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time(&today_second);
today = gmtime(&today_second);
À̺κÐÀ»
time(&today_second);
today_second += 32400;
today = gmtime(&today_second);
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CÀÇ unix timestamp ¾Æ¸¶ GMT ±âÁØÀÏ°Ì´Ï´Ù.
9½Ã°£À» ´õÇÏÁö ¾Ê°í,
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½ÇÆÐÇÕ´Ï´Ù.
>¿¹¸¦µé¸é 2003³â 09¿ù 23ÀÏ¿¡ ¹é¾÷µÈ Æú´õ°¡ ÀÖ´Ù¸é...
>±× ´ÙÀ½³¯ºÎÅÏ °è¼Ó 2003-09-23 Æú´õ¸¸ »ý¼ºÇÏ·Á°í ÇÏÁÒ.
>µµ´ëü ÀÌÀ¯°¡ ¹»±î¿ä...
>Áö±ÝÀº Å©·ÐÀ¸·Î ¹é¾÷½Ã°£ 5ºÐÀü¿¡ Àü³¯ Æú´õ¸¦ »èÁ¦ÇØÁÖ´Â ¹æ½ÄÀ¸·Î µ¹¸®°í
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>¾Æ·¡´Â ¼Ò½º ÀÔ´Ï´Ù.
>ÆÄÀϵµ ¸µÅ©½ÃÄÑ µÎ°Ú½À´Ï´Ù.
>http://www.inet1004.net/backup.c
>-----------------------------------------------------------------------------------
---------
>#include <stdio.h>
>#include <time.h>
>#include <dirent.h>
>#include <string.h>
>
>/*---------------- »ç¿ëÀÚ°¡ °íÃÄ¾ß ÇÒ ºÎºÐ
-------------------------------------------------
>*/
>
>const char *BACKUP_DIR = "/backup"; //¹é¾÷ÆÄÀÏÀÌ ÀúÀåµÉ
Æú´õÀ» Àý´ë°æ·Î·Î ÁöÁ¤ÇØ
>ÁÝ´Ï´Ù.
>const char *HOME_DIR = "/home"; //¹é¾÷ÇÒ È¨Æú´õ¸¦
ÁöÁ¤ÇØ ÁÝ´Ï´Ù.
>const int EXPIRE_DAY = 3; //¸îÀÏÀÌ Áö³ª¸é
»èÁ¦ÇÒ°ÇÁö¸¦ ÁöÁ¤ÇÕ´Ï´Ù.
>
>/*---------------------------------------------------------------------------------
---------
>*/
>
>/* php ÀÇ mktime °ú °°Àº ÀÏÀ» ÇÏ´Â Æã¼Ç. */
>time_t SFmktime(int hour, int minute, int second, int month, int day, int
year){
> struct tm *change_time;
> time_t this_time;
> time(&this_time);
> change_time = gmtime(&this_time);
>
> year = year - 1900;
> month = month - 1;
>
> change_time->tm_sec = second;
> change_time->tm_min = minute;
> change_time->tm_hour = hour;
> change_time->tm_mday = day;
> change_time->tm_mon = month;
> change_time->tm_year = year;
> //printf("%02d-%02d-%02d\n",change_time->tm_year +
1900,change_time->tm_mon
>+1,change_time->tm_mday);
> return mktime(change_time);
>
>}
>
>/* main --------------------------------------------*/
>int main(){
> //time_t now;
> time_t today_second; //¿À´ÃÀÇ ½Ã°£À» ÃÊ·Î ÀúÀå¹ÞÀ» º¯¼ö
> time_t pastday; // µð·ºÅ丮¸ñ·ÏÀ» ³¯Â¥·Î º¯È¯ÇÑ ÈÄ ÀúÀå¹ÞÀ» º¯¼ö,
°è¼Ó ¹Ù²ñ
> struct tm *today;
>
> DIR *directory; // µð·ºÅ丮 ÀúÀå°ø°£.
> struct dirent *dir_info; //µð·ºÅ丮 À̸§À» ÀúÀåÇÒ
±¸Á¶Ã¼
> char *remove_dirname;
> char *create_dirname;
> char *cmds;
>
> char sep[] = "-"; // ³¯Â¥ ÀÚ¸¦ ±¸ºÐÀÚ.
> char *pp; // Àӽ÷ΠÀß·ÁÁø ³¯Â¥.
> int i, expire_second;
> char *year, *month, *day;
> char days[11];
>
> // ¹é¾÷µð·ºÅ丮À̸§À» ÀúÀåÇÒ ¸Þ¸ð¸®¸¦ ÃʱâÈ ÇÑ´Ù.
> remove_dirname = (char*)malloc(40);
> create_dirname = (char*)malloc(40);
> cmds = (char*)malloc(1024);
> // ½Ã°£ ±¸Á¶Ã¼¸¦ ÃʱâÈ ½ÃÅ°°í
> time(&today_second);
> today = gmtime(&today_second);
>
> // ¿À´ÃÀÏÀÚ¸¦ ÃʷΠȯ»êÇÏ¿© ÀúÀåÇÑ´Ù.
> // today_second
> today_second = SFmktime(0,0,0,today->tm_mon +
1,today->tm_mday,today-
>>tm_year + 1900);
>
printf("=================================================================\n&quo
t;);
> printf(" %d-%d-%d ÀÏÀÚ ¹é¾÷½ºÅ©¸³Æ® ÀÛµ¿
Á¤º¸ÀÔ´Ï´Ù.\n",today-
>>tm_year+1900,today->tm_mon+1,today->tm_mday);
>
printf("=================================================================\n&quo
t;);
> //printf("%d\n",today_second);
>
> // ¿ì¼± ¹é¾÷ÇÒ µð·ºÅ丮³»¿¡ ÀÖ´Â Æú´õÀÇ À̸§À» ºÒ·¯ directory ¿¡
ÀúÀåÇÑ´Ù.
> directory = opendir(BACKUP_DIR);
>
> //¹è¿ÀÌ Á¾·áµÉ¶§±îÁö ·çÇÁ¸¦ µ¹¸°´Ù. µð·ºÅ丮¸íÀ» dir_info ±¸Á¶Ã¼¿¡
ÀúÀåÇÑ´Ù.
> while((dir_info = readdir(directory)) != NULL){
> // ¸¸¾à µð·ºÅ丮 À̸§ÀÌ . or .. or logs ¶ó¸é
³Ñ¾î°£´Ù.
> if(strcmp(".",dir_info->d_name) == 0 ||
strcmp("..",dir_info->d_name) == 0 ||
>strcmp("logs",dir_info->d_name) == 0){
> continue;
> }
> // µð·ºÅ丮¸íÀ» "-" ±¸ºÐÀÚ·Î À߶󳻼 Ãʸ¦
»Ì¾Æ³½ÈÄ ¿À´ÃÀÇ ÃÊ¿Í ºñ±³ÇÑ´Ù.
> strncpy(days,dir_info->d_name,11);
> pp = strtok(days,sep);
> i =0;
> while( pp != NULL){
> if(i == 0)year = pp;
> if(i == 1)month = pp;
> if(i == 2)day = pp;
> pp = strtok(NULL,sep);
> i++;
> }
> // ³¯Â¥ Çü½Ä¿¡ ¸ÂÁö ¾Ê´Â Æú´õ¸íÀÌ ³ª¿À¸é ´ÙÀ½ Æú´õÈ®ÀÎÀ¸·Î
³Ñ¾î°£´Ù.
> if(atoi(year) == 0 || atoi(month) == 0 || atoi(day) ==
0){
> printf("¹é¾÷Çü½Ä¿¡
¸ÂÁö¾Ê´Â Æú´õ¸í [%s] ÀÔ´Ï´Ù. ¹«½ÃÇÕ´Ï´Ù.\n",dir_info-
>>d_name);
>
printf("-----------------------------------------------------\n");
> continue;
> }
>
> printf("%02d-%02d-%02d ÀÏÀÚÀÇ Æú´õ°¡
Á¸ÀçÇÕ´Ï´Ù\n",atoi(year),atoi(month),atoi
>(day));
> // µð·ºÅ丮ÀÇ ³¯Â¥¸¦ ÃÊ·Î º¯È¯ÇÏ¿© ÀúÀåµÊ.
> pastday =
SFmktime(0,0,0,atoi(month),atoi(day),atoi(year));
> expire_second = 86400 * EXPIRE_DAY;
>
> //printf("%d - %d = %d\n",today_second, pastday,
today_second-pastday);
> if((today_second - pastday) > expire_second){
>
> printf("»èÁ¦´ë»óÆú´õ:[%s]
%dÀÏ °æ°ú\n",dir_info->d_name,
>(today_second-pastday)/86400);
> //»èÁ¦ÀÛ¾÷À» ÇÑ´Ù.
>
sprintf(remove_dirname,"%s/%s",BACKUP_DIR,dir_info->d_name);
> printf(" %s ¸¦
»èÁ¦ÇÕ´Ï´Ù...\n",remove_dirname);
> if(rmdir(remove_dirname)){
> printf("»èÁ¦½ÇÆÐ!
¿¡·¯¸Þ¼¼Áö¸¦ È®ÀÎÇÏ¿© ÁֽʽÿÀ\n");
>
printf("-----------------------------------------------------
>\n");
> exit();
> }
>
printf("-----------------------------------------------------\n");
>
> }// end if
> }
> closedir(directory);
>
> // ºÒ·¯¿Â µð·ºÅ丮¸íÀ» ÇÑÁÙ¾¿ ÀúÀåÇÑ ÈÄ ³âµµ¿Í ¿ù ÀÏ·Î ³ª´©¾î
ÀúÀåÇÑ´Ù.
>
sprintf(create_dirname,"%s/%02d-%02d-%02d",BACKUP_DIR,today->tm_year+1900,
today-
>>tm_mon+1,today->tm_mday);
> printf("Æú´õ %s ¸¦ »ý¼ºÇÕ´Ï´Ù..\n",create_dirname);
> if(mkdir(create_dirname,0700)){
> printf("»ý¼º½ÇÆÐ!
¿¡·¯¸Þ¼¼Áö¸¦ È®ÀÎÇÏ¿©ÁֽʽÿÀ\n");
> exit();
> }
> //¹é¾÷Æú´õ ¸í·É ÀúÀå
>
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/usr.local.tar.gz /usr/local/
>>> /var/log/backup.log 2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today-
>>tm_mon+1,today->tm_mday);
> printf("%s\n",cmds);
> system(cmds);
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/etc.tar.gz /etc >>
/var/log/backup.log
>2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today->tm_mon+1,today-
>>tm_mday);
> printf("%s\n",cmds);
> system(cmds);
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/var.tar.gz /var >>
/var/log/backup.log
>2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today->tm_mon+1,today-
>>tm_mday);
> printf("%s\n",cmds);
> system(cmds);
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/db.tar.gz /db >>
/var/log/backup.log
>2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today->tm_mon+1,today-
>>tm_mday);
> printf("%s\n",cmds);
> system(cmds);
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/sys.tar.gz /sys >>
/var/log/backup.log
>2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today->tm_mon+1,today-
>>tm_mday);
> printf("%s\n",cmds);
> system(cmds);
>
> //home Æú´õÀÇ ¸ñ·ÏÀ» ºÒ·¯¿Í ÀúÀåÇÑ´Ù.
> directory = opendir(HOME_DIR);
>
> //¹è¿ÀÌ Á¾·áµÉ¶§±îÁö ·çÇÁ¸¦ µ¹¸°´Ù. µð·ºÅ丮¸íÀ» dir_info ±¸Á¶Ã¼¿¡
ÀúÀåÇÑ´Ù.
>
sprintf(create_dirname,"%s/%02d-%02d-%02d/home",BACKUP_DIR,today-
>>tm_year+1900,today->tm_mon+1,today->tm_mday);
> if(mkdir(create_dirname,0700)){
> printf("»ý¼º½ÇÆÐ!
¿¡·¯¸Þ¼¼Áö¸¦ È®ÀÎÇÏ¿©ÁֽʽÿÀ\n");
> exit();
> }
> while((dir_info = readdir(directory)) != NULL){
> // ¸¸¾à µð·ºÅ丮 À̸§ÀÌ . or .. or logs ¶ó¸é ³Ñ¾î°£´Ù.
> if(strcmp(".",dir_info->d_name) == 0 ||
strcmp("..",dir_info->d_name) == 0 || strcmp
>("logs",dir_info->d_name) == 0){
> continue;
> }
> sprintf(cmds,"tar cvfpz %s/%02d-%02d-%02d/home/%s.tar.gz %s/%s
>>> /var/log/backup.log 2>>
/var/log/backup.err.log",BACKUP_DIR,today->tm_year+1900,today-
>>tm_mon+1,today->tm_mday,dir_info->d_name,HOME_DIR,dir_info->d_name);
> printf("%s\n",cmds);
> system(cmds);
> }//end of while
>
> sprintf(cmds,"chmod -R 0600
%s/%02d-%02d-%02d",BACKUP_DIR,today-
>>tm_year+1900,today->tm_mon+1,today->tm_mday);
> system(cmds);
> system("echo \"¹é¾÷¿Ï·á\"
>> /var/log/backup.log");
>}
========================================
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