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