diff options
Diffstat (limited to 'mdk-stage1/ppp/scripts/chatchat/chatchat.c')
| -rw-r--r-- | mdk-stage1/ppp/scripts/chatchat/chatchat.c | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/mdk-stage1/ppp/scripts/chatchat/chatchat.c b/mdk-stage1/ppp/scripts/chatchat/chatchat.c deleted file mode 100644 index 4534fb9e3..000000000 --- a/mdk-stage1/ppp/scripts/chatchat/chatchat.c +++ /dev/null @@ -1,409 +0,0 @@ -/* ************************************************************************* -* NAME: chatchat.c -* -* DESCRIPTION: -* -* This program creates a pipe for the chat process to read. The user -* can supply information (like a password) that will be picked up -* by chat and sent just like the regular contents of a chat script. -* -* Usage is: -* -* chatchat <filename> -* -* where <filename> matches the option given in the chat script. -* -* for instance the chat script fragment: -* -* ... -* name: \\dmyname \ -* word: @/var/tmp/p \ -* ... -* ^ -* (note: leave some whitespace after the filename) -* -* expect "name:", reply with a delay followed by "myname" -* expect "word:", reply with the data read from the pipe /var/tmp/p -* -* the matching usage of chatchat would be: -* -* chatchat /var/tmp/p -* -* eg: -* -* $chatchat /var/tmp/p -* ... -* some other process eventually starts: -* chat ... -* chat parses the "@/var/tmp/p" option and opens -* /var/tmp/p -* (chatchat prompts:) -* -* type PIN into SecurID card -* enter resulting passcode: [user inputs something] -* -* chat reads /var/tmp/p & gets what the -* user typed at chatchat's "enter string" prompt -* chat removes the pipe file -* chat sends the user's input as a response in -* place of "@/var/tmp/p" -* -* PROCESS: -* -* gcc -g -o chatchat chatchat.c -* -* -* GLOBALS: none -* -* REFERENCES: -* -* see the man pages and documentation that come with the 'chat' program -* (part of the ppp package). you will need to use the modified chat -* program that accepts the '@' operator. -* -* LIMITATIONS: -* -* REVISION HISTORY: -* -* STR Description Author -* -* 23-Mar-99 initial coding gpk -* 12-May-99 unlink the pipe after closing paulus -* -* TARGET: ANSI C -* This program is in the public domain. -* -* -* ************************************************************************* */ - - - - -#include <sys/time.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> - -/* MAXINPUT - the data typed into chatchat must be fewer */ -/* characters than this. */ - -#define MAXINPUT 80 - - - - - - -/* ************************************************************************* - - - NAME: main - - - USAGE: - - int argc; - char * argv[]; - - main(argc, argv[]); - - returns: int - - DESCRIPTION: - if the pipe file name is given on the command line, - create the pipe, prompt the user and put whatever - is typed into the pipe. - - returns -1 on error - else # characters entered - REFERENCES: - - LIMITATIONS: - - GLOBAL VARIABLES: - - accessed: none - - modified: none - - FUNCTIONS CALLED: - - REVISION HISTORY: - - STR Description of Revision Author - - 25-Mar-99 initial coding gpk - - ************************************************************************* */ - -int main(int argc, char * argv[]) -{ - int retval; - - int create_and_write_pipe(char * pipename); - - if (argc != 2) - { - fprintf(stderr, "usage: %s pipename\n", argv[0]); - retval = -1; - } - else - { - retval = create_and_write_pipe(argv[1]); - } - return (retval); -} - - - - -/* ************************************************************************* - - - NAME: create_and_write_pipe - - - USAGE: - - int some_int; - char * pipename; - - some_int = create_and_write_pipe(pipename); - - returns: int - - DESCRIPTION: - given the pipename, create the pipe, open it, - prompt the user for a string to put into the - pipe, write the string, and close the pipe - - on error, print out an error message and return -1 - - returns -1 on error - else #bytes written into the pipe - REFERENCES: - - LIMITATIONS: - - GLOBAL VARIABLES: - - accessed: none - - modified: none - - FUNCTIONS CALLED: - - REVISION HISTORY: - - STR Description of Revision Author - - 25-Mar-99 initial coding gpk - 12-May-99 remove pipe after closing paulus - - ************************************************************************* */ - -int create_and_write_pipe(char * pipename) -{ - int retval, created, pipefd, nread, nwritten; - char input[MAXINPUT]; - char errstring[180]; - - int create_pipe(char * pipename); - int write_to_pipe(int pipefd, char * input, int nchar); - - created = create_pipe(pipename); - - if (-1 == created) - { - sprintf(errstring, "unable to create pipe '%s'", pipename); - perror(errstring); - retval = -1; - } - else - { - - /* note: this open won't succeed until chat has the pipe */ - /* open and ready to read. this makes for nice timing. */ - - pipefd = open(pipename, O_WRONLY); - - if (-1 == pipefd) - { - sprintf(errstring, "unable to open pipe '%s'", pipename); - perror(errstring); - retval = -1; - } - else - { - fprintf(stderr, "%s \n %s", - "type PIN into SecurID card and", - "enter resulting passcode:"); - nread = read(STDIN_FILENO, (void *)input, MAXINPUT); - - - if (0 >= nread) - { - perror("unable to read from stdin"); - retval = -1; - } - else - { - /* munch off the newline character, chat supplies */ - /* a return when it sends the string out. */ - input[nread -1] = 0; - nread--; - nwritten = write_to_pipe(pipefd, input, nread); - /* printf("wrote [%d]: '%s'\n", nwritten, input); */ - retval = nwritten; - } - close(pipefd); - - /* Now make the pipe go away. It won't actually go away - completely until chat closes it. */ - if (unlink(pipename) < 0) - perror("Warning: couldn't remove pipe"); - } - } - return(retval); -} - - - - - - - -/* ************************************************************************* - - - NAME: create_pipe - - - USAGE: - - int some_int; - char * pipename; - - some_int = create_pipe(pipename); - - returns: int - - DESCRIPTION: - create a pipe of the given name - - if there is an error (like the pipe already exists) - print an error message and return - - return -1 on failure else success - - REFERENCES: - - LIMITATIONS: - - GLOBAL VARIABLES: - - accessed: none - - modified: none - - FUNCTIONS CALLED: - - REVISION HISTORY: - - STR Description of Revision Author - - 25-Mar-99 initial coding gpk - - ************************************************************************* */ - -int create_pipe(char * pipename) -{ - mode_t old_umask; - int created; - - /* hijack the umask temporarily to get the mode I want */ - /* on the pipe. */ - - old_umask = umask(000); - - created = mknod(pipename, S_IFIFO | S_IRWXU | S_IWGRP | S_IWOTH, - (dev_t)NULL); - - /* now restore umask. */ - - (void)umask(old_umask); - - if (-1 == created) - { - perror("unable to create pipe"); - } - - return(created); -} - - - - - - -/* ************************************************************************* - - - NAME: write_to_pipe - - - USAGE: - - int some_int; - int pipefd; - char * input; - int nchar; - - some_int = write_to_pipe(pipefd, input, nchar); - - returns: int - - DESCRIPTION: - write nchars of data from input to pipefd - - on error print a message to stderr - - return -1 on error, else # bytes written - REFERENCES: - - LIMITATIONS: - - GLOBAL VARIABLES: - - accessed: none - - modified: none - - FUNCTIONS CALLED: - - REVISION HISTORY: - - STR Description of Revision Author - - 25-Mar-99 initial coding gpk - 12-May-99 don't write count word first paulus - - ************************************************************************* */ - -int write_to_pipe(int pipefd, char * input, int nchar) -{ - int nwritten; - - /* nwritten = write(pipefd, (void *)&nchar, sizeof(nchar)); */ - nwritten = write(pipefd, (void *)input, nchar); - - if (-1 == nwritten) - { - perror("unable to write to pipe"); - } - - return(nwritten); -} |