Created
June 23, 2014 12:12
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#include <stdio.h> | |
#include <string.h> | |
#include <stdlib.h> | |
#define M (500 + 1) | |
struct _logdata { | |
char *ip; | |
char *date; | |
char *filename; | |
}; | |
typedef struct _logdata logdata; | |
#define START 0 | |
#define END 1 | |
int logcmp(const void *a, const void *b) | |
{ | |
return strcmp(((logdata *)a)->date, ((logdata *)b)->date); | |
} | |
int main() | |
{ | |
char input1[M]; | |
char input2[M]; | |
char ip_start[16]; | |
char ip_end[16]; | |
char octet3[2][4]; | |
char octet4[2][4]; | |
char *octet[4]; | |
int int_ip_s[4]; | |
int int_ip_e[4]; | |
int int_ip_o[4]; | |
int i; | |
int j; | |
int N; | |
logdata *logs; | |
logdata log; | |
char *token; | |
/* オクテットの分析 */ | |
// オクテットを分解する | |
fgets(input1, M, stdin); | |
octet[0] = strtok(input1, ".\n"); | |
octet[1] = strtok(NULL, ".\n"); | |
octet[2] = strtok(NULL, ".\n"); | |
octet[3] = strtok(NULL, ".\n"); | |
// 3番目のオクテットを処理 | |
if(strcmp(octet[2], "*") == 0) { | |
strcpy(octet3[START], "0"); | |
strcpy(octet3[END], "255"); | |
} else if(strchr(octet[2], '[') != NULL) { | |
sscanf(octet[2], "[%[0-9]-%[0-9]]", octet3[START], octet3[END]); | |
} else { | |
strcpy(octet3[START], octet[2]); | |
strcpy(octet3[END], octet[2]); | |
} | |
// 4番目のオクテットを処理 | |
if(strcmp(octet[3], "*") == 0) { | |
strcpy(octet4[START], "0"); | |
strcpy(octet4[END], "255"); | |
} else if(strchr(octet[3], '[') != NULL) { | |
sscanf(octet[3], "[%[0-9]-%[0-9]]", octet4[START], octet4[END]); | |
} else { | |
strcpy(octet4[START], octet[3]); | |
strcpy(octet4[END], octet[3]); | |
} | |
sprintf(ip_start, "%s.%s.%s.%s", octet[0], octet[1], octet3[START], octet4[START]); | |
sprintf(ip_end, "%s.%s.%s.%s", octet[0], octet[1], octet3[END], octet4[END]); | |
sscanf(ip_start, "%d.%d.%d.%d", &int_ip_s[0], &int_ip_s[1], &int_ip_s[2], &int_ip_s[3]); | |
sscanf(ip_end, "%d.%d.%d.%d", &int_ip_e[0], &int_ip_e[1], &int_ip_e[2], &int_ip_e[3]); | |
fgets(input2, M, stdin); | |
sscanf(input2, "%d", &N); | |
logs = (logdata *)malloc(sizeof(logdata) * N); | |
j = 0; | |
for(i = 0; i < N; i++) { | |
fgets(input2, M, stdin); | |
token = strtok(input2, " "); | |
log.ip = (char *)malloc((sizeof(char) * strlen(token)) + 1); | |
strcpy(log.ip, token); | |
token = strtok(NULL, " "); // identユーザー名 | |
token = strtok(NULL, " "); // 認証ユーザー名 | |
token = strtok(NULL, " "); // [アクセス日時] | |
log.date = (char *)malloc((sizeof(char) * strlen(token)) - 2 + 1); | |
strncpy(log.date, token+1, strlen(token)-1); | |
token = strtok(NULL, " "); // | |
token = strtok(NULL, " "); // "リクエストヘッダ | |
token = strtok(NULL, " "); // ファイル名 | |
log.filename = (char *)malloc((sizeof(char) * strlen(token)) + 1); | |
strncpy(log.filename, token, strlen(token)); | |
sscanf(log.ip, "%d.%d.%d.%d", &int_ip_o[0], &int_ip_o[1], &int_ip_o[2], &int_ip_o[3]); | |
if(((int_ip_s[0] <= int_ip_o[0]) && (int_ip_o[0] <= int_ip_e[0])) && | |
((int_ip_s[1] <= int_ip_o[1]) && (int_ip_o[1] <= int_ip_e[1])) && | |
((int_ip_s[2] <= int_ip_o[2]) && (int_ip_o[2] <= int_ip_e[2])) && | |
((int_ip_s[3] <= int_ip_o[3]) && (int_ip_o[3] <= int_ip_e[3]))) { | |
logs[j] = log; | |
j++; | |
} | |
} | |
qsort(logs, j, sizeof(logdata), logcmp); | |
for(i = 0; i < j; i++) { | |
printf("%s %s %s\n", logs[i].ip, logs[i].date, logs[i].filename); | |
} | |
return 0; | |
} |
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