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tool_formparse: remove use of sscanf()

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In the function for handling 'type=' in the -F command line arguments,
we make the code more lax to accept more strings and thereby also avoid
the use of sscanf().

Closes #15683
This commit is contained in:
Daniel Stenberg 2024-12-04 13:59:52 +01:00
parent 03669b630e
commit 9664d5a547
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 4 additions and 14 deletions
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18
src/tool_formparse.c
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@ -469,8 +469,6 @@ static int get_param_part(struct OperationConfig *config, char endchar,
char *endpos; char *endpos;
char *tp; char *tp;
char sep; char sep;
char type_major[128] = "";
char type_minor[128] = "";
char *endct = NULL; char *endct = NULL;
struct curl_slist *headers = NULL; struct curl_slist *headers = NULL;
@ -502,18 +500,10 @@ static int get_param_part(struct OperationConfig *config, char endchar,
/* set type pointer */ /* set type pointer */
type = p; type = p;
/* verify that this is a fine type specifier */ /* find end of content-type */
if(2 != sscanf(type, "%127[^/ ]/%127[^;, \n]", type_major, type_minor)) { while(*p && (ISALPHA(*p) || (*p == '/') || (*p == '-')))
warnf(config->global, "Illegally formatted content-type field"); p++;
curl_slist_free_all(headers); endct = p;
return -1; /* illegal content-type syntax! */
}
/* now point beyond the content-type specifier */
p = type + strlen(type_major) + strlen(type_minor) + 1;
for(endct = p; *p && *p != ';' && *p != endchar; p++)
if(!ISSPACE(*p))
endct = p + 1;
sep = *p; sep = *p;
} }
else if(checkprefix("filename=", p)) { else if(checkprefix("filename=", p)) {