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Extract the exact ip from the client_ip

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BLINDAUER Emmanuel 2017-11-12 11:27:52 +01:00 committed by Koichiro IWAO
parent 8fc741ea45
commit c61ea8df9e
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GPG Key ID: 9F72CDBC01BF10EB
1 changed files with 21 additions and 1 deletions
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22
sesman/sessionrecord.c
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@ -50,6 +50,26 @@ add_xtmp_entry(int pid, const char *line, const char *user, const char *rhostnam
{
_utmp ut;
struct timeval tv;
char *hostname = 0;
/* The string rhostname containt too much data, only get the ip
* the format is
* "2001:123:12:1234:1234:1234:1234:1234:53194 - socket: 12"
* "::ffff:99.99.9.999:51165 - socket: 12"
* "99.99.9.999:51165 - socket: 12"
*
* So the IP is the string up the two last colons
*/
int i = strlen(rhostname) - 1;
while ((i>0) && (rhostname[i] != ':')) {
i--;
}
i--;
while ((i>0) && (rhostname[i] != ':')) {
i--;
}
hostname = strndup(rhostname, i);
memset(&ut, 0, sizeof(ut));
@ -60,7 +80,7 @@ add_xtmp_entry(int pid, const char *line, const char *user, const char *rhostnam
ut.ut_tv.tv_usec = tv.tv_usec;
strncpy(ut.ut_line, line , sizeof(ut.ut_line));
strncpy(ut.ut_user, user , sizeof(ut.ut_user));
strncpy(ut.ut_host, rhostname, sizeof(ut.ut_host));
strncpy(ut.ut_host, hostname, sizeof(ut.ut_host));
/* utmp */
setutxent();