Mercurial > dovecot > core-2.2

annotate src/lib/home-expand.c @ 22955:812e5c961328

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fts: Indexing virtual mailbox didn't always index the last mails
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 03 May 2018 18:33:00 +0300
parents cb108f786fb4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cb108f786fb4 Updated copyright notices to include the year 2018.
Stephan Bosch <stephan.bosch@dovecot.fi>
parents: 21390
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1 /* Copyright (c) 2003-2018 Dovecot authors, see the included COPYING file */
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3 #include "lib.h"
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4 #include "ipwd.h"
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5 #include "home-expand.h"
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7
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8 int home_try_expand(const char **_path)
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9 {
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10 const char *path = *_path;
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11 const char *name, *home, *p;
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12 struct passwd pw;
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13
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14 if (path == NULL || *path != '~')
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15 return 0;
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16
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17 path++;
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18 if (*path == '/' || *path == '\0') {
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19 home = getenv("HOME");
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20 if (*path != '\0') path++;
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21 } else {
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22 p = strchr(path, '/');
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23 if (p == NULL) {
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24 name = path;
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25 path = "";
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26 } else {
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27 name = t_strdup_until(path, p);
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28 path = p+1;
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29 }
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30 switch (i_getpwnam(name, &pw)) {
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31 case -1:
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32 i_error("getpwnam(%s) failed: %m", name);
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33 home = NULL;
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34 break;
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35 case 0:
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36 home = NULL;
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37 break;
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38 default:
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39 home = pw.pw_dir;
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40 break;
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41 }
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42 }
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43
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44 if (home == NULL)
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45 return -1;
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46
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47 if (*path == '\0')
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48 *_path = t_strdup(home);
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49 else
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50 *_path = t_strconcat(home, "/", path, NULL);
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51 return 0;
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52 }
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53
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54 const char *home_expand(const char *path)
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55 {
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56 (void)home_try_expand(&path);
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57 return path;
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58 }
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59
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60 const char *home_expand_tilde(const char *path, const char *home)
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61 {
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62 if (path == NULL || *path != '~')
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63 return path;
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64
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65 if (path[1] == '\0')
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66 return home;
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67 if (path[1] != '/')
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68 return path;
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70 /* ~/ used */
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71 return t_strconcat(home, path + 1, NULL);
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72 }