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f89ca996b6
Add two upstream patches to fix build on musl Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
76 lines
2.5 KiB
Diff
76 lines
2.5 KiB
Diff
From 91d4678388b2a7d768ee2ec8cc569e11fc223ffd Mon Sep 17 00:00:00 2001
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From: Rosen Penev <rosenp@gmail.com>
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Date: Sun, 15 Jul 2018 20:43:44 -0700
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Subject: [PATCH] Replace strndupa with strncpy
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glibc only. A static string is better.
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Signed-off-by: Rosen Penev <rosenp@gmail.com>
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[Retrieved from:
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https://github.com/linux-pam/linux-pam/commit/91d4678388b2a7d768ee2ec8cc569e11fc223ffd]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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modules/pam_exec/pam_exec.c | 31 +++++++++++--------------------
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1 file changed, 11 insertions(+), 20 deletions(-)
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diff --git a/modules/pam_exec/pam_exec.c b/modules/pam_exec/pam_exec.c
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index 52dc6818..6cad16e4 100644
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--- a/modules/pam_exec/pam_exec.c
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+++ b/modules/pam_exec/pam_exec.c
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@@ -102,7 +102,7 @@ call_exec (const char *pam_type, pam_handle_t *pamh,
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int use_stdout = 0;
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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[PAM_MAX_RESP_SIZE] = {};
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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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@@ -180,12 +180,12 @@ call_exec (const char *pam_type, pam_handle_t *pamh,
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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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+ strncpy (authtok, resp, sizeof(authtok) - 1);
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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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+ strncpy (authtok, void_pass, sizeof(authtok) - 1);
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if (pipe(fds) != 0)
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{
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@@ -225,23 +225,14 @@ call_exec (const char *pam_type, pam_handle_t *pamh,
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if (expose_authtok) /* send the password to the child */
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{
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- if (authtok != NULL)
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- { /* send the password to the child */
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- if (debug)
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- pam_syslog (pamh, LOG_DEBUG, "send password to child");
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- if (write(fds[1], authtok, strlen(authtok)+1) == -1)
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- pam_syslog (pamh, LOG_ERR,
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- "sending password to child failed: %m");
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- authtok = NULL;
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- }
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- else
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- {
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- if (write(fds[1], "", 1) == -1) /* blank password */
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- pam_syslog (pamh, LOG_ERR,
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- "sending password to child failed: %m");
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- }
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- close(fds[0]); /* close here to avoid possible SIGPIPE above */
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- close(fds[1]);
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+ if (debug)
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+ pam_syslog (pamh, LOG_DEBUG, "send password to child");
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+ if (write(fds[1], authtok, strlen(authtok)) == -1)
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+ pam_syslog (pamh, LOG_ERR,
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+ "sending password to child failed: %m");
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+
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+ close(fds[0]); /* close here to avoid possible SIGPIPE above */
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+ close(fds[1]);
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}
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if (use_stdout)
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