61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
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/*
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This software is licensed under GPL-3, as shown in the file LICENSE
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Author: Linux Gruppe IRB
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Copyright: Linux Gruppe IRB, 2024
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*/
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#include <sys/stat.h>
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#include <dirent.h>
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#include <limits.h>
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#include <string.h>
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#include <errno.h>
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#include <stdio.h>
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#include "authorized_eid.h"
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static int auth_dir(struct passwd *passwd, char path[PATH_MAX], const char *mode)
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{
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if (!passwd || !passwd->pw_dir)
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return 0;
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snprintf(path, PATH_MAX, "%s/.eid",
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passwd->pw_dir);
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if (mode[0] != 'r')
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{
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DIR *dir = opendir(path);
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if (dir)
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{
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/* Directory exists. */
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closedir(dir);
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}
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else if (errno == ENOENT)
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{
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if (mkdir(path, 0700) != 0)
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{
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printf("mkdir() failed: %s\n", strerror(errno));
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return 0;
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}
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}
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}
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return 1;
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}
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static int auth_file(struct passwd *passwd, char path[PATH_MAX], const char *mode)
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{
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if (auth_dir(passwd, path, mode) != 1)
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return 0;
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strcat(path, "/authorized_eid");
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return 1;
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}
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FILE *auth_fopen(struct passwd *passwd, const char *mode)
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{
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char path[PATH_MAX];
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if (auth_file(passwd, path, mode) != 1)
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return NULL;
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return fopen(path, mode);
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}
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