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<!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 Çϱâ 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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