Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib/mkdir-parents.c @ 8590:b9faf4db2a9f HEAD

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Updated copyright notices to include year 2009.
author Timo Sirainen <tss@iki.fi>
date Tue, 06 Jan 2009 09:25:38 -0500
parents ed12eee73357
children 3870069faea3
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8590
b9faf4db2a9f Updated copyright notices to include year 2009.
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1 /* Copyright (c) 2003-2009 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "mkdir-parents.h"
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5
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6 #include <sys/stat.h>
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7 #include <unistd.h>
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8
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9 static int mkdir_chown(const char *path, mode_t mode, uid_t uid, gid_t gid)
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10 {
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11 mode_t old_mask;
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12 int ret;
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13
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14 old_mask = umask(0);
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15 ret = mkdir(path, mode);
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16 umask(old_mask);
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17
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18 if (ret < 0) {
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19 if (errno == EISDIR || errno == ENOSYS) {
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20 /* EISDIR check is for BSD/OS which returns it if path
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21 contains '/' at the end and it exists.
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22
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23 ENOSYS check is for NFS mount points. */
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24 errno = EEXIST;
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25 }
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26 return -1;
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27 }
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28 if (chown(path, uid, gid) < 0) {
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29 i_error("chown(%s, %ld, %ld) failed: %m", path,
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30 uid == (uid_t)-1 ? -1L : (long)uid,
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31 gid == (gid_t)-1 ? -1L : (long)gid);
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32 return -1;
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33 }
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34 return 0;
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35 }
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36
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37 int mkdir_parents_chown(const char *path, mode_t mode, uid_t uid, gid_t gid)
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38 {
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39 const char *p;
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40 int ret;
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41
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42 if (mkdir_chown(path, mode, uid, gid) < 0) {
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43 if (errno != ENOENT)
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44 return -1;
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45
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46 /* doesn't exist, try recursively creating our parent dir */
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47 p = strrchr(path, '/');
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48 if (p == NULL || p == path)
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49 return -1; /* shouldn't happen */
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50
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51 T_BEGIN {
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52 ret = mkdir_parents_chown(t_strdup_until(path, p),
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53 mode, uid, gid);
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54 } T_END;
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55 if (ret < 0)
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56 return -1;
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57
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58 /* should work now */
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59 if (mkdir_chown(path, mode, uid, gid) < 0)
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60 return -1;
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61 }
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62 return 0;
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63 }
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64
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65 int mkdir_parents(const char *path, mode_t mode)
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66 {
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67 return mkdir_parents_chown(path, mode, (uid_t)-1, (gid_t)-1);
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68 }