telodendria/src/User.c

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/*
* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <User.h>
#include <string.h>
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struct User
{
Db *db;
DbRef *ref;
};
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int
UserValidate(char *localpart, char *domain)
{
size_t maxLen = 255 - strlen(domain) - 1;
size_t i = 0;
while (localpart[i])
{
char c = localpart[i];
if (i > maxLen)
{
return 0;
}
if (!((c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
(c == '.') || (c == '_') || (c == '=') || (c == '-') ||
(c == '/')))
{
return 0;
}
i++;
}
return 1;
}
int
UserHistoricalValidate(char *localpart, char *domain)
{
size_t maxLen = 255 - strlen(domain) - 1;
size_t i = 0;
while (localpart[i])
{
char c = localpart[i];
if (i > maxLen)
{
return 0;
}
if (!(c >= 0x21 && c <= 0x39) || (c >= 0x3B && c <= 0x7E))
{
return 0;
}
i++;
}
return 1;
}
int
UserExists(Db * db, char *name)
{
return DbExists(db, 2, "users", name);
}