forked from github/server
121 lines
3 KiB
C
121 lines
3 KiB
C
/*
|
|
Copyright (c) 1998-2015, Enno Rehling <enno@eressea.de>
|
|
Katja Zedel <katze@felidae.kn-bremen.de
|
|
Christian Schlittchen <corwin@amber.kn-bremen.de>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
**/
|
|
|
|
#include <platform.h>
|
|
#include "goodies.h"
|
|
|
|
/* libc includes */
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
/* Simple Integer-Liste */
|
|
|
|
int *intlist_init(void)
|
|
{
|
|
return (calloc(1, sizeof(int)));
|
|
}
|
|
|
|
int *intlist_add(int *i_p, int i)
|
|
{
|
|
i_p[0]++;
|
|
i_p = realloc(i_p, (i_p[0] + 1) * sizeof(int));
|
|
|
|
i_p[i_p[0]] = i;
|
|
return (i_p);
|
|
}
|
|
|
|
int *intlist_find(int *i_p, int fi)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i <= i_p[0]; i++) {
|
|
if (i_p[i] == fi)
|
|
return (&i_p[i]);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int spc_email_isvalid(const char *address)
|
|
{
|
|
int count = 0;
|
|
const char *c, *domain;
|
|
static const char *rfc822_specials = "()<>@,;:\\\"[]"; /* STATIC_CONST: contains a constant value */
|
|
|
|
/* first we validate the name portion (name@domain) */
|
|
for (c = address; *c; c++) {
|
|
if (*c == '\"' && (c == address || *(c - 1) == '.' || *(c - 1) == '\"')) {
|
|
while (*++c) {
|
|
if (*c == '\"')
|
|
break;
|
|
if (*c == '\\' && (*++c == ' '))
|
|
continue;
|
|
if (*c <= ' ' || *c >= 127)
|
|
return 0;
|
|
}
|
|
if (!*c++)
|
|
return 0;
|
|
if (*c == '@')
|
|
break;
|
|
if (*c != '.')
|
|
return 0;
|
|
continue;
|
|
}
|
|
if (*c == '@')
|
|
break;
|
|
if (*c <= ' ' || *c >= 127)
|
|
return 0;
|
|
if (strchr(rfc822_specials, *c))
|
|
return 0;
|
|
}
|
|
if (*c!='@') {
|
|
/* no @ symbol */
|
|
return -1;
|
|
}
|
|
domain = ++c;
|
|
if (!*c) {
|
|
return -1;
|
|
}
|
|
if (c == address || *(c - 1) == '.')
|
|
return 0;
|
|
|
|
/* next we validate the domain portion (name@domain) */
|
|
do {
|
|
if (*c == '.') {
|
|
if (c == domain || *(c - 1) == '.')
|
|
return 0;
|
|
count++;
|
|
}
|
|
if (*c <= ' ' || *c >= 127)
|
|
return 0;
|
|
if (strchr(rfc822_specials, *c))
|
|
return 0;
|
|
} while (*++c);
|
|
|
|
return (count >= 1);
|
|
}
|
|
|
|
int check_email(const char *newmail)
|
|
{
|
|
if (newmail && *newmail) {
|
|
if (spc_email_isvalid(newmail) <= 0)
|
|
return -1;
|
|
} else {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|