ The change of the user ownership of files inside of the user's |
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+ home directory is also not done if the home dir owner uid is |
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+ different from the current or new user id. This is safety measure |
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+ for special home directories such as <filename>/</filename>. |
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+ </para> |
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+ <para> |
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No checks will be performed with regard to the |
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<option>UID_MIN</option>, <option>UID_MAX</option>, |
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<option>SYS_UID_MIN</option>, or <option>SYS_UID_MAX</option> |
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diff -up shadow-4.1.5.1/src/usermod.c.chgrp-guard shadow-4.1.5.1/src/usermod.c |
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--- shadow-4.1.5.1/src/usermod.c.chgrp-guard 2016-05-04 13:44:17.280917877 +0200 |
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+++ shadow-4.1.5.1/src/usermod.c 2016-05-04 13:44:17.285917991 +0200 |
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@@ -1971,7 +1971,10 @@ int main (int argc, char **argv) |
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} |
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if (!mflg && (uflg || gflg)) { |
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- if (access (dflg ? user_newhome : user_home, F_OK) == 0) { |
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+ struct stat sb; |
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+ |
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+ if (stat (dflg ? user_newhome : user_home, &sb) == 0 && |
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+ ((uflg && sb.st_uid == user_newid) || sb.st_uid == user_id)) { |
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/* |
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* Change the UID on all of the files owned by |
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* `user_id' to `user_newid' in the user's home
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