1 #include "buffer.h"
2 #include "strerr.h"
3 #include "error.h"
4 #include "open.h"
5 #include "readwrite.h"
6 #include "exit.h"
7 
8 extern void hier();
9 
10 #define FATAL "install: fatal: "
11 
12 int fdsourcedir = -1;
13 
h(home,uid,gid,mode)14 void h(home,uid,gid,mode)
15 char *home;
16 int uid;
17 int gid;
18 int mode;
19 {
20   if (mkdir(home,0700) == -1)
21     if (errno != error_exist)
22       strerr_die4sys(111,FATAL,"unable to mkdir ",home,": ");
23   if (chown(home,uid,gid) == -1)
24     strerr_die4sys(111,FATAL,"unable to chown ",home,": ");
25   if (chmod(home,mode) == -1)
26     strerr_die4sys(111,FATAL,"unable to chmod ",home,": ");
27 }
28 
d(home,subdir,uid,gid,mode)29 void d(home,subdir,uid,gid,mode)
30 char *home;
31 char *subdir;
32 int uid;
33 int gid;
34 int mode;
35 {
36   if (chdir(home) == -1)
37     strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
38   if (mkdir(subdir,0700) == -1)
39     if (errno != error_exist)
40       strerr_die6sys(111,FATAL,"unable to mkdir ",home,"/",subdir,": ");
41   if (chown(subdir,uid,gid) == -1)
42     strerr_die6sys(111,FATAL,"unable to chown ",home,"/",subdir,": ");
43   if (chmod(subdir,mode) == -1)
44     strerr_die6sys(111,FATAL,"unable to chmod ",home,"/",subdir,": ");
45 }
46 
47 char inbuf[BUFFER_INSIZE];
48 char outbuf[BUFFER_OUTSIZE];
49 buffer ssin;
50 buffer ssout;
51 
c(home,subdir,file,uid,gid,mode)52 void c(home,subdir,file,uid,gid,mode)
53 char *home;
54 char *subdir;
55 char *file;
56 int uid;
57 int gid;
58 int mode;
59 {
60   int fdin;
61   int fdout;
62 
63   if (fchdir(fdsourcedir) == -1)
64     strerr_die2sys(111,FATAL,"unable to switch back to source directory: ");
65 
66   fdin = open_read(file);
67   if (fdin == -1)
68     strerr_die4sys(111,FATAL,"unable to read ",file,": ");
69   buffer_init(&ssin,read,fdin,inbuf,sizeof inbuf);
70 
71   if (chdir(home) == -1)
72     strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
73   if (chdir(subdir) == -1)
74     strerr_die6sys(111,FATAL,"unable to switch to ",home,"/",subdir,": ");
75 
76   fdout = open_trunc(file);
77   if (fdout == -1)
78     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
79   buffer_init(&ssout,write,fdout,outbuf,sizeof outbuf);
80 
81   switch(buffer_copy(&ssout,&ssin)) {
82     case -2:
83       strerr_die4sys(111,FATAL,"unable to read ",file,": ");
84     case -3:
85       strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
86   }
87 
88   close(fdin);
89   if (buffer_flush(&ssout) == -1)
90     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
91   if (fsync(fdout) == -1)
92     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
93   if (close(fdout) == -1) /* NFS silliness */
94     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
95 
96   if (chown(file,uid,gid) == -1)
97     strerr_die6sys(111,FATAL,"unable to chown .../",subdir,"/",file,": ");
98   if (chmod(file,mode) == -1)
99     strerr_die6sys(111,FATAL,"unable to chmod .../",subdir,"/",file,": ");
100 }
101 
z(home,subdir,file,len,uid,gid,mode)102 void z(home,subdir,file,len,uid,gid,mode)
103 char *home;
104 char *subdir;
105 char *file;
106 int len;
107 int uid;
108 int gid;
109 int mode;
110 {
111   int fdout;
112 
113   if (chdir(home) == -1)
114     strerr_die4sys(111,FATAL,"unable to switch to ",home,": ");
115   if (chdir(subdir) == -1)
116     strerr_die6sys(111,FATAL,"unable to switch to ",home,"/",subdir,": ");
117 
118   fdout = open_trunc(file);
119   if (fdout == -1)
120     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
121   buffer_init(&ssout,write,fdout,outbuf,sizeof outbuf);
122 
123   while (len-- > 0)
124     if (buffer_put(&ssout,"",1) == -1)
125       strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
126 
127   if (buffer_flush(&ssout) == -1)
128     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
129   if (fsync(fdout) == -1)
130     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
131   if (close(fdout) == -1) /* NFS silliness */
132     strerr_die6sys(111,FATAL,"unable to write .../",subdir,"/",file,": ");
133 
134   if (chown(file,uid,gid) == -1)
135     strerr_die6sys(111,FATAL,"unable to chown .../",subdir,"/",file,": ");
136   if (chmod(file,mode) == -1)
137     strerr_die6sys(111,FATAL,"unable to chmod .../",subdir,"/",file,": ");
138 }
139 
main()140 main()
141 {
142   fdsourcedir = open_read(".");
143   if (fdsourcedir == -1)
144     strerr_die2sys(111,FATAL,"unable to open current directory: ");
145 
146   umask(077);
147   hier();
148   _exit(0);
149 }
150