static void
rcpt_add(char *addr)
{
void *nrcpts;
char *p;
int n;
n = 1;
p = addr;
while ((p = strchr(p, ',')) != NULL) {
n++;
p++;
}
if ((nrcpts = realloc(msg.rcpts,
sizeof(char *) * (msg.rcpt_cnt + n))) == NULL)
err(1, "rcpt_add realloc");
msg.rcpts = nrcpts;
while (n--) {
if ((p = strchr(addr, ',')) != NULL)
*p++ = '\0';
msg.rcpts[msg.rcpt_cnt++] = qualify_addr(addr);
if (p == NULL)
break;
addr = p;
}
}
static void
rcpt_add(char *addr)
{
void *nrcpts;
if ((nrcpts = realloc(msg.rcpts,
sizeof(char *) * (msg.rcpt_cnt + 1))) == NULL)
err(1, "rcpt_add realloc");
msg.rcpts = nrcpts;
msg.rcpts[msg.rcpt_cnt++] = qualify_addr(addr);
}
static void
build_from(char *fake_from, struct passwd *pw)
{
char *p;
if (fake_from == NULL)
msg.from = qualify_addr(user);
else {
if (fake_from[0] == '<') {
if (fake_from[strlen(fake_from) - 1] != '>')
errx(1, "leading < but no trailing >");
fake_from[strlen(fake_from) - 1] = 0;
if ((p = malloc(strlen(fake_from))) == NULL)
err(1, "malloc");
strlcpy(p, fake_from + 1, strlen(fake_from));
msg.from = qualify_addr(p);
free(p);
} else
msg.from = qualify_addr(fake_from);
}
if (msg.fromname == NULL && fake_from == NULL && pw != NULL) {
int len, apos;
len = strcspn(pw->pw_gecos, ",");
if ((p = memchr(pw->pw_gecos, '&', len))) {
apos = p - pw->pw_gecos;
if (asprintf(&msg.fromname, "%.*s%s%.*s",
apos, pw->pw_gecos,
pw->pw_name,
len - apos - 1, p + 1) == -1)
err(1, NULL);
msg.fromname[apos] = toupper(msg.fromname[apos]);
} else {
if (asprintf(&msg.fromname, "%.*s", len,
pw->pw_gecos) == -1)
err(1, NULL);
}
}
}
static void
parse_addr_terminal(int is_from)
{
if (pstate.comment || pstate.quote || pstate.esc)
errx(1, "syntax error in address");
if (pstate.wpos) {
if (pstate.wpos >= sizeof(pstate.buf))
errx(1, "address exceeds buffer size");
pstate.buf[pstate.wpos] = '\0';
if (is_from)
msg.from = qualify_addr(pstate.buf);
else
rcpt_add(pstate.buf);
pstate.wpos = 0;
}
}