85 lines
2 KiB
C
85 lines
2 KiB
C
/* Author: Peter Vrabec <pvrabec@redhat.com> */
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#include <config.h>
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#ifdef USE_SSSD
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#include "sssd.h"
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "alloc/malloc.h"
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#include "exitcodes.h"
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#include "defines.h"
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#include "prototypes.h"
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#include "shadowlog_internal.h"
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#include "string/strcmp/streq.h"
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#define MSG_SSSD_FLUSH_CACHE_FAILED "%s: Failed to flush the sssd cache."
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int
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sssd_flush_cache(int dbflags)
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{
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int status, code, rv;
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char *p;
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char *sss_cache_args = NULL;
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const char *cmd = "/usr/sbin/sss_cache";
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const char *spawnedArgs[] = {"sss_cache", NULL, NULL};
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const char *spawnedEnv[] = {NULL};
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struct stat sb;
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rv = stat(cmd, &sb);
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if (rv == -1 && errno == ENOENT)
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return 0;
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sss_cache_args = MALLOC(4, char);
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if (sss_cache_args == NULL) {
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return -1;
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}
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p = stpcpy(sss_cache_args, "-");
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if (dbflags & SSSD_DB_PASSWD)
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stpcpy(p, "U");
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if (dbflags & SSSD_DB_GROUP)
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stpcpy(p, "G");
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if (streq(p, "")) {
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/* Neither passwd nor group, nothing to do */
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free(sss_cache_args);
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return 0;
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}
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spawnedArgs[1] = sss_cache_args;
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rv = run_command (cmd, spawnedArgs, spawnedEnv, &status);
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free(sss_cache_args);
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if (rv != 0) {
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/* run_command writes its own more detailed message. */
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SYSLOG ((LOG_WARN, MSG_SSSD_FLUSH_CACHE_FAILED, shadow_progname));
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return -1;
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}
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code = WEXITSTATUS (status);
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if (!WIFEXITED (status)) {
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SYSLOG ((LOG_WARN, "%s: sss_cache did not terminate normally (signal %d)",
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shadow_progname, WTERMSIG (status)));
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return -1;
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} else if (code == E_CMD_NOTFOUND) {
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/* sss_cache is not installed, or it is installed but uses an
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interpreter that is missing. Probably the former. */
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return 0;
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} else if (code != 0) {
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SYSLOG ((LOG_WARN, "%s: sss_cache exited with status %d", shadow_progname, code));
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SYSLOG ((LOG_WARN, MSG_SSSD_FLUSH_CACHE_FAILED, shadow_progname));
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return -1;
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}
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return 0;
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}
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#else /* USE_SSSD */
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extern int ISO_C_forbids_an_empty_translation_unit;
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#endif /* USE_SSSD */
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