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Annotation of researchv10no/cmd/dist/v10/connect.c, revision 1.1.1.1

1.1       root        1: /* usage: connect hostname (answer|send|notice) (in|out) program [ args ... ] */
                      2: 
                      3: #include <ipc.h>
                      4: #include <string.h>
                      5: #include "../paths.h"
                      6: 
                      7: int
                      8: main(int argc, char *argv[])
                      9: {
                     10:        int fd;
                     11:        char ignore;
                     12: 
                     13:        if (argc < 5)
                     14:                return 1;
                     15: 
                     16:        chdir(SDIR);
                     17: 
                     18:        fd = ipcopen(ipcpath(argv[1], "dk", "dist"), "heavy bsdauth");
                     19: 
                     20:        /* when connecting to a TCP host, soak up the initial NUL byte that
                     21:           the bsdauth option ought to have eaten for us.  (lynch presotto)  */
                     22:        if (strncmp(ipcpath(argv[1], "dk", "dist"), "/cs/tcp!", 8) == 0)
                     23:                read(fd, &ignore, 1);
                     24: 
                     25:        if (fd < 0) {
                     26:                perror(argv[1]);
                     27:                return 1;
                     28:        }
                     29: 
                     30:        write(fd, argv[2], strlen(argv[2]) + 1);
                     31: 
                     32:        if (strchr(argv[3], 'i'))
                     33:                dup2(fd, 0);
                     34:        if (strchr(argv[3], 'o'))
                     35:                dup2(fd, 1);
                     36:        close(fd);
                     37:        execv(argv[4], &argv[4]);
                     38: }

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