bubulle
36 lines
999 B
Plaintext
36 lines
999 B
Plaintext
Goal: ???
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Notes:
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* It still needs more investigation.
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I don't know what this patch is used for. IMO, the user name is
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already known before calling pam_get_item(pamh, PAM_USER, ...)
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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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@@ -309,6 +309,8 @@
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struct passwd *pw = 0;
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char **envp = environ;
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char *shellstr = 0, *command = 0;
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+ char *tmp_name;
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+ char **ptr_tmp_name = &tmp_name;
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#ifdef USE_PAM
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char **envcp;
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@@ -674,6 +676,14 @@
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su_failure (tty);
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}
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}
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+ ret = pam_get_item(pamh, PAM_USER, (const void **) ptr_tmp_name);
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+ if (ret != PAM_SUCCESS) {
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+ SYSLOG((LOG_ERR, "pam_get_item: internal PAM error\n"));
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+ fprintf(stderr, "%s: Internal PAM error retrieving username\n", Prog);
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+ pam_end(pamh, ret);
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+ su_failure(tty);
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+ }
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+ strncpy(name, tmp_name, sizeof(name) - 1);
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#else /* !USE_PAM */
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/*
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* Set up a signal handler in case the user types QUIT.
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