mirror of
https://github.com/NixOS/nixpkgs.git
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34 lines
857 B
Diff
34 lines
857 B
Diff
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--- ./modules/pam_exec/pam_exec.c.orig
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+++ ./modules/pam_exec/pam_exec.c
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@@ -103,11 +103,14 @@
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int optargc;
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const char *logfile = NULL;
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const char *authtok = NULL;
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+ char authtok_buf[PAM_MAX_RESP_SIZE+1];
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+
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pid_t pid;
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int fds[2];
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int stdout_fds[2];
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FILE *stdout_file = NULL;
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+ memset(authtok_buf, 0, sizeof(authtok_buf));
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if (argc < 1) {
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pam_syslog (pamh, LOG_ERR,
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"This module needs at least one argument");
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@@ -180,12 +183,12 @@
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if (resp)
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{
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pam_set_item (pamh, PAM_AUTHTOK, resp);
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- authtok = strndupa (resp, PAM_MAX_RESP_SIZE);
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+ authtok = strncpy(authtok_buf, resp, sizeof(authtok_buf));
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_pam_drop (resp);
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}
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}
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else
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- authtok = strndupa (void_pass, PAM_MAX_RESP_SIZE);
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+ authtok = strncpy(authtok_buf, void_pass, sizeof(authtok_buf));
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if (pipe(fds) != 0)
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{
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