DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (b6057e17f856)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168
/* -*- 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;

    // is this portable?  that is a POSIX compliant call, but I need to check
    if (uname(&buf)) { 
        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 && 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;
}