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sendmail: code shrink on top of previous patches

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-03-18 18:47:16 +01:00
parent e82bfef839
commit a42f530e03
1 changed files with 29 additions and 41 deletions
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70
mailutils/sendmail.c
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@ -92,47 +92,37 @@ static int smtp_check(const char *fmt, int code)
// strip argument of bad chars
static char *sane_address(char *str)
{
char *s = str;
char *p = s;
int leading_space = 1;
int trailing_space = 0;
char *s;
trim(str);
s = str;
while (*s) {
if (isspace(*s)) {
trailing_space = !leading_space;
} else {
*p++ = *s;
if ((!isalnum(*s) && !strchr("_-.@", *s)) ||
trailing_space) {
*p = '\0';
bb_error_msg("Bad address: %s", str);
*str = '\0';
return str;
}
leading_space = 0;
if (!isalnum(*s) && !strchr("_-.@", *s)) {
bb_error_msg("bad address '%s'", str);
/* returning "": */
str[0] = '\0';
return str;
}
s++;
}
*p = '\0';
return str;
}
// check for an address inside angle brackets, if not found fall back to normal
static char *angle_address(char *str)
{
char *s = str;
char *e = str + strlen(str);
char *s, *e;
while (e != str && (isspace(*e) || *e == '\0'))
e--;
if (*e != '>')
goto done;
*e = '\0';
e = strrchr(s, '<');
if (e != NULL)
s = e + 1;
done:
return sane_address(s);
trim(str);
e = last_char_is(str, '>');
if (e) {
s = strrchr(str, '<');
if (s) {
*e = '\0';
str = s + 1;
}
}
return sane_address(str);
}
static void rcptto(const char *s)
@ -145,29 +135,27 @@ static void rcptto(const char *s)
}
// send to a list of comma separated addresses
static void rcptto_list(const char *_str)
static void rcptto_list(const char *list)
{
char *str = xstrdup(_str);
int len = strlen(str);
int in_quote = 0;
char *str = xstrdup(list);
char *s = str;
char prev = 0;
int pos;
int in_quote = 0;
for (pos = 0; pos < len; pos++) {
char ch = str[pos];
while (*s) {
char ch = *s++;
if (ch == '"' && prev != '\\') {
in_quote = !in_quote;
} else if (!in_quote && ch == ',') {
str[pos] = '\0';
rcptto(angle_address(s));
s = str + pos + 1;
s[-1] = '\0';
rcptto(angle_address(str));
str = s;
}
prev = ch;
}
if (prev != ',')
rcptto(angle_address(s));
rcptto(angle_address(str));
free(str);
}
@ -349,7 +337,7 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
// analyze headers
// To: or Cc: headers add recipients
check_hdr = 0 == strncasecmp("To:", s, 3);
check_hdr = (0 == strncasecmp("To:", s, 3));
has_to |= check_hdr;
if (opts & OPT_t) {
if (check_hdr || 0 == strncasecmp("Bcc:" + 1, s, 3)) {