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Fix incorrect error message reported for non-existent users

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Previously, lookups of non-existent user names could return "Success";
it will now return "User does not exist" by resetting errno.  This also
centralizes the user name lookup code in libpgport.

Report and analysis by Nicolas Marchildon;  patch by me
This commit is contained in:
Bruce Momjian
2013-12-18 12:16:16 -05:00
parent 11ac4c73cb
commit 613c6d26bd
19 changed files with 129 additions and 157 deletions
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5
src/bin/psql/command.c
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@ -265,10 +265,13 @@ exec_command(const char *cmd,
#ifndef WIN32
struct passwd *pw;
errno = 0; /* clear errno before call */
pw = getpwuid(geteuid());
if (!pw)
{
psql_error("could not get home directory: %s\n", strerror(errno));
psql_error("could not get home directory for user id %d: %s\n",
(int) geteuid(), errno ?
strerror(errno) : "user does not exist");
exit(EXIT_FAILURE);
}
dir = pw->pw_dir;