pam_misc.h File Reference

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>

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Functions
void	get_login_time (char *curr_time)
int	get_num_lines (FILE *fp)
int	check_or_creat_dir (const char *dir_path, FILE *log_fp)

Function Documentation

check_or_creat_dir()

int check_or_creat_dir	(	const char *	dir_path,
		FILE *	log_fp
	)

Check if the directory exists. If not try to create the directory

Parameters

dir_path	The path to the directory
log_fp	the handle of the log file

Returns

-1: cannot access dir or file is not a directory or directory could not be created
0: created the directory
1: file exists and it is a directory

Definition at line 37 of file pam_misc.c.

get_login_time()

void get_login_time

(

char *

curr_time

)

Set the login time to the given pointer
Format: a b d H:M:S Y
Example: Fri Feb 11 02:59:18 2020

a: locale's abbreviated weekday name (e.g., Sun)
b: locale's abbreviated month name (e.g., Jan)
d: day of month (e.g., 01)
H: hour (00..23)
M: minute (00..59)
S: second (00..60)
Y: year
Credits: man date for the format specifier

Parameters

curr_time

a pointer to store the current time

Returns

nothing

Definition at line 3 of file pam_misc.c.

get_num_lines()

int get_num_lines

(

FILE *

fp

)

Return the number of lines there are in the file

Use Case: Each user will have a list of trusted bluetooth MAC stored in a file. E Each line will contain a trusted bluetooth MAC address. The number of lines in the file will represent the number of trusted devices

Parameters

FILE	*fp: the file handle that contains the user's device

Returns

: the number of lines there are in the file

Definition at line 13 of file pam_misc.c.