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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsUserInfo.h"
#include "nsCRT.h"
#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/utsname.h>
#include "nsString.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsNativeCharsetUtils.h"
/* Some UNIXy platforms don't have pw_gecos. In this case we use pw_name */
#if defined(NO_PW_GECOS)
#define PW_GECOS pw_name
#else
#define PW_GECOS pw_gecos
#endif
nsUserInfo::nsUserInfo()
{
}
nsUserInfo::~nsUserInfo()
{
}
NS_IMPL_ISUPPORTS(nsUserInfo,nsIUserInfo)
NS_IMETHODIMP
nsUserInfo::GetFullname(char16_t **aFullname)
{
struct passwd *pw = nullptr;
pw = getpwuid (geteuid());
if (!pw || !pw->PW_GECOS) return NS_ERROR_FAILURE;
#ifdef DEBUG_sspitzer
printf("fullname = %s\n", pw->PW_GECOS);
#endif
nsAutoCString fullname(pw->PW_GECOS);
// now try to parse the GECOS information, which will be in the form
// Full Name, <other stuff> - eliminate the ", <other stuff>
// also, sometimes GECOS uses "&" to mean "the user name" so do
// the appropriate substitution
// truncate at first comma (field delimiter)
int32_t index;
if ((index = fullname.Find(",")) != kNotFound)
fullname.Truncate(index);
// replace ampersand with username
if (pw->pw_name) {
nsAutoCString username(pw->pw_name);
if (!username.IsEmpty() && nsCRT::IsLower(username.CharAt(0)))
username.SetCharAt(nsCRT::ToUpper(username.CharAt(0)), 0);
fullname.ReplaceSubstring("&", username.get());
}
nsAutoString unicodeFullname;
NS_CopyNativeToUnicode(fullname, unicodeFullname);
*aFullname = ToNewUnicode(unicodeFullname);
if (*aFullname)
return NS_OK;
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsUserInfo::GetUsername(char * *aUsername)
{
struct passwd *pw = nullptr;
// is this portable? those are POSIX compliant calls, but I need to check
pw = getpwuid(geteuid());
if (!pw || !pw->pw_name) return NS_ERROR_FAILURE;
#ifdef DEBUG_sspitzer
printf("username = %s\n", pw->pw_name);
#endif
*aUsername = strdup(pw->pw_name);
return NS_OK;
}
NS_IMETHODIMP
nsUserInfo::GetDomain(char * *aDomain)
{
nsresult rv = NS_ERROR_FAILURE;
struct utsname buf;
char *domainname = nullptr;
if (uname(&buf) < 0) {
return rv;
}
#if defined(__linux__)
domainname = buf.domainname;
#endif
if (domainname && domainname[0]) {
*aDomain = strdup(domainname);
rv = NS_OK;
}
else {
// try to get the hostname from the nodename
// on machines that use DHCP, domainname may not be set
// but the nodename might.
if (buf.nodename[0]) {
// if the nodename is foo.bar.org, use bar.org as the domain
char *pos = strchr(buf.nodename,'.');
if (pos) {
*aDomain = strdup(pos+1);
rv = NS_OK;
}
}
}
return rv;
}
NS_IMETHODIMP
nsUserInfo::GetEmailAddress(char * *aEmailAddress)
{
// use username + "@" + domain for the email address
nsresult rv;
nsAutoCString emailAddress;
nsXPIDLCString username;
nsXPIDLCString domain;
rv = GetUsername(getter_Copies(username));
if (NS_FAILED(rv)) return rv;
rv = GetDomain(getter_Copies(domain));
if (NS_FAILED(rv)) return rv;
if (!username.IsEmpty() && !domain.IsEmpty()) {
emailAddress = (const char *)username;
emailAddress += "@";
emailAddress += (const char *)domain;
}
else {
return NS_ERROR_FAILURE;
}
*aEmailAddress = ToNewCString(emailAddress);
return NS_OK;
}
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