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Define a new plugin type that receives accept and reject messages.

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This can be used to implement logging-only plugins.
The plugin functions now take an errstr argument that can be used
to return an error string to be logged on failure or error.
This commit is contained in:
Todd C. Miller
2020-01-30 13:25:34 -07:00
parent 88f9f2ba9a
commit 22105009d8
8 changed files with 983 additions and 211 deletions
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26
src/parse_args.c
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@@ -240,7 +240,7 @@ parse_env_list(struct environment *e, char *list)
* for the command to be run (if we are running one).
*/
int
parse_args(int argc, char **argv, int *nargc, char ***nargv,
parse_args(int argc, char **argv, int *old_optind, int *nargc, char ***nargv,
struct sudo_settings **settingsp, char ***env_addp)
{
struct environment extra_env;
@@ -501,6 +501,7 @@ parse_args(int argc, char **argv, int *nargc, char ***nargv,
argc -= optind;
argv += optind;
*old_optind = optind;
if (!mode) {
/* Defer -k mode setting until we know whether it is a flag or not */
@@ -617,12 +618,29 @@ parse_args(int argc, char **argv, int *nargc, char ***nargv,
argc = ac;
}
/*
* For sudoedit we need to rewrite argv
*/
if (mode == MODE_EDIT) {
#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETEUID)
char **av;
int ac;
av = reallocarray(NULL, argc + 2, sizeof(char *));
if (av == NULL)
sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
if (!gc_add(GC_PTR, av))
exit(1);
/* Must have the command in argv[0]. */
argc++;
argv--;
argv[0] = "sudoedit";
av[0] = "sudoedit";
for (ac = 0; argv[ac] != NULL; ac++) {
av[ac + 1] = argv[ac];
}
av[++ac] = NULL;
argv = av;
argc = ac;
#else
sudo_fatalx(U_("sudoedit is not supported on this platform"));
#endif