saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/logging.c
/*
 * Send a message to MAILTO user
 */
static bool
send_mail(const char *fmt, ...)
{
    ...
    /* If mailer is disabled just return. */
[0] if (!def_mailerpath || !def_mailto)

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/def_data.h
#define I_MAILERPATH            39
#define def_mailerpath          (sudo_defs_table[I_MAILERPATH].sd_un.str)

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/def_data.c
struct sudo_defs_types sudo_defs_table[] = {
    {
        ...
    }, {
        "mailerpath", T_STR|T_BOOL|T_PATH,
        N_("Path to mail program: %s"),
        NULL,
    }, {
        "mailerflags", T_STR|T_BOOL,

saidelike

/*
 * Structure describing compile-time and run-time options.
 */
struct sudo_defs_types {
    char *name;
    int type;
    char *desc;
    struct def_values *values;
    bool (*callback)(const union sudo_defs_val *);
    union sudo_defs_val sd_un;

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/parse.h
/*
 * Structure describing a Defaults entry in sudoers.
 */
struct defaults {
    TAILQ_ENTRY(defaults) entries;
    char *var;                                /* variable name */
    char *val;                                /* variable value */
    struct member_list *binding;              /* user/host/runas binding */
    char *file;                               /* file Defaults entry was in */

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/defaults.c
bool
update_defaults(int what, bool quiet)
{
    struct defaults *d; 
    ...

    /*
     * Then set the rest of the defaults.
     */

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/sudoers.c
static int
set_cmnd(void)
{
    ...
    if (sudo_mode & (MODE_RUN | MODE_EDIT | MODE_CHECK)) {
        ...
        /* set user_args */
        if (NewArgc > 1) {
            char *to, *from, **av;

saidelike

//glibc_2.17-322.el7_9/malloc/malloc.c
static void*
_int_malloc(mstate av, size_t bytes)
{
  ...
  for(;;) {

    int iters = 0;
    while ( (victim = unsorted_chunks(av)->bk) != unsorted_chunks(av)) {
      bck = victim->bk;

saidelike

//glibc_2.17-322.el7_9/malloc/malloc.c
/* Set size/use field */
#define set_head(p, s)       ((p)->size = (s))

static void*
_int_malloc(mstate av, size_t bytes)
{
    ...
  use_top:
    /*

saidelike

//sudo_1.8.23-9.el7/plugins/sudoers/sudoers.c
int
sudoers_policy_main(int argc, char * const argv[], int pwflag, char *env_add[],
    void *closure)
{
    ...

    /* Find command in path and apply per-command Defaults. */
[a] cmnd_status = set_cmnd();
    if (cmnd_status == NOT_FOUND_ERROR)