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Comparing:
CCSAdmin/adduser.c (file contents), Revision 567 by douglas, 2005-08-28T22:42:38-07:00 vs.
CCSAdmin/turnin.c (file contents), Revision 806 by douglas, 2006-06-28T19:53:21-07:00

#	Line 2 | Line 2
2		//
3		// CCS Computer Science
4		//
5	<	// Add User
6	<
7	<	#include <errno.h>
8	<	#include <sys/resource.h>
9	<	#include <sys/time.h>
10	<	#include <sys/types.h>
11	<	#include <sys/stat.h>
12	<	#include <fcntl.h>
13	<	#include <fts.h>
5	>	// Turn In Stub
6
7		#include "common.h"
8
9		int main(int argc, char *argv[])
10		{
19	–	if (argc < 1)
20	–	return 1;
21	–
22	–	umask(S_IWGRP | S_IWOTH);
23	–
11		int exception;
12		jmp_buf environment;
13
#	Line 38 | Line 25 | int main(int argc, char *argv[])
25		return 1;
26		}
27
28	<	#ifdef _Zweihander_
42	<	regex_t user_, name_;
43	<
44	<	regcheck(regcomp(&user_, "^-user=([a-z0-9]{1,16})$", REG_EXTENDED), &user_, environment);
45	<	regcheck(regcomp(&name_, "^-name=([^:]+)$", REG_EXTENDED), &name_, environment);
46	<
47	<	char user[MAXLOGNAME] = "", *name = NULL;
48	<
49	<	for (int index = 1; index != argc; ++index)
50	<	{
51	<	regmatch_t match[2];
52	<
53	<	if (!regcheck(regexec(&user_, argv[index], 2, match, 0), &user_, environment))
54	<	strlcpy(user, argv[index] + match[1].rm_so, match[1].rm_eo - match[1].rm_so + 1);
55	<	else if (!regcheck(regexec(&name_, argv[index], 2, match, 0), &name_, environment))
56	<	name = argv[index] + match[1].rm_so;
57	<	else
58	<	{
59	<	printf("Usage: %s [-user=user] [-name=name]\n", argv[0]);
60	<
61	<	return 1;
62	<	}
63	<	}
64	<
65	<	regfree(&user_);
66	<	regfree(&name_);
67	<	authenticate(argv[0], environment);
68	<
69	<	if (!strlen(user))
70	<	{
71	<	regcheck(regcomp(&user_, "^[a-z0-9]{1,16}$", REG_EXTENDED), &user_, environment);
72	<
73	<	do
74	<	{
75	<	printf("User Name: ");
76	<
77	<	size_t size;
78	<	char *user_ = fcheck(fgetln(stdin, &size), stdin, environment);
79	<
80	<	strlcpy(user, user_, size < sizeof (user) ? size : sizeof (user));
81	<	}
82	<	while (regcheck(regexec(&user_, user, 0, NULL, 0), &user_, environment));
83	<
84	<	regfree(&user_);
85	<	}
86	<
87	<	if (!name)
88	<	{
89	<	regcheck(regcomp(&name_, "^[^:]+$", REG_EXTENDED), &name_, environment);
90	<	get("Full Name", &name_, &name, environment);
91	<	regfree(&name_);
92	<	}
93	<
94	<	char password[_PASSWORD_LEN];
95	<
96	<	getpassword(password, environment);
97	<	check(setuid(geteuid()), environment);
98	<
99	<	char slappasswd[] = "/tmp/slappasswd.XXXXXX";
100	<
101	<	putpassword(password, slappasswd, environment);
102	<
103	<	int pipe_[2];
104	<
105	<	check(pipe(pipe_), environment);
106	<
107	<	pid_t bash;
108	<
109	<	if (!(bash = check(fork(), environment)))
110	<	{
111	<	check(dup2(pipe_[0], 0), environment);
112	<	check(close(pipe_[1]), environment);
113	<	check(setenv("USER", user, 1), environment);
114	<	check(setenv("NAME", name, 1), environment);
115	<	check(setenv("FILE", slappasswd, 1), environment);
116	<	check(execl("/ccs/bin/adduser.sh", argv[0], NULL), environment);
117	<	}
118	<
119	<	check(close(pipe_[0]), environment);
120	<
121	<	FILE *smbpasswd = fdopen(pipe_[1], "w");
122	<
123	<	if (fprintf(smbpasswd, "%s\n%s\n", password, password) < 0)
124	<	longjmp(environment, 1);
125	<
126	<	if (fclose(smbpasswd))
127	<	longjmp(environment, 1);
128	<
129	<	int status;
130	<
131	<	check(waitpid(bash, &status, 0), environment);
132	<	check(unlink(slappasswd), environment);
133	<
134	<	if (WEXITSTATUS(status))
135	<	return 1;
136	<
137	<	struct passwd *entry = getpwnam(user);
138	<
139	<	if (!entry)
140	<	longjmp(environment, 1);
141	<
142	<	check(mkdir(entry->pw_dir, S_IRWXU | S_IRWXG | S_IRWXO), environment);
143	<	check(chown(entry->pw_dir, entry->pw_uid, entry->pw_gid), environment);
144	<	check(chdir(entry->pw_dir), environment);
145	<
146	<	FTS *traversal = fts_open((char *[]){ "/usr/share/skel", NULL }, FTS_LOGICAL | FTS_NOCHDIR, NULL);
147	<
148	<	if (!traversal)
149	<	longjmp(environment, 1);
150	<
151	<	FTSENT *entity;
152	<
153	<	while ((entity = fts_read(traversal)))
154	<	switch (entity->fts_info)
155	<	{
156	<	case FTS_D:
157	<	if (entity->fts_level != FTS_ROOTLEVEL)
158	<	{
159	<	check(mkdir(entity->fts_name, entity->fts_statp->st_mode), environment);
160	<	check(chown(entity->fts_name, entry->pw_uid, entry->pw_gid), environment);
161	<	check(chdir(entity->fts_name), environment);
162	<	}
163	<
164	<	break;
165	<	case FTS_DP:
166	<	if (entity->fts_level != FTS_ROOTLEVEL)
167	<	check(chdir(".."), environment);
168	<
169	<	break;
170	<	case FTS_F:
171	<	{
172	<	int output = check(open(strncmp(entity->fts_name, "dot", 3) ? entity->fts_name : entity->fts_name + 3, O_WRONLY | O_CREAT | O_EXCL, entity->fts_statp->st_mode), environment), input = check(open(entity->fts_accpath, O_RDONLY), environment);
173	<	char buffer[entity->fts_statp->st_blksize];
174	<	size_t size;
175	<
176	<	while ((size = check(read(input, buffer, sizeof (buffer)), environment)))
177	<	check(write(output, buffer, size), environment);
178	<
179	<	check(fchown(output, entry->pw_uid, entry->pw_gid), environment);
180	<	check(close(output), environment);
181	<	check(close(input), environment);
182	<	}
183	<
184	<	break;
185	<	}
186	<
187	<	if (errno)
188	<	longjmp(environment, 1);
189	<
190	<	if (fts_close(traversal))
191	<	longjmp(environment, 1);
192	<	#else
193	<	longjmp(environment, (int)"Log in to zweihander.ccs.ucsb.edu to add users");
194	<	#endif
28	>	longjmp(environment, (int)"Um, so, yeah, I'm guessing you want to be logged in to a CSIL box.");
29
30		return 0;
31		}

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