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Code Issues Releases Wiki Activity

Fall back to "localhost" if gethostname() fails.

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GitHub issue #332
This commit is contained in:
Todd C. Miller 2023-12-04 09:21:56 -07:00
parent 8dd2967766
commit 8faf432499
1 changed files with 6 additions and 2 deletions
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8
plugins/sudoers/sethost.c
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@ -23,6 +23,7 @@
#include <config.h> #include <config.h>
#include <errno.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -47,10 +48,13 @@ sudoers_sethost(struct sudoers_context *ctx, const char *host,
ctx->user.host = NULL; ctx->user.host = NULL;
ctx->user.shost = NULL; ctx->user.shost = NULL;
if (host == NULL) if (host == NULL) {
ctx->user.host = sudo_gethostname(); ctx->user.host = sudo_gethostname();
else if (ctx->user.host == NULL && errno != ENOMEM)
ctx->user.host = strdup("localhost");
} else {
ctx->user.host = strdup(host); ctx->user.host = strdup(host);
}
if (ctx->user.host == NULL) if (ctx->user.host == NULL)
goto oom; goto oom;
if ((cp = strchr(ctx->user.host, '.')) != NULL) { if ((cp = strchr(ctx->user.host, '.')) != NULL) {