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changed the glob_url() call, after Janne Johansson's buffer overflow report

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This commit is contained in:
Daniel Stenberg 2000-05-09 12:29:28 +00:00
parent fac113a275
commit b64dd9c13f
3 changed files with 18 additions and 9 deletions
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8
src/main.c
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@ -965,8 +965,12 @@ int main(int argc, char *argv[])
#endif #endif
#ifdef GLOBURL #ifdef GLOBURL
urlnum = glob_url(&urls, url); /* expand '{...}' and '[...]' expressions and return /* expand '{...}' and '[...]' expressions and return total number of URLs
total number of URLs in pattern set */ in pattern set */
res = glob_url(&urls, url, &urlnum);
if(res != URG_OK)
return res;
outfiles = config.outfile; /* save outfile pattern befor expansion */ outfiles = config.outfile; /* save outfile pattern befor expansion */
if (!outfiles && !config.remotefile && urlnum > 1) { if (!outfiles && !config.remotefile && urlnum > 1) {
#ifdef CURL_SEPARATORS #ifdef CURL_SEPARATORS

15
src/urlglob.c
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@ -204,17 +204,22 @@ int glob_word(char *pattern, int pos) {
exit (URG_FAILED_INIT); exit (URG_FAILED_INIT);
} }
int glob_url(URLGlob** glob, char* url) { int glob_url(URLGlob** glob, char* url, int *urlnum)
int urlnum; /* counts instances of a globbed pattern */ {
if (strlen(url)>URL_MAX_LENGTH) {
printf("Illegally sized URL\n");
return URG_URL_MALFORMAT;
}
glob_expand = (URLGlob*)malloc(sizeof(URLGlob)); glob_expand = (URLGlob*)malloc(sizeof(URLGlob));
glob_expand->size = 0; glob_expand->size = 0;
urlnum = glob_word(url, 1); *urlnum = glob_word(url, 1);
*glob = glob_expand; *glob = glob_expand;
return urlnum; return URG_OK;
} }
char *next_url(URLGlob *glob) { char *next_url(URLGlob *glob)
{
static int beenhere = 0; static int beenhere = 0;
char *buf = glob_buffer; char *buf = glob_buffer;
URLPattern *pat; URLPattern *pat;

2
src/urlglob.h
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@ -67,7 +67,7 @@ typedef struct {
int size; int size;
} URLGlob; } URLGlob;
int glob_url(URLGlob**, char*); int glob_url(URLGlob**, char*, int *);
char* next_url(URLGlob*); char* next_url(URLGlob*);
char* match_url(char*, URLGlob); char* match_url(char*, URLGlob);