27 lines
880 B
Plaintext
27 lines
880 B
Plaintext
Goal: don't assume uid 0 == "root", use getpwuid to fetch it
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Fixes: #81924
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Status wrt upstream: It was submitted upstream upstream (3 Jun 2005).
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Some modification may be needed before its inclusion
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upstream (multiple uid 0 accounts).
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http://lists.alioth.debian.org/pipermail/pkg-shadow-devel/2005-June/001287.html
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Index: shadow-4.1.0/src/su.c
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===================================================================
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--- shadow-4.1.0.orig/src/su.c
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+++ shadow-4.1.0/src/su.c
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@@ -449,7 +449,12 @@
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optind++;
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}
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if ('\0' == name[0]) { /* use default user ID */
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- (void) strcpy (name, "root");
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+ struct passwd *root_pw = getpwuid(0);
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+ if (root_pw == NULL) {
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+ SYSLOG((LOG_CRIT, "There is no UID 0 user."));
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+ su_failure(tty);
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+ }
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+ strcpy(name, root_pw->pw_name);
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}
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doshell = argc == optind; /* any arguments remaining? */
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