ViewVC Help

View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing

root/repos/CCSAdmin/turnin.c

Comparing:
CCSAdmin/adduser.c (file contents), Revision 584 by douglas, 2005-11-22T18:14:57-08:00 vs.
CCSAdmin/turnin.c (file contents), Revision 656 by douglas, 2006-01-26T01:50:27-08:00

#	Line 2 | Line 2
2		//
3		// CCS Computer Science
4		//
5	<	// Add User
6	<
7	<	#define _BSD_SOURCE
8	<
9	<	#include <errno.h>
10	<	#include <sys/resource.h>
11	<	#include <sys/time.h>
12	<	#include <sys/types.h>
13	<	#include <sys/stat.h>
14	<	#include <fcntl.h>
15	<
16	<	#ifdef _Zweihander_
17	<	#include <fts.h>
18	<	#endif
5	>	// Turn In Stub
6
7		#include "common.h"
8
9		int main(int argc, char *argv[])
10		{
24	–	if (argc < 1)
25	–	return 1;
26	–
27	–	umask(S_IWGRP | S_IWOTH);
28	–
11		int exception;
12		jmp_buf environment;
13
#	Line 43 | Line 25 | int main(int argc, char *argv[])
25		return 1;
26		}
27
28	<	#ifdef _Zweihander_
47	<	regex_t user_, name_;
48	<
49	<	regcheck(regcomp(&user_, "^-user=([a-z0-9]{1,16})$", REG_EXTENDED), &user_, environment);
50	<	regcheck(regcomp(&name_, "^-name=([^:]+)$", REG_EXTENDED), &name_, environment);
51	<
52	<	char user[MAXLOGNAME] = "", *name = NULL;
53	<
54	<	for (int index = 1; index != argc; ++index)
55	<	{
56	<	regmatch_t match[2];
57	<
58	<	if (!regcheck(regexec(&user_, argv[index], 2, match, 0), &user_, environment))
59	<	strlcpy(user, argv[index] + match[1].rm_so, match[1].rm_eo - match[1].rm_so + 1);
60	<	else if (!regcheck(regexec(&name_, argv[index], 2, match, 0), &name_, environment))
61	<	name = argv[index] + match[1].rm_so;
62	<	else
63	<	{
64	<	printf("Usage: %s [-user=user] [-name=name]\n", argv[0]);
65	<
66	<	return 1;
67	<	}
68	<	}
69	<
70	<	regfree(&user_);
71	<	regfree(&name_);
72	<	authenticate(argv[0], environment);
73	<
74	<	if (!strlen(user))
75	<	{
76	<	regcheck(regcomp(&user_, "^[a-z0-9]{1,16}$", REG_EXTENDED), &user_, environment);
77	<
78	<	do
79	<	{
80	<	printf("User Name: ");
81	<
82	<	size_t size;
83	<	char *user_ = fcheck(fgetln(stdin, &size), stdin, environment);
84	<
85	<	strlcpy(user, user_, size < sizeof (user) ? size : sizeof (user));
86	<	}
87	<	while (regcheck(regexec(&user_, user, 0, NULL, 0), &user_, environment));
88	<
89	<	regfree(&user_);
90	<	}
91	<
92	<	if (!name)
93	<	{
94	<	regcheck(regcomp(&name_, "^[^:]+$", REG_EXTENDED), &name_, environment);
95	<	get("Full Name", &name_, &name, environment);
96	<	regfree(&name_);
97	<	}
98	<
99	<	char password[_PASSWORD_LEN];
100	<
101	<	getpassword(password, environment);
102	<	check(setuid(geteuid()), environment);
103	<
104	<	char slappasswd[] = "/tmp/slappasswd.XXXXXX";
105	<
106	<	putpassword(password, slappasswd, environment);
107	<
108	<	int pipe_[2];
109	<
110	<	check(pipe(pipe_), environment);
111	<
112	<	pid_t bash;
113	<
114	<	if (!(bash = check(fork(), environment)))
115	<	{
116	<	check(dup2(pipe_[0], 0), environment);
117	<	check(close(pipe_[1]), environment);
118	<	check(setenv("USER", user, 1), environment);
119	<	check(setenv("NAME", name, 1), environment);
120	<	check(setenv("FILE", slappasswd, 1), environment);
121	<	setshells(shells + bash, environment);
122	<	check(execl("/ccs/bin/adduser.sh", argv[0], NULL), environment);
123	<	}
124	<
125	<	check(close(pipe_[0]), environment);
126	<
127	<	FILE *smbpasswd = fdopen(pipe_[1], "w");
128	<
129	<	if (fprintf(smbpasswd, "%s\n%s\n", password, password) < 0)
130	<	longjmp(environment, 1);
131	<
132	<	if (fclose(smbpasswd))
133	<	longjmp(environment, 1);
134	<
135	<	int status;
136	<
137	<	check(waitpid(bash, &status, 0), environment);
138	<	check(unlink(slappasswd), environment);
139	<
140	<	if (WEXITSTATUS(status))
141	<	return 1;
142	<
143	<	struct passwd *entry = getpwnam(user);
144	<
145	<	if (!entry)
146	<	longjmp(environment, 1);
147	<
148	<	check(mkdir(entry->pw_dir, S_IRWXU | S_IRWXG | S_IRWXO), environment);
149	<	check(chown(entry->pw_dir, entry->pw_uid, entry->pw_gid), environment);
150	<	check(chdir(entry->pw_dir), environment);
151	<
152	<	FTS *traversal = fts_open((char *[]){ "/usr/share/skel", "/ccs/skel", NULL }, FTS_LOGICAL | FTS_NOCHDIR, NULL);
153	<
154	<	if (!traversal)
155	<	longjmp(environment, 1);
156	<
157	<	FTSENT *entity;
158	<
159	<	while ((entity = fts_read(traversal)))
160	<	switch (entity->fts_info)
161	<	{
162	<	case FTS_D:
163	<	if (entity->fts_level != FTS_ROOTLEVEL)
164	<	{
165	<	check(mkdir(entity->fts_name, entity->fts_statp->st_mode), environment);
166	<	check(chown(entity->fts_name, entry->pw_uid, entry->pw_gid), environment);
167	<	check(chdir(entity->fts_name), environment);
168	<	}
169	<
170	<	break;
171	<	case FTS_DP:
172	<	if (entity->fts_level != FTS_ROOTLEVEL)
173	<	check(chdir(".."), environment);
174	<
175	<	break;
176	<	case FTS_F:
177	<	{
178	<	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);
179	<	char buffer[entity->fts_statp->st_blksize];
180	<	size_t size;
181	<
182	<	while ((size = check(read(input, buffer, sizeof (buffer)), environment)))
183	<	check(write(output, buffer, size), environment);
184	<
185	<	check(fchown(output, entry->pw_uid, entry->pw_gid), environment);
186	<	check(close(output), environment);
187	<	check(close(input), environment);
188	<	}
189	<
190	<	break;
191	<	}
192	<
193	<	if (errno)
194	<	longjmp(environment, 1);
195	<
196	<	if (fts_close(traversal))
197	<	longjmp(environment, 1);
198	<	#else
199	<	longjmp(environment, (int)"Log in to zweihander.ccs.ucsb.edu to add users");
200	<	#endif
28	>	longjmp(environment, (int)"Um, so, yeah, I'm guessing you want to be logged into a CSIL box.");
29
30		return 0;
31		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines