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fix racecondition in eve, based on a patch from Vasiliy Kulikov, based on a patch from Brandon

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This commit is contained in:
Nikolas Garofil 2011-02-11 18:30:04 +01:00 committed by Pavel Labath
parent 68240f4a9e
commit 4a6c9519a1
1 changed files with 14 additions and 19 deletions
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33
src/eve.c
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@ -251,19 +251,6 @@ static char *formatTime(struct tm *ends)
}
}
static int file_exists(const char *filename)
{
struct stat fi;
if ((stat(filename, &fi)) == 0) {
if (fi.st_size > 0)
return 1;
else
return 0;
} else
return 0;
}
static void writeSkilltree(char *content, const char *filename)
{
FILE *fp = fopen(filename, "w");
@ -279,13 +266,12 @@ static char *getSkillname(const char *file, int skillid)
xmlDocPtr doc = 0;
xmlNodePtr root = 0;
if (!file_exists(file)) {
skilltree = getXmlFromAPI(NULL, NULL, NULL, EVEURL_SKILLTREE);
writeSkilltree(skilltree, file);
free(skilltree);
}
skilltree = getXmlFromAPI(NULL, NULL, NULL, EVEURL_SKILLTREE);
writeSkilltree(skilltree, file);
free(skilltree);
doc = xmlReadFile(file, NULL, 0);
unlink(file);
if (!doc)
return NULL;
@ -336,7 +322,7 @@ static char *getSkillname(const char *file, int skillid)
static char *eve(char *userid, char *apikey, char *charid)
{
Character *chr = NULL;
const char *skillfile = "/tmp/.cesf";
char skillfile[] = "/tmp/.cesfXXXXXX";
int i = 0;
char *output = 0;
char *timel = 0;
@ -344,6 +330,7 @@ static char *eve(char *userid, char *apikey, char *charid)
char *content = 0;
time_t now = 0;
char *error = 0;
int tmp_fd, old_umask;
for (i = 0; i < MAXCHARS; i++) {
@ -396,6 +383,14 @@ static char *eve(char *userid, char *apikey, char *charid)
output = (char *)malloc(200 * sizeof(char));
timel = formatTime(&chr->ends);
old_umask = umask(0066);
tmp_fd = mkstemp(skillfile);
umask(old_umask);
if (tmp_fd == -1) {
error = strdup("Cannot create temporary file");
return error;
}
close(tmp_fd);
skill = getSkillname(skillfile, chr->skill);
chr->skillname = strdup(skill);