forked from github/server
106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
#include <platform.h>
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#include "goodies.h"
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/* libc includes */
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#include <stdlib.h>
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#include <string.h>
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/* Simple Integer-Liste */
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int *intlist_init(void)
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{
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return (calloc(1, sizeof(int)));
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}
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int *intlist_add(int *i_p, int i)
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{
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void *tmp;
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i_p[0]++;
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tmp = realloc(i_p, (i_p[0] + 1) * sizeof(int));
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if (!tmp) abort();
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i_p = (int *)tmp;
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i_p[i_p[0]] = i;
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return (i_p);
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}
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int *intlist_find(int *i_p, int fi)
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{
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int i;
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for (i = 1; i <= i_p[0]; i++) {
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if (i_p[i] == fi)
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return (&i_p[i]);
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}
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return NULL;
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}
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static int spc_email_isvalid(const char *address)
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{
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int count = 0;
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const char *c, *domain;
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static const char *rfc822_specials = "()<>@,;:\\\"[]"; /* STATIC_CONST: contains a constant value */
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/* first we validate the name portion (name@domain) */
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for (c = address; *c; c++) {
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if (*c == '\"' && (c == address || *(c - 1) == '.' || *(c - 1) == '\"')) {
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while (*++c) {
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if (*c == '\"')
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break;
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if (*c == '\\' && (*++c == ' '))
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continue;
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if (*c <= ' ' || *c >= 127)
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return 0;
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}
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if (!*c++)
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return 0;
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if (*c == '@')
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break;
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if (*c != '.')
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return 0;
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continue;
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}
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if (*c == '@')
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break;
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if (*c <= ' ' || *c >= 127)
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return 0;
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if (strchr(rfc822_specials, *c))
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return 0;
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}
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if (*c!='@') {
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/* no @ symbol */
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return -1;
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}
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domain = ++c;
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if (!*c) {
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return -1;
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}
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if (c == address || *(c - 1) == '.')
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return 0;
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/* next we validate the domain portion (name@domain) */
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do {
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if (*c == '.') {
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if (c == domain || *(c - 1) == '.')
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return 0;
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count++;
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}
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if (*c <= ' ' || *c >= 127)
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return 0;
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if (strchr(rfc822_specials, *c))
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return 0;
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} while (*++c);
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return (count >= 1);
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}
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int check_email(const char *newmail)
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{
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if (newmail && *newmail) {
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if (spc_email_isvalid(newmail) <= 0)
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return -1;
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} else {
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return -1;
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}
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return 0;
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}
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