getspent(3)
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ÇöÀçÀ§Ä¡ : docbook>getspent(3)



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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook V4.1//EN"> 
<chapter lang=ko> 
<!-- ÀÛ¼ºÀÚ : yundream             --> 
<!-- ÀÛ¼ºÀÏ : 2004/02/13           --> 
<!-- ¿¬¶ôó : yundream@joinc.co.kr -->  
 
<!-- ÇÔ¼ö À̸§À» ÀÔ·ÂÇÕ´Ï´Ù --> 
<title>getspent(3)</title> 
 
<!-- ÀÌ°Ç ÇÔ¼ö¿¡ ´ëÇÑ ´ë·«ÀûÀÎ ¼³¸íÀ̱¸¿ä --> 
<para> 
    Shadow ÆÐ½º¿öµå Á¤º¸¸¦ °¡Á®¿Â´Ù. 
</para> 
  
<!-- ¿©±â¿¡ ÇÔ¼öÀÇ °£´ÜÇÑ »ç¿ë¹ýÀÌ µé¾î°©´Ï´Ù --> 
<section> 
    <title>»ç¿ë¹ý</title> 
    <para> 
        <screen> 
#include <shadow.h> 
 
struct spwd *getspent(); 
struct spwd *getspnam(char *name); 
        </screen> 
    </para> 
</section> 
 
<!-- ¿©±â¿£ ÇÔ¼öÀÇ ÀÚ¼¼ÇÑ ¼³¸í ÀÌ µé¾î°©´Ï´Ù --> 
<section> 
    <title>¼³¸í</title> 
    <para> 
        getspent()ÇÔ¼ö´Â shadow ÆÐ½º¿öµå ½Ã½ºÅÛ¿¡¼­ »ç¿ëÀÚÀÇ ÆÐ½º¿öµå Á¤º¸¸¦ 
        ¾ò¾î¿Â´Ù. ¸®´ª½º¿¡¼­ shadow Á¤º¸´Â /etc/shadow ÆÄÀÏ¿¡ ÀúÀåµÈ´Ù.  
        ÀÌ ÇÔ¼ö´Â ½ÇÇà ÈÄ ÆÐ½º¿öµå ±¸Á¶Ã¼ ¿£Æ®¸®ÀÇ Æ÷ÀÎÅ͸¦ µÇµ¹·ÁÁØ´Ù.  
        ÀÌ ¶§ µÇµ¹·ÁÁÖ´Â ±¸Á¶Ã¼´Â <emphasis>spwd</emphasis>·Î¼­ ´ÙÀ½°ú  
        °°ÀÌ Á¤ÀǵǾî ÀÖ´Ù. ÀÌ ±¸Á¶Ã¼´Â shadow ÆÐ½º¿öµå¸¦ Á¶ÀÛÇÏ´Â  
        ´Ù¸¥ ÇÔ¼öµé¿¡µµ °øÅëÀûÀ¸·Î »ç¿ëµÈ´Ù. 
        <screen> 
struct spwd 
{ 
    char *sp_namp;    /* À¯Àú ¾ÆÀ̵ð */ 
    char *sp_pwdp;    /* encrypt µÈ À¯Àú ÆÐ½º¿öµå */ 
    long sp_lstchg;   /* ÃÖ±Ù ¼öÁ¤ÀÏ */ 
    int  sp_min;      /* ¼öÁ¤ÀÛ¾÷°£ÀÇ ÃÖ¼Ò ³¯Â¥ */ 
    int  sp_max;      /* ¼öÁ¤ÀÛ¾÷°£ÀÇ ÃÖ´ë ³¯Â¥ */ 
    int  sp_warn;     /* ÆÐ½º¿öµå°¡ ¹«È¿È­ µÇ±âÀü °æ°íÇÏ´Â ±â°£ */ 
    int  sp_inact;    /* ÆÐ½º¿öµå°¡ ¹«È¿È­µÈµÚ,  
                         °èÁ¤ÀÌ »ç¿ëºÒ´ÉÀÌ µÉ¶§±îÁöÀÇ ±â°£ */ 
    int  sp_expire;   /* °èÁ¤ »ç¿ëºÒ´É ³¯Â¥ */ 
    int  sp_flag;     /* ³ªÁßÀ» À§Çؼ­ ºñ¿öµÒ  */ 
} 
        </screen> 
        ¾ò¾î¿À´Â Á¤º¸´Â ÆÐ½º¿öµå °ü¸®¿¡ °ü·ÃµÈ Á¤º¸µéÀÌ´Ù.     
    </para> 
    <para> 
        getspnam()ÇÔ¼ö´Â ÀÎÀÚ·Î ÁÖ¾îÁö´Â <emphasis>name</emphasis>°ú  
        °°Àº À¯ÀúÀ̸§¿¡ ´ëÇÑ ÆÐ½º¿öµå Á¤º¸¸¦ Àо µÇµ¹·ÁÁØ´Ù. 
    </para> 
</section> 
 
<!-- ÇÔ¼ö°¡ µÇµ¹·ÁÁÖ´Â °ªÀ̱¸¿ä --> 
<section> 
    <title>¹Ýȯ°ª</title> 
    <para> 
        ÀÏÄ¡ÇÏ´Â ÆÐ½º¿öµå ¿£Æ®¸®°¡ ¾øÀ¸¸é NULLÀ» ¸®ÅÏÇÑ´Ù.  
    </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> 
        <screen> 
#include <shadow.h> 
#include <stdio.h> 
 
int main() 
{ 
    struct spwd *myspwd; 
 
    while((myspwd = getspent()) != NULL) 
    { 
        printf("%-20s%s\n", myspwd->sp_namp, myspwd->sp_pwdp); 
    } 
    printf("=====================================\n"); 
    myspwd = getspnam("yundream"); 
    printf("%-20s%s\n", myspwd->sp_namp, myspwd->sp_pwdp); 
} 
        </screen> 
    </para> 
</section> 
<section> 
    <title>Âü°í¹®Çå</title> 
    <para> 
        <orderedlist> 
            <listitem> 
            <para> 
            <ulink url="http://www.joinc.co.kr/modules/moniwiki/wiki.php/article_usr_info_get">À¯ÀúÁ¤º¸ ¾ò¾î¿À±â</ulink> 
            </para> 
            </listitem> 
        </orderedlist> 
    </para> 
</section> 
</chapter> 
 
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