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Location: DistRen/src/server/slavefuncs.c
a46f1313e103
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renamed/reindented registeruser()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /*
Copyright 2009 Nathan Phillip Brink, Ethan Zonca, Matthew Orlando
This file is a part of DistRen.
DistRen is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
DistRen is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with DistRen. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Registration on server. Needs attention. Prevent account spamming.
* distrenslave -c username email@example.com
*/
#include <stdio.h>
#include <string.h>
void ssh_keygen(){
// Give me some args!
}
void register_user(char *username, char *email)
{
/*
* Logs into sandboxed user on zserver2 and registers a user. Should eventually generate a key on the server and return it to the user.
* All created user accounts should be sandboxed accordingly, requiring a different skel, and the default shell to be rbash. Also,
* a custom path defined in the .bash_profile of the skel is needed.
*/
char *keyname; // Url to the key
char buf[10];
struct execio *testrem;
char *execargv[] =
{
"ssh",
"distren_setup@protofusion.org",
"-i",
"setup.rsa", // default distributed key, account can only create users.
"-p",
"23",
"sudo /usr/sbin/useradd",
"-M",
"-c",
email,
"-d",
"/home/distren",
"--gid",
"541", // Add in shellscript to generate ssh key and set keyname
username,
(char *)NULL
};
size_t readlen;
fprintf(stderr, "Opening stream:\n", execio_open(&testrem, "ssh", execargv));
buf[9] = '\0'; // null-terminating the array...
while(!execio_read(testrem, buf, 9, &readlen)) // What's with the readlen stuff?
{
if(readlen > 9) {
fprintf(stderr, "!!!! Something is terribly wrong!\n");
}
buf[readlen] = '\0'; // Null-terminating the end of it again based on how large the data is?
fprintf(stderr, "read \"%s\"\n", buf);
}
execio_close(testrem);
ssh_keygen(); // Should return relative path to keyfile, or jus the keyname
/* TODO: Scan distrenslave.conf for !username and !key and replace them with "keyname" and the "username" */
}
void loginuser(char *username){
// Logs into sandboxed user on zserver2 as a client, currently does nothing
char *userhost = strcat(username, "@protofusion.org"); // Throws @protofusion.org after the username
char buf[10];
struct execio *testrem;
char *execargv[] =
{
"ssh",
userhost, // username and hostname
"-i",
"username.rsa", // Key created from registeruser()
"-p",
"23",
"echo",
"hello", // This should eventually open a non-terminating connection to the server for communication
(char *)NULL
};
size_t readlen;
fprintf(stderr, "Opening stream:\n", execio_open(&testrem, "ssh", execargv));
buf[9] = '\0'; // null-terminating the array...
while(!execio_read(testrem, buf, 9, &readlen)) // What's with the readlen stuff?
{
if(readlen > 9) {
fprintf(stderr, "!!!! Something is terribly wrong!\n");
}
buf[readlen] = '\0'; // Null-terminating the end of it again based on how large the data is?
fprintf(stderr, "read \"%s\"\n", buf);
}
execio_close(testrem);
}
/* Replaces username and key in the slave's conf file, currently pseudo */
void conf_replace(char *username, char *key){
// Doesn't delete anything! :D
/*
mktemp(); // Gets a new file to put data into
fopen('w'); // Open the file we created in write mode
fopen('r'); // Open the conf file in read-only mode
read(); // Read the created file, scanning for and replacing strings, whie
writ(); // writing out to the newly created file
fsync(); // fsync the file we wrote data to
rename(); // rename the old file to the new file
*/
}
/* Executors */
/*
It seems that the client will need to know the job number. fixme.
*/
void exec_blender(struct blendjob* blendjob, char *input, char *output, int frame)
{
char *frame_str;
asprintf(frame,frame_str); // GNU/*nix compatible only, fix before releasing win32, although dll for windows for asprintf exists!
int ret;
char *cmd[] = { "blender", "-b", "-o", output, input, "-f", frame_str, (char *)0 };
ret = execv("/usr/bin/blender", cmd); // This path will be absolute for testing, should be relative to install on production
}
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