chown(2)
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ÇöÀçÀ§Ä¡ : docbook>chown(2)



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HTML º¯È¯¹®¼­

<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook V4.1//EN"> 
<chapter lang=ko> 
<!-- ÀÛ¼ºÀÚ : yundream             --> 
<!-- ÀÛ¼ºÀÏ : 2004/01/27           --> 
<!-- ¿¬¶ôó : yundream@joinc.co.kr -->  
 
<!-- ÇÔ¼ö À̸§À» ÀÔ·ÂÇÕ´Ï´Ù --> 
<title>chown(2)</title> 
 
<!-- ÀÌ°Ç ÇÔ¼ö¿¡ ´ëÇÑ ´ë·«ÀûÀÎ ¼³¸íÀ̱¸¿ä --> 
<para> 
    ÆÄÀÏ¿¡ ´ëÇÑ ¼ÒÀ¯±ÇÀ» ¹Ù²Ù±â À§Çؼ­ »ç¿ëµÈ´Ù. À¯»çÇÑ ·ùÀÇ ÇÔ¼ö·Î fchown(2), lchown(2) ÇÔ¼öµéÀÌ ÀÖ´Ù 
</para> 
  
<!-- ¿©±â¿¡ ÇÔ¼öÀÇ °£´ÜÇÑ »ç¿ë¹ýÀÌ µé¾î°©´Ï´Ù --> 
<section> 
    <title>»ç¿ë¹ý</title> 
    <para> 
        <screen> 
#include <sys/types.h> 
#include <unistd.h> 
 
int chown(const char *path, uid_t owner, gid_t group); 
int fchown(int fd, uid_t owner, gid_t group); 
int lchown(const char *path, uid_t owner, gid_t group); 
        </screen> 
    </para> 
</section> 
 
<!-- ¿©±â¿£ ÇÔ¼öÀÇ ÀÚ¼¼ÇÑ ¼³¸í ÀÌ µé¾î°©´Ï´Ù --> 
<section> 
    <title>¼³¸í</title> 
    <para> 
        chown(2) °è¿­ÀÇ ÇÔ¼öµéÀº <emphasis>path</emphasis>¿¡ ÁöÁ¤µÇ¾îÀÖ´Â  
        ÆÄÀÏ È¤Àº fd(ÆÄÀÏÁöÁ¤ÀÚ)°¡ °¡¸£Å°´Â ÆÄÀÏÀÇ ¼ÒÀ¯(¹× ±×·ì)±ÇÇÑÀ»  
        º¯°æÇϱâ À§ÇØ »ç¿ëµÈ´Ù. chown(2)À» ÀÌ¿ëÇØ¼­ ÆÄÀÏÀÇ ±ÇÇÑÀ»  
        º¯°æÇϱâ À§Çؼ­´Â  
        ÇØ´ç ÆÄÀÏ¿¡ ´ëÇÑ ±ÇÇÑÀ» °¡Áö°í ÀÖ¾î¾ß ÇÑ´Ù. ½´ÆÛÀ¯Àú´Â ÀÓÀÇ·Î  
        ±ÇÇÑÀÇ º¯°æÀÌ °¡´ÉÇÏ´Ù.      
    </para> 
    <para> 
        lchown(2)Àº ½Éº¼¸µ ¸µÅ©(sybolic links)¿¡ ´ëÇÑ ¼ÒÀ¯ ±ÇÇÑÀ» º¯°æ Ç챉  
        À§ÇÑ ¸ñÀûÀ¸·Î °ú°Å(2.1.x)¿¡ »ç¿ëµÇ¾ú¾ú´Ù.  
        ±×·¯³ª ÃÖ±ÙÀÇ Ä¿³ÎµéÀº ½Éº¼¸¯  
        ¸µÅ©¿¡ ´ëÇÑ ±ÇÇÑ º¯°æÀ» Çã¿ëÇÏÁö ¾Ê´Â´Ù. lchown(2)¿ª½Ã ³»ºÎÀûÀ¸·Î  
        chown(2)¿Í µ¿ÀÏÇÑ ½Ã½ºÅÛ ÄÝÀ» »ç¿ëÇÑ´Ù.   
    </para> 
</section> 
 
<!-- ÇÔ¼ö°¡ µÇµ¹·ÁÁÖ´Â °ªÀ̱¸¿ä --> 
<section> 
    <title>¹Ýȯ°ª</title> 
    <para> 
        ¼º°øÇÒ°æ¿ì 0À» ½ÇÆÐÇßÀ»°æ¿ì¿¡´Â -1À» ¹ÝȯÇϸç, Àû´çÇÑ errno °ªÀ»  
        ¼³Á¤ÇÑ´Ù.  
    </para> 
</section> 
 
<!-- ¿¡·¯°¡ ¹ß»ýÇßÀ»¶§ µÇµ¹·ÁÁÖ´Â °ªµéÀÔ´Ï´Ù --> 
<section> 
    <title>¿¡·¯</title> 
    <para> 
        <variablelist>     
            <varlistentry> 
            <term>EPERM</term>     
            <listitem> 
                <para>     
                    À¯È¿ UID°¡ ÆÄÀÏÀÇ ¼ÒÀ¯ÀÚ¿Í ÀÏÄ¡ÇÏÁö ¾ÊÀ¸¸ç 0ÀÌ ¾Æ´Ò °æ¿ì,  
                    ȤÀº ¼ÒÀ¯ÀÚ³ª ±×·ìÀÌ Á¤È®È÷ ÁöÁ¤µÇÁö ¾Ê¾ÒÀ» °æ¿ì 
                </para>     
            </listitem> 
            </varlistentry> 
 
            <varlistentry> 
            <term>EROFS</term> 
            <listitem> 
                <para> 
                    ¼ÒÀ¯±ÇÀ» º¯°æÇϰíÀÚ ÇÏ´Â ÆÄÀÏÀÌ ÀбâÀü¿ë ÆÄÀϽýºÅÛ¿¡  
                    ÀÖÀ» °æ¿ì·Î cd-rom ȤÀº Àбâ Àü¿ëÀÇ samba, NFS ÆÄÀÏ ½Ã½ºÅÛ 
                    µî¿¡¼­ ¹ß»ýÇÒ ¼ö ÀÖ´Ù.  
                </para> 
            </listitem> 
            </varlistentry> 
            <varlistentry> 
            <term>ENOENT</term> 
            <listitem> 
                <para> 
                    ÆÄÀÏÀÌ Á¸ÀçÇÏÁö ¾Ê´Â´Ù. 
                </para> 
            </listitem> 
            </varlistentry> 
            <varlistentry> 
            <term>ENOMEM</term> 
            <listitem> 
                <para> 
                    Ä¿³Î ¸Þ¸ð¸®°¡ ÃæºÐÇÏÁö ¾ÊÀ» ¶§ 
                </para> 
            </listitem> 
            </varlistentry> 
            <varlistentry> 
            <term>EACCESS</term> 
            <listitem> 
                <para> 
                    ÆÄÀÏÀ» ã±â À§ÇÑ µð·ºÅ丮 ±ÇÇÑÀÌ °ÅºÎµÇ¾úÀ» ¶§ 
                </para> 
            </listitem> 
            </varlistentry> 
        </variablelist>     
    </para> 
</section> 
 
<!-- ¸¶Áö¸·À¸·Î ¿¡Á¦ ÀÔ´Ï´Ù                                                 --> 
<!-- ¿©±â¿¡´Â ¿ÏÀüÇÑ ¿¹Á¦°¡ µé¾î°¡ Àִµ¥, ±»ÀÌ ¿ÏÀüÇÑ ¿¹Á¦¸¦ ¸¸µéÇÊ¿ä ¾øÀÌ --> 
<!-- ÄÚµå ÀϺκи¸ ÀÛ¼ºÇؼ­ ¿Ã·ÁÁּŵµ µË´Ï´Ù                               -->  
<!-- "<", ">", "&" µîÀº º¯È¯ÇØ ÁÖ¼Å¾ß Çϴµ¥, ±ÍÂúÀ¸½Ã¸é :-) º¯È¯ ÇÏÁö ¾Ê   --> 
<!-- ¾Æµµ µË´Ï´Ù. Á¦°¡ °Ë»ç ÇØ¼­ ¿Ã¸®°Ú½À´Ï´Ù                               --> 
<!-- ¿¹Á¦¿¡ ´ëÇÑ °£´ÜÇÑ ¼³¸íÀ» Àû¾îÁּŵµ µÇ±¸¿ä                            --> 
<section> 
    <title>¿¹Á¦</title> 
    <para> 
        /home/test/my.txt ÆÄÀÏÀÇ À¯Àú±ÇÇÑÀ» yundream ±×·ì±ÇÇÑÀ» post ·Î  
        º¯°æÇϱ⠿øÇÒ¶§ 
        <screen> 
#include <sys/types.h> 
#include <unistd.h> 
#include <pwd.h> 
#include <grp.h> 
#include <sys/types.h> 
 
int main() 
{ 
    struct passwd *u_info; 
    struct group  *g_info; 
 
    u_info = getpwnam("yundream"); 
    g_info = getgrnam("post"); 
 
    chown("/home/test/my.txt", u_info->pw_uid, g_info->gr_gid); 
} 
        </screen> 
        getpwnam(3) °ú getgrnam(3) Àº °¢°¢ À¯ÀúÀÇ Á¤º¸¿Í ±×·ìÀÇ Á¤º¸¸¦  
        À̸§À¸·Î °¡Á®¿À±â À§Çؼ­ »ç¿ëÇÏ´Â ÇÔ¼öÀÌ´Ù. getpwnam Àº /etc/passwd  
        ÆÄÀÏÀ», getgrnam Àº /etc/group ÆÄÀÏÀ» ÂüÁ¶ÇÏ¿©¼­ °¢°¢ÀÇ  
        Á¤º¸¸¦ °¡Á®¿Â´Ù.  
    </para> 
</section> 
</chapter> 
 
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