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Mac installer: Fixes for short (posix) user names containing spaces 

svn path=/trunk/boinc/; revision=26018
This commit is contained in:
Charlie Fenton 2012-08-15 09:09:41 +00:00
parent 7b46fdaa40
commit 5cc5c8b5b8
1 changed files with 46 additions and 4 deletions
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50
mac_installer/PostInstall.cpp
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@ -101,6 +101,8 @@ Boolean CheckDeleteFile(char *name);
void SetEUIDBackToUser (void);
static char * PersistentFGets(char *buf, size_t buflen, FILE *f);
Boolean IsUserMemberOfGroup(const char *userName, const char *groupName);
static void c2x(char *what);
static void escape_url(char *in, char*out);
int CountGroupMembershipEntries(const char *userName, const char *groupName);
OSErr UpdateAllVisibleUsers(long brandID);
long GetBrandID(void);
@ -1138,6 +1140,45 @@ Boolean IsUserMemberOfGroup(const char *userName, const char *groupName) {
}
static void c2x(char *what) {
char buf[3];
char num = atoi(what);
char d1 = num / 16;
char d2 = num % 16;
int abase1, abase2;
if (d1 < 10) abase1 = 48;
else abase1 = 55;
if (d2 < 10) abase2 = 48;
else abase2 = 55;
buf[0] = d1+abase1;
buf[1] = d2+abase2;
buf[2] = 0;
strcpy(what, buf);
}
static void escape_url(char *in, char*out) {
int x, y;
for (x=0, y=0; in[x]; ++x) {
if (isalnum(in[x])) {
out[y] = in[x];
++y;
} else {
out[y] = '%';
++y;
out[y] = 0;
char buf[256];
sprintf(buf, "%d", (char)in[x]);
c2x(buf);
strcat(out, buf);
y += 2;
}
}
out[y] = 0;
}
// OS 10.7 dscl merge command has a bug such that the command:
// dscl . -merge /Groups/GROUPNAME users USERNAME
// adds the user to the group even if it was already a member, resulting in
@ -1149,12 +1190,13 @@ Boolean IsUserMemberOfGroup(const char *userName, const char *groupName) {
int CountGroupMembershipEntries(const char *userName, const char *groupName) {
int count = 0;
char cmd[512], buf[2048];
char cmd[512], buf[2048], escapedUserName[1024];
FILE *f;
char *p, *q;
// getgrnam(groupName)->gr_mem[] only returns one entry, so we must use dscl
sprintf(cmd, "dscl . -read /Groups/%s GroupMembership", groupName);
escape_url((char *)userName, escapedUserName); // Avoid confusion if name has embedded spaces
sprintf(cmd, "dscl -url . -read /Groups/%s GroupMembership", groupName);
f = popen(cmd, "r");
if (f == NULL)
return 0;
@ -1163,10 +1205,10 @@ int CountGroupMembershipEntries(const char *userName, const char *groupName) {
{
p = buf;
while (p) {
p = strstr(p, userName);
p = strstr(p, escapedUserName);
if (p) {
q = p-1;
p += strlen(userName);
p += strlen(escapedUserName);
// Count only whole words (preceded and followed by white space) so
// that if we have both 'jon' and 'jones' we don't count 'jon' twice
if (isspace(*q) && isspace(*p)) {