damage/shperm
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user more functions

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damage 2024-08-25 20:43:10 +02:00
parent 7cbf60faeb
commit 13613cab4d
1 changed files with 33 additions and 24 deletions
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57
shperm.c
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@ -25,9 +25,7 @@ int linesNo = 0;
int maxUsername = 0;
int maxGroupname = 0;
void addLine(char* path, int permissions, int uid, int gid) {
linesNo++;
void mallocLines() {
// add one line to the lines array
if (linesNo == 1) {
lines = malloc(sizeof(*lines));
@ -37,27 +35,9 @@ void addLine(char* path, int permissions, int uid, int gid) {
exit(4);
}
}
}
// calculate line (index) we are at, which is 0-based (thus -1)
int idx = linesNo - 1;
// print user
struct passwd* user = getpwuid(uid);
lines[idx].username = malloc(strlen(user->pw_name) + 1);
strcpy(lines[idx].username, user->pw_name);
if (maxUsername < strlen(lines[idx].username)) {
maxUsername = strlen(lines[idx].username);
}
// print group
struct group* group = getgrgid(gid);
lines[idx].groupname = malloc(strlen(group->gr_name) + 1);
strcpy(lines[idx].groupname, group->gr_name);
if (maxGroupname < strlen(lines[idx].groupname)) {
maxGroupname = strlen(lines[idx].groupname);
}
// print permissions
void addPermission2Line(int idx, int permissions) {
strcpy(lines[idx].permissionStr[0], "---");
strcpy(lines[idx].permissionStr[1], "---");
strcpy(lines[idx].permissionStr[2], "---");
@ -88,8 +68,37 @@ void addLine(char* path, int permissions, int uid, int gid) {
lines[idx].permissionStr[permissionUGO][permissionRWX] = 'x';
}
}
}
// print current path
void addLine(char* path, int permissions, int uid, int gid) {
linesNo++;
// allocate memory for another line
mallocLines();
// calculate line (index) we are at, which is 0-based (thus -1)
int idx = linesNo - 1;
// add user
struct passwd* user = getpwuid(uid);
lines[idx].username = malloc(strlen(user->pw_name) + 1);
strcpy(lines[idx].username, user->pw_name);
if (maxUsername < strlen(lines[idx].username)) {
maxUsername = strlen(lines[idx].username);
}
// add group
struct group* group = getgrgid(gid);
lines[idx].groupname = malloc(strlen(group->gr_name) + 1);
strcpy(lines[idx].groupname, group->gr_name);
if (maxGroupname < strlen(lines[idx].groupname)) {
maxGroupname = strlen(lines[idx].groupname);
}
// calculate and add permission
addPermission2Line(idx, permissions);
// add current path
lines[idx].path = malloc(strlen(path) + 1);
strcpy(lines[idx].path, path);
}