| 1 | |
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| 2 | /* |
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| 3 | * context_read.c -- find and read profile and context files |
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| 4 | * |
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| 5 | * $Id: context_read.c,v 1.1.1.1 1999-02-07 18:14:07 danw Exp $ |
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| 6 | */ |
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| 7 | |
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| 8 | #include <h/mh.h> |
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| 9 | #include <errno.h> |
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| 10 | #include <pwd.h> |
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| 11 | |
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| 12 | extern int errno; |
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| 13 | |
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| 14 | void |
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| 15 | context_read (void) |
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| 16 | { |
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| 17 | pid_t pid; |
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| 18 | register char *cp, *pp; |
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| 19 | char buf[BUFSIZ]; |
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| 20 | struct stat st; |
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| 21 | register struct passwd *pw; |
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| 22 | register FILE *ib; |
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| 23 | |
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| 24 | if (defpath) |
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| 25 | return; |
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| 26 | |
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| 27 | /* |
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| 28 | * Find user's home directory |
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| 29 | */ |
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| 30 | if (!mypath) { |
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| 31 | if ((mypath = getenv ("HOME"))) |
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| 32 | mypath = getcpy (mypath); |
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| 33 | else |
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| 34 | if ((pw = getpwuid (getuid ())) == NULL |
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| 35 | || pw->pw_dir == NULL |
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| 36 | || *pw->pw_dir == 0) |
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| 37 | adios (NULL, "no HOME envariable"); |
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| 38 | else |
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| 39 | mypath = getcpy (pw->pw_dir); |
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| 40 | if ((cp = mypath + strlen (mypath) - 1) > mypath && *cp == '/') |
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| 41 | *cp = 0; |
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| 42 | } |
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| 43 | |
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| 44 | /* |
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| 45 | * open and read user's profile |
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| 46 | */ |
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| 47 | if ((cp = getenv ("MH")) && *cp != '\0') { |
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| 48 | defpath = path (cp, TFILE); |
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| 49 | if ((ib = fopen (defpath, "r")) == NULL) |
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| 50 | adios (defpath, "unable to read"); |
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| 51 | if (*cp != '/') |
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| 52 | m_putenv ("MH", defpath); |
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| 53 | } else { |
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| 54 | defpath = concat (mypath, "/", mh_profile, NULL); |
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| 55 | |
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| 56 | if ((ib = fopen (defpath, "r")) == NULL) { |
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| 57 | switch (pid = vfork ()) { |
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| 58 | case -1: |
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| 59 | adios ("fork", "unable to"); |
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| 60 | |
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| 61 | case 0: |
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| 62 | setgid (getgid ()); |
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| 63 | setuid (getuid ()); |
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| 64 | |
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| 65 | execlp (installproc, "install-mh", "-auto", NULL); |
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| 66 | fprintf (stderr, "unable to exec "); |
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| 67 | perror (installproc); |
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| 68 | _exit (-1); |
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| 69 | |
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| 70 | default: |
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| 71 | if (pidwait (pid, 0) |
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| 72 | || (ib = fopen (defpath, "r")) == NULL) |
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| 73 | adios (NULL, "[install-mh aborted]"); |
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| 74 | } |
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| 75 | } |
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| 76 | } |
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| 77 | readconfig (&m_defs, ib, mh_profile, 0); |
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| 78 | fclose (ib); |
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| 79 | |
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| 80 | /* |
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| 81 | * Find user's nmh directory |
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| 82 | */ |
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| 83 | if ((pp = context_find ("path")) && *pp != '\0') { |
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| 84 | if (*pp != '/') |
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| 85 | snprintf (buf, sizeof(buf), "%s/%s", mypath, pp); |
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| 86 | else |
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| 87 | strncpy (buf, pp, sizeof(buf)); |
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| 88 | if (stat(buf, &st) == -1) { |
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| 89 | if (errno != ENOENT) |
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| 90 | adios (buf, "error opening"); |
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| 91 | cp = concat ("Your MH-directory \"", buf, |
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| 92 | "\" doesn't exist; Create it? ", NULL); |
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| 93 | if (!getanswer(cp)) |
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| 94 | adios (NULL, "unable to access MH-directory \"%s\"", buf); |
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| 95 | free (cp); |
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| 96 | if (!makedir (buf)) |
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| 97 | adios (NULL, "unable to create", buf); |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | /* |
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| 102 | * open and read user's context file |
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| 103 | */ |
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| 104 | if (!(cp = getenv ("MHCONTEXT")) || *cp == '\0') |
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| 105 | cp = context; |
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| 106 | ctxpath = getcpy (m_maildir (cp)); |
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| 107 | if ((ib = fopen (ctxpath, "r"))) { |
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| 108 | readconfig ((struct node **) 0, ib, cp, 1); |
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| 109 | fclose (ib); |
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| 110 | } |
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| 111 | } |
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