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* gnu/packages/patches/slurm-23-salloc-fallback-shell.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/parallel.scm (slurm): Use it. (slurm-22.05, slurm-21.08, slurm-20.11, slurm-20.02) (slurm-19.05, slurm-18.08): Drop it. Change-Id: I1498e8d21d631c988edf75a8bcc8d2ae5f244b7a
39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
Have 'salloc' use $SHELL or /bin/sh as the fallback shell.
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This is useful in situations where glibc’s Name Service Switch (NSS) is
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dysfunctional (with ‘getpwuid’ returning NULL), which can happen when
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/etc/nsswitch.conf specifies plugins that fail to be loaded in user code, for
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instance because user code is linked against an incompatible libc.
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Similar patch submitted upstream: https://bugs.schedmd.com/show_bug.cgi?id=19896
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diff --git a/src/salloc/opt.c b/src/salloc/opt.c
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index ffff7c8..74563ad 100644
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--- a/src/salloc/opt.c
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+++ b/src/salloc/opt.c
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@@ -329,6 +329,7 @@ static void _opt_args(int argc, char **argv, int het_job_offset)
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* NOTE: This function is NOT reentrant (see getpwuid_r if needed) */
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static char *_get_shell(void)
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{
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+ char *shell;
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struct passwd *pw_ent_ptr;
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if (opt.uid == SLURM_AUTH_NOBODY)
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@@ -336,11 +337,13 @@ static char *_get_shell(void)
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else
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pw_ent_ptr = getpwuid(opt.uid);
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- if (!pw_ent_ptr) {
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- pw_ent_ptr = getpwnam("nobody");
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- warning("no user information for user %u", opt.uid);
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+ if (pw_ent_ptr) {
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+ shell = pw_ent_ptr->pw_shell;
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+ } else {
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+ shell = getenv("SHELL") ?: "/bin/sh";
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+ warning("no user information for user %u, using '%s' as the shell", opt.uid, shell);
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}
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- return pw_ent_ptr->pw_shell;
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+ return shell;
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}
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static void _salloc_default_command(int *argcp, char **argvp[])
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